/* ─── Reset & Variables ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary: #0D1B2A;
  --accent: #00C896;
  --accent-dark: #00A67A;
  --text: #1a202c;
  --text-muted: #6b7280;
  --bg: #ffffff;
  --bg-gray: #f8fafc;
  --border: #e2e8f0;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.1);
  --radius: 10px;
  --radius-sm: 6px;
  --max-w: 1200px;
  --font: 'Inter', system-ui, sans-serif;
  --font-heading: 'Sora', 'Inter', system-ui, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  font-size: 16px;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ─── Utilities ──────────────────────────────────────────────────── */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
.section { padding: 72px 0; }
.section--gray { background: var(--bg-gray); }
.accent { color: var(--accent); }

/* ─── Buttons ────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 24px; border-radius: var(--radius-sm);
  font-size: 15px; font-weight: 600; font-family: var(--font);
  cursor: pointer; border: 2px solid transparent;
  transition: all 0.2s ease; text-decoration: none;
}
.btn-primary {
  background: var(--accent); color: var(--primary); border-color: var(--accent);
}
.btn-primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); }
.btn-outline {
  background: transparent; color: var(--primary); border-color: var(--primary);
}
.btn-outline:hover { background: var(--primary); color: #fff; }
.hero .btn-outline {
  color: #fff; border-color: rgba(255,255,255,0.5);
}
.hero .btn-outline:hover { background: rgba(255,255,255,0.15); border-color: #fff; }
.btn-ghost { background: transparent; color: var(--text-muted); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn--full { width: 100%; justify-content: center; }

/* ─── Header / Nav ───────────────────────────────────────────────── */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.nav-logo {
  display: flex; align-items: center; gap: 8px;
  font-size: 18px; font-family: var(--font-heading);
  color: var(--primary); text-decoration: none;
}
.logo-icon { font-size: 22px; }
.logo-text { color: var(--primary); }
.logo-text strong { color: var(--accent); }
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a { font-size: 15px; font-weight: 500; color: var(--text-muted); transition: color 0.15s; }
.nav-links a:hover, .nav-links a.active { color: var(--primary); }
.nav-links a.active { position: relative; }
.nav-links a.active::after {
  content: ''; position: absolute; bottom: -4px; left: 0; right: 0;
  height: 2px; background: var(--accent); border-radius: 2px;
}
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.nav-toggle span { width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: all 0.2s; }
.nav-utils { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.nav-saved-label { font-size: 14px; font-weight: 500; }

/* ─── Hero ───────────────────────────────────────────────────────── */
.hero {
  position: relative; overflow: hidden;
  padding: 100px 0 80px;
  background: var(--primary);
  color: #fff;
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background: radial-gradient(ellipse at 70% 50%, rgba(0,200,150,0.15) 0%, transparent 60%),
              radial-gradient(ellipse at 20% 80%, rgba(0,100,200,0.1) 0%, transparent 50%);
}
.hero-inner { position: relative; z-index: 1; max-width: 720px; }
.hero-badge {
  display: inline-block; padding: 4px 14px;
  background: rgba(0,200,150,0.15); color: var(--accent);
  border: 1px solid rgba(0,200,150,0.3); border-radius: 100px;
  font-size: 13px; font-weight: 600; letter-spacing: 0.05em;
  margin-bottom: 24px;
}
.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 800; line-height: 1.1;
  margin-bottom: 20px; color: #fff;
}
.hero-sub { font-size: 1.15rem; color: rgba(255,255,255,0.7); margin-bottom: 36px; max-width: 560px; }
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }

/* ─── Section header ─────────────────────────────────────────────── */
.section-header {
  display: flex; align-items: baseline; justify-content: space-between;
  margin-bottom: 40px;
}
.section-header h2 { font-family: var(--font-heading); font-size: 1.75rem; font-weight: 700; color: var(--primary); }
.link-more { font-size: 14px; font-weight: 600; color: var(--accent); }
.link-more:hover { text-decoration: underline; }

/* ─── Post Cards ─────────────────────────────────────────────────── */
.posts-featured {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.posts-featured .post-card--hero {
  grid-column: span 3;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}
.posts-featured .post-card--hero .post-card-img-link { height: 360px; }

.posts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.posts-grid--3 { grid-template-columns: repeat(3, 1fr); }

.post-card {
  background: #fff; border-radius: var(--radius);
  border: 1px solid var(--border); overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
  display: flex; flex-direction: column;
}
.post-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }

.post-card-img-link {
  display: block; height: 200px; overflow: hidden;
}
.post-card-img-link img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.4s ease;
}
.post-card:hover .post-card-img-link img { transform: scale(1.04); }
.post-card-placeholder {
  width: 100%; height: 100%; background: linear-gradient(135deg, var(--primary) 0%, #1a4a6e 100%);
  display: flex; align-items: center; justify-content: center;
  font-size: 3rem;
}

.post-card-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.post-category {
  display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: 0.05em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 8px;
}
.post-category a { color: var(--accent); }
.post-category a:hover { text-decoration: underline; }
.post-card-title { font-size: 1.05rem; font-weight: 700; line-height: 1.35; margin-bottom: 10px; color: var(--primary); }
.post-card-title a:hover { color: var(--accent); }
.post-card-excerpt {
  font-size: 14px; color: var(--text-muted); line-height: 1.6;
  margin-bottom: 16px; flex: 1;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.post-card-meta { display: flex; justify-content: space-between; align-items: center; margin-top: auto; }
.post-date { font-size: 12px; color: var(--text-muted); }
.read-more { font-size: 13px; font-weight: 600; color: var(--accent); }
.read-more:hover { text-decoration: underline; }

/* ─── Categories Grid ────────────────────────────────────────────── */
.categories-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 16px;
}
.category-card {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  padding: 28px 20px; background: #fff;
  border: 1px solid var(--border); border-radius: var(--radius);
  text-align: center; transition: all 0.2s;
}
.category-card:hover { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(0,200,150,0.1); }
.category-card--calc { background: linear-gradient(135deg, rgba(0,200,150,0.05), rgba(0,150,255,0.05)); }
.category-card-icon { font-size: 2rem; }
.category-card-name { font-size: 15px; font-weight: 700; color: var(--primary); }
.category-card-count { font-size: 12px; color: var(--text-muted); }

/* ─── CTA Section ────────────────────────────────────────────────── */
.cta-section {
  background: var(--primary); color: #fff; padding: 72px 0;
}
.cta-inner {
  display: grid; grid-template-columns: 1fr auto; gap: 48px; align-items: center;
}
.cta-text h2 { font-family: var(--font-heading); font-size: 2rem; font-weight: 800; margin-bottom: 12px; color: #fff; }
.cta-text p { color: rgba(255,255,255,0.7); margin-bottom: 24px; max-width: 480px; }
.cta-tools { display: flex; flex-direction: column; gap: 12px; }
.cta-tool {
  padding: 12px 20px; background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15); border-radius: var(--radius-sm);
  font-size: 14px; font-weight: 600; color: rgba(255,255,255,0.9); white-space: nowrap;
}

/* ─── Page Hero ──────────────────────────────────────────────────── */
.page-hero {
  background: var(--primary); color: #fff;
  padding: 56px 0 48px;
}
.page-hero h1 { font-family: var(--font-heading); font-size: 2.2rem; font-weight: 800; margin-bottom: 8px; }
.page-hero p { color: rgba(255,255,255,0.7); font-size: 1.05rem; }

/* ─── Blog Layout ────────────────────────────────────────────────── */
.blog-layout { display: grid; grid-template-columns: 1fr 280px; gap: 48px; align-items: start; }
.blog-main {}
.blog-sidebar { position: sticky; top: 80px; }

.search-form { display: flex; gap: 10px; margin-bottom: 36px; }
.search-input { flex: 1; padding: 10px 16px; border: 1px solid var(--border); border-radius: var(--radius-sm); font-size: 15px; font-family: var(--font); }
.search-input:focus { outline: none; border-color: var(--accent); }

.pagination {
  display: flex; align-items: center; justify-content: center; gap: 16px; margin-top: 48px;
}
.page-btn {
  padding: 8px 20px; border: 1px solid var(--border); border-radius: var(--radius-sm);
  font-size: 14px; font-weight: 600; color: var(--primary);
}
.page-btn:hover { border-color: var(--accent); color: var(--accent); }
.page-info { font-size: 14px; color: var(--text-muted); }

/* ─── Sidebar ────────────────────────────────────────────────────── */
.sidebar-widget {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px; margin-bottom: 20px;
}
.sidebar-widget h4 { font-size: 14px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-muted); margin-bottom: 14px; }
.sidebar-cats { display: flex; flex-direction: column; gap: 4px; }
.sidebar-cats li a {
  display: flex; justify-content: space-between; align-items: center;
  padding: 6px 10px; border-radius: var(--radius-sm);
  font-size: 14px; color: var(--text);
  transition: background 0.15s;
}
.sidebar-cats li.active a, .sidebar-cats li a:hover { background: var(--bg-gray); color: var(--accent); }
.sidebar-cats li a span { font-size: 12px; color: var(--text-muted); }
.sidebar-widget--cta { background: var(--primary); border-color: var(--primary); }
.sidebar-widget--cta h4, .sidebar-widget--cta p { color: rgba(255,255,255,0.7); }
.sidebar-widget--cta h4 { color: #fff; }
.sidebar-widget--cta p { font-size: 13px; margin-bottom: 12px; }

/* ─── Single Post ────────────────────────────────────────────────── */
.post-header { background: var(--primary); color: #fff; padding: 48px 0 40px; }
.post-header-inner { max-width: 820px; }
.breadcrumb { font-size: 13px; color: rgba(255,255,255,0.5); margin-bottom: 16px; }
.breadcrumb a { color: rgba(255,255,255,0.6); }
.breadcrumb a:hover { color: #fff; }
.post-title { font-family: var(--font-heading); font-size: clamp(1.6rem, 3.5vw, 2.5rem); font-weight: 800; color: #fff; margin-bottom: 20px; line-height: 1.2; }
.post-meta-bar { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.post-author { font-size: 14px; color: rgba(255,255,255,0.6); }
.post-date { font-size: 14px; color: rgba(255,255,255,0.5); }

.post-hero-img { margin: 32px auto; border-radius: var(--radius); overflow: hidden; max-height: 480px; }
.post-hero-img img { width: 100%; height: 480px; object-fit: cover; }

.post-layout { display: grid; grid-template-columns: 1fr 280px; gap: 48px; align-items: start; padding-top: 32px; padding-bottom: 48px; }
.post-content { min-width: 0; }
.post-sidebar { position: sticky; top: 80px; }

.post-disclaimer {
  background: #fff8e1; border: 1px solid #f0c040; border-radius: var(--radius-sm);
  padding: 14px 18px; font-size: 14px; color: #7a5c00; margin-bottom: 32px;
}

/* Post content typography */
.post-content h2 { font-family: var(--font-heading); font-size: 1.5rem; font-weight: 700; margin: 40px 0 16px; color: var(--primary); }
.post-content h3 { font-size: 1.2rem; font-weight: 700; margin: 32px 0 12px; color: var(--primary); }
.post-content p { margin-bottom: 20px; line-height: 1.8; }
.post-content ul, .post-content ol { margin: 0 0 20px 24px; }
.post-content li { margin-bottom: 8px; line-height: 1.7; }
.post-content table, .post-content .ql-raw table { width: 100%; border-collapse: collapse; margin: 1.2em 0 1.5em; font-size: 0.93em; }
.post-content .ql-raw { display:block; overflow-x:auto; margin:1.2em 0; }
.post-content th { background: var(--bg-gray); padding: 10px 14px; text-align: left; font-weight: 600; border: 1px solid var(--border); }
.post-content td { padding: 10px 14px; border: 1px solid var(--border); vertical-align: top; }
.post-content tr:nth-child(even) td { background: #fafafa; }
.post-content blockquote { border-left: 4px solid var(--accent); padding-left: 20px; color: var(--text-muted); font-style: italic; margin: 24px 0; }
.post-content strong { color: var(--primary); }
.post-content a { color: var(--accent); text-decoration: underline; }

.tags-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tag { padding: 4px 12px; background: var(--bg-gray); border: 1px solid var(--border); border-radius: 100px; font-size: 12px; font-weight: 600; color: var(--text-muted); }

.share-btns { display: flex; flex-direction: column; gap: 8px; }
.share-btn { padding: 10px 16px; border-radius: var(--radius-sm); font-size: 13px; font-weight: 600; text-align: center; }
.share-btn--twitter { background: #000; color: #fff; }
.share-btn--facebook { background: #1877f2; color: #fff; }
.share-btn:hover { opacity: 0.85; }

.related-posts h2 { font-family: var(--font-heading); font-size: 1.5rem; font-weight: 700; margin-bottom: 28px; color: var(--primary); }

/* ─── Calculators ────────────────────────────────────────────────── */
.calc-tabs { display: flex; gap: 4px; border-bottom: 2px solid var(--border); margin-bottom: 32px; }
.calc-tab {
  padding: 10px 24px; font-size: 15px; font-weight: 600;
  color: var(--text-muted); background: none; border: none;
  border-bottom: 2px solid transparent; margin-bottom: -2px;
  cursor: pointer; transition: all 0.15s; font-family: var(--font);
}
.calc-tab:hover { color: var(--primary); }
.calc-tab.active { color: var(--accent); border-bottom-color: var(--accent); }

.calc-panel { display: none; }
.calc-panel.active { display: block; }

.calc-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; margin-bottom: 24px;
}
.calc-header { padding: 28px 28px 0; }
.calc-header h2 { font-family: var(--font-heading); font-size: 1.4rem; font-weight: 700; margin-bottom: 8px; color: var(--primary); }
.calc-header p { color: var(--text-muted); font-size: 15px; }
.calc-body { padding: 24px 28px 28px; }

.calc-inputs { display: flex; flex-wrap: wrap; gap: 16px; align-items: flex-end; margin-bottom: 32px; }
.calc-field { display: flex; flex-direction: column; gap: 6px; min-width: 200px; }
.calc-field label { font-size: 14px; font-weight: 600; color: var(--text); }
.calc-field input {
  padding: 10px 14px; border: 1px solid var(--border); border-radius: var(--radius-sm);
  font-size: 16px; font-family: var(--font); color: var(--primary);
}
.calc-field input:focus { outline: none; border-color: var(--accent); }
.calc-hint { font-size: 12px; color: var(--text-muted); }

.calc-results { padding-top: 24px; border-top: 1px solid var(--border); }
.calc-result-row { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 24px; }
.calc-result-highlight {
  flex: 1; min-width: 160px;
  background: var(--bg-gray); border-radius: var(--radius);
  padding: 20px 24px; text-align: center;
  border: 1px solid var(--border);
}
.result-label { display: block; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-muted); margin-bottom: 6px; }
.result-value { display: block; font-size: 2.5rem; font-weight: 800; font-family: var(--font-heading); color: var(--accent); line-height: 1; }
.result-unit { display: block; font-size: 13px; color: var(--text-muted); margin-top: 4px; }

.calc-table { width: 100%; border-collapse: collapse; margin-top: 16px; font-size: 14px; }
.calc-table th { background: var(--bg-gray); padding: 10px 14px; text-align: left; font-weight: 600; border-bottom: 2px solid var(--border); }
.calc-table td { padding: 10px 14px; border-bottom: 1px solid var(--border); }
.calc-table tr:last-child td { border-bottom: none; }
.calc-note { font-size: 13px; color: var(--text-muted); margin-top: 12px; }

.calc-explainer { padding: 28px; background: var(--bg-gray); border-radius: var(--radius); }
.calc-explainer h3 { font-weight: 700; margin-bottom: 12px; color: var(--primary); }
.calc-explainer p, .calc-explainer li { font-size: 14px; color: var(--text-muted); line-height: 1.7; margin-bottom: 8px; }
.calc-explainer ol { padding-left: 20px; }

.input-with-toggle { display: flex; gap: 0; }
.input-with-toggle input { border-radius: var(--radius-sm) 0 0 var(--radius-sm); border-right: none; flex: 1; }
.unit-toggle { display: flex; border: 1px solid var(--border); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; overflow: hidden; }
.unit-btn { padding: 10px 12px; background: var(--bg-gray); border: none; font-size: 13px; font-weight: 600; cursor: pointer; color: var(--text-muted); font-family: var(--font); }
.unit-btn.active { background: var(--accent); color: var(--primary); }

/* ─── Calculator v3 ─────────────────────────────────────────────── */
/* Tab divider between basic and practitioner tools */
.calc-tab-divider { width: 1px; background: var(--border); margin: 8px 4px; flex-shrink: 0; }

/* Intro block: EEAT text + worked example side by side */
.calc-intro-block { display: grid; grid-template-columns: 1fr 380px; gap: 24px; margin-bottom: 28px; align-items: start; }
.calc-section-title { font-family: var(--font-heading); font-size: 1.6rem; font-weight: 800; color: var(--primary); margin-bottom: 12px; }
.calc-intro-text p { font-size: 15px; color: var(--text-muted); line-height: 1.75; }
.calc-example-box { background: var(--primary); border-radius: var(--radius); padding: 24px; color: #fff; }
.calc-example-title { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.07em; color: var(--accent); margin-bottom: 12px; }
.calc-example-scenario { font-size: 14px; color: rgba(255,255,255,0.8); margin-bottom: 14px; line-height: 1.5; }
.calc-example-steps { padding-left: 20px; margin: 0; }
.calc-example-steps li { font-size: 14px; color: rgba(255,255,255,0.9); line-height: 1.8; }
.calc-example-steps strong { color: var(--accent); }

/* Two-column grid: input card | results */
.calc-grid { display: grid; grid-template-columns: 390px 1fr; gap: 24px; align-items: start; }
.calc-card-header { padding: 24px 28px 0; }
.calc-card-header h3 { font-family: var(--font-heading); font-size: 1.25rem; font-weight: 700; margin-bottom: 6px; color: var(--primary); }
.calc-card-header p { color: var(--text-muted); font-size: 14px; line-height: 1.6; }

/* Vertical input stack inside card */
.calc-inputs--col { display: flex; flex-direction: column; gap: 18px; padding: 20px 28px 28px; }
.calc-inputs--col .calc-field { min-width: unset; }

/* Select and unit label */
.calc-field select, .calc-select {
  padding: 10px 14px; border: 1px solid var(--border); border-radius: var(--radius-sm);
  font-size: 15px; font-family: var(--font); color: var(--primary); background: #fff; cursor: pointer;
}
.calc-field select:focus { outline: none; border-color: var(--accent); }
.calc-unit-label {
  font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--text-muted); background: var(--bg-gray); border: 1px solid var(--border);
  border-radius: 4px; padding: 1px 5px; margin-left: 4px;
}

/* Toggle button group */
.calc-toggle-group { display: flex; border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; }
.calc-toggle {
  flex: 1; padding: 9px 12px; background: var(--bg-gray); border: none;
  font-size: 13px; font-weight: 600; cursor: pointer; color: var(--text-muted);
  font-family: var(--font); transition: background 0.15s, color 0.15s;
  border-right: 1px solid var(--border);
}
.calc-toggle:last-child { border-right: none; }
.calc-toggle.active { background: var(--accent); color: #fff; }
.calc-toggle-group--compact { flex: 0 0 auto; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; border-left: none; }
.calc-input-with-toggle { display: flex; }
.calc-input-with-toggle input { border-radius: var(--radius-sm) 0 0 var(--radius-sm); border-right: none; flex: 1; }

/* Inline error */
.calc-error {
  display: flex; align-items: center; gap: 8px;
  background: #fff3f3; border: 1px solid #fca5a5; border-radius: var(--radius-sm);
  padding: 10px 14px; font-size: 13px; font-weight: 600; color: #b91c1c;
}

/* BAC Water Optimizer */
.calc-optimizer { margin: 0 28px 28px; padding: 18px 20px; background: #f0f9ff; border: 1px solid #bae6fd; border-radius: var(--radius); }
.calc-optimizer-title { font-size: 12px; font-weight: 700; color: #0369a1; margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.05em; }
.calc-optimizer-desc { font-size: 14px; color: var(--text-muted); line-height: 1.6; margin-bottom: 0; }
.calc-optimizer-result { margin-top: 10px; font-size: 13px; background: #fff; border: 1px solid #bae6fd; border-radius: var(--radius-sm); padding: 10px 14px; color: var(--primary); font-weight: 500; }

/* Results column */
.calc-results-col { display: flex; flex-direction: column; gap: 18px; }
.calc-result-primary { background: var(--primary); border-radius: var(--radius); padding: 28px 24px; text-align: center; }
.crp-label { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.07em; color: rgba(255,255,255,0.6); margin-bottom: 6px; }
.crp-value { font-family: var(--font-heading); font-size: 3rem; font-weight: 800; line-height: 1; color: var(--accent); margin-bottom: 4px; }
.crp-unit  { font-size: 14px; color: rgba(255,255,255,0.65); }
.calc-result-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* Warning banners */
.calc-warnings { display: flex; flex-direction: column; gap: 10px; }
.calc-warn { padding: 12px 16px; border-radius: var(--radius-sm); font-size: 13px; line-height: 1.65; }
.calc-warn--danger  { background: #fff3f3; border: 1px solid #fca5a5; color: #b91c1c; }
.calc-warn--caution { background: #fffbeb; border: 1px solid #fcd34d; color: #92400e; }
.calc-warn--info    { background: #f0f9ff; border: 1px solid #bae6fd; color: #0369a1; }
.calc-warn--ok      { background: #f0fdf4; border: 1px solid #86efac; color: #166534; }

