/* ============================================================
   Long Genetics — longgenetics.com
   Custom Stylesheet v1.0
   ============================================================ */

/* ── Reset & Box Sizing ─────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: var(--font-sans); font-size: 1rem; line-height: 1.6; color: var(--gray-700); background: var(--white); -webkit-font-smoothing: antialiased; }
img, svg { display: block; max-width: 100%; }
a { color: var(--blue-700); text-decoration: none; }
a:hover { text-decoration: underline; }
ul, ol { list-style: none; padding: 0; }
h1, h2, h3, h4, h5, h6 { color: var(--gray-900); line-height: 1.3; font-weight: 600; }
h1 { font-size: 2.5rem; letter-spacing: -0.02em; }
h2 { font-size: 1.5rem; margin-bottom: 0.5rem; }
h3 { font-size: 1.125rem; }
p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

/* ── Design Tokens ──────────────────────────────────────────── */
:root {
  --blue-700: #1d4ed8;
  --blue-600: #2563eb;
  --blue-500: #3b82f6;
  --blue-100: #dbeafe;
  --blue-50:  #eff6ff;
  --gray-900: #111827;
  --gray-800: #1f2937;
  --gray-700: #374151;
  --gray-600: #4b5563;
  --gray-500: #6b7280;
  --gray-400: #9ca3af;
  --gray-300: #d1d5db;
  --gray-200: #e5e7eb;
  --gray-100: #f3f4f6;
  --gray-50:  #f9fafb;
  --white: #ffffff;
  --green-600: #16a34a;
  --green-100: #dcfce7;
  --amber-600: #d97706;
  --amber-100: #fef3c7;
  --teal-700: #0f766e;
  --teal-600: #0d9488;
  --teal-100: #ccfbf1;
  --teal-50:  #f0fdfa;
  --evidence-strong: #16a34a;
  --evidence-moderate: #d97706;
  --evidence-emerging: #9ca3af;
  --evidence-strong-bg: #dcfce7;
  --evidence-moderate-bg: #fef3c7;
  --evidence-emerging-bg: #f3f4f6;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --max-width: 1200px;
  --nav-height: 64px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.05);
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
}

/* ── Layout Utilities ───────────────────────────────────────── */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 1.5rem; }
.site-main { padding-top: var(--nav-height); }
.section { padding: 4rem 0; }
.section--alt { background: var(--gray-50); }
.section--blue { background: var(--blue-50); }
.text-center { text-align: center; }
.text-muted { color: var(--gray-500); }
.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

/* ── Navigation ─────────────────────────────────────────────── */
.site-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--nav-height);
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  backdrop-filter: blur(8px);
  background: rgba(255,255,255,0.95);
}
.nav-inner {
  max-width: var(--max-width); margin: 0 auto; padding: 0 1.5rem;
  height: 100%; display: flex; align-items: center; justify-content: space-between;
}
.nav-brand {
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 1.125rem; font-weight: 400; color: var(--gray-900);
  text-decoration: none; letter-spacing: -0.01em;
}
.nav-brand strong { font-weight: 700; }
.nav-brand:hover { text-decoration: none; color: var(--gray-900); }
.nav-logo { color: var(--blue-700); flex-shrink: 0; }
.nav-links { display: flex; align-items: center; gap: 0.25rem; }
.nav-links a {
  font-size: 0.875rem; font-weight: 500; color: var(--gray-600);
  padding: 0.5rem 0.75rem; border-radius: 0.375rem;
  transition: color var(--transition-fast), background var(--transition-fast);
  text-decoration: none;
}
.nav-links a:hover { color: var(--blue-700); background: var(--blue-50); text-decoration: none; }
.nav-links a.active { color: var(--blue-700); background: var(--blue-50); }
.nav-toggle {
  display: none; background: none; border: none; cursor: pointer;
  width: 40px; height: 40px; padding: 8px;
  flex-direction: column; justify-content: center; gap: 5px;
}
.nav-toggle span {
  display: block; height: 2px; background: var(--gray-700);
  border-radius: 1px; transition: transform var(--transition-fast), opacity var(--transition-fast);
}