/* Table wrapper */
.calc-table-wrap { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.calc-table-wrap--ref { overflow-x: auto; }
.calc-table-title { padding: 12px 16px 10px; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-muted); border-bottom: 1px solid var(--border); background: var(--bg-gray); }
.calc-syringe-note { padding: 8px 16px; font-size: 12px; color: var(--text-muted); background: var(--bg-gray); border-bottom: 1px solid var(--border); }

/* Table row states */
.calc-row--imprecise td { color: var(--text-muted); }
.calc-row--active td   { background: #f0fdf4; }

/* Inline badges */
.calc-badge--warn   { font-size: 11px; font-weight: 700; background: #fef9c3; color: #854d0e; border: 1px solid #fcd34d; border-radius: 4px; padding: 1px 6px; margin-left: 4px; }
.calc-badge--danger { font-size: 11px; font-weight: 700; background: #fee2e2; color: #b91c1c; border: 1px solid #fca5a5; border-radius: 4px; padding: 1px 6px; margin-left: 4px; }
.calc-badge--ok     { font-size: 11px; font-weight: 700; background: #dcfce7; color: #166534; border: 1px solid #86efac; border-radius: 4px; padding: 1px 6px; margin-left: 4px; }

/* Explainer block */
.calc-explainer-block { padding: 20px; background: var(--bg-gray); border: 1px solid var(--border); border-radius: var(--radius); }
.calc-explainer-block h4 { font-size: 14px; font-weight: 700; color: var(--primary); margin-bottom: 10px; }
.calc-safety-note { font-size: 13px; background: #fffbeb; border: 1px solid #fcd34d; border-radius: var(--radius-sm); padding: 10px 14px; color: #92400e; line-height: 1.6; }

/* FAQ block at bottom of each tab */
.calc-faq-block { margin-top: 40px; padding-top: 32px; border-top: 2px solid var(--border); }
.calc-faq-title { font-family: var(--font-heading); font-size: 1.3rem; font-weight: 700; color: var(--primary); margin-bottom: 20px; }

/* Peptide reference tab */
.calc-ref-header { margin-bottom: 24px; }
.calc-ref-header p { color: var(--text-muted); font-size: 15px; margin-bottom: 16px; }
.calc-ref-search input {
  width: 100%; max-width: 540px; padding: 12px 18px;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  font-size: 15px; font-family: var(--font); color: var(--primary);
}
.calc-ref-search input:focus { outline: none; border-color: var(--accent); }
.calc-table--ref th:last-child, .calc-table--ref td:last-child { min-width: 200px; }
.calc-ref-notes { font-size: 13px; color: var(--text-muted); }
.calc-ref-dose  { white-space: nowrap; font-weight: 600; }
.calc-cat-badge {
  display: inline-block; font-size: 11px; font-weight: 700; white-space: nowrap;
  background: var(--bg-gray); border: 1px solid var(--border); color: var(--text-muted);
  border-radius: 99px; padding: 2px 8px;
}
.calc-route-badge {
  display: inline-block; font-size: 11px; font-weight: 700;
  background: #dbeafe; color: #1e40af; border: 1px solid #bfdbfe;
  border-radius: 99px; padding: 2px 8px;
}

/* GLP-1 titration table */
.calc-glp1-selector { margin-bottom: 20px; }
.calc-table--glp1 th, .calc-table--glp1 td { white-space: nowrap; }

/* Protocol Builder */
.protocol-builder { margin-bottom: 32px; }
.protocol-add-row { display: flex; gap: 16px; align-items: flex-end; flex-wrap: wrap; padding: 20px; background: #fff; border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 16px; }
.protocol-add-controls { display: flex; gap: 10px; align-items: flex-end; flex: 1; min-width: 280px; }
.protocol-add-controls select { flex: 1; }
.protocol-empty { text-align: center; padding: 40px 20px; color: var(--text-muted); background: var(--bg-gray); border: 2px dashed var(--border); border-radius: var(--radius); font-size: 15px; }
.protocol-items-wrap { display: flex; flex-direction: column; gap: 10px; margin-bottom: 20px; }
.protocol-item-row {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 14px 16px;
}
.pir-name { min-width: 160px; font-size: 15px; }
.pir-controls { display: flex; gap: 12px; flex: 1; flex-wrap: wrap; }
.pir-controls .calc-field { min-width: 140px; flex: 1; }
.pir-remove { margin-left: auto; background: none; border: 1px solid var(--border); border-radius: var(--radius-sm); width: 32px; height: 32px; cursor: pointer; font-size: 18px; color: var(--text-muted); line-height: 1; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.pir-remove:hover { background: #fee2e2; border-color: #fca5a5; color: #b91c1c; }
.protocol-output-grid { display: flex; flex-direction: column; gap: 20px; }
.calc-table--schedule th, .calc-table--schedule td { text-align: center; min-width: 60px; font-size: 13px; }
.calc-table--schedule th:first-child, .calc-table--schedule td:first-child { text-align: left; min-width: 140px; }
.psd-on { background: #f0fdf4; font-size: 13px; }
.psd-off { color: var(--border); font-size: 13px; }

/* Responsive breakpoints */
@media (max-width: 960px) {
  .calc-intro-block { grid-template-columns: 1fr; }
  .calc-grid { grid-template-columns: 1fr; }
  .calc-result-row-2 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .calc-result-row-2 { grid-template-columns: 1fr; }
  .calc-toggle { font-size: 12px; padding: 8px 8px; }
  .protocol-add-controls { flex-direction: column; }
  .crp-value { font-size: 2.2rem; }
}

/* ─── 404 ────────────────────────────────────────────────────────── */
/* Two-column grid: input card left, results right */
.calc-grid { display: grid; grid-template-columns: 380px 1fr; gap: 24px; align-items: start; }

.calc-card-header { padding: 28px 28px 0; }
.calc-card-header h2 { font-family: var(--font-heading); font-size: 1.35rem; font-weight: 700; margin-bottom: 8px; color: var(--primary); }
.calc-card-header p { color: var(--text-muted); font-size: 14px; line-height: 1.6; }

.calc-inputs--col { display: flex; flex-direction: column; gap: 18px; padding: 20px 28px 28px; }
.calc-inputs--col .calc-field { min-width: unset; }

.calc-field select,
.calc-select {
  padding: 10px 14px; border: 1px solid var(--border); border-radius: var(--radius-sm);
  font-size: 15px; font-family: var(--font); color: var(--primary);
  background: #fff; cursor: pointer;
}
.calc-field select:focus { outline: none; border-color: var(--accent); }
.calc-unit-label { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-muted); background: var(--bg-gray); border: 1px solid var(--border); border-radius: 4px; padding: 1px 5px; margin-left: 4px; }

/* Toggle buttons (U-100 / U-40 / kg / lbs) */
.calc-toggle-group { display: flex; border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; }
.calc-toggle {
  flex: 1; padding: 9px 12px; background: var(--bg-gray); border: none;
  font-size: 13px; font-weight: 600; cursor: pointer; color: var(--text-muted);
  font-family: var(--font); transition: background 0.15s, color 0.15s;
  border-right: 1px solid var(--border);
}
.calc-toggle:last-child { border-right: none; }
.calc-toggle.active { background: var(--accent); color: #fff; }
.calc-toggle-group--compact { flex: 0 0 auto; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; border-left: none; }

.calc-input-with-toggle { display: flex; gap: 0; }
.calc-input-with-toggle input { border-radius: var(--radius-sm) 0 0 var(--radius-sm); border-right: none; flex: 1; }

/* Inline error */
.calc-error {
  display: flex; align-items: center; gap: 8px;
  background: #fff3f3; border: 1px solid #fca5a5; border-radius: var(--radius-sm);
  padding: 10px 14px; font-size: 13px; font-weight: 600; color: #b91c1c;
}

/* BAC Optimizer panel */
.calc-optimizer { margin: 0 28px 28px; padding: 18px 20px; background: #f0f9ff; border: 1px solid #bae6fd; border-radius: var(--radius); }
.calc-optimizer-title { font-size: 13px; font-weight: 700; color: #0369a1; margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.04em; }
.calc-optimizer-desc { font-size: 14px; color: var(--text-muted); line-height: 1.6; margin-bottom: 0; }

/* Results column */
.calc-results-col { display: flex; flex-direction: column; gap: 20px; }
.calc-result-primary {
  background: var(--primary); border-radius: var(--radius); padding: 28px 24px; text-align: center; color: #fff;
}
.crp-label { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.07em; opacity: 0.7; margin-bottom: 6px; }
.crp-value { font-family: var(--font-heading); font-size: 3rem; font-weight: 800; line-height: 1; color: var(--accent); margin-bottom: 4px; }
.crp-unit  { font-size: 14px; opacity: 0.75; }

.calc-result-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* Warnings */
.calc-warnings { display: flex; flex-direction: column; gap: 10px; }
.calc-warn { padding: 12px 16px; border-radius: var(--radius-sm); font-size: 13px; line-height: 1.6; font-weight: 500; }
.calc-warn--danger  { background: #fff3f3; border: 1px solid #fca5a5; color: #b91c1c; }
.calc-warn--caution { background: #fffbeb; border: 1px solid #fcd34d; color: #92400e; }
.calc-warn--info    { background: #f0f9ff; border: 1px solid #bae6fd; color: #0369a1; }
.calc-warn--ok      { background: #f0fdf4; border: 1px solid #86efac; color: #166534; }

/* Table wrapper */
.calc-table-wrap { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.calc-table-wrap--ref { overflow-x: auto; }
.calc-table-title { padding: 14px 16px 10px; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-muted); border-bottom: 1px solid var(--border); background: var(--bg-gray); }
.calc-syringe-note { padding: 8px 16px; font-size: 12px; color: var(--text-muted); background: var(--bg-gray); border-bottom: 1px solid var(--border); }

/* Table row states */
.calc-row--imprecise td { color: var(--text-muted); }
.calc-row--imprecise td:first-child strong { color: var(--text-muted); }
.calc-row--active td  { background: #f0fdf4; font-weight: 600; }

/* Inline badges */
.calc-badge--warn   { font-size: 11px; font-weight: 700; background: #fef9c3; color: #854d0e; border: 1px solid #fcd34d; border-radius: 4px; padding: 1px 6px; margin-left: 4px; }
.calc-badge--danger { font-size: 11px; font-weight: 700; background: #fee2e2; color: #b91c1c; border: 1px solid #fca5a5; border-radius: 4px; padding: 1px 6px; }
.calc-badge--ok     { font-size: 11px; font-weight: 700; background: #dcfce7; color: #166534; border: 1px solid #86efac; border-radius: 4px; padding: 1px 6px; }

/* Explainer block (injection tab) */
.calc-explainer-block { padding: 20px; background: var(--bg-gray); border: 1px solid var(--border); border-radius: var(--radius); }
.calc-explainer-block h4 { font-size: 14px; font-weight: 700; color: var(--primary); margin-bottom: 8px; }
.calc-explainer-block p { font-size: 14px; color: var(--text-muted); line-height: 1.6; margin-bottom: 12px; }
.calc-safety-note { font-size: 13px; background: #fffbeb; border: 1px solid #fcd34d; border-radius: var(--radius-sm); padding: 10px 14px; color: #92400e; line-height: 1.6; }

/* Reference tab */
.calc-ref-header { margin-bottom: 24px; }
.calc-ref-header h2 { font-family: var(--font-heading); font-size: 1.6rem; font-weight: 700; margin-bottom: 8px; color: var(--primary); }
.calc-ref-header p  { color: var(--text-muted); font-size: 15px; margin-bottom: 16px; }
.calc-ref-search input {
  width: 100%; max-width: 520px; padding: 12px 18px;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  font-size: 15px; font-family: var(--font); color: var(--primary);
}
.calc-ref-search input:focus { outline: none; border-color: var(--accent); }

.calc-table--ref th:last-child,
.calc-table--ref td:last-child { min-width: 220px; }
.calc-ref-notes { font-size: 13px; color: var(--text-muted); }
.calc-ref-dose  { white-space: nowrap; font-weight: 600; }

.calc-cat-badge {
  display: inline-block; font-size: 11px; font-weight: 700; white-space: nowrap;
  background: var(--bg-gray); border: 1px solid var(--border); color: var(--text-muted);
  border-radius: 99px; padding: 2px 8px;
}
.calc-route-badge {
  display: inline-block; font-size: 11px; font-weight: 700;
  background: #dbeafe; color: #1e40af; border: 1px solid #bfdbfe;
  border-radius: 99px; padding: 2px 8px;
}

/* Responsive — collapse grid to stacked on tablet */
@media (max-width: 900px) {
  .calc-grid { grid-template-columns: 1fr; }
  .calc-result-row-2 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
  .calc-result-row-2 { grid-template-columns: 1fr; }
  .calc-toggle { font-size: 12px; padding: 8px 8px; }
}

/* ─── 404 ────────────────────────────────────────────────────────── */
.error-page { padding: 100px 0; text-align: center; }
.error-inner { max-width: 400px; margin: 0 auto; }
.error-code { display: block; font-size: 6rem; font-weight: 800; font-family: var(--font-heading); color: var(--border); line-height: 1; margin-bottom: 16px; }
.error-page h1 { font-size: 1.8rem; margin-bottom: 12px; color: var(--primary); }
.error-page p { color: var(--text-muted); margin-bottom: 28px; }
.error-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ─── Empty state ────────────────────────────────────────────────── */
.empty-state { text-align: center; padding: 60px 20px; color: var(--text-muted); }
.empty-state p { margin-bottom: 20px; font-size: 1.1rem; }

/* ─── Footer ─────────────────────────────────────────────────────── */
.site-footer { background: var(--primary); color: rgba(255,255,255,0.6); padding: 60px 0 32px; margin-top: 60px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-brand .nav-logo { color: #fff; margin-bottom: 14px; }
.footer-brand .logo-text { color: #fff; }
.footer-brand p { font-size: 14px; line-height: 1.7; margin-bottom: 12px; }
.footer-disclaimer { font-size: 12px; color: rgba(255,255,255,0.4) !important; }
.footer-links h4 { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: rgba(255,255,255,0.4); margin-bottom: 16px; }
.footer-links ul { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 14px; color: rgba(255,255,255,0.6); transition: color 0.15s; }
.footer-links a:hover { color: var(--accent); }
.footer-bottom { padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.1); display: flex; justify-content: space-between; align-items: center; font-size: 13px; }

/* ─── Responsive ─────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .posts-featured { grid-template-columns: 1fr 1fr; }
  .posts-featured .post-card--hero { grid-column: span 2; }
  .posts-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cta-inner { grid-template-columns: 1fr; }
  .cta-tools { flex-direction: row; flex-wrap: wrap; }
}

@media (max-width: 768px) {
  .section { padding: 48px 0; }

  /* Nav */
  .nav-toggle { display: flex; }
  .nav-links {
    display: none; position: fixed; inset: 64px 0 0 0;
    background: #fff; flex-direction: column; gap: 0;
    padding: 24px; border-top: 1px solid var(--border);
    overflow-y: auto; z-index: 99;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 14px 0; font-size: 1rem; border-bottom: 1px solid var(--border); min-height: 44px; display: flex; align-items: center; }
  .nav-utils { gap: 6px; }
  .search-trigger span, .search-trigger kbd, .nav-saved-label { display: none; }
  [data-theme="dark"] .nav-links { background: #0f1923; }

  /* Grids */
  .posts-featured, .posts-grid { grid-template-columns: 1fr; }
  .posts-featured .post-card--hero { grid-column: span 1; grid-template-columns: 1fr; }
  .posts-featured .post-card--hero .post-card-img-link { height: 220px; }

  /* Blog */
  .blog-layout { grid-template-columns: 1fr; }
  .blog-sidebar { position: static; order: -1; }
  .search-form { flex-wrap: wrap; }
  .search-input { min-width: 0; flex: 1 1 200px; }

  /* Calc tabs — scrollable row */
  .calc-tabs { overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none; white-space: nowrap; gap: 0; }
  .calc-tabs::-webkit-scrollbar { display: none; }
  .calc-tab { flex-shrink: 0; }
  .calc-inputs { flex-direction: column; }
  .calc-field { min-width: unset; width: 100%; }

  /* Post */
  .post-layout { grid-template-columns: 1fr; }
  .post-sidebar { position: static; }
  .post-hero-img img { height: 240px; }
  .post-meta-bar { gap: 10px; }

  /* Author cards */
  .author-bio-card { flex-direction: column; gap: 14px; }
  .about-author-card { flex-direction: column; gap: 14px; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }

  /* Hero */
  .hero { padding: 56px 0 44px; }
  .hero-sub { font-size: 1rem; }

  /* CTA */
  .cta-section { padding: 48px 0; }
  .cta-text h2 { font-size: 1.6rem; }
  .cta-tools { flex-direction: column; }

  /* Section header */
  .section-header { flex-wrap: wrap; gap: 6px; margin-bottom: 28px; }

  /* Contact */
  .cf-row { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .section { padding: 36px 0; }
  .hero { padding: 44px 0 36px; }
  .hero-title { font-size: clamp(1.8rem, 8vw, 2.6rem); }
  .hero-sub { font-size: 0.95rem; }
  .hero-cta { gap: 10px; }
  .hero-cta .btn { padding: 11px 20px; font-size: 14px; }

  /* Cards */
  .post-card-body { padding: 16px; }
  .post-card-title { font-size: 1rem; }

  /* Hero image on posts */
  .post-hero-img img { height: 200px; }

  /* Page hero */
  .page-hero { padding: 36px 0 28px; }
  .page-hero h1 { font-size: 1.6rem; }
  .page-hero-sub { font-size: 0.9rem; }

  /* Section headers */
  .section-header h2 { font-size: 1.4rem; }

  /* Sidebar */
  .blog-sidebar { margin-bottom: 8px; }

  /* Footer */
  .site-footer { padding: 40px 0 24px; margin-top: 40px; }
  .footer-brand p { font-size: 13px; }

  /* Glossary */
  .glossary-letter-heading { font-size: 1.5rem; }
  .glossary-az-nav { gap: 4px; }
  .az-link { width: 32px; height: 32px; font-size: 0.8rem; }

  /* Breadcrumb */
  .breadcrumb { font-size: 0.75em; }

  /* Calc */
  .calc-header { padding: 20px 20px 0; }
  .calc-body { padding: 18px 20px 22px; }
  .result-value { font-size: 2rem; }

  /* Touch targets — all interactive elements at least 44px tall */
  .btn { min-height: 44px; }
  .page-btn { min-height: 44px; padding: 10px 20px; }
  .share-btn { min-height: 44px; line-height: 44px; padding: 0 16px; }
  .az-link--active { min-height: 32px; }
  .nav-toggle { width: 40px; height: 40px; justify-content: center; }

  /* CTA */
  .cta-inner { gap: 32px; }
  .cta-section { padding: 40px 0; }
}

/* ─── Page Hero ──────────────────────────────────────────────────── */
.page-hero { background: linear-gradient(135deg, #0a0f1e 0%, #1a2540 100%); padding: 56px 0 48px; color: #fff; }
.page-hero h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 800; letter-spacing: -0.02em; margin: 0; }
.page-hero-sub { margin: 12px 0 0; font-size: 1.05rem; color: rgba(255,255,255,0.72); }

/* ─── Page Layout (content + sidebar) ───────────────────────────── */
.page-layout { display: grid; grid-template-columns: 1fr 280px; gap: 48px; align-items: start; }
.page-content { min-width: 0; }
.page-content h2 { font-size: 1.4rem; font-weight: 700; margin: 32px 0 12px; color: var(--primary); }
.page-content h3 { font-size: 1.15rem; font-weight: 600; margin: 24px 0 8px; }
.page-content p { margin: 0 0 16px; line-height: 1.75; }
.page-content ul, .page-content ol { margin: 0 0 16px; padding-left: 24px; }
.page-content li { margin-bottom: 6px; line-height: 1.7; }
.page-sidebar { position: sticky; top: 88px; }
.sidebar-widget { background: var(--bg-gray); border: 1px solid var(--border); border-radius: 12px; padding: 20px; margin-bottom: 20px; }
.sidebar-widget h4 { font-size: 0.8rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-muted); margin: 0 0 12px; }
.sidebar-cats { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; }
.sidebar-cats a { font-size: 0.9rem; color: var(--text); transition: color 0.15s; }
.sidebar-cats a:hover { color: var(--accent); }

/* ─── Legal / long-form content ─────────────────────────────────── */
.legal-content h2 { border-bottom: 1px solid var(--border); padding-bottom: 8px; }
.legal-content blockquote { border-left: 3px solid var(--accent); padding: 12px 16px; background: var(--bg-gray); border-radius: 0 8px 8px 0; margin: 20px 0; color: var(--text-muted); }

/* ─── Disclaimer alert banner ────────────────────────────────────── */
.disclaimer-alert-wrap { padding: 20px 0 0; }
.disclaimer-alert { display: flex; gap: 14px; align-items: flex-start; background: #fff8e1; border: 1px solid #ffe082; border-radius: 10px; padding: 16px 20px; font-size: 0.9rem; line-height: 1.6; color: #5d4037; }
.disclaimer-alert-icon { font-size: 1.3rem; flex-shrink: 0; margin-top: 1px; }

/* ─── About author card ──────────────────────────────────────────── */
.about-author-card { display: flex; gap: 20px; align-items: flex-start; background: var(--bg-gray); border: 1px solid var(--border); border-radius: 12px; padding: 24px; margin-top: 32px; }
.about-author-img { width: 80px; height: 80px; border-radius: 50%; object-fit: cover; flex-shrink: 0; }
.about-author-img-placeholder { width: 80px; height: 80px; border-radius: 50%; background: var(--accent); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 1.8rem; font-weight: 700; flex-shrink: 0; }
.about-author-card h3 { margin: 0 0 6px; font-size: 1.1rem; }
.about-author-card p { margin: 0; font-size: 0.92rem; color: var(--text-muted); }

/* ─── Reading time badge ─────────────────────────────────────────── */
.reading-time { font-size: 0.82rem; color: var(--text-muted); }

/* ─── Author bio (post page) ─────────────────────────────────────── */
.author-bio-section { padding: 40px 0; }
.author-bio-card { display: flex; gap: 20px; align-items: flex-start; background: var(--bg-gray); border: 1px solid var(--border); border-radius: 14px; padding: 28px; }
.author-bio-avatar { width: 72px; height: 72px; border-radius: 50%; object-fit: cover; flex-shrink: 0; }
.author-bio-avatar-placeholder { width: 72px; height: 72px; border-radius: 50%; background: var(--accent); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 1.6rem; font-weight: 700; flex-shrink: 0; }
.author-bio-label { font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.07em; color: var(--text-muted); margin-bottom: 2px; }
.author-bio-name { font-size: 1.1rem; font-weight: 700; margin: 0 0 6px; }
.author-bio-desc { font-size: 0.9rem; color: var(--text-muted); margin: 0; line-height: 1.6; }

/* ─── Contact form ───────────────────────────────────────────────── */
.contact-form-wrap h2 { font-size: 1.4rem; font-weight: 700; margin: 0 0 24px; }
.contact-form { display: flex; flex-direction: column; gap: 16px; }
.cf-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.cf-field { display: flex; flex-direction: column; gap: 6px; }
.cf-field label { font-size: 0.85rem; font-weight: 600; color: var(--primary); }
.cf-field input, .cf-field textarea { width: 100%; padding: 10px 14px; border: 1.5px solid var(--border); border-radius: 8px; font-family: inherit; font-size: 0.95rem; color: var(--text); background: var(--bg-gray); transition: border-color 0.15s; }
.cf-field input:focus, .cf-field textarea:focus { outline: none; border-color: var(--accent); }
.cf-field textarea { resize: vertical; }
.contact-success { text-align: center; padding: 48px 24px; background: #f0faf5; border-radius: 14px; }
.contact-success-icon { font-size: 2.5rem; }
.contact-success h3 { margin: 12px 0 6px; font-size: 1.3rem; }
.contact-success p { color: var(--text-muted); }
.contact-email-alt { margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--border); font-size: 0.9rem; color: var(--text-muted); }

/* ─── Glossary ───────────────────────────────────────────────────── */
.glossary-az-nav { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 40px; }
.az-link { display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 36px; border-radius: 8px; font-size: 0.9rem; font-weight: 600; text-decoration: none; }
.az-link--active { background: var(--accent); color: #fff; }
.az-link--active:hover { background: #005c47; }
.az-link--inactive { background: var(--bg-gray); color: var(--text-muted); cursor: default; border: 1px solid var(--border); }
.glossary-section { margin-bottom: 48px; scroll-margin-top: 88px; }
.glossary-letter-heading { font-size: 1.8rem; font-weight: 800; color: var(--accent); margin: 0 0 20px; padding-bottom: 10px; border-bottom: 2px solid var(--border); }
.glossary-list { margin: 0; padding: 0; display: flex; flex-direction: column; gap: 24px; }
.glossary-entry { background: var(--bg-gray); border: 1px solid var(--border); border-radius: 12px; padding: 20px 24px; }
.glossary-term { font-size: 1.05rem; font-weight: 700; color: var(--primary); margin: 0 0 8px; }
.glossary-aka { font-size: 0.82rem; font-weight: 400; color: var(--text-muted); margin-left: 10px; }
.glossary-def { margin: 0 0 10px; font-size: 0.93rem; line-height: 1.7; color: var(--text); }
.glossary-related { margin: 0; font-size: 0.82rem; color: var(--text-muted); display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.glossary-related span:first-child { font-weight: 600; }
.glossary-related-tag { background: #e8f5e9; color: #2e7d32; border-radius: 4px; padding: 2px 8px; }
.empty-state { text-align: center; padding: 48px; color: var(--text-muted); }


/* ─── Glossary: term links on index ─────────────────────────────── */
.glossary-term-link { color: var(--accent-dark); font-weight: 700; text-decoration: underline; text-underline-offset: 3px; }
.glossary-term-link:hover { color: var(--primary); }
.glossary-read-more { display: inline-block; margin-left: 6px; font-size: 0.82em; font-weight: 600; color: var(--accent-dark); white-space: nowrap; text-decoration: underline; text-underline-offset: 2px; }
.glossary-read-more:hover { text-decoration: underline; }

/* ─── Breadcrumb bar ────────────────────────────────────────────── */
.breadcrumb-bar { background: var(--bg-gray); border-bottom: 1px solid var(--border); padding: 10px 0; }
.breadcrumb { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; font-size: 0.82em; color: var(--text-muted); }
.breadcrumb a { color: var(--text-muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--primary); text-decoration: underline; }
.bc-sep { color: var(--border); }
.bc-current { color: var(--text); font-weight: 500; }

/* ─── Individual glossary term page ─────────────────────────────── */
.container--narrow { max-width: 780px; }
.term-article { padding: 0 0 48px; }
.term-header { display: flex; align-items: flex-start; gap: 20px; margin-bottom: 32px; padding-bottom: 24px; border-bottom: 2px solid var(--border); }
.term-letter-badge { flex-shrink: 0; width: 56px; height: 56px; background: var(--primary); color: #fff; border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 1.6rem; font-weight: 800; letter-spacing: -1px; }
.term-header-text { flex: 1; }
.term-title { font-size: 2rem; font-weight: 800; color: var(--primary); margin: 0 0 6px; line-height: 1.15; }
.term-fullname { margin: 0; font-size: 0.9em; color: var(--text-muted); }
.term-body { font-size: 1.05rem; line-height: 1.78; color: var(--text); margin-bottom: 32px; }
.term-body p { margin: 0 0 1em; }
.term-disclaimer { background: #f0fdf4; border-left: 4px solid var(--primary); border-radius: 0 8px 8px 0; padding: 14px 18px; font-size: 0.84em; color: #374151; margin-bottom: 40px; }
.term-nav { display: grid; grid-template-columns: 1fr auto 1fr; gap: 12px; align-items: center; border-top: 1px solid var(--border); padding-top: 28px; }
.term-nav-link { display: flex; flex-direction: column; text-decoration: none; padding: 10px 14px; border: 1px solid var(--border); border-radius: 8px; transition: border-color .15s, background .15s; }
.term-nav-link:hover { border-color: var(--primary); background: #f0fdf4; }
.term-nav-link--next { text-align: right; }
.term-nav-dir { font-size: 0.75em; color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }
.term-nav-name { font-size: 0.9em; font-weight: 600; color: var(--primary); margin-top: 2px; }
.term-nav-all { text-align: center; font-size: 0.85em; font-weight: 600; color: var(--primary); text-decoration: none; white-space: nowrap; }
.term-nav-all:hover { text-decoration: underline; }

@media (max-width: 600px) {
  .term-header { flex-direction: column; gap: 14px; }
  .term-title { font-size: 1.5rem; }
  .term-nav { grid-template-columns: 1fr 1fr; }
  .term-nav-all { grid-column: 1 / -1; order: -1; padding-bottom: 8px; border-bottom: 1px solid var(--border); }
}

@media (max-width: 960px) {
  .page-layout { grid-template-columns: 1fr; }
  .page-sidebar { position: static; }
  .cf-row { grid-template-columns: 1fr; }
}

/* ══════════════════════════════════════════════════════════════════
   NAV DROPDOWNS
══════════════════════════════════════════════════════════════════ */
.nav-links { display: flex; align-items: center; gap: 2px; }
.nav-item { position: relative; }

.nav-dd-btn {
  display: flex; align-items: center; gap: 5px;
  padding: 8px 12px; font-size: 14px; font-weight: 500;
  color: var(--text-muted); background: none; border: none; cursor: pointer;
  font-family: var(--font); border-radius: 6px; transition: color 0.15s, background 0.15s;
  white-space: nowrap;
}
.nav-dd-btn:hover { color: var(--primary); background: var(--bg-gray); }
.nav-item--dd.open .nav-dd-btn { color: var(--primary); background: var(--bg-gray); }

.nav-plain-link {
  display: block; padding: 8px 12px; font-size: 14px; font-weight: 500;
  color: var(--text-muted); border-radius: 6px; transition: color 0.15s, background 0.15s;
  white-space: nowrap;
}
.nav-plain-link:hover, .nav-plain-link.active { color: var(--primary); background: var(--bg-gray); }

.dd-chevron { width: 13px; height: 13px; flex-shrink: 0; transition: transform 0.2s; }
.nav-item--dd.open .dd-chevron { transform: rotate(180deg); }

.nav-dropdown {
  position: absolute; top: calc(100% + 6px); left: 0;
  background: #fff; border: 1px solid var(--border); border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.12); padding: 12px;
  min-width: 200px;
  opacity: 0; visibility: hidden; transform: translateY(-8px);
  transition: opacity 0.18s, visibility 0.18s, transform 0.18s;
  z-index: 500;
}
.nav-dropdown--right { left: auto; right: 0; }
.nav-item--dd:hover .nav-dropdown,
.nav-item--dd.open .nav-dropdown { opacity: 1; visibility: visible; transform: translateY(0); }

.dd-grid { display: flex; gap: 8px; }
.dd-grid--2 { gap: 0; }
.dd-grid--2 .dd-col { flex: 1; }
.dd-grid--2 .dd-col:first-child { border-right: 1px solid var(--border); padding-right: 8px; margin-right: 8px; }

.dd-col { display: flex; flex-direction: column; gap: 1px; min-width: 160px; }
.dd-heading { font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.07em; color: var(--text-muted); padding: 4px 10px 8px; }

.dd-link {
  display: flex; align-items: center; gap: 9px;
  padding: 7px 10px; border-radius: 7px; font-size: 13.5px;
  color: var(--text); transition: background 0.12s, color 0.12s; text-decoration: none;
}
.dd-link:hover { background: var(--bg-gray); color: var(--primary); }
.dd-icon { font-size: 15px; width: 20px; text-align: center; flex-shrink: 0; }

.dd-footer { border-top: 1px solid var(--border); margin-top: 8px; padding-top: 8px; }
.dd-all-link { display: block; padding: 6px 10px; font-size: 13px; font-weight: 600; color: var(--accent); text-align: center; }
.dd-all-link:hover { text-decoration: underline; }

/* Mega menu — wide peptides dropdown */
.nav-dropdown--mega { min-width: 680px; padding: 16px; }
.dd-grid--3 { display: flex; gap: 0; }
.dd-grid--3 .dd-col { flex: 1; min-width: 0; padding: 0 12px; border-right: 1px solid var(--border); }
.dd-grid--3 .dd-col:first-child { padding-left: 0; }
.dd-grid--3 .dd-col:last-child  { border-right: none; padding-right: 0; }

/* Category "All X" links — slightly heavier */
.dd-link--cat {
  font-weight: 600; font-size: 13px; color: var(--primary);
  padding: 6px 10px; border-radius: 6px; display: block;
}
.dd-link--cat:hover { background: var(--bg-gray); color: var(--accent); }

/* Individual peptide sub-links — smaller, indented */
.dd-link--sub {
  display: block; padding: 4px 10px 4px 16px; font-size: 12.5px;
  color: var(--text-muted); border-radius: 5px; transition: background 0.12s, color 0.12s;
}
.dd-link--sub:hover { background: var(--bg-gray); color: var(--primary); }

/* ══════════════════════════════════════════════════════════════════
   HOMEPAGE — HERO STATS
══════════════════════════════════════════════════════════════════ */
.hero-stats {
  display: flex; gap: 40px; margin-top: 48px;
  padding-top: 32px; border-top: 1px solid rgba(255,255,255,0.12);
  flex-wrap: wrap;
}
.hero-stat { display: flex; flex-direction: column; gap: 4px; }
.hero-stat-num { font-size: 2rem; font-weight: 800; font-family: var(--font-heading); color: var(--accent); line-height: 1; }
.hero-stat-label { font-size: 12px; font-weight: 600; color: rgba(255,255,255,0.5); text-transform: uppercase; letter-spacing: 0.06em; }

/* ══════════════════════════════════════════════════════════════════
   HOMEPAGE — SECTION HELPERS
══════════════════════════════════════════════════════════════════ */
.section-sub { font-size: 15px; color: var(--text-muted); margin-top: 4px; }
.section-tag { display: inline-block; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.07em; color: var(--accent); margin-bottom: 10px; }

/* ══════════════════════════════════════════════════════════════════
   HOMEPAGE — PEPTIDE CATEGORY CARDS
══════════════════════════════════════════════════════════════════ */
.peptide-cats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

.pcat-card {
  display: flex; flex-direction: column; gap: 10px;
  padding: 24px; background: #fff; border: 1px solid var(--border);
  border-radius: 12px; text-decoration: none; color: inherit;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}
.pcat-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--accent); }

.pcat-icon { font-size: 2rem; width: 52px; height: 52px; display: flex; align-items: center; justify-content: center; border-radius: 12px; }
.pcat-icon--blue   { background: #eff6ff; }
.pcat-icon--green  { background: #f0fdf4; }
.pcat-icon--purple { background: #f5f3ff; }
.pcat-icon--orange { background: #fff7ed; }
.pcat-icon--teal   { background: #f0fdfa; }
.pcat-icon--red    { background: #fff1f2; }

.pcat-name { font-size: 1.1rem; font-weight: 700; color: var(--primary); margin: 0; }
.pcat-desc { font-size: 13.5px; color: var(--text-muted); line-height: 1.6; margin: 0; flex: 1; }
.pcat-footer { display: flex; justify-content: space-between; align-items: center; margin-top: 4px; padding-top: 12px; border-top: 1px solid var(--border); }
.pcat-count { font-size: 11.5px; color: var(--text-muted); }
.pcat-arrow { font-size: 16px; color: var(--accent); font-weight: 700; transition: transform 0.15s; }
.pcat-card:hover .pcat-arrow { transform: translateX(4px); }

/* ══════════════════════════════════════════════════════════════════
   HOMEPAGE — TOOLS SECTION
══════════════════════════════════════════════════════════════════ */
.tools-section { background: var(--primary); color: #fff; }
.tools-section .section-tag { color: var(--accent); }
.tools-section h2 { color: #fff; font-family: var(--font-heading); font-size: 2rem; font-weight: 800; margin: 0 0 16px; }
.tools-section p { color: rgba(255,255,255,0.7); margin: 0 0 28px; max-width: 440px; line-height: 1.7; }

.tools-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.tools-intro { display: flex; flex-direction: column; align-items: flex-start; }

.tools-grid-mini { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.tool-mini-card {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  padding: 16px 10px; background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.12);
  border-radius: 10px; text-decoration: none; color: rgba(255,255,255,0.85);
  font-size: 12px; font-weight: 600; text-align: center; line-height: 1.3;
  transition: background 0.15s, border-color 0.15s;
}
.tool-mini-card:hover { background: rgba(255,255,255,0.13); border-color: var(--accent); color: #fff; }
.tool-mini-icon { font-size: 1.5rem; }

/* ══════════════════════════════════════════════════════════════════
   HOMEPAGE — A-Z BANNER
══════════════════════════════════════════════════════════════════ */
.az-banner { background: linear-gradient(135deg, #0a1628 0%, #0d2240 100%); padding: 64px 0; }
.az-banner-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.az-banner-text h2 { font-family: var(--font-heading); font-size: 2rem; font-weight: 800; color: #fff; margin: 0 0 12px; }
.az-banner-text p { color: rgba(255,255,255,0.65); margin: 0 0 28px; line-height: 1.7; }
.az-preview { display: flex; flex-wrap: wrap; gap: 6px; }
.az-prev-letter {
  width: 34px; height: 34px; display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.15);
  border-radius: 6px; font-size: 13px; font-weight: 700; color: rgba(255,255,255,0.6);
  text-decoration: none; transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.az-prev-letter:hover { background: var(--accent); border-color: var(--accent); color: #fff; }

/* ══════════════════════════════════════════════════════════════════
   HOMEPAGE — RESOURCES GRID
══════════════════════════════════════════════════════════════════ */
.resources-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.resource-card {
  padding: 24px; background: #fff; border: 1px solid var(--border); border-radius: 12px;
  text-decoration: none; color: inherit; display: flex; flex-direction: column; gap: 10px;
  transition: transform 0.2s, box-shadow 0.2s;
}
.resource-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.resource-card-icon { font-size: 2rem; }
.resource-card h3 { font-size: 1.05rem; font-weight: 700; color: var(--primary); margin: 0; }
.resource-card p { font-size: 13.5px; color: var(--text-muted); line-height: 1.6; margin: 0; flex: 1; }
.resource-card-link { font-size: 13px; font-weight: 600; color: var(--accent); margin-top: 4px; }

/* ══════════════════════════════════════════════════════════════════
   HOMEPAGE — DISCLAIMER SECTION
══════════════════════════════════════════════════════════════════ */
.disclaimer-section { background: #fefce8; border-top: 1px solid #fde68a; padding: 40px 0; }
.disclaimer-inner { display: flex; gap: 20px; align-items: flex-start; }
.disclaimer-icon { font-size: 2rem; flex-shrink: 0; margin-top: 2px; }
.disclaimer-content h3 { font-size: 1rem; font-weight: 700; color: #92400e; margin: 0 0 8px; }
.disclaimer-content p { font-size: 14px; color: #78350f; line-height: 1.7; margin: 0 0 10px; }
.disclaimer-link { font-size: 13px; font-weight: 600; color: #92400e; text-decoration: underline; }

/* ══════════════════════════════════════════════════════════════════
   FOOTER UPDATES
══════════════════════════════════════════════════════════════════ */
.footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr 1fr; }
.footer-contact { font-size: 13px; margin-top: 12px; }
.footer-contact a { color: var(--accent); }
.footer-contact a:hover { text-decoration: underline; }

/* ══════════════════════════════════════════════════════════════════
   PEPTIDE CATEGORY & HUB PAGES
══════════════════════════════════════════════════════════════════ */
.pcat-hero { background: var(--primary); color: #fff; padding: 56px 0 48px; }
.pcat-hero-inner { max-width: 700px; }
.pcat-hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(0,200,150,0.15); color: var(--accent); border: 1px solid rgba(0,200,150,0.3); border-radius: 100px; padding: 4px 14px; font-size: 13px; font-weight: 600; margin-bottom: 20px; }
.pcat-hero h1 { font-family: var(--font-heading); font-size: clamp(1.8rem,4vw,2.6rem); font-weight: 800; color: #fff; margin: 0 0 16px; }
.pcat-hero p { color: rgba(255,255,255,0.72); font-size: 1.05rem; line-height: 1.7; margin: 0 0 28px; }

.peptide-list-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 20px; }
.peptide-list-card {
  background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 22px;
  display: flex; flex-direction: column; gap: 8px;
  transition: transform 0.2s, box-shadow 0.2s;
}
.peptide-list-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.peptide-list-card h3 { font-size: 1.05rem; font-weight: 700; color: var(--primary); margin: 0; }
.peptide-list-card h3 a { color: inherit; }
.peptide-list-card h3 a:hover { color: var(--accent); }
.peptide-list-card p { font-size: 13.5px; color: var(--text-muted); line-height: 1.6; margin: 0; flex: 1; }
.peptide-list-card .plc-footer { display: flex; justify-content: space-between; align-items: center; padding-top: 10px; border-top: 1px solid var(--border); margin-top: 4px; }
.peptide-list-card .plc-tag { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; color: var(--accent); }
.peptide-list-card .plc-link { font-size: 13px; font-weight: 600; color: var(--accent); }

/* Tools / Resources hub */
.hub-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px,1fr)); gap: 20px; }
.hub-card {
  display: flex; flex-direction: column; gap: 10px;
  padding: 24px; background: #fff; border: 1px solid var(--border); border-radius: 12px;
  text-decoration: none; color: inherit; transition: transform 0.2s, box-shadow 0.2s;
}
.hub-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.hub-card-icon { font-size: 2rem; }
.hub-card h3 { font-size: 1rem; font-weight: 700; color: var(--primary); margin: 0; }
.hub-card p { font-size: 13.5px; color: var(--text-muted); line-height: 1.6; margin: 0; flex: 1; }
.hub-card-status { display: inline-block; font-size: 11px; font-weight: 700; padding: 2px 10px; border-radius: 100px; }
.hub-card-status--live { background: #dcfce7; color: #166534; }
.hub-card-status--soon { background: #fef9c3; color: #854d0e; }