/* ── Hero Section ───────────────────────────────────────────── */
.hero {
  text-align: center; padding: 4rem 0 3.5rem;
  border-bottom: 1px solid var(--gray-200);
}
.hero--home {
  padding: 5rem 0 4rem;
  background: linear-gradient(180deg, var(--blue-50) 0%, var(--white) 100%);
  border-bottom: none;
}
.hero-title {
  font-size: 2.75rem; font-weight: 700; color: var(--gray-900);
  margin-bottom: 0.75rem; letter-spacing: -0.025em;
}
.hero-title span { color: var(--blue-700); }
.hero-subtitle {
  font-size: 1.25rem; color: var(--gray-600); font-weight: 400;
  max-width: 40rem; margin: 0 auto 1.5rem; line-height: 1.6;
}
.hero-description {
  font-size: 0.9375rem; color: var(--gray-500);
  max-width: 44rem; margin: 0 auto; line-height: 1.7;
}
.hero-ctas {
  display: flex; gap: 1rem; justify-content: center;
  margin-top: 2rem; flex-wrap: wrap;
}

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.75rem 1.75rem; font-size: 0.9375rem; font-weight: 600;
  border-radius: 0.5rem; border: 2px solid transparent;
  cursor: pointer; transition: all var(--transition-fast);
  text-decoration: none; font-family: var(--font-sans);
}
.btn:hover { text-decoration: none; }
.btn--primary {
  background: var(--blue-700); color: var(--white); border-color: var(--blue-700);
}
.btn--primary:hover { background: var(--blue-600); border-color: var(--blue-600); color: var(--white); }
.btn--outline {
  background: transparent; color: var(--blue-700); border-color: var(--blue-700);
}
.btn--outline:hover { background: var(--blue-50); color: var(--blue-700); }
.btn--teal {
  background: var(--teal-600); color: var(--white); border-color: var(--teal-600);
}
.btn--teal:hover { background: var(--teal-700); border-color: var(--teal-700); color: var(--white); }
.btn--sm { padding: 0.5rem 1.25rem; font-size: 0.8125rem; }

/* ── Stats Bar ──────────────────────────────────────────────── */
.stats-bar {
  display: flex; align-items: center; justify-content: center; gap: 2rem;
  padding: 1.5rem; background: var(--blue-50); border: 1px solid var(--blue-100);
  border-radius: 0.5rem; margin-bottom: 2rem;
}
.stat-item { text-align: center; }
.stat-number { font-size: 1.75rem; font-weight: 700; color: var(--blue-700); line-height: 1.2; }
.stat-label {
  font-size: 0.75rem; color: var(--gray-600); font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.04em;
}
.stat-divider { width: 1px; height: 2.5rem; background: var(--blue-100); }

/* ── Cards ──────────────────────────────────────────────────── */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.card-grid--2 { grid-template-columns: repeat(2, 1fr); }
.card-grid--4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--white); border: 1px solid var(--gray-200); border-radius: 0.5rem;
  padding: 1.75rem; transition: box-shadow var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}
.card:hover {
  box-shadow: var(--shadow-md); border-color: var(--gray-300); transform: translateY(-2px);
}
.card a.card-link { text-decoration: none; color: inherit; display: block; }
.card-icon { font-size: 2rem; margin-bottom: 1rem; line-height: 1; }
.card-title { font-size: 1.0625rem; font-weight: 600; color: var(--gray-900); margin-bottom: 0.5rem; }
.card-desc { font-size: 0.875rem; color: var(--gray-600); line-height: 1.6; }
.card-cta {
  display: inline-flex; align-items: center; gap: 0.25rem;
  font-size: 0.8125rem; font-weight: 600; color: var(--blue-700);
  margin-top: 1rem; text-decoration: none;
}
.card-cta:hover { text-decoration: underline; }