/* Coming soon page */
.coming-soon-wrap { text-align: center; padding: 80px 0; }
.coming-soon-icon { font-size: 4rem; margin-bottom: 24px; }
.coming-soon-wrap h2 { font-family: var(--font-heading); font-size: 2rem; font-weight: 800; color: var(--primary); margin: 0 0 14px; }
.coming-soon-wrap p { color: var(--text-muted); font-size: 1.05rem; max-width: 500px; margin: 0 auto 32px; line-height: 1.7; }
.coming-soon-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* FAQ page */
.faq-list { display: flex; flex-direction: column; gap: 4px; }
details.faq-item { border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
details.faq-item summary { list-style: none; }
details.faq-item summary::-webkit-details-marker { display: none; }
details.faq-item summary::marker { display: none; }
.faq-q {
  width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding: 18px 22px; background: #fff; cursor: pointer; text-align: left;
  font-family: var(--font); font-size: 15px; font-weight: 600; color: var(--primary);
  transition: background 0.15s;
}
.faq-q:hover { background: var(--bg-gray); }
.faq-icon {
  display: inline-flex; align-items: center; justify-content: center;
  flex-shrink: 0; width: 24px; height: 24px; border-radius: 50%;
  background: var(--bg-gray); border: 1px solid var(--border);
  font-size: 1.1rem; font-weight: 400; line-height: 1; color: var(--accent-dark);
  transition: transform 0.25s, background 0.15s;
}
details.faq-item[open] .faq-icon { transform: rotate(45deg); background: var(--accent); color: #fff; border-color: var(--accent); }
.faq-a {
  padding: 16px 22px 18px; font-size: 14.5px;
  color: var(--text-muted); line-height: 1.75;
  border-top: 1px solid var(--border); background: #fafafa;
}
.faq-a p { margin: 0 0 10px; }
.faq-a p:last-child { margin-bottom: 0; }
.faq-a ul, .faq-a ol { padding-left: 20px; margin: 8px 0; }
.faq-a li { margin-bottom: 6px; }

/* ══════════════════════════════════════════════════════════════════
   RESPONSIVE — NEW SECTIONS
══════════════════════════════════════════════════════════════════ */
@media (max-width: 1100px) {
  .footer-grid { grid-template-columns: 2fr 1fr 1fr; }
  .footer-grid > :nth-child(4), .footer-grid > :nth-child(5) { grid-column: auto; }
  .tools-grid-mini { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 900px) {
  .peptide-cats-grid { grid-template-columns: repeat(2, 1fr); }
  .resources-grid { grid-template-columns: repeat(2, 1fr); }
  .tools-layout { grid-template-columns: 1fr; gap: 36px; }
  .tools-grid-mini { grid-template-columns: repeat(4, 1fr); }
  .az-banner-inner { grid-template-columns: 1fr; gap: 36px; }
}

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .footer-grid > :first-child { grid-column: 1 / -1; }
  .tools-grid-mini { grid-template-columns: repeat(4, 1fr); }
  /* Mobile nav — dropdowns become accordions */
  .nav-links { flex-direction: column; align-items: stretch; gap: 0; padding: 16px; overflow-y: auto; }
  .nav-dd-btn, .nav-plain-link { width: 100%; font-size: 16px; padding: 14px 12px; border-bottom: 1px solid var(--border); border-radius: 0; }
  .nav-dropdown { position: static; opacity: 1; visibility: visible; transform: none;
    box-shadow: none; border: none; border-radius: 0; background: var(--bg-gray);
    padding: 8px 8px 8px 20px; display: none; min-width: 0; }
  .nav-item--dd.open .nav-dropdown { display: block; }
  .dd-grid--2, .dd-grid--3 { flex-direction: column; gap: 0; }
  .dd-grid--2 .dd-col:first-child { border-right: none; padding-right: 0; margin-right: 0; border-bottom: 1px solid var(--border); margin-bottom: 8px; padding-bottom: 8px; }
  .dd-grid--3 .dd-col { border-right: none; padding: 0; border-bottom: 1px solid var(--border); margin-bottom: 8px; padding-bottom: 8px; }
  .dd-grid--3 .dd-col:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
  .nav-dropdown--mega { min-width: 0; }
  .dd-footer { border-top: none; }
}

@media (max-width: 600px) {
  .peptide-cats-grid { grid-template-columns: 1fr; }
  .resources-grid { grid-template-columns: 1fr 1fr; }
  .tools-grid-mini { grid-template-columns: repeat(2, 1fr); }
  .hero-stats { gap: 24px; }
  .hero-stat-num { font-size: 1.6rem; }
  .az-banner { padding: 44px 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 400px) {
  .resources-grid { grid-template-columns: 1fr; }
}

/* ══════════════════════════════════════════════════════════════════
   BREADCRUMB NAV
══════════════════════════════════════════════════════════════════ */
.breadcrumb-nav {
  display: flex; align-items: center; gap: 6px; flex-wrap: wrap;
  font-size: 13px; color: rgba(255,255,255,0.7); margin-bottom: 20px;
}
.breadcrumb-nav a { color: rgba(255,255,255,0.8); text-decoration: underline; }
.breadcrumb-nav a:hover { color: #fff; }
.breadcrumb-nav span:not(:last-child) { opacity: 0.5; }

/* ══════════════════════════════════════════════════════════════════
   PEPTIDE CATEGORY HERO — shared + variants
══════════════════════════════════════════════════════════════════ */
.pcat-hero {
  background: var(--primary); color: #fff;
  padding: 72px 0 60px; text-align: center;
}
.pcat-hero h1 {
  font-family: var(--font-heading); font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800; margin-bottom: 16px;
}
.pcat-hero .hero-sub {
  max-width: 680px; margin: 0 auto 28px; color: rgba(255,255,255,0.8);
  font-size: 1.05rem; line-height: 1.7;
}
.pcat-hero .hero-cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

.pcat-hero--main { background: linear-gradient(135deg, #0D1B2A 0%, #1a3a5c 100%); }
.pcat-hero--blue  { background: linear-gradient(135deg, #0D1B2A 0%, #1e3a6e 100%); }
.pcat-hero--green { background: linear-gradient(135deg, #0D1B2A 0%, #064e3b 100%); }
.pcat-hero--purple { background: linear-gradient(135deg, #0D1B2A 0%, #3b1f6b 100%); }
.pcat-hero--orange { background: linear-gradient(135deg, #0D1B2A 0%, #6b3012 100%); }
.pcat-hero--teal  { background: linear-gradient(135deg, #0D1B2A 0%, #0e4d4d 100%); }
.pcat-hero--red   { background: linear-gradient(135deg, #0D1B2A 0%, #6b1a1a 100%); }
.pcat-hero--tools    { background: linear-gradient(135deg, #0D1B2A 0%, #1a2d4a 100%); }
.pcat-hero--resources { background: linear-gradient(135deg, #0D1B2A 0%, #1a3a2d 100%); }

.pcat-hero-icon {
  font-size: 3rem; display: block; margin-bottom: 16px;
}

/* Larger category cards on /peptides hub */
.peptide-cats-grid--full {
  grid-template-columns: repeat(3, 1fr);
}
.pcat-card--lg .pcat-desc { font-size: 0.9rem; }

/* ══════════════════════════════════════════════════════════════════
   CATEGORY PILL LINKS
══════════════════════════════════════════════════════════════════ */
.hub-grid--cats {
  display: flex; flex-wrap: wrap; align-items: center; gap: 12px;
  padding: 24px; background: var(--bg-gray); border-radius: var(--radius);
  border: 1px solid var(--border);
}
.hub-grid-label {
  font-size: 13px; font-weight: 600; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.05em; margin-right: 4px;
}
.hub-cat-pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px; background: #fff; border: 1px solid var(--border);
  border-radius: 999px; font-size: 14px; font-weight: 500; color: var(--text);
  transition: all 0.2s;
}
.hub-cat-pill:hover { background: var(--accent); color: #fff; border-color: var(--accent); }

/* ══════════════════════════════════════════════════════════════════
   RESOURCES GRID — 3 columns variant + larger cards
══════════════════════════════════════════════════════════════════ */
.resources-grid--3 {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.resource-card--lg {
  padding: 28px;
}
.resource-card--lg h3 { font-size: 1.15rem; }
.resource-card--lg p { font-size: 0.9rem; }

/* ══════════════════════════════════════════════════════════════════
   RESEARCH STUDIES PAGE
══════════════════════════════════════════════════════════════════ */
.research-filters {
  display: flex; flex-wrap: wrap; align-items: center; gap: 10px;
  margin-bottom: 40px; padding: 16px 20px;
  background: var(--bg-gray); border-radius: var(--radius);
  border: 1px solid var(--border);
}
.research-filter-label { font-size: 13px; font-weight: 600; color: var(--text-muted); margin-right: 4px; }
.research-tag {
  display: inline-block; padding: 4px 12px; border-radius: 999px;
  font-size: 12px; font-weight: 600;
  background: var(--bg-gray); border: 1px solid var(--border);
  color: var(--text); transition: all 0.2s;
}
.research-tag:hover { background: var(--accent); color: #fff; border-color: var(--accent); }
.research-tag--blue   { background: #eff6ff; color: #1d4ed8; border-color: #bfdbfe; }
.research-tag--green  { background: #f0fdf4; color: #166534; border-color: #bbf7d0; }
.research-tag--purple { background: #f5f3ff; color: #6d28d9; border-color: #ddd6fe; }
.research-tag--orange { background: #fff7ed; color: #c2410c; border-color: #fed7aa; }
.research-tag--teal   { background: #f0fdfa; color: #0f766e; border-color: #99f6e4; }

.research-section { margin-bottom: 52px; }
.research-section-title {
  display: flex; align-items: center; gap: 10px;
  font-size: 1.3rem; font-weight: 700; margin-bottom: 20px;
  padding-bottom: 12px; border-bottom: 2px solid var(--border);
}
.research-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.research-card {
  background: var(--bg-gray); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px;
  transition: box-shadow 0.2s;
}
.research-card:hover { box-shadow: var(--shadow-md); }
.research-card-meta {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 12px; flex-wrap: wrap; gap: 6px;
}
.research-date { font-size: 12px; color: var(--text-muted); font-style: italic; }
.research-card h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 10px; line-height: 1.4; }
.research-card p  { font-size: 0.87rem; color: var(--text-muted); line-height: 1.6; margin-bottom: 12px; }
.research-card-stats {
  display: flex; flex-wrap: wrap; gap: 8px;
  padding-top: 12px; border-top: 1px solid var(--border);
}
.research-stat { font-size: 12px; color: var(--text-muted); }

/* ══════════════════════════════════════════════════════════════════
   SAFETY PAGE
══════════════════════════════════════════════════════════════════ */
.safety-content { max-width: 960px; margin: 0 auto; }
.safety-alert {
  display: flex; gap: 14px; align-items: flex-start;
  background: #fff8e7; border: 1px solid #fbbf24;
  border-radius: var(--radius); padding: 16px 20px;
  margin-bottom: 40px; font-size: 14px; line-height: 1.6;
}
.safety-alert-icon { font-size: 1.3rem; flex-shrink: 0; }

.safety-section { margin-bottom: 52px; }
.safety-section h2 {
  display: flex; align-items: center; gap: 12px;
  font-size: 1.3rem; font-weight: 700;
  margin-bottom: 20px; padding-bottom: 12px;
  border-bottom: 2px solid var(--border);
}
.safety-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; background: var(--accent);
  color: #fff; border-radius: 50%; font-size: 13px; font-weight: 700;
  flex-shrink: 0;
}
.safety-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.safety-card {
  background: var(--bg-gray); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px;
}
.safety-card h4 { font-size: 0.95rem; font-weight: 700; margin-bottom: 12px; }
.safety-card ul { padding-left: 20px; list-style: disc; }
.safety-card li { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 6px; line-height: 1.5; }
.safety-card--warn { border-color: #fca5a5; background: #fff5f5; }
.safety-card--caution { border-color: #fcd34d; background: #fffbeb; }

.safety-steps {
  padding-left: 0; counter-reset: steps; list-style: none;
}
.safety-steps li {
  counter-increment: steps; position: relative;
  padding: 16px 16px 16px 52px; margin-bottom: 10px;
  background: var(--bg-gray); border: 1px solid var(--border);
  border-radius: var(--radius-sm); font-size: 0.9rem; line-height: 1.6;
}
.safety-steps li::before {
  content: counter(steps);
  position: absolute; left: 16px; top: 50%; transform: translateY(-50%);
  width: 24px; height: 24px; background: var(--accent);
  color: #fff; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700;
}

/* ══════════════════════════════════════════════════════════════════
   REGULATORY PAGE
══════════════════════════════════════════════════════════════════ */
.reg-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-bottom: 40px; }
.reg-card {
  background: var(--bg-gray); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px;
}
.reg-flag { font-size: 2.5rem; margin-bottom: 12px; }
.reg-card h2 { font-size: 1.2rem; font-weight: 700; margin-bottom: 10px; }
.reg-status-row { margin-bottom: 14px; }
.reg-card p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.6; margin-bottom: 14px; }
.reg-card h4 { font-size: 0.85rem; font-weight: 700; margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.04em; }

.reg-badge {
  display: inline-block; padding: 4px 10px; border-radius: 4px;
  font-size: 12px; font-weight: 600;
}
.reg-badge--approved   { background: #d1fae5; color: #065f46; }
.reg-badge--restricted { background: #fee2e2; color: #991b1b; }
.reg-badge--partial    { background: #fef3c7; color: #92400e; }

.reg-list { padding-left: 0; list-style: none; }
.reg-list li {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  font-size: 0.87rem; padding: 6px 0; border-bottom: 1px solid var(--border);
  color: var(--text-muted);
}
.reg-list li:last-child { border-bottom: none; }

.reg-note {
  background: var(--bg-gray); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px; margin-top: 8px;
}
.reg-note h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; }
.reg-note p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.7; }

/* ══════════════════════════════════════════════════════════════════
   FAQ PAGE
══════════════════════════════════════════════════════════════════ */
.faq-container { max-width: 800px; margin: 0 auto; }
.faq-categories {
  display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 40px;
}
.faq-cat-btn {
  padding: 8px 18px; background: var(--bg-gray);
  border: 1px solid var(--border); border-radius: 999px;
  font-size: 14px; font-weight: 500; color: var(--text);
  transition: all 0.2s;
}
.faq-cat-btn:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

.faq-group { margin-bottom: 48px; }
.faq-group-title {
  font-size: 1.2rem; font-weight: 700; margin-bottom: 16px;
  padding-bottom: 10px; border-bottom: 2px solid var(--border);
  color: var(--text);
}

/* coming-soon-badge */
.coming-soon-badge {
  display: inline-block; padding: 6px 16px;
  background: rgba(255,255,255,0.15); border: 1px solid rgba(255,255,255,0.3);
  border-radius: 999px; font-size: 13px; font-weight: 600;
  color: #fff; margin-bottom: 16px;
}

/* ══════════════════════════════════════════════════════════════════
   RESPONSIVE — NEW PAGE STYLES
══════════════════════════════════════════════════════════════════ */
@media (max-width: 900px) {
  .resources-grid--3 { grid-template-columns: repeat(2, 1fr); }
  .research-grid { grid-template-columns: repeat(2, 1fr); }
  .reg-grid { grid-template-columns: 1fr; }
  .safety-grid { grid-template-columns: 1fr; }
  .peptide-cats-grid--full { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  .resources-grid--3 { grid-template-columns: 1fr; }
  .research-grid { grid-template-columns: 1fr; }
  .peptide-cats-grid--full { grid-template-columns: 1fr; }
  .faq-categories { gap: 6px; }
  .safety-steps li { padding-left: 44px; }
}

/* ══════════════════════════════════════════════════════════════════
   PEPTIDE PROFILE PAGES
══════════════════════════════════════════════════════════════════ */
.profile-hero {
  background: var(--primary); color: #fff;
  padding: 64px 0 52px;
}
.profile-hero--blue   { background: linear-gradient(135deg, #0D1B2A 0%, #1e3a6e 100%); }
.profile-hero--green  { background: linear-gradient(135deg, #0D1B2A 0%, #064e3b 100%); }
.profile-hero--purple { background: linear-gradient(135deg, #0D1B2A 0%, #3b1f6b 100%); }
.profile-hero--orange { background: linear-gradient(135deg, #0D1B2A 0%, #6b3012 100%); }
.profile-hero--teal   { background: linear-gradient(135deg, #0D1B2A 0%, #0e4d4d 100%); }
.profile-hero--red    { background: linear-gradient(135deg, #0D1B2A 0%, #6b1a1a 100%); }

.profile-hero-inner {
  display: grid; grid-template-columns: 1fr 340px; gap: 48px; align-items: start; margin-top: 24px;
}
.profile-badges { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.profile-badge {
  display: inline-block; padding: 4px 12px; border-radius: 999px;
  font-size: 12px; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase;
}
.profile-badge--research    { background: rgba(255,255,255,0.15); color: #fff; }
.profile-badge--fda-approved { background: #10b981; color: #fff; }
.profile-badge--investigational { background: #f59e0b; color: #fff; }
.profile-badge--cat { background: rgba(255,255,255,0.1); color: rgba(255,255,255,0.8); }
.profile-hero h1 { font-family: var(--font-heading); font-size: clamp(1.8rem,3vw,2.6rem); font-weight: 800; margin-bottom: 6px; }
.profile-fullname { font-size: 0.95rem; color: rgba(255,255,255,0.65); margin-bottom: 14px; }
.profile-summary { font-size: 1rem; color: rgba(255,255,255,0.85); line-height: 1.7; max-width: 620px; }

.profile-quick-stats {
  background: rgba(255,255,255,0.1); backdrop-filter: blur(4px);
  border: 1px solid rgba(255,255,255,0.15); border-radius: var(--radius); padding: 20px;
}
.pqs-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.pqs-item { display: flex; flex-direction: column; gap: 2px; }
.pqs-label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; color: rgba(255,255,255,0.55); }
.pqs-value { font-size: 13px; font-weight: 600; color: #fff; }
.pqs-value--warn { color: #fbbf24; }
.pqs-value--ok   { color: #10b981; }

/* Profile layout */
.profile-layout { display: grid; grid-template-columns: 1fr 300px; gap: 40px; align-items: start; }
.profile-main { display: flex; flex-direction: column; gap: 0; }
.profile-block {
  padding: 32px 0; border-bottom: 1px solid var(--border);
}
.profile-block:last-child { border-bottom: none; }
.profile-block h2 { font-size: 1.3rem; font-weight: 700; margin-bottom: 16px; }
.profile-block p  { font-size: 0.93rem; color: var(--text-muted); line-height: 1.75; margin-bottom: 10px; }
.profile-block--protocol { background: #f8faff; padding: 28px; border-radius: var(--radius); border: 1px solid #dbeafe; margin: 8px 0; }
.profile-block-label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; color: #3b82f6; font-weight: 700; margin-bottom: 8px; }

.profile-studies { display: flex; flex-direction: column; gap: 16px; margin-top: 16px; }
.profile-study {
  background: var(--bg-gray); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 18px;
}
.profile-study-head { margin-bottom: 6px; }
.profile-study-journal { font-size: 12px; color: var(--accent-dark); font-weight: 600; }
.profile-study h4 { font-size: 0.9rem; font-weight: 700; margin-bottom: 8px; line-height: 1.4; }
.profile-study p  { font-size: 0.87rem; color: var(--text-muted); line-height: 1.6; margin: 0; }

.protocol-disclaimer {
  background: #fff8e7; border: 1px solid #fbbf24; border-radius: var(--radius-sm);
  padding: 10px 14px; font-size: 13px; margin-bottom: 16px;
}
.protocol-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 12px; }
.protocol-item { display: flex; flex-direction: column; gap: 4px; background: #fff; border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 12px; }
.protocol-label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-muted); }
.protocol-value { font-size: 13px; font-weight: 600; color: var(--text); }
.protocol-note  { font-size: 13px; color: var(--text-muted); line-height: 1.6; }

.profile-safety-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.profile-safety-col { background: var(--bg-gray); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 18px; }
.profile-safety-col h4 { font-size: 0.9rem; font-weight: 700; margin-bottom: 10px; }
.profile-safety-col ul { padding-left: 20px; list-style: disc; }
.profile-safety-col li { font-size: 0.87rem; color: var(--text-muted); margin-bottom: 5px; line-height: 1.5; }
.profile-safety-col--warn { border-color: #fca5a5; background: #fff5f5; }

.profile-stacks { display: flex; flex-direction: column; gap: 10px; }
.profile-stack-card {
  display: flex; align-items: center; gap: 12px; padding: 14px 18px;
  background: var(--bg-gray); border: 1px solid var(--border);
  border-radius: var(--radius-sm); transition: all 0.2s;
}
.profile-stack-card:hover { border-color: var(--accent); background: #f0fdf9; }
.profile-stack-name { font-weight: 700; font-size: 0.95rem; flex-shrink: 0; }
.profile-stack-reason { font-size: 0.87rem; color: var(--text-muted); }

.profile-block--sources { background: var(--bg-gray); padding: 24px; border-radius: var(--radius); }
.profile-sources { padding-left: 20px; }
.profile-sources li { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 8px; line-height: 1.5; }

/* Sidebar */
.profile-sidebar { display: flex; flex-direction: column; gap: 20px; position: sticky; top: 20px; }
.profile-sidebar-card {
  background: var(--bg-gray); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px;
}
.profile-sidebar-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 14px; }
.profile-sidebar-card--cta { background: var(--primary); color: #fff; }
.profile-sidebar-card--cta h3 { color: #fff; }
.profile-sidebar-card--cta p  { font-size: 13px; color: rgba(255,255,255,0.8); margin-bottom: 14px; }

.profile-ref-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.profile-ref-table td { padding: 8px 0; border-bottom: 1px solid var(--border); vertical-align: top; }
.profile-ref-table td:first-child { color: var(--text-muted); width: 40%; }
.profile-ref-table tr:last-child td { border-bottom: none; }