/* ── Feature Card (larger, for services) ────────────────────── */
.feature-card {
  background: var(--white); border: 1px solid var(--gray-200); border-radius: 0.75rem;
  padding: 2rem; transition: box-shadow var(--transition-fast), border-color var(--transition-fast);
}
.feature-card:hover { box-shadow: var(--shadow-lg); border-color: var(--blue-500); }
.feature-card-icon {
  width: 48px; height: 48px; border-radius: 0.75rem;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.25rem; font-size: 1.5rem;
}
.feature-card-icon--blue { background: var(--blue-50); color: var(--blue-700); }
.feature-card-icon--teal { background: var(--teal-50); color: var(--teal-600); }
.feature-card-icon--green { background: var(--green-100); color: var(--green-600); }
.feature-card-icon--amber { background: var(--amber-100); color: var(--amber-600); }

/* ── Organ System Grid ──────────────────────────────────────── */
.organ-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-bottom: 3rem; }
.organ-card {
  display: block; background: var(--white); border: 1px solid var(--gray-200);
  border-radius: 0.5rem; padding: 1.25rem; text-decoration: none; color: inherit;
  transition: box-shadow var(--transition-fast), border-color var(--transition-fast);
}
.organ-card:hover {
  box-shadow: 0 4px 12px rgba(0,0,0,0.08); border-color: var(--gray-300);
  text-decoration: none; color: inherit;
}
.organ-card-header {
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 0.5rem; margin-bottom: 0.75rem;
}
.organ-card-name { font-size: 0.9375rem; font-weight: 600; color: var(--gray-900); line-height: 1.3; }
.organ-card-conditions {
  font-size: 0.75rem; color: var(--gray-500); line-height: 1.5; margin-top: 0.5rem;
}

/* ── Yield Bar ──────────────────────────────────────────────── */
.yield-display { display: flex; align-items: center; gap: 0.5rem; }
.yield-bar {
  flex: 1; height: 6px; background: var(--gray-100); border-radius: 3px;
  overflow: hidden; position: relative; min-width: 80px;
}
.yield-bar-fill {
  position: absolute; top: 0; height: 100%; border-radius: 3px;
  transition: width 0.3s ease;
}
.yield-bar-fill--strong { background: var(--evidence-strong); }
.yield-bar-fill--moderate { background: var(--evidence-moderate); }
.yield-value {
  font-size: 0.8125rem; font-weight: 600; color: var(--gray-700);
  white-space: nowrap; min-width: 3.5rem; text-align: right;
}
.indication-count { font-size: 0.75rem; color: var(--gray-500); }

/* ── Badges ─────────────────────────────────────────────────── */
.badge {
  display: inline-block; font-size: 0.6875rem; font-weight: 600;
  padding: 0.125rem 0.5rem; border-radius: 9999px; letter-spacing: 0.02em;
  text-transform: uppercase; white-space: nowrap;
}
.badge--strong { background: var(--evidence-strong-bg); color: var(--evidence-strong); }
.badge--moderate { background: var(--evidence-moderate-bg); color: var(--evidence-moderate); }
.badge--emerging { background: var(--evidence-emerging-bg); color: var(--evidence-emerging); }

/* ── Evidence Legend ─────────────────────────────────────────── */
.evidence-legend { display: flex; align-items: center; gap: 1.25rem; margin-bottom: 1.5rem; flex-wrap: wrap; }
.evidence-legend-item { display: flex; align-items: center; gap: 0.375rem; font-size: 0.75rem; color: var(--gray-600); }
.evidence-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.evidence-dot--strong { background: var(--evidence-strong); }
.evidence-dot--moderate { background: var(--evidence-moderate); }

/* ── Section Headings ───────────────────────────────────────── */
.section-heading { font-size: 1.5rem; font-weight: 600; color: var(--gray-900); margin-bottom: 0.375rem; }
.section-subheading { font-size: 0.9375rem; color: var(--gray-500); margin-bottom: 1.5rem; line-height: 1.6; }