.profile-related { display: flex; flex-direction: column; gap: 4px; }
.profile-related li a { font-size: 14px; color: var(--accent-dark); font-weight: 500; }
.profile-related li a:hover { text-decoration: underline; }

/* Responsive */
@media (max-width: 1000px) {
  .profile-hero-inner { grid-template-columns: 1fr; gap: 24px; }
  .profile-layout { grid-template-columns: 1fr; }
  .profile-sidebar { position: static; }
}
@media (max-width: 768px) {
  .pqs-grid { grid-template-columns: repeat(3, 1fr); }
  .protocol-grid { grid-template-columns: repeat(2, 1fr); }
  .profile-safety-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .pqs-grid { grid-template-columns: repeat(2, 1fr); }
  .protocol-grid { grid-template-columns: 1fr; }
}

/* ── Mega menu ───────────────────────────────────────────────────── */
.nav-dropdown--mega { min-width: 700px; }
.dd-grid--4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }

/* ── Blend hero pills ────────────────────────────────────────────── */
.blend-hero-components { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.blend-hero-pill {
  display: inline-block; padding: 6px 14px; border-radius: 20px;
  font-size: 0.82rem; font-weight: 600; text-decoration: none;
  border: 1.5px solid rgba(255,255,255,0.4); background: rgba(255,255,255,0.15);
  color: #fff; transition: background 0.2s;
}
.blend-hero-pill:hover { background: rgba(255,255,255,0.3); }
.blend-hero-pill--green  { border-color: #4ade80; }
.blend-hero-pill--blue   { border-color: #60a5fa; }
.blend-hero-pill--purple { border-color: #c084fc; }
.blend-hero-pill--orange { border-color: #fb923c; }
.blend-hero-pill--teal   { border-color: #2dd4bf; }
.blend-hero-pill--red    { border-color: #f87171; }

/* Badge variant for blends */
.profile-badge--blend    { background: rgba(255,255,255,0.25); color: #fff; border: 1px solid rgba(255,255,255,0.4); }
.profile-badge--research { background: rgba(255,255,255,0.15); color: #fff; border: 1px solid rgba(255,255,255,0.3); }

/* ── Blend component cards ───────────────────────────────────────── */
.blend-components-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 14px; margin-top: 16px; }
.blend-component-card {
  display: flex; flex-direction: column; gap: 6px;
  padding: 16px 18px; border-radius: var(--radius-sm);
  border: 2px solid var(--border); background: #fff;
  text-decoration: none; transition: all 0.2s;
  border-left-width: 4px;
}
.blend-component-card:hover { transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,0,0,0.08); }
.blend-component-card--green  { border-left-color: #22c55e; }
.blend-component-card--blue   { border-left-color: #3b82f6; }
.blend-component-card--purple { border-left-color: #a855f7; }
.blend-component-card--orange { border-left-color: #f97316; }
.blend-component-card--teal   { border-left-color: #14b8a6; }
.blend-component-card--red    { border-left-color: #ef4444; }
.bcc-name  { font-size: 0.95rem; font-weight: 700; color: var(--text); }
.bcc-role  { font-size: 0.82rem; color: var(--text-muted); line-height: 1.4; flex: 1; }
.bcc-link  { font-size: 0.8rem; font-weight: 600; color: var(--accent-dark); margin-top: 6px; }

/* ── Blend protocol component cards ─────────────────────────────── */
.blend-protocol-components { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; margin-top: 16px; }
.blend-protocol-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; }
.bpc-header { background: var(--primary); color: #fff; padding: 10px 16px; font-size: 0.9rem; font-weight: 700; }
.bpc-body   { padding: 12px 16px; display: flex; flex-direction: column; gap: 8px; }
.bpc-row    { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; font-size: 0.85rem; border-bottom: 1px solid var(--border); padding-bottom: 6px; }
.bpc-row:last-child { border-bottom: none; padding-bottom: 0; }
.bpc-row span  { color: var(--text-muted); flex-shrink: 0; }
.bpc-row strong { color: var(--text); text-align: right; }

@media (max-width: 600px) {
  .blend-components-grid { grid-template-columns: 1fr; }
  .blend-protocol-components { grid-template-columns: 1fr; }
  .blend-hero-components { gap: 6px; }
}

/* ── Application Methods ─────────────────────────────────────────── */
.app-methods-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 20px; margin-top: 8px; }
.app-method-card {
  display: flex; flex-direction: column; gap: 10px;
  padding: 24px; border-radius: var(--radius); border: 2px solid var(--border);
  background: #fff; text-decoration: none; transition: all 0.2s;
  border-top-width: 4px;
}
.app-method-card:hover { transform: translateY(-3px); box-shadow: 0 8px 24px rgba(0,0,0,0.1); }
.app-method-card--blue   { border-top-color: #3b82f6; }
.app-method-card--purple { border-top-color: #a855f7; }
.app-method-card--teal   { border-top-color: #14b8a6; }
.app-method-card--orange { border-top-color: #f97316; }
.amc-icon    { font-size: 2rem; line-height: 1; }
.amc-abbr    { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-muted); }
.amc-name    { font-size: 1.05rem; font-weight: 700; color: var(--text); margin: 0; }
.amc-tagline { font-size: 0.85rem; color: var(--text-muted); line-height: 1.5; flex: 1; }
.amc-stats   { display: flex; flex-direction: column; gap: 6px; background: var(--bg-gray); border-radius: var(--radius-sm); padding: 12px; }
.amc-stat    { display: flex; justify-content: space-between; font-size: 0.82rem; }
.amc-stat span  { color: var(--text-muted); }
.amc-stat strong { color: var(--text); font-weight: 600; }
.amc-link    { font-size: 0.85rem; font-weight: 600; color: var(--accent-dark); }

/* Comparison table */
.app-compare-table-wrap { overflow-x: auto; }
.app-compare-table { width: 100%; border-collapse: collapse; font-size: 0.87rem; }
.app-compare-table th { background: var(--primary); color: #fff; padding: 10px 14px; text-align: left; font-weight: 600; font-size: 0.82rem; }
.app-compare-table td { padding: 10px 14px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.app-compare-table tr:last-child td { border-bottom: none; }
.app-compare-table tr:hover td { background: var(--bg-gray); }
.app-compare-name { font-weight: 600; color: var(--accent-dark); white-space: nowrap; }
.app-compare-abbr { font-weight: 400; color: var(--text-muted); }
.app-compare-pill { display: inline-block; padding: 2px 8px; background: #f0fdf9; border: 1px solid #a7f3d0; border-radius: 10px; font-size: 0.75rem; color: var(--accent-dark); margin: 2px 2px 2px 0; white-space: nowrap; }

/* Equipment grid */
.app-equipment-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; margin-top: 12px; }
.app-equipment-item { background: var(--bg-gray); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 14px; }
.aei-item { font-weight: 700; font-size: 0.9rem; color: var(--text); margin-bottom: 4px; }
.aei-spec { font-size: 0.82rem; color: var(--text-muted); line-height: 1.4; }

/* Sites list */
.app-sites-list { display: flex; flex-direction: column; gap: 10px; margin-top: 12px; }
.app-site-item { display: flex; gap: 14px; padding: 14px 16px; background: var(--bg-gray); border: 1px solid var(--border); border-radius: var(--radius-sm); align-items: flex-start; }
.asi-name   { font-weight: 700; font-size: 0.9rem; min-width: 140px; flex-shrink: 0; color: var(--text); }
.asi-detail { font-size: 0.85rem; color: var(--text-muted); line-height: 1.5; }

/* Step-by-step */
.app-steps { display: flex; flex-direction: column; gap: 12px; margin-top: 16px; }
.app-step  { display: flex; gap: 16px; align-items: flex-start; }
.app-step-num {
  flex-shrink: 0; width: 34px; height: 34px; border-radius: 50%;
  background: var(--primary); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.9rem;
}
.app-step-title { font-weight: 700; font-size: 0.95rem; color: var(--text); margin-bottom: 4px; }
.app-step-desc  { font-size: 0.87rem; color: var(--text-muted); line-height: 1.6; margin: 0; }

@media (max-width: 768px) {
  .app-methods-grid { grid-template-columns: repeat(2, 1fr); }
  .asi-name { min-width: 100px; }
}
@media (max-width: 520px) {
  .app-methods-grid { grid-template-columns: 1fr; }
  .app-site-item { flex-direction: column; gap: 6px; }
  .app-compare-table { font-size: 0.78rem; }
  .app-compare-table th, .app-compare-table td { padding: 8px 10px; }
}

/* ── Research Intelligence Section (homepage) ────────────────────── */
.ri-section { background: #fff; padding: 80px 0; }

.ri-header { text-align: center; max-width: 660px; margin: 0 auto 52px; }
.ri-eyebrow {
  display: inline-block; font-size: 0.75rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--accent-dark); background: #f0fdf9;
  border: 1px solid #a7f3d0; border-radius: 20px; padding: 5px 16px;
  margin-bottom: 18px;
}
.ri-title {
  font-size: clamp(1.8rem, 4vw, 2.4rem); font-weight: 800;
  font-family: var(--font-heading); color: var(--primary);
  margin: 0 0 14px; line-height: 1.2;
}
.ri-sub { font-size: 1rem; color: var(--text-muted); line-height: 1.7; margin: 0; }

.ri-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 44px; }

.ri-card {
  position: relative; display: flex; flex-direction: column;
  padding: 28px 28px 24px;
  background: var(--bg-gray); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
  text-decoration: none; transition: transform 0.22s, box-shadow 0.22s, border-color 0.22s;
}
.ri-card:hover { transform: translateY(-5px); box-shadow: 0 16px 40px rgba(0,0,0,0.09); border-color: transparent; }
.ri-card:nth-child(1) { border-top: 4px solid #3b82f6; }
.ri-card:nth-child(2) { border-top: 4px solid #8b5cf6; }
.ri-card:nth-child(3) { border-top: 4px solid #14b8a6; }
.ri-card:nth-child(4) { border-top: 4px solid #f97316; }

.ri-card-num {
  position: absolute; top: 16px; right: 22px;
  font-size: 4rem; font-weight: 900; line-height: 1;
  font-family: var(--font-heading); user-select: none; pointer-events: none;
}
.ri-card-num--1 { color: #3b82f6; opacity: 0.08; }
.ri-card-num--2 { color: #8b5cf6; opacity: 0.08; }
.ri-card-num--3 { color: #14b8a6; opacity: 0.08; }
.ri-card-num--4 { color: #f97316; opacity: 0.08; }

.ri-card-body  { display: flex; flex-direction: column; gap: 10px; flex: 1; }
.ri-card-icon  { font-size: 2.2rem; line-height: 1; }
.ri-card h3    { font-size: 1.08rem; font-weight: 800; color: var(--primary); margin: 0; font-family: var(--font-heading); }
.ri-card p     { font-size: 0.875rem; color: var(--text-muted); line-height: 1.7; margin: 0; flex: 1; }
.ri-card-link  { display: inline-block; font-size: 0.84rem; font-weight: 700; color: var(--accent-dark); margin-top: 6px; }
.ri-card:hover .ri-card-link { text-decoration: underline; }

.ri-cta-row { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.ri-btn-ghost {
  display: inline-flex; align-items: center;
  border: 2px solid var(--border); color: var(--text); background: #fff;
  font-family: var(--font); font-weight: 600; font-size: 0.9rem;
  padding: 10px 24px; border-radius: var(--radius); text-decoration: none;
  transition: border-color 0.2s, color 0.2s;
}
.ri-btn-ghost:hover { border-color: var(--accent-dark); color: var(--accent-dark); }

@media (max-width: 700px) {
  .ri-grid { grid-template-columns: 1fr; }
  .ri-section { padding: 56px 0; }
  .ri-card-num { font-size: 3rem; }
}
@media (max-width: 480px) {
  .ri-header { margin-bottom: 36px; }
}

/* ── Testimonials Marquee ─────────────────────────────────────────── */
.reviews-section { padding: 72px 0; background: var(--primary); overflow: hidden; }
.reviews-header  { text-align: center; margin-bottom: 40px; padding: 0 20px; }
.reviews-header .ri-eyebrow { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.2); color: rgba(255,255,255,0.85); }
.reviews-header h2 { font-size: clamp(1.5rem, 3.5vw, 2.1rem); font-weight: 800; font-family: var(--font-heading); color: #fff; margin: 12px 0 0; }

.reviews-track-wrap {
  position: relative;
  /* fade edges */
  -webkit-mask-image: linear-gradient(to right, transparent 0%, #000 8%, #000 92%, transparent 100%);
  mask-image: linear-gradient(to right, transparent 0%, #000 8%, #000 92%, transparent 100%);
}
.reviews-track-wrap:hover .reviews-track { animation-play-state: paused; }

.reviews-track {
  display: flex; gap: 20px;
  width: max-content;
  animation: marquee-scroll 48s linear infinite;
}

@keyframes marquee-scroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.review-card {
  flex-shrink: 0; width: 320px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius); padding: 24px;
  backdrop-filter: blur(8px);
  display: flex; flex-direction: column; gap: 14px;
}

.review-stars { color: #fbbf24; font-size: 0.95rem; letter-spacing: 2px; }

.review-text {
  font-size: 0.9rem; color: rgba(255,255,255,0.88);
  line-height: 1.7; margin: 0; flex: 1;
  font-style: italic;
}

.review-author { display: flex; align-items: center; gap: 12px; }
.review-avatar {
  flex-shrink: 0; width: 38px; height: 38px; border-radius: 50%;
  background: var(--accent); color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.75rem; font-weight: 800; letter-spacing: 0.02em;
}
.review-name     { font-size: 0.88rem; font-weight: 700; color: #fff; }
.review-location { font-size: 0.78rem; color: rgba(255,255,255,0.5); margin-top: 2px; }

@media (prefers-reduced-motion: reduce) {
  .reviews-track { animation: none; }
  .reviews-track-wrap { overflow-x: auto; -webkit-mask-image: none; mask-image: none; }
}
@media (max-width: 600px) {
  .review-card { width: 275px; }
  .reviews-section { padding: 52px 0; }
}

/* ─── Calculator Hub ────────────────────────────────────────────────────────── */
.calc-hub-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.calc-hub-grid--sm {
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.calc-hub-card {
  display: flex; align-items: center; gap: 14px;
  padding: 18px 16px;
  border-radius: var(--radius);
  text-decoration: none;
  background: #fff;
  border: 1.5px solid var(--border);
  transition: box-shadow 0.18s, border-color 0.18s, transform 0.18s;
  color: var(--text);
}
.calc-hub-card:hover {
  box-shadow: 0 6px 24px rgba(0,0,0,0.09);
  transform: translateY(-2px);
}
.chc-icon { font-size: 1.7rem; flex-shrink: 0; line-height: 1; }
.chc-body { flex: 1; min-width: 0; }
.chc-name { font-size: 0.88rem; font-weight: 700; color: var(--primary); line-height: 1.3; }
.chc-desc { font-size: 0.77rem; color: var(--text-muted); margin-top: 3px; line-height: 1.4; }
.chc-arrow { font-size: 1.1rem; color: var(--text-muted); flex-shrink: 0; }

/* Color accent variants */
.calc-hub-card--blue   { border-color: #bfdbfe; } .calc-hub-card--blue:hover   { border-color: #3b82f6; }
.calc-hub-card--green  { border-color: #bbf7d0; } .calc-hub-card--green:hover  { border-color: #22c55e; }
.calc-hub-card--purple { border-color: #e9d5ff; } .calc-hub-card--purple:hover { border-color: #a855f7; }
.calc-hub-card--orange { border-color: #fed7aa; } .calc-hub-card--orange:hover { border-color: #f97316; }
.calc-hub-card--teal   { border-color: #99f6e4; } .calc-hub-card--teal:hover   { border-color: #14b8a6; }
.calc-hub-card--red    { border-color: #fecaca; } .calc-hub-card--red:hover    { border-color: #ef4444; }
.calc-hub-card--navy   { border-color: #c7d2fe; } .calc-hub-card--navy:hover   { border-color: #6366f1; }
.calc-hub-card--slate  { border-color: #cbd5e1; } .calc-hub-card--slate:hover  { border-color: #64748b; }
.calc-hub-card--rose    { border-color: #fecdd3; } .calc-hub-card--rose:hover    { border-color: #f43f5e; }
.calc-hub-card--emerald { border-color: #6ee7b7; } .calc-hub-card--emerald:hover { border-color: #10b981; }

/* ── Shared Calculator Step Components ──────────────────────────────────── */
.cstep-card { background: #fff; border: 1px solid var(--border); border-radius: 14px; padding: 24px; margin-bottom: 16px; }
.cstep-hdr { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.cstep-hdr h3 { font-family: var(--font-heading); font-size: 1rem; font-weight: 700; color: var(--primary); margin: 0; }
.cstep-num { width: 28px; height: 28px; background: var(--accent); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 0.85rem; flex-shrink: 0; }

.cpill-group { display: flex; flex-wrap: wrap; gap: 8px; }
.cpill { padding: 7px 16px; border: 1.5px solid var(--border); border-radius: 100px; background: #fff; color: var(--text); font-size: 0.88rem; font-weight: 600; cursor: pointer; transition: border-color .15s, background .15s, color .15s; }
.cpill:hover { border-color: var(--accent); }
.cpill.active { border-color: var(--accent); background: rgba(0,200,150,.08); color: #00a67e; }

.cother-wrap { display: none; margin-top: 14px; align-items: center; gap: 10px; }
.cother-wrap.visible { display: flex !important; }
.cother-label { font-size: .85rem; color: var(--text-muted); white-space: nowrap; }
.cother-wrap input { width: 120px; padding: 7px 10px; border: 1.5px solid var(--border); border-radius: 8px; font-size: .9rem; color: var(--text); background: #fff; outline: none; transition: border-color .15s; }
.cother-wrap input:focus { border-color: var(--accent); }

.csyr-cards { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; }
.csyr-btn { background: var(--bg-gray); border: 2px solid var(--border); border-radius: 10px; padding: 14px 10px 12px; cursor: pointer; display: flex; flex-direction: column; align-items: center; gap: 6px; transition: border-color .18s, background .18s, box-shadow .18s; color: var(--text); }
.csyr-btn:hover { border-color: var(--accent); }
.csyr-btn.active { border-color: var(--accent); background: rgba(0,200,150,.06); box-shadow: 0 0 0 3px rgba(0,200,150,.12); }
.csyr-svg { width: 70px; height: 26px; color: var(--text-muted); }
.csyr-btn.active .csyr-svg { color: var(--accent); }
.csyr-vol { font-weight: 700; font-size: .95rem; color: var(--primary); }
.csyr-sub { font-size: 11px; color: var(--text-muted); }

.c2row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.cresults-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; margin-bottom: 20px; }
.cresults-4 { display: grid; grid-template-columns: repeat(2,1fr); gap: 16px; margin-bottom: 20px; }
@media (min-width: 640px) { .cresults-4 { grid-template-columns: repeat(4,1fr); } }
.cresult-card { background: #fff; border: 1.5px solid var(--border); border-radius: 12px; padding: 20px 18px; text-align: center; }
.cresult-label { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--text-muted); margin-bottom: 8px; }
.cresult-val { font-family: var(--font-heading); font-size: 2.4rem; font-weight: 800; color: var(--accent); line-height: 1; }
.cresult-unit { font-size: 12px; color: var(--text-muted); margin-top: 4px; }
.cresult-sub { font-size: 12px; color: var(--text-muted); margin-top: 6px; }

.cdraw-card { background: var(--bg-gray); border: 1px solid var(--border); border-radius: 12px; padding: 22px 24px; margin-bottom: 20px; }
.cdraw-label { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--text-muted); margin-bottom: 8px; }
.cdraw-text { font-size: .93rem; color: var(--text); line-height: 1.6; margin-bottom: 16px; }
.cslider-wrap { padding: 4px 0 8px; }
.cslider-track { position: relative; height: 10px; background: #e2e8f0; border-radius: 100px; overflow: visible; }
.cslider-fill { position: absolute; top: 0; left: 0; height: 100%; background: var(--accent); border-radius: 100px; transition: width .3s ease; }
.cslider-thumb { position: absolute; top: 50%; transform: translate(-50%,-50%); width: 20px; height: 20px; background: var(--accent); border: 3px solid #fff; border-radius: 50%; box-shadow: 0 0 0 3px rgba(0,200,150,.2); transition: left .3s ease; }
.cslider-ticks { display: flex; justify-content: space-between; font-size: 11px; color: var(--text-muted); margin-top: 8px; }

.ccopy-bar { display: flex; align-items: center; justify-content: space-between; background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 14px 18px; margin-bottom: 32px; gap: 12px; font-size: .88rem; color: var(--text-muted); flex-wrap: wrap; }
.cbtn-copy { padding: 8px 20px; background: var(--accent); color: #fff; border: none; border-radius: 8px; font-weight: 700; font-size: .9rem; cursor: pointer; white-space: nowrap; transition: opacity .18s; }
.cbtn-copy:hover { opacity: .85; }

@media (max-width: 768px) {
  .c2row { grid-template-columns: 1fr; }
  .cresults-3 { grid-template-columns: 1fr; }
  .csyr-cards { grid-template-columns: repeat(3,1fr); }
  .cresult-val { font-size: 1.9rem; }
}
@media (max-width: 480px) { .csyr-cards { grid-template-columns: 1fr; } }