/* ── Comparison Box ─────────────────────────────────────────── */
.comparison {
  display: grid; grid-template-columns: 1fr auto 1fr; gap: 2rem;
  align-items: center; margin: 2rem 0;
}
.comparison-box {
  background: var(--white); border: 1px solid var(--gray-200);
  border-radius: 0.75rem; padding: 2rem; text-align: center;
}
.comparison-box--problem { border-color: #fecaca; background: #fef2f2; }
.comparison-box--solution { border-color: var(--green-100); background: #f0fdf4; }
.comparison-vs {
  font-size: 0.875rem; font-weight: 700; color: var(--gray-400);
  text-transform: uppercase; letter-spacing: 0.08em;
}
.comparison-label { font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 0.75rem; }
.comparison-label--problem { color: #dc2626; }
.comparison-label--solution { color: var(--green-600); }
.comparison-stat { font-size: 2rem; font-weight: 700; color: var(--gray-900); margin-bottom: 0.25rem; }
.comparison-detail { font-size: 0.8125rem; color: var(--gray-500); }

/* ── Split Section ──────────────────────────────────────────── */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
.split-panel {
  background: var(--white); border: 1px solid var(--gray-200);
  border-radius: 0.75rem; padding: 2rem;
}
.split-panel h3 { margin-bottom: 1rem; }
.split-panel ul { padding-left: 0; }
.split-panel li {
  padding: 0.5rem 0; font-size: 0.9375rem; color: var(--gray-600);
  border-bottom: 1px solid var(--gray-100); display: flex; align-items: flex-start; gap: 0.5rem;
}
.split-panel li:last-child { border-bottom: none; }
.split-panel .check { color: var(--blue-700); font-weight: 700; flex-shrink: 0; }

/* ── Process Steps (Timeline) ───────────────────────────────── */
.process-steps {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem; counter-reset: step;
}
.process-step {
  text-align: center; position: relative; counter-increment: step;
  padding: 1.5rem 1rem;
}
.process-step::before {
  content: counter(step); display: flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: 50%; margin: 0 auto 1rem;
  background: var(--blue-700); color: var(--white); font-weight: 700; font-size: 1rem;
}
.process-step-title { font-size: 0.875rem; font-weight: 600; color: var(--gray-900); margin-bottom: 0.375rem; }
.process-step-desc { font-size: 0.8125rem; color: var(--gray-500); line-height: 1.5; }

/* ── Info Box ───────────────────────────────────────────────── */
.info-box {
  background: var(--blue-50); border: 1px solid var(--blue-100);
  border-radius: 0.75rem; padding: 1.5rem 2rem;
}
.info-box--teal { background: var(--teal-50); border-color: var(--teal-100); }
.info-box--warn { background: #fef2f2; border-color: #fecaca; }
.info-box p { font-size: 0.9375rem; color: var(--gray-700); }

/* ── Referral Box (provider page) ───────────────────────────── */
.referral-box {
  background: var(--white); border: 2px solid var(--teal-600);
  border-radius: 0.75rem; padding: 2rem;
}
.referral-box h3 { color: var(--teal-700); margin-bottom: 1rem; }

/* ── FAQ Accordion ──────────────────────────────────────────── */
.faq-list { max-width: 48rem; }
.faq-item {
  border-bottom: 1px solid var(--gray-200);
}
.faq-item summary {
  font-size: 1rem; font-weight: 600; color: var(--gray-800);
  padding: 1.25rem 0; cursor: pointer; list-style: none;
  display: flex; justify-content: space-between; align-items: center;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+'; font-size: 1.25rem; color: var(--gray-400);
  font-weight: 400; transition: transform var(--transition-fast);
}
.faq-item[open] summary::after { content: '\2212'; }
.faq-item .faq-answer {
  padding: 0 0 1.25rem; font-size: 0.9375rem; color: var(--gray-600); line-height: 1.7;
}