/* ── Hub card colors: new ──────────────────────────────────────────────── */
.calc-hub-card--indigo { border-color: #c7d2fe; } .calc-hub-card--indigo:hover { border-color: #6366f1; }
.calc-hub-card--cyan   { border-color: #a5f3fc; } .calc-hub-card--cyan:hover   { border-color: #06b6d4; }
.calc-hub-card--lime   { border-color: #d9f99d; } .calc-hub-card--lime:hover   { border-color: #65a30d; }
.calc-hub-card--sky    { border-color: #bae6fd; } .calc-hub-card--sky:hover    { border-color: #0284c7; }
.calc-hub-card--violet { border-color: #ddd6fe; } .calc-hub-card--violet:hover { border-color: #7c3aed; }
.calc-hub-card--amber  { border-color: #fde68a; } .calc-hub-card--amber:hover  { border-color: #d97706; }

/* ── Tirzepatide: 6-phase grid ───────────────────────────────────────────── */
.tz-phase-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; }
@media (max-width: 600px) { .tz-phase-grid { grid-template-columns: repeat(2,1fr); } }
.tz-phase-card { background: var(--bg-gray); border: 2px solid var(--border); border-radius: 10px; padding: 14px 12px; cursor: pointer; text-align: left; transition: border-color .18s, background .18s, box-shadow .18s; }
.tz-phase-card:hover { border-color: var(--accent); }
.tz-phase-card.active { border-color: var(--accent); background: rgba(0,200,150,.06); box-shadow: 0 0 0 3px rgba(0,200,150,.12); }
.tz-phase-badge { display: inline-block; padding: 2px 9px; border-radius: 20px; font-size: 10px; font-weight: 700; letter-spacing: .5px; text-transform: uppercase; margin-bottom: 6px; }
.tz-phase-badge--1 { background: #dcfce7; color: #15803d; }
.tz-phase-badge--2 { background: #d9f99d; color: #4d7c0f; }
.tz-phase-badge--3 { background: #fef9c3; color: #a16207; }
.tz-phase-badge--4 { background: #ffedd5; color: #c2410c; }
.tz-phase-badge--5 { background: #fee2e2; color: #b91c1c; }
.tz-phase-badge--6 { background: #fecaca; color: #991b1b; }
.tz-phase-weeks { font-size: 11px; color: var(--text-muted); margin-bottom: 4px; }
.tz-phase-dose { font-family: var(--font-heading); font-size: 1.2rem; font-weight: 800; color: var(--primary); line-height: 1.1; }
.tz-phase-dose span { font-size: 11px; font-weight: 500; color: var(--text-muted); }
.tz-phase-note { font-size: 10px; color: var(--text-muted); margin-top: 4px; }

/* ── BPC-157: frequency selector ─────────────────────────────────────────── */
.bpc-freq-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 10px; }
@media (max-width: 640px) { .bpc-freq-grid { grid-template-columns: repeat(2,1fr); } }
.bpc-freq-card { background: var(--bg-gray); border: 2px solid var(--border); border-radius: 10px; padding: 16px 12px; cursor: pointer; text-align: center; transition: border-color .18s, background .18s, box-shadow .18s; }
.bpc-freq-card:hover { border-color: var(--accent); }
.bpc-freq-card.active { border-color: var(--accent); background: rgba(0,200,150,.06); box-shadow: 0 0 0 3px rgba(0,200,150,.12); }
.bpc-freq-icon { font-size: 1.5rem; margin-bottom: 6px; }
.bpc-freq-label { font-weight: 700; font-size: .9rem; color: var(--primary); margin-bottom: 4px; }
.bpc-freq-note { font-size: 11px; color: var(--text-muted); line-height: 1.4; }

.bpc-results { display: grid; grid-template-columns: repeat(5,1fr); gap: 12px; margin-bottom: 20px; }
@media (max-width: 900px) { .bpc-results { grid-template-columns: repeat(3,1fr); } }
@media (max-width: 520px) { .bpc-results { grid-template-columns: repeat(2,1fr); } }

/* ── TB-500: phase cards ──────────────────────────────────────────────────── */
.tb-phase-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.tb-phase-card { background: var(--bg-gray); border: 2px solid var(--border); border-radius: 10px; padding: 18px 16px; cursor: pointer; text-align: left; transition: border-color .18s, background .18s, box-shadow .18s; }
.tb-phase-card:hover { border-color: var(--accent); }
.tb-phase-card.active { border-color: var(--accent); background: rgba(0,200,150,.06); box-shadow: 0 0 0 3px rgba(0,200,150,.12); }
.tb-phase-icon { font-size: 1.6rem; margin-bottom: 8px; }
.tb-phase-label { font-family: var(--font-heading); font-size: 1.05rem; font-weight: 700; color: var(--primary); margin-bottom: 2px; }
.tb-phase-range { font-size: 12px; color: var(--text-muted); margin-bottom: 6px; }
.tb-phase-note { font-size: 12.5px; color: var(--text); line-height: 1.5; }

/* ── BAC Optimizer: sensitivity table highlight ──────────────────────────── */
.bac-row-highlight td { background: rgba(0,200,150,.08) !important; font-weight: 600; }
.bac-accuracy-good { color: #16a34a; font-weight: 600; }
.bac-accuracy-ok { color: #a16207; }
.bac-accuracy-poor { color: #b91c1c; }

/* ── Half-Life Tracker ───────────────────────────────────────────────────── */
.hl-select-wrap { display: flex; flex-direction: column; gap: 12px; }
.hl-select { width: 100%; max-width: 400px; padding: 10px 14px; border: 1.5px solid var(--border); border-radius: 10px; font-size: .95rem; color: var(--text); background: #fff; outline: none; cursor: pointer; transition: border-color .15s; }
.hl-select:focus { border-color: var(--accent); }
.hl-peptide-info { display: flex; flex-wrap: wrap; gap: 14px; padding: 12px 16px; background: var(--bg-gray); border-radius: 8px; font-size: .85rem; color: var(--text-muted); }
.hl-peptide-info strong { color: var(--primary); }
.hl-info-note { flex-basis: 100%; font-size: .82rem; line-height: 1.5; }

.hl-hours-wrap { display: flex; flex-direction: column; gap: 10px; }
.hl-hours-input-row { display: flex; align-items: center; gap: 10px; }
.hl-hours-input { width: 100px; padding: 10px 14px; border: 1.5px solid var(--border); border-radius: 10px; font-size: 1.1rem; font-weight: 700; color: var(--primary); background: #fff; outline: none; transition: border-color .15s; }
.hl-hours-input:focus { border-color: var(--accent); }
.hl-hours-unit { font-size: .9rem; color: var(--text-muted); }
.hl-slider { width: 100%; accent-color: var(--accent); cursor: pointer; }
.hl-slider-labels { display: flex; justify-content: space-between; font-size: 11px; color: var(--text-muted); }

.hl-results { display: flex; flex-direction: column; gap: 16px; margin-bottom: 20px; }
.hl-gauge-card { background: #fff; border: 1.5px solid var(--border); border-radius: 14px; padding: 28px 24px; display: flex; flex-direction: column; align-items: center; gap: 12px; }
.hl-gauge-label { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--text-muted); }
.hl-gauge-ring { position: relative; width: 140px; height: 140px; }
.hl-gauge-svg { width: 100%; height: 100%; }
.hl-gauge-pct { position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); font-family: var(--font-heading); font-size: 1.8rem; font-weight: 800; color: var(--accent); }
.hl-gauge-sub { font-size: .85rem; color: var(--text-muted); text-align: center; }

.hl-metrics { display: grid; grid-template-columns: repeat(4,1fr); gap: 12px; }
@media (max-width: 640px) { .hl-metrics { grid-template-columns: repeat(2,1fr); } }
.hl-metric-card { background: #fff; border: 1.5px solid var(--border); border-radius: 12px; padding: 18px 14px; text-align: center; }
.hl-metric-label { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--text-muted); margin-bottom: 6px; }
.hl-metric-val { font-family: var(--font-heading); font-size: 2rem; font-weight: 800; color: var(--accent); line-height: 1; }
.hl-metric-unit { font-size: 12px; color: var(--text-muted); margin-top: 4px; }
.hl-metric-sub { font-size: 11px; color: var(--text-muted); margin-top: 4px; }

.hl-timeline-card { background: var(--bg-gray); border: 1px solid var(--border); border-radius: 12px; padding: 20px 24px; }
.hl-timeline-label { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--text-muted); margin-bottom: 12px; }
.hl-timeline-track { position: relative; height: 12px; background: #e2e8f0; border-radius: 100px; margin-bottom: 8px; }
.hl-timeline-fill { position: absolute; right: 0; top: 0; height: 100%; background: linear-gradient(to left, var(--accent), #6ee7b7); border-radius: 100px; transition: width .4s ease; }
.hl-timeline-cursor { position: absolute; top: 50%; transform: translate(-50%,-50%); width: 18px; height: 18px; background: var(--primary); border: 3px solid #fff; border-radius: 50%; box-shadow: 0 2px 6px rgba(0,0,0,.15); transition: left .4s ease; }
.hl-timeline-markers { display: flex; justify-content: space-between; font-size: 11px; color: var(--text-muted); }
.hl-timeline-milestones { margin-top: 12px; display: flex; flex-wrap: wrap; gap: 8px; }
.hl-milestone { font-size: 11.5px; padding: 3px 10px; border-radius: 100px; background: #fff; border: 1px solid var(--border); color: var(--text-muted); }

.hl-empty-state { text-align: center; padding: 60px 20px; color: var(--text-muted); }
.hl-empty-icon { font-size: 3rem; margin-bottom: 12px; }

/* ── Stack Compatibility Checker ─────────────────────────────────────────── */
.sc-selectors { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; align-items: center; gap: 0; margin-bottom: 24px; }
@media (max-width: 768px) { .sc-selectors { grid-template-columns: 1fr; } .sc-plus { text-align: center; padding: 8px 0; } }
.sc-selector-card { margin-bottom: 0; }
.sc-plus { font-size: 1.8rem; font-weight: 300; color: var(--border); padding: 0 12px; text-align: center; }
.sc-plus--optional { color: #e2e8f0; }
.sc-select { width: 100%; padding: 10px 14px; border: 1.5px solid var(--border); border-radius: 10px; font-size: .92rem; color: var(--text); background: #fff; outline: none; cursor: pointer; transition: border-color .15s; }
.sc-select:focus { border-color: var(--accent); }

.sc-results-title { font-family: var(--font-heading); font-size: 1.1rem; font-weight: 700; color: var(--primary); margin-bottom: 16px; }
.sc-results-grid { display: flex; flex-direction: column; gap: 14px; margin-bottom: 32px; }
.sc-compat-card { background: #fff; border: 1.5px solid var(--border); border-radius: 12px; padding: 20px; border-left: 5px solid var(--border); }
.sc-compat-card--synergistic { border-left-color: #16a34a; }
.sc-compat-card--beneficial  { border-left-color: #0284c7; }
.sc-compat-card--neutral     { border-left-color: #94a3b8; }
.sc-compat-card--caution     { border-left-color: #d97706; }
.sc-compat-card--avoid       { border-left-color: #dc2626; }
.sc-compat-header { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.sc-compat-pair { font-family: var(--font-heading); font-size: 1rem; font-weight: 700; color: var(--primary); }
.sc-badge { display: inline-block; padding: 2px 12px; border-radius: 100px; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .5px; white-space: nowrap; }
.sc-badge--synergistic { background: #dcfce7; color: #16a34a; }
.sc-badge--beneficial  { background: #dbeafe; color: #1d4ed8; }
.sc-badge--neutral     { background: #f1f5f9; color: #64748b; }
.sc-badge--caution     { background: #fef3c7; color: #d97706; }
.sc-badge--avoid       { background: #fee2e2; color: #dc2626; }
.sc-mechanism { font-size: .85rem; font-style: italic; color: var(--text-muted); margin-bottom: 8px; line-height: 1.5; }
.sc-notes { font-size: .88rem; color: var(--text); line-height: 1.6; }
.sc-no-data { background: var(--bg-gray); border-radius: 10px; padding: 16px 20px; font-size: .88rem; color: var(--text-muted); }

.sc-legend { background: var(--bg-gray); border-radius: 12px; padding: 20px; margin-bottom: 32px; }
.sc-legend-title { font-weight: 700; font-size: .9rem; color: var(--primary); margin-bottom: 12px; }
.sc-legend-grid { display: flex; flex-direction: column; gap: 8px; }
.sc-legend-item { display: flex; align-items: center; gap: 10px; font-size: .85rem; color: var(--text-muted); }

.sc-empty-state { text-align: center; padding: 60px 20px; color: var(--text-muted); }
.sc-empty-icon { font-size: 3rem; margin-bottom: 12px; }

/* ── Injection Calendar ───────────────────────────────────────────────────── */
.cal-toolbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; flex-wrap: wrap; gap: 10px; }
.cal-toolbar-left, .cal-toolbar-right { display: flex; align-items: center; gap: 8px; }
.cal-week-label { font-weight: 700; font-size: .95rem; color: var(--primary); padding: 0 8px; }
.cal-btn { padding: 7px 16px; border-radius: 8px; font-size: .85rem; font-weight: 600; cursor: pointer; border: 1.5px solid var(--border); background: #fff; color: var(--text); transition: all .15s; }
.cal-btn:hover { border-color: var(--accent); }
.cal-btn--primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.cal-btn--primary:hover { opacity: .88; }
.cal-btn--outline { background: #fff; }

.cal-grid { display: grid; grid-template-columns: repeat(7,1fr); gap: 8px; margin-bottom: 24px; }
@media (max-width: 768px) { .cal-grid { grid-template-columns: repeat(3,1fr); } }
@media (max-width: 480px) { .cal-grid { grid-template-columns: 1fr 1fr; } }

.cal-day { background: #fff; border: 1.5px solid var(--border); border-radius: 12px; padding: 12px; min-height: 140px; display: flex; flex-direction: column; }
.cal-day--today { border-color: var(--accent); }
.cal-day-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.cal-day-name { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: var(--text-muted); }
.cal-day-date { font-size: 11px; color: var(--text-muted); }
.cal-day--today .cal-day-name { color: var(--accent); }
.cal-entries { display: flex; flex-direction: column; gap: 4px; flex: 1; }
.cal-entry { background: rgba(0,200,150,.1); border: 1px solid rgba(0,200,150,.3); border-radius: 6px; padding: 4px 7px; font-size: 11px; color: var(--primary); display: flex; justify-content: space-between; align-items: flex-start; gap: 4px; line-height: 1.4; }
.cal-entry-info { flex: 1; }
.cal-entry-name { font-weight: 700; display: block; }
.cal-entry-meta { color: var(--text-muted); display: block; }
.cal-entry-del { color: var(--text-muted); background: none; border: none; cursor: pointer; font-size: 14px; padding: 0; line-height: 1; flex-shrink: 0; }
.cal-entry-del:hover { color: #dc2626; }
.cal-add-btn { margin-top: 6px; width: 100%; padding: 5px; background: none; border: 1.5px dashed var(--border); border-radius: 6px; font-size: 12px; color: var(--text-muted); cursor: pointer; transition: all .15s; }
.cal-add-btn:hover { border-color: var(--accent); color: var(--accent); }

.cal-modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.45); z-index: 1000; display: flex; align-items: center; justify-content: center; padding: 16px; }
.cal-modal { background: #fff; border-radius: 14px; padding: 28px; width: 100%; max-width: 480px; box-shadow: 0 20px 60px rgba(0,0,0,.2); }
.cal-modal-hdr { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.cal-modal-hdr h3 { font-family: var(--font-heading); font-size: 1.1rem; font-weight: 700; color: var(--primary); margin: 0; }
.cal-modal-close { background: none; border: none; font-size: 1.4rem; cursor: pointer; color: var(--text-muted); padding: 0; line-height: 1; }
.cal-modal-body { display: flex; flex-direction: column; gap: 14px; }
.cal-field { display: flex; flex-direction: column; gap: 5px; }
.cal-field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.cal-label { font-size: .82rem; font-weight: 600; color: var(--text-muted); }
.cal-input { padding: 8px 12px; border: 1.5px solid var(--border); border-radius: 8px; font-size: .9rem; color: var(--text); background: #fff; outline: none; transition: border-color .15s; }
.cal-input:focus { border-color: var(--accent); }
.cal-select { padding: 8px 12px; border: 1.5px solid var(--border); border-radius: 8px; font-size: .9rem; color: var(--text); background: #fff; outline: none; cursor: pointer; transition: border-color .15s; }
.cal-select:focus { border-color: var(--accent); }
.cal-select--sm { width: 80px; flex-shrink: 0; }
.cal-dose-wrap { display: flex; gap: 6px; }
.cal-modal-footer { display: flex; justify-content: flex-end; gap: 10px; margin-top: 20px; }

.cal-tips-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; margin-top: 16px; }
@media (max-width: 768px) { .cal-tips-grid { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 480px) { .cal-tips-grid { grid-template-columns: 1fr; } }
.cal-tip-card { background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 16px; }
.cal-tip-icon { font-size: 1.4rem; margin-bottom: 8px; }
.cal-tip-card h4 { font-family: var(--font-heading); font-size: .88rem; font-weight: 700; color: var(--primary); margin: 0 0 6px; }
.cal-tip-card p { font-size: .82rem; color: var(--text-muted); line-height: 1.5; margin: 0; }

@media print {
  .no-print { display: none !important; }
  .cal-grid { gap: 4px; }
  .cal-day { border-color: #ccc; min-height: 80px; }
  .cal-add-btn { display: none; }
  .cal-print-legend { display: block !important; padding: 12px 0; border-top: 1px solid #ccc; font-size: 12px; color: #666; margin-top: 16px; }
}
.cal-print-legend { display: none; }
.print-only { display: none; }

/* ── Retatrutide Calculator ─────────────────────────────────────────────── */
.rt-step-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
  margin-bottom: 16px;
}
.rt-step-hdr {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
}
.rt-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-weight: 800;
  font-size: 0.85rem;
  flex-shrink: 0;
}
.rt-step-hdr h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin: 0;
}
.rt-syringe-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.rt-syringe-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 20px 12px 16px;
  background: var(--bg-gray);
  border: 2px solid var(--border);
  border-radius: 12px;
  cursor: pointer;
  color: var(--text-muted);
  transition: border-color 0.18s, background 0.18s, color 0.18s;
}
.rt-syringe-btn.active,
.rt-syringe-btn:hover {
  border-color: var(--accent);
  background: rgba(0,200,150,0.06);
  color: var(--accent);
}
.rt-syringe-svg {
  width: 72px;
  height: 28px;
  opacity: 0.7;
}
.rt-syringe-btn.active .rt-syringe-svg,
.rt-syringe-btn:hover .rt-syringe-svg { opacity: 1; }
.rt-syringe-vol {
  font-size: 1.5rem;
  font-weight: 800;
  font-family: var(--font-heading);
  color: inherit;
  line-height: 1;
}
.rt-syringe-sub {
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.03em;
}
.rt-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.rt-pill-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.rt-pill {
  padding: 8px 18px;
  border: 2px solid var(--border);
  border-radius: 8px;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.88rem;
  font-weight: 500;
  transition: border-color 0.18s, background 0.18s, color 0.18s;
}
.rt-pill.active,
.rt-pill:hover {
  border-color: var(--accent);
  background: rgba(0,200,150,0.08);
  color: var(--accent-dark);
}
.rt-other-wrap {
  display: none;
  margin-top: 14px;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}
.rt-other-wrap.visible { display: flex !important; }
.rt-other-label {
  font-size: 0.82rem;
  color: var(--text-muted);
}
.rt-other-wrap input {
  background: #fff;
  border: 2px solid var(--accent);
  border-radius: 8px;
  color: var(--text);
  font-size: 0.95rem;
  padding: 7px 14px;
  width: 150px;
  outline: none;
}
.rt-results {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 16px;
}
.rt-result-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px 20px 20px;
  text-align: center;
}
.rt-result-label {
  font-size: 0.67rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 10px;
}
.rt-result-val {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--accent);
  font-family: var(--font-heading);
  line-height: 1;
}
.rt-result-unit {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 4px;
  letter-spacing: 0.04em;
}
.rt-result-sub {
  font-size: 0.73rem;
  color: var(--text-muted);
  margin-top: 6px;
}
.rt-draw-card {
  background: var(--bg-gray);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
  margin-bottom: 16px;
}
.rt-draw-label {
  font-size: 0.67rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 10px;
}
.rt-draw-text {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text);
  margin-bottom: 20px;
}
.rt-draw-text strong { color: var(--accent); }
.rt-slider-wrap { padding-bottom: 4px; }
.rt-slider-track {
  height: 8px;
  background: #e2e8f0;
  border-radius: 999px;
  position: relative;
  overflow: visible;
  margin-bottom: 10px;
}
.rt-slider-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 999px;
  transition: width 0.25s ease;
  max-width: 100%;
}
.rt-slider-thumb {
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 22px;
  height: 22px;
  background: var(--accent);
  border: 3px solid #fff;
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(0,200,150,0.2);
  transition: left 0.25s ease;
  pointer-events: none;
}
.rt-slider-ticks {
  display: flex;
  justify-content: space-between;
  padding: 0 2px;
}
.rt-slider-ticks span {
  font-size: 0.72rem;
  color: var(--text-muted);
}
.rt-copy-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px 20px;
  margin-bottom: 40px;
  font-size: 0.85rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}
.btn-rt-copy {
  padding: 10px 28px;
  background: var(--accent);
  color: #0D1B2A;
  border: none;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  white-space: nowrap;
  transition: opacity 0.18s;
}
.btn-rt-copy:hover { opacity: 0.85; }

@media (max-width: 768px) {
  .rt-row       { grid-template-columns: 1fr; }
  .rt-results   { grid-template-columns: 1fr; }
  .rt-syringe-cards { grid-template-columns: repeat(3, 1fr); }
  .rt-result-val { font-size: 2.2rem; }
}
@media (max-width: 480px) {
  .rt-syringe-cards { grid-template-columns: 1fr; }
}

@media (max-width: 1024px) {
  .calc-hub-grid, .calc-hub-grid--sm { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .calc-hub-grid, .calc-hub-grid--sm { grid-template-columns: 1fr; }
  .chc-icon { font-size: 1.4rem; }
}

/* ── Ozempic (Semaglutide) Calculator ──────────────────────────────────── */
.oz-step-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
  margin-bottom: 16px;
}
.oz-step-hdr {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}
.oz-step-hdr h3 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
  margin: 0;
}
.oz-num {
  width: 28px; height: 28px;
  background: var(--accent);
  color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 0.85rem;
  flex-shrink: 0;
}

/* Phase grid */
.oz-phase-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
@media (min-width: 640px) {
  .oz-phase-grid { grid-template-columns: repeat(4, 1fr); }
}
.oz-phase-card {
  background: var(--bg-gray);
  border: 2px solid var(--border);
  border-radius: 10px;
  padding: 16px 14px;
  cursor: pointer;
  text-align: left;
  transition: border-color 0.18s, background 0.18s, box-shadow 0.18s;
}
.oz-phase-card:hover { border-color: var(--accent); }
.oz-phase-card.active {
  border-color: var(--accent);
  background: rgba(0,200,150,0.06);
  box-shadow: 0 0 0 3px rgba(0,200,150,0.12);
}
.oz-phase-badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 20px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.oz-phase-badge--1 { background: #dcfce7; color: #15803d; }
.oz-phase-badge--2 { background: #fef9c3; color: #a16207; }
.oz-phase-badge--3 { background: #ffedd5; color: #c2410c; }
.oz-phase-badge--4 { background: #fee2e2; color: #b91c1c; }
.oz-phase-weeks { font-size: 12px; color: var(--text-muted); margin-bottom: 5px; }
.oz-phase-dose {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.1;
}
.oz-phase-dose span { font-size: 11px; font-weight: 500; color: var(--text-muted); }
.oz-phase-note { font-size: 11px; color: var(--text-muted); margin-top: 6px; line-height: 1.4; }

/* Row layout for vial+BAC */
.oz-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* Pills */
.oz-pill-group { display: flex; flex-wrap: wrap; gap: 8px; }
.oz-pill {
  padding: 7px 16px;
  border: 1.5px solid var(--border);
  border-radius: 100px;
  background: #fff;
  color: var(--text);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, color 0.15s;
}
.oz-pill:hover { border-color: var(--accent); }
.oz-pill.active {
  border-color: var(--accent);
  background: rgba(0,200,150,0.08);
  color: var(--accent-dark);
}
.oz-other-wrap { display: none; margin-top: 14px; align-items: center; gap: 10px; }
.oz-other-wrap.visible { display: flex !important; }
.oz-other-label { font-size: 0.85rem; color: var(--text-muted); white-space: nowrap; }
.oz-other-wrap input {
  width: 120px;
  padding: 7px 10px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-size: 0.9rem;
  color: var(--text);
  background: #fff;
  outline: none;
  transition: border-color 0.15s;
}
.oz-other-wrap input:focus { border-color: var(--accent); }

/* Syringe cards — same style as rt- */
.oz-syringe-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.oz-syringe-btn {
  background: var(--bg-gray);
  border: 2px solid var(--border);
  border-radius: 10px;
  padding: 14px 10px 12px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  transition: border-color 0.18s, background 0.18s, box-shadow 0.18s;
  color: var(--text);
}
.oz-syringe-btn:hover { border-color: var(--accent); }
.oz-syringe-btn.active {
  border-color: var(--accent);
  background: rgba(0,200,150,0.06);
  box-shadow: 0 0 0 3px rgba(0,200,150,0.12);
}
.oz-syringe-svg { width: 70px; height: 26px; color: var(--text-muted); }
.oz-syringe-btn.active .oz-syringe-svg { color: var(--accent); }
.oz-syringe-vol { font-weight: 700; font-size: 0.95rem; color: var(--primary); }
.oz-syringe-sub { font-size: 11px; color: var(--text-muted); }

/* 4-column results */
.oz-results {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 20px;
}
@media (min-width: 640px) {
  .oz-results { grid-template-columns: repeat(4, 1fr); }
}
.oz-result-card {
  background: #fff;
  border: 1.5px solid var(--border);
  border-radius: 12px;
  padding: 20px 18px;
  text-align: center;
}
.oz-result-label { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-muted); margin-bottom: 8px; }
.oz-result-val { font-family: var(--font-heading); font-size: 2.4rem; font-weight: 800; color: var(--accent); line-height: 1; }
.oz-result-unit { font-size: 12px; color: var(--text-muted); margin-top: 4px; }
.oz-result-sub { font-size: 12px; color: var(--text-muted); margin-top: 6px; }

/* Draw guide */
.oz-draw-card {
  background: var(--bg-gray);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 22px 24px;
  margin-bottom: 20px;
}
.oz-draw-label { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-muted); margin-bottom: 8px; }
.oz-draw-text { font-size: 0.93rem; color: var(--text); line-height: 1.6; margin-bottom: 16px; }
.oz-slider-wrap { padding: 4px 0 8px; }
.oz-slider-track {
  position: relative;
  height: 10px;
  background: #e2e8f0;
  border-radius: 100px;
  overflow: visible;
}
.oz-slider-fill {
  position: absolute;
  top: 0; left: 0;
  height: 100%;
  background: var(--accent);
  border-radius: 100px;
  transition: width 0.3s ease;
}
.oz-slider-thumb {
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 20px; height: 20px;
  background: var(--accent);
  border: 3px solid #fff;
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(0,200,150,0.2);
  transition: left 0.3s ease;
}
.oz-slider-ticks {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 8px;
}

/* Copy bar */
.oz-copy-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 18px;
  margin-bottom: 32px;
  gap: 12px;
  font-size: 0.88rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}
.btn-oz-copy {
  padding: 8px 20px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  white-space: nowrap;
  transition: opacity 0.18s;
}
.btn-oz-copy:hover { opacity: 0.85; }

@media (max-width: 768px) {
  .oz-row       { grid-template-columns: 1fr; }
  .oz-results   { grid-template-columns: repeat(2, 1fr); }
  .oz-syringe-cards { grid-template-columns: repeat(3, 1fr); }
  .oz-result-val { font-size: 1.9rem; }
}
@media (max-width: 480px) {
  .oz-syringe-cards { grid-template-columns: 1fr; }
}

/* ═══════════════════════════════════════════════════════════════════════════
   CASE STUDIES PAGE
   ═══════════════════════════════════════════════════════════════════════════ */
.cs-stat-bar { display: flex; gap: 32px; margin-top: 28px; flex-wrap: wrap; }
.cs-stat { display: flex; flex-direction: column; }
.cs-stat-num { font-family: var(--font-heading); font-size: 2rem; font-weight: 800; color: var(--accent); line-height: 1; }
.cs-stat-label { font-size: 12px; color: rgba(255,255,255,0.65); margin-top: 4px; text-transform: uppercase; letter-spacing: 0.04em; }

.cs-disclaimer { display: flex; gap: 14px; align-items: flex-start; background: #fff8e1; border: 1.5px solid #fde68a; border-radius: 10px; padding: 16px 20px; font-size: 13.5px; color: #78350f; line-height: 1.6; }
.cs-disclaimer-icon { font-size: 1.3rem; flex-shrink: 0; margin-top: 1px; }

.cs-cards-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 28px; }
.cs-card { background: #fff; border: 1.5px solid var(--border); border-radius: 12px; padding: 22px 20px; text-decoration: none; color: var(--text); transition: box-shadow 0.18s, transform 0.18s, border-color 0.18s; display: flex; flex-direction: column; gap: 10px; }
.cs-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.cs-card-tag { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; }
.cs-card h3 { font-family: var(--font-heading); font-size: 0.95rem; font-weight: 700; color: var(--primary); margin: 0; line-height: 1.4; }
.cs-card p { font-size: 0.84rem; color: var(--text-muted); line-height: 1.6; margin: 0; flex: 1; }
.cs-card-meta { display: flex; flex-direction: column; gap: 4px; margin-top: 4px; }
.cs-card-meta span { font-size: 12px; color: var(--text-muted); }
.cs-card--green  { border-top: 3px solid #16a34a; } .cs-card--green  .cs-card-tag { color: #16a34a; }
.cs-card--teal   { border-top: 3px solid #0d9488; } .cs-card--teal   .cs-card-tag { color: #0d9488; }
.cs-card--blue   { border-top: 3px solid #2563eb; } .cs-card--blue   .cs-card-tag { color: #2563eb; }
.cs-card--purple { border-top: 3px solid #7c3aed; } .cs-card--purple .cs-card-tag { color: #7c3aed; }
.cs-card--orange { border-top: 3px solid #ea580c; } .cs-card--orange .cs-card-tag { color: #ea580c; }

.cs-article { max-width: 1100px; }
.cs-article-header { display: flex; gap: 24px; align-items: flex-start; margin-bottom: 32px; }
.cs-number { font-family: var(--font-heading); font-size: 3.5rem; font-weight: 900; color: var(--border); line-height: 1; flex-shrink: 0; }
.cs-article-header h2 { font-family: var(--font-heading); font-size: clamp(1.25rem, 2.5vw, 1.65rem); font-weight: 800; color: var(--primary); margin: 8px 0 10px; line-height: 1.3; }
.cs-subtitle { font-size: 0.97rem; color: var(--text-muted); line-height: 1.7; margin: 0; }
.cs-category-badge { display: inline-block; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; padding: 3px 10px; border-radius: 100px; }
.cs-category-badge--green  { background: #dcfce7; color: #16a34a; }
.cs-category-badge--teal   { background: #ccfbf1; color: #0d9488; }
.cs-category-badge--blue   { background: #dbeafe; color: #2563eb; }
.cs-category-badge--purple { background: #ede9fe; color: #7c3aed; }
.cs-category-badge--orange { background: #ffedd5; color: #ea580c; }

.cs-two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.cs-h3 { font-family: var(--font-heading); font-size: 1rem; font-weight: 700; color: var(--primary); margin: 0 0 14px; }

.cs-table { width: 100%; border-collapse: collapse; font-size: 0.87rem; }
.cs-table--profile td { padding: 8px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
.cs-table--profile td:first-child { width: 38%; color: var(--text-muted); font-weight: 500; white-space: nowrap; }

.cs-protocol-box { background: var(--primary); border-radius: 10px; overflow: hidden; }
.cs-protocol-row { display: flex; gap: 12px; padding: 9px 16px; border-bottom: 1px solid rgba(255,255,255,0.08); font-size: 0.85rem; }
.cs-protocol-row:last-child { border-bottom: none; }
.cs-protocol-label { color: rgba(255,255,255,0.55); flex-shrink: 0; width: 110px; }
.cs-protocol-val { color: #fff; line-height: 1.5; }
.cs-protocol-row--heading { background: rgba(0,200,150,0.15); font-size: 0.82rem; font-weight: 700; padding: 7px 16px; }
.cs-protocol-row--heading span { color: var(--accent); }

.cs-table-wrap { overflow-x: auto; margin-bottom: 28px; border-radius: 10px; border: 1px solid var(--border); }
.cs-table--timeline { width: 100%; border-collapse: collapse; font-size: 0.84rem; }
.cs-table--timeline th { background: var(--primary); color: rgba(255,255,255,0.85); padding: 11px 14px; text-align: left; font-size: 12px; font-weight: 600; white-space: nowrap; }
.cs-table--timeline td { padding: 10px 14px; border-bottom: 1px solid var(--border); vertical-align: top; line-height: 1.55; }
.cs-table--timeline tr:last-child td { border-bottom: none; }
.cs-row--baseline { background: #f8fafc; }
.cs-row--final td { background: #f0fdf4; font-weight: 500; }
.cs-delta { font-size: 11px; font-weight: 700; margin-left: 4px; }
.cs-delta--down { color: #16a34a; }
.cs-delta--up   { color: #2563eb; }

.cs-outcomes-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 28px; }
.cs-outcome-card { background: #fff; border: 1.5px solid var(--border); border-radius: 10px; padding: 18px 16px; text-align: center; }
.cs-outcome-num { font-family: var(--font-heading); font-size: 1.6rem; font-weight: 800; line-height: 1; margin-bottom: 6px; }
.cs-outcome-label { font-size: 12px; color: var(--text-muted); line-height: 1.4; }
.cs-outcome-card--green  .cs-outcome-num { color: #16a34a; }
.cs-outcome-card--teal   .cs-outcome-num { color: #0d9488; }
.cs-outcome-card--blue   .cs-outcome-num { color: #2563eb; }
.cs-outcome-card--purple .cs-outcome-num { color: #7c3aed; }
.cs-outcome-card--orange .cs-outcome-num { color: #ea580c; }

.cs-insights { background: #f8fafc; border: 1px solid var(--border); border-radius: 10px; padding: 24px 28px; margin-bottom: 24px; }
.cs-insights-list { margin: 0; padding: 0 0 0 18px; }
.cs-insights-list li { font-size: 0.9rem; line-height: 1.7; margin-bottom: 14px; color: var(--text); }
.cs-insights-list li:last-child { margin-bottom: 0; }
.cs-insights-list li strong { color: var(--primary); }

.cs-tags-row { display: flex; flex-wrap: wrap; gap: 7px; }
.cs-tag { font-size: 11px; background: #f1f5f9; color: var(--text-muted); border: 1px solid var(--border); border-radius: 100px; padding: 3px 10px; font-weight: 500; }

.cs-methodology { background: var(--bg-gray); border-radius: 14px; padding: 36px; }
.cs-methodology-title { font-family: var(--font-heading); font-size: 1.3rem; font-weight: 700; color: var(--primary); margin: 0 0 24px; }
.cs-methodology-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.cs-method-card { background: #fff; border-radius: 10px; padding: 20px; border: 1px solid var(--border); }
.cs-method-icon { font-size: 1.5rem; margin-bottom: 10px; }
.cs-method-card h3 { font-size: 0.92rem; font-weight: 700; color: var(--primary); margin: 0 0 8px; }
.cs-method-card p { font-size: 0.83rem; color: var(--text-muted); line-height: 1.6; margin: 0; }

@media (max-width: 1024px) {
  .cs-cards-grid { grid-template-columns: repeat(2, 1fr); }
  .cs-outcomes-grid { grid-template-columns: repeat(2, 1fr); }
  .cs-methodology-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .cs-two-col { grid-template-columns: 1fr; }
  .cs-article-header { flex-direction: column; gap: 12px; }
  .cs-number { font-size: 2.5rem; }
  .cs-stat-bar { gap: 20px; }
}
@media (max-width: 600px) {
  .cs-cards-grid { grid-template-columns: 1fr; }
  .cs-outcomes-grid { grid-template-columns: repeat(2, 1fr); }
  .cs-methodology-grid { grid-template-columns: 1fr; }
  .cs-protocol-label { width: 90px; }
}

/* ── Research Citations ─────────────────────────────────────────── */
.cit-toolbar { margin-bottom: 32px; }
.cit-search-input { width: 100%; max-width: 540px; padding: 10px 16px; border: 1px solid var(--border); border-radius: 8px; font-size: 0.95rem; font-family: var(--font-body); color: var(--text); background: #fff; margin-bottom: 16px; display: block; }
.cit-search-input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(0,200,150,0.12); }
.cit-filter-pills { display: flex; flex-wrap: wrap; gap: 8px; }
.cit-pill { padding: 6px 14px; border-radius: 20px; border: 1.5px solid var(--border); background: #fff; font-size: 0.8rem; font-weight: 600; color: var(--text-muted); cursor: pointer; transition: all 0.15s; }
.cit-pill:hover, .cit-pill--active { border-color: var(--accent); background: var(--accent); color: #fff; }
#cit-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }
.cit-card { background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 24px; transition: box-shadow 0.2s; }
.cit-card:hover { box-shadow: 0 4px 20px rgba(0,0,0,0.07); }
.cit-card-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; margin-bottom: 12px; flex-wrap: wrap; }
.cit-badges { display: flex; flex-wrap: wrap; gap: 6px; }
.cit-badge { padding: 3px 10px; border-radius: 12px; font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; }
.cit-badge--weight-loss { background: #dbeafe; color: #1d4ed8; }
.cit-badge--recovery { background: #dcfce7; color: #16a34a; }
.cit-badge--growth-hormone { background: #f3e8ff; color: #7e22ce; }
.cit-badge--cognitive { background: #fff7ed; color: #c2410c; }
.cit-badge--longevity { background: #ccfbf1; color: #0d9488; }
.cit-badge--type { background: var(--bg-gray); color: var(--text-muted); }
.cit-year { font-size: 0.78rem; font-weight: 600; color: var(--text-muted); line-height: 1.8; }
.cit-pmid-btn { display: inline-flex; align-items: center; padding: 4px 10px; border-radius: 6px; font-size: 0.72rem; font-weight: 700; text-decoration: none; transition: background 0.15s; white-space: nowrap; }
.cit-pmid-btn { background: #e0f2fe; color: #0369a1; }
.cit-pmid-btn:hover { background: #0369a1; color: #fff; }
.cit-pmid-btn--doi { background: #fef9c3; color: #a16207; }
.cit-pmid-btn--doi:hover { background: #a16207; color: #fff; }
.cit-pmid-btn--search { background: var(--bg-gray); color: var(--text-muted); }
.cit-pmid-btn--search:hover { background: var(--text-muted); color: #fff; }
.cit-title { font-size: 1.05rem; font-weight: 700; color: var(--primary); margin: 0 0 6px; line-height: 1.45; }
.cit-meta { font-size: 0.82rem; color: var(--text-muted); margin-bottom: 10px; }
.cit-summary { font-size: 0.88rem; color: var(--text); line-height: 1.7; margin: 0 0 12px; }
.cit-finding { display: flex; gap: 8px; align-items: flex-start; background: #f0fdf4; border-left: 3px solid var(--accent); border-radius: 0 6px 6px 0; padding: 8px 12px; margin-bottom: 12px; font-size: 0.83rem; }
.cit-finding-label { font-weight: 700; color: var(--accent); white-space: nowrap; }
.cit-stats { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-bottom: 12px; }
.cit-stat { font-size: 0.8rem; color: var(--text-muted); }
.cit-stat strong { color: var(--text); }
.cit-peptide-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.cit-peptide-tag { padding: 3px 10px; background: var(--bg-gray); border-radius: 12px; font-size: 0.75rem; font-weight: 600; color: var(--primary); text-decoration: none; }
.cit-peptide-tag:hover { background: var(--accent); color: #fff; }
.cit-empty { text-align: center; padding: 48px; color: var(--text-muted); }
.cit-empty button { background: none; border: none; color: var(--accent); cursor: pointer; text-decoration: underline; }

/* ── Clinical Trials ────────────────────────────────────────────── */
.ct-summary-bar { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; margin-bottom: 32px; }
.ct-stat-card { background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 20px; text-align: center; }
.ct-stat-card--active { border-color: var(--accent); }
.ct-stat-val { font-size: 2rem; font-weight: 800; color: var(--primary); font-family: var(--font-heading); line-height: 1; }
.ct-stat-card--active .ct-stat-val { color: var(--accent); }
.ct-stat-lbl { font-size: 0.78rem; color: var(--text-muted); font-weight: 600; margin-top: 4px; }
.ct-filters { display: flex; flex-direction: column; gap: 16px; margin-bottom: 28px; }
.ct-filter-group { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.ct-filter-lbl { font-size: 0.8rem; font-weight: 700; color: var(--text-muted); white-space: nowrap; min-width: 48px; }
.ct-filter-pills { display: flex; flex-wrap: wrap; gap: 6px; }
.ct-pill { padding: 5px 12px; border-radius: 20px; border: 1.5px solid var(--border); background: #fff; font-size: 0.78rem; font-weight: 600; color: var(--text-muted); cursor: pointer; transition: all 0.15s; }
.ct-pill:hover, .ct-pill--active { border-color: var(--accent); background: var(--accent); color: #fff; }
.ct-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
.ct-card { background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 22px; transition: box-shadow 0.2s; }
.ct-card:hover { box-shadow: 0 4px 16px rgba(0,0,0,0.07); }
.ct-card-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 10px; flex-wrap: wrap; }
.ct-card-badges { display: flex; gap: 6px; flex-wrap: wrap; }
.ct-badge { padding: 3px 10px; border-radius: 12px; font-size: 0.72rem; font-weight: 700; }
.ct-badge--phase1 { background: #e0f2fe; color: #0369a1; }
.ct-badge--phase2 { background: #f3e8ff; color: #7e22ce; }
.ct-badge--phase3 { background: #dcfce7; color: #16a34a; }
.ct-badge--completed { background: #f1f5f9; color: #475569; }
.ct-badge--active { background: #fef9c3; color: #a16207; }
.ct-badge--recruiting { background: #dcfce7; color: #16a34a; }
.ct-nct-link { font-size: 0.78rem; font-weight: 700; color: var(--accent); text-decoration: none; white-space: nowrap; }
.ct-nct-link:hover { text-decoration: underline; }
.ct-nct-link--search { color: var(--text-muted); }
.ct-card-title { font-size: 1rem; font-weight: 700; color: var(--primary); margin: 0 0 4px; }
.ct-card-title a { color: inherit; text-decoration: none; }
.ct-card-title a:hover { color: var(--accent); }
.ct-card-study-title { font-size: 0.82rem; color: var(--text-muted); font-style: italic; margin: 0 0 8px; }
.ct-card-summary { font-size: 0.87rem; color: var(--text); line-height: 1.65; margin: 0 0 12px; }
.ct-card-meta { display: flex; gap: 16px; flex-wrap: wrap; font-size: 0.78rem; color: var(--text-muted); }
.ct-empty-state { text-align: center; padding: 48px; color: var(--text-muted); }
.ct-empty-state button { background: none; border: none; color: var(--accent); cursor: pointer; text-decoration: underline; margin-top: 8px; }
.ct-disclaimer { margin-top: 32px; padding: 14px 18px; background: #fef9c3; border: 1px solid #fcd34d; border-radius: 8px; font-size: 0.82rem; color: #92400e; }
.ct-disclaimer a { color: #92400e; font-weight: 600; }

/* ── Contributors ───────────────────────────────────────────────── */
.contrib-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-bottom: 40px; }
.contrib-card { display: flex; align-items: flex-start; gap: 18px; background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 24px; text-decoration: none; color: inherit; transition: box-shadow 0.2s, border-color 0.2s; position: relative; }
.contrib-card:hover { box-shadow: 0 4px 20px rgba(0,0,0,0.08); border-color: var(--accent); }
.contrib-avatar { flex-shrink: 0; width: 60px; height: 60px; border-radius: 50%; overflow: hidden; }
.contrib-avatar img { width: 100%; height: 100%; object-fit: cover; }
.contrib-avatar-initials { width: 60px; height: 60px; border-radius: 50%; background: var(--accent); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 1.2rem; font-weight: 800; font-family: var(--font-heading); }
.contrib-card-body { flex: 1; min-width: 0; }
.contrib-name { font-size: 1rem; font-weight: 700; color: var(--primary); margin: 0 0 2px; }
.contrib-credentials { font-size: 0.78rem; color: var(--accent); font-weight: 600; margin-bottom: 2px; }
.contrib-title { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 6px; }
.contrib-spec { font-size: 0.83rem; color: var(--text); margin: 0 0 10px; line-height: 1.5; }
.contrib-areas { display: flex; flex-wrap: wrap; gap: 4px; }
.contrib-area-tag { padding: 2px 8px; background: var(--bg-gray); border-radius: 10px; font-size: 0.72rem; font-weight: 600; color: var(--text-muted); }
.contrib-area-tag--lg { font-size: 0.8rem; padding: 4px 12px; }
.contrib-arrow { font-size: 1.2rem; color: var(--text-muted); align-self: center; flex-shrink: 0; }
.contrib-card:hover .contrib-arrow { color: var(--accent); }
.contrib-eeeat-note { background: var(--bg-gray); border-radius: 12px; padding: 28px 32px; margin-top: 8px; }
.contrib-eeeat-inner h3 { font-size: 1.05rem; font-weight: 700; color: var(--primary); margin: 0 0 10px; }
.contrib-eeeat-inner p { font-size: 0.9rem; color: var(--text); line-height: 1.7; margin: 0 0 14px; }
.btn-outline-sm { padding: 7px 16px; border-radius: 7px; border: 1.5px solid var(--accent); color: var(--accent); font-size: 0.82rem; font-weight: 700; text-decoration: none; display: inline-block; transition: all 0.15s; }
.btn-outline-sm:hover { background: var(--accent); color: #fff; }
/* Contributor profile page */
.contrib-profile { max-width: 780px; }
.contrib-profile-header { display: flex; gap: 24px; align-items: flex-start; margin-bottom: 32px; padding-bottom: 32px; border-bottom: 1px solid var(--border); }
.contrib-profile-avatar { flex-shrink: 0; width: 96px; height: 96px; border-radius: 50%; overflow: hidden; }
.contrib-profile-avatar img { width: 100%; height: 100%; object-fit: cover; }
.contrib-avatar-initials--lg { width: 96px; height: 96px; font-size: 1.8rem; }
.contrib-profile-name { font-size: 1.6rem; font-weight: 800; margin: 0 0 4px; font-family: var(--font-heading); color: var(--primary); }
.contrib-profile-creds { font-size: 0.9rem; color: var(--accent); font-weight: 700; margin-bottom: 4px; }
.contrib-profile-title { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 6px; }
.contrib-profile-spec { font-size: 0.95rem; color: var(--text); margin-bottom: 10px; font-style: italic; }
.contrib-profile-links { display: flex; gap: 10px; flex-wrap: wrap; }
.contrib-ext-link { padding: 4px 12px; background: var(--bg-gray); border-radius: 6px; font-size: 0.78rem; font-weight: 700; color: var(--primary); text-decoration: none; }
.contrib-ext-link:hover { background: var(--accent); color: #fff; }
.contrib-profile-bio { margin-bottom: 28px; }
.contrib-profile-bio h2, .contrib-profile-section h2 { font-size: 1.15rem; font-weight: 700; color: var(--primary); margin: 0 0 12px; padding-bottom: 8px; border-bottom: 1px solid var(--border); }
.contrib-profile-bio p { font-size: 0.95rem; color: var(--text); line-height: 1.8; margin: 0; }
.contrib-profile-section { margin-bottom: 28px; }
.contrib-areas--lg { gap: 8px; }
.contrib-posts-list { display: flex; flex-direction: column; gap: 12px; }
.contrib-post-item { display: flex; align-items: center; gap: 16px; padding: 16px; background: var(--bg-gray); border-radius: 10px; text-decoration: none; color: inherit; transition: background 0.15s; }
.contrib-post-item:hover { background: #e8faf5; }
.contrib-post-item-body { flex: 1; }
.contrib-post-cat { font-size: 0.72rem; font-weight: 700; color: var(--accent); text-transform: uppercase; letter-spacing: 0.04em; display: block; margin-bottom: 4px; }
.contrib-post-item h4 { font-size: 0.92rem; font-weight: 700; color: var(--primary); margin: 0 0 4px; }
.contrib-post-item p { font-size: 0.82rem; color: var(--text-muted); margin: 0; }
.contrib-post-arrow { color: var(--accent); font-size: 1rem; }
.contrib-back-link { margin-top: 8px; padding-top: 20px; border-top: 1px solid var(--border); }
.contrib-back-link a { color: var(--accent); font-weight: 600; text-decoration: none; font-size: 0.9rem; }
/* Admin: contributors list */
.admin-contrib-list { display: flex; flex-direction: column; gap: 0; border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.admin-contrib-row { display: flex; align-items: center; gap: 16px; padding: 16px 20px; background: #fff; border-bottom: 1px solid var(--border); }
.admin-contrib-row:last-child { border-bottom: none; }
.admin-contrib-avatar { flex-shrink: 0; width: 44px; height: 44px; border-radius: 50%; overflow: hidden; }
.admin-contrib-avatar img { width: 100%; height: 100%; object-fit: cover; }
.admin-contrib-initials { width: 44px; height: 44px; border-radius: 50%; background: var(--accent); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 0.95rem; font-weight: 800; }
.admin-contrib-info { flex: 1; display: flex; flex-direction: column; gap: 2px; }
.admin-contrib-creds { font-size: 0.78rem; color: var(--accent); font-weight: 600; }
.admin-contrib-spec { font-size: 0.78rem; color: var(--text-muted); }
.admin-contrib-actions { display: flex; gap: 8px; flex-shrink: 0; }

@media (max-width: 900px) {
  .ct-summary-bar { grid-template-columns: repeat(2, 1fr); }
  .contrib-grid { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .ct-summary-bar { grid-template-columns: repeat(2, 1fr); }
  .cit-filter-pills { gap: 6px; }
  .contrib-profile-header { flex-direction: column; gap: 16px; }
  .ct-card-header { flex-direction: column; align-items: flex-start; }
  .ct-filter-group { flex-direction: column; align-items: flex-start; }
}

/* ═══════════════════════════════════════════════════════════════
   DARK MODE
   ═══════════════════════════════════════════════════════════════ */
[data-theme="dark"] {
  --primary: #0a1628;
  --accent: #00C896;
  --accent-dark: #00A67A;
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --bg: #0f1923;
  --bg-gray: #1a2535;
  --border: #2d3748;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.5);
}
[data-theme="dark"] body { background: var(--bg); color: var(--text); }
[data-theme="dark"] .site-header { background: #0a1628; border-bottom: 1px solid var(--border); }
[data-theme="dark"] .nav-dropdown { background: #111e2e; border: 1px solid var(--border); }
[data-theme="dark"] .dd-link:hover { background: rgba(255,255,255,0.05); }
[data-theme="dark"] .card, [data-theme="dark"] .profile-sidebar-card,
[data-theme="dark"] .profile-block, [data-theme="dark"] .calc-card,
[data-theme="dark"] .blog-card, [data-theme="dark"] .peptide-card { background: #1a2535; border-color: var(--border); }
[data-theme="dark"] .section--gray { background: var(--bg-gray); }
[data-theme="dark"] .btn-outline { border-color: var(--accent); color: var(--accent); }
[data-theme="dark"] .btn-outline:hover { background: var(--accent); color: #fff; }
[data-theme="dark"] input, [data-theme="dark"] textarea, [data-theme="dark"] select { background: #1a2535; color: var(--text); border-color: var(--border); }
[data-theme="dark"] .profile-hero { filter: brightness(0.9); }
[data-theme="dark"] .site-footer { background: #060e18; }
[data-theme="dark"] .admin-sidebar { background: #07111c; }
[data-theme="dark"] .admin-main { background: #0f1923; }

/* Dark mode toggle button */
.dark-toggle {
  display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border-radius: 8px; border: 1px solid var(--border);
  background: transparent; cursor: pointer; color: var(--text-muted); flex-shrink: 0;
  transition: background 0.15s, color 0.15s;
}
.dark-toggle:hover { background: var(--bg-gray); color: var(--text); }
.dark-toggle svg { width: 18px; height: 18px; pointer-events: none; }
/* Sun icon for dark mode, moon for light */
.dark-toggle .icon-moon { display: block; }
.dark-toggle .icon-sun { display: none; }
[data-theme="dark"] .dark-toggle .icon-moon { display: none; }
[data-theme="dark"] .dark-toggle .icon-sun { display: block; }


/* ═══════════════════════════════════════════════════════════════
   SITE-WIDE SEARCH OVERLAY
   ═══════════════════════════════════════════════════════════════ */
.search-trigger {
  display: flex; align-items: center; gap: 6px; padding: 6px 12px;
  border: 1px solid var(--border); border-radius: 8px; background: var(--bg-gray);
  color: var(--text-muted); cursor: pointer; font-size: 0.875rem;
  transition: border-color 0.15s, background 0.15s; flex-shrink: 0;
}
.search-trigger:hover { border-color: var(--accent); color: var(--text); }
.search-trigger svg { width: 16px; height: 16px; flex-shrink: 0; }
.search-trigger kbd {
  margin-left: 4px; font-size: 0.7rem; padding: 1px 5px;
  background: var(--border); border-radius: 4px; font-family: monospace; letter-spacing: 0;
}

.search-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.6); z-index: 9000;
  display: flex; align-items: flex-start; justify-content: center;
  padding-top: 80px; opacity: 0; pointer-events: none;
  transition: opacity 0.15s;
}
.search-overlay.active { opacity: 1; pointer-events: all; }
.search-modal {
  background: var(--bg); border-radius: var(--radius); width: 100%; max-width: 620px;
  box-shadow: var(--shadow-md); overflow: hidden; max-height: calc(100vh - 120px);
  display: flex; flex-direction: column;
}
.search-modal-header {
  display: flex; align-items: center; gap: 8px; padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}
.search-input {
  flex: 1; border: none; background: transparent; font-size: 1rem;
  color: var(--text); outline: none; font-family: var(--font);
}
.search-close {
  width: 32px; height: 32px; border: none; background: var(--bg-gray); border-radius: 6px;
  cursor: pointer; font-size: 1.2rem; color: var(--text-muted); display: flex;
  align-items: center; justify-content: center; flex-shrink: 0;
}
.search-close:hover { background: var(--border); }
.search-results { overflow-y: auto; padding: 8px 0; }
.search-hint, .search-no-results { padding: 16px 20px; color: var(--text-muted); font-size: 0.9rem; }
.search-group { margin-bottom: 4px; }
.search-group-label {
  padding: 8px 20px 4px; font-size: 0.7rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--text-muted);
}
.search-result-item {
  display: flex; flex-direction: column; gap: 2px; padding: 10px 20px;
  text-decoration: none; color: inherit; transition: background 0.1s;
}
.search-result-item:hover { background: var(--bg-gray); }
.sri-title { font-size: 0.9rem; font-weight: 600; color: var(--text); }
.sri-desc { font-size: 0.8rem; color: var(--text-muted); }


/* ═══════════════════════════════════════════════════════════════
   BOOKMARKS / SAVE BUTTON
   ═══════════════════════════════════════════════════════════════ */
.save-btn {
  display: inline-flex; align-items: center; gap: 7px; padding: 9px 16px;
  border: 1px solid var(--border); border-radius: 8px; background: var(--bg);
  color: var(--text-muted); cursor: pointer; font-size: 0.875rem; font-family: var(--font);
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}
.save-btn:hover { border-color: var(--accent); color: var(--accent); }
.save-btn.saved { border-color: var(--accent); background: rgba(0,200,150,0.08); color: var(--accent); }
.save-btn svg { width: 16px; height: 16px; flex-shrink: 0; }
.save-btn.saved svg { fill: var(--accent); }

.print-btn {
  display: inline-flex; align-items: center; gap: 7px; padding: 9px 16px;
  border: 1px solid var(--border); border-radius: 8px; background: var(--bg);
  color: var(--text-muted); cursor: pointer; font-size: 0.875rem; font-family: var(--font);
  transition: border-color 0.15s, color 0.15s;
}
.print-btn:hover { border-color: var(--text-muted); color: var(--text); }
.print-btn svg { width: 16px; height: 16px; flex-shrink: 0; }

.profile-action-bar {
  display: flex; gap: 8px; margin-top: 16px; flex-wrap: wrap;
}

/* Save toast */
.save-toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: #1a202c; color: #fff; padding: 10px 20px; border-radius: 8px;
  font-size: 0.875rem; z-index: 9999; opacity: 0; transition: opacity 0.2s, transform 0.2s;
  pointer-events: none;
}
[data-theme="dark"] .save-toast { background: #e2e8f0; color: #1a202c; }
.save-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }


/* ═══════════════════════════════════════════════════════════════
   SAVED ITEMS PAGE
   ═══════════════════════════════════════════════════════════════ */
.saved-page { padding: 60px 0; min-height: 50vh; }
.saved-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; margin-top: 24px; }
.saved-card {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 16px 20px; background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow-sm);
}
.saved-card-name { font-weight: 600; color: var(--text); text-decoration: none; }
.saved-card-name:hover { color: var(--accent); }
.saved-remove {
  padding: 5px 12px; border: 1px solid var(--border); border-radius: 6px; background: transparent;
  color: var(--text-muted); cursor: pointer; font-size: 0.8rem;
}
.saved-remove:hover { border-color: #ef4444; color: #ef4444; }
.saved-empty { text-align: center; padding: 80px 0; color: var(--text-muted); }
.saved-empty p { margin-bottom: 20px; font-size: 1.1rem; }


/* ═══════════════════════════════════════════════════════════════
   PEPTIDE FINDER QUIZ
   ═══════════════════════════════════════════════════════════════ */
.quiz-hero { background: var(--primary); color: #fff; padding: 60px 0 48px; text-align: center; }
.quiz-hero h1 { font-family: var(--font-heading); font-size: clamp(1.8rem,4vw,2.8rem); margin-bottom: 12px; }
.quiz-hero p { color: rgba(255,255,255,0.75); font-size: 1.05rem; max-width: 520px; margin: 0 auto; }

.quiz-wrap { max-width: 640px; margin: 0 auto; padding: 48px 0 80px; }
.quiz-progress { height: 4px; background: var(--border); border-radius: 4px; margin-bottom: 20px; overflow: hidden; }
.quiz-progress-bar { height: 100%; background: var(--accent); border-radius: 4px; transition: width 0.3s ease; }
.quiz-step-label { font-size: 0.8rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 12px; font-weight: 600; }
.quiz-question { font-family: var(--font-heading); font-size: clamp(1.2rem,3vw,1.6rem); margin-bottom: 28px; color: var(--text); }
.quiz-options { display: flex; flex-direction: column; gap: 10px; }
.quiz-option {
  padding: 14px 20px; border: 2px solid var(--border); border-radius: 10px;
  background: var(--bg); color: var(--text); cursor: pointer; text-align: left;
  font-size: 0.95rem; font-family: var(--font); transition: border-color 0.15s, background 0.15s;
}
.quiz-option:hover { border-color: var(--accent); background: rgba(0,200,150,0.05); }
.quiz-option.selected { border-color: var(--accent); background: rgba(0,200,150,0.1); color: var(--accent); font-weight: 600; }
.quiz-back {
  margin-top: 20px; padding: 8px 16px; border: 1px solid var(--border); border-radius: 8px;
  background: transparent; color: var(--text-muted); cursor: pointer; font-size: 0.875rem; font-family: var(--font);
}
.quiz-back:hover { color: var(--text); border-color: var(--text-muted); }

.quiz-results { text-align: center; }
.quiz-results-title { font-family: var(--font-heading); font-size: 1.8rem; margin-bottom: 8px; }
.quiz-results-sub { color: var(--text-muted); margin-bottom: 32px; }
.quiz-results-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 14px; text-align: left; margin-bottom: 32px; }
.quiz-result-card {
  display: flex; flex-direction: column; gap: 8px; padding: 18px 20px;
  background: var(--bg); border: 2px solid var(--border); border-radius: var(--radius);
  text-decoration: none; color: inherit; transition: border-color 0.15s, box-shadow 0.15s;
}
.quiz-result-card:hover { border-color: var(--accent); box-shadow: var(--shadow-sm); }
.quiz-result-card--top { border-color: var(--accent); }
.qrc-badge { font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--accent); }
.qrc-name { font-weight: 700; font-size: 1rem; }
.qrc-cta { font-size: 0.8rem; color: var(--accent); }
.quiz-restart {
  padding: 10px 24px; border: 1px solid var(--border); border-radius: 8px; background: transparent;
  color: var(--text-muted); cursor: pointer; font-size: 0.9rem; font-family: var(--font);
}
.quiz-restart:hover { border-color: var(--accent); color: var(--accent); }


/* ═══════════════════════════════════════════════════════════════
   GOOGLE TRANSLATE WIDGET
   ═══════════════════════════════════════════════════════════════ */
#google_translate_element { display: inline-flex; align-items: center; }
#google_translate_element .goog-te-gadget { font-size: 0; margin: 0; }
#google_translate_element .goog-te-gadget-simple {
  border: 1px solid var(--border) !important; border-radius: 8px !important;
  padding: 4px 10px !important; background: var(--bg-gray) !important;
  font-size: 0.8rem !important; color: var(--text-muted) !important; cursor: pointer;
}
#google_translate_element .goog-te-gadget-simple .goog-te-menu-value span { color: var(--text-muted) !important; }
#google_translate_element a img { display: none !important; }
.goog-te-banner-frame { display: none !important; }
body { top: 0 !important; }
.skiptranslate { display: none !important; }


/* ═══════════════════════════════════════════════════════════════
   PRINT STYLES — protocol card
   ═══════════════════════════════════════════════════════════════ */
@media print {
  .site-header, .site-footer, .profile-sidebar, .profile-action-bar,
  .profile-stacks, .profile-sources, .faq-list, .breadcrumb-nav,
  .section--gray, nav, .search-overlay, .save-toast, .no-print { display: none !important; }
  body { background: #fff !important; color: #000 !important; font-size: 11pt; }
  main { padding: 0 !important; }
  .profile-hero { background: none !important; padding: 20pt 0 10pt !important; border-bottom: 2pt solid #000; }
  .profile-hero h1 { font-size: 18pt; color: #000 !important; }
  .profile-fullname, .profile-summary { font-size: 10pt; color: #333 !important; }
  .pqs-grid { display: flex !important; flex-wrap: wrap; gap: 10pt; }
  .pqs-item { border: 1pt solid #ccc; padding: 6pt 10pt; border-radius: 4pt; }
  .pqs-label { font-size: 7pt; text-transform: uppercase; }
  .pqs-value { font-size: 10pt; font-weight: 700; }
  .container { max-width: 100% !important; padding: 0 20pt !important; }
  .profile-layout { display: block !important; }
  .profile-block { break-inside: avoid; margin-bottom: 14pt; border: none !important; }
  .profile-block:not(.profile-block--protocol) { display: none !important; }
  .profile-block--protocol { display: block !important; }
  .protocol-grid { display: flex !important; flex-wrap: wrap; gap: 8pt; }
  .protocol-item { border: 1pt solid #ccc; padding: 6pt 10pt; border-radius: 4pt; }
  .profile-badges { display: none !important; }
  .profile-block-label { font-size: 7pt; text-transform: uppercase; letter-spacing: 0.06em; color: #666; }
  h2 { font-size: 13pt; page-break-after: avoid; }
  @page { margin: 1.5cm; }
}