/* ── Data Table ─────────────────────────────────────────────── */
.data-table {
  width: 100%; border-collapse: collapse; font-size: 0.875rem; margin-bottom: 2rem;
}
.data-table th {
  background: var(--gray-50); color: var(--gray-600); font-weight: 600;
  text-align: left; padding: 0.75rem 1rem; border-bottom: 2px solid var(--gray-200);
  font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.03em;
}
.data-table td {
  padding: 0.75rem 1rem; border-bottom: 1px solid var(--gray-100); color: var(--gray-700);
}
.data-table tr:hover td { background: var(--gray-50); }

/* ── Turnaround Bar (CSS bar chart) ─────────────────────────── */
.tat-bars { max-width: 36rem; }
.tat-item { margin-bottom: 1rem; }
.tat-label {
  display: flex; justify-content: space-between; font-size: 0.875rem; margin-bottom: 0.375rem;
}
.tat-label-name { font-weight: 600; color: var(--gray-800); }
.tat-label-value { color: var(--gray-500); }
.tat-track { height: 8px; background: var(--gray-100); border-radius: 4px; overflow: hidden; }
.tat-fill { height: 100%; border-radius: 4px; background: var(--blue-600); }

/* ── Checklist ──────────────────────────────────────────────── */
.checklist li {
  display: flex; align-items: flex-start; gap: 0.75rem;
  padding: 0.625rem 0; font-size: 0.9375rem; color: var(--gray-700);
  border-bottom: 1px solid var(--gray-100);
}
.checklist li:last-child { border-bottom: none; }
.checklist-icon {
  width: 22px; height: 22px; border-radius: 4px;
  border: 2px solid var(--blue-600); display: flex;
  align-items: center; justify-content: center; flex-shrink: 0; margin-top: 1px;
  color: var(--blue-700); font-size: 0.75rem; font-weight: 700;
}

/* ── Result Cards (positive/negative/VUS) ───────────────────── */
.result-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.result-card {
  border-radius: 0.75rem; padding: 1.5rem; border-left: 4px solid;
}
.result-card--positive { background: var(--green-100); border-color: var(--green-600); }
.result-card--negative { background: var(--gray-100); border-color: var(--gray-400); }
.result-card--vus { background: var(--amber-100); border-color: var(--amber-600); }
.result-card h4 { margin-bottom: 0.5rem; }
.result-card p { font-size: 0.875rem; color: var(--gray-700); }

/* ── Contact Grid ───────────────────────────────────────────── */
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; margin-bottom: 3rem; }
.contact-card {
  background: var(--white); border: 1px solid var(--gray-200);
  border-radius: 0.75rem; padding: 1.75rem;
}
.contact-card-icon { font-size: 1.5rem; margin-bottom: 0.75rem; }
.contact-card h3 { font-size: 1rem; margin-bottom: 0.75rem; }
.contact-card p { font-size: 0.875rem; color: var(--gray-600); margin-bottom: 0.25rem; }

/* ── Map Placeholder ────────────────────────────────────────── */
.map-placeholder {
  height: 300px; background: var(--gray-100); border: 1px solid var(--gray-200);
  border-radius: 0.75rem; display: flex; align-items: center; justify-content: center;
  color: var(--gray-400); font-size: 0.875rem;
}

/* ── Critical Care Feature Cards ────────────────────────────── */
.critical-care-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.cc-card {
  background: var(--white); border: 2px solid var(--blue-100);
  border-radius: 0.75rem; padding: 2rem; position: relative; overflow: hidden;
}
.cc-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0;
  height: 4px; background: var(--blue-700);
}
.cc-card h3 { font-size: 1.125rem; margin-bottom: 0.5rem; }
.cc-card .cc-yield {
  font-size: 1.5rem; font-weight: 700; color: var(--blue-700); margin-bottom: 0.75rem;
}
.cc-card .cc-metric {
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 0.875rem; color: var(--gray-600); margin-bottom: 0.375rem;
}
.cc-card .cc-metric strong { color: var(--gray-900); }

/* ── Footer ─────────────────────────────────────────────────── */
.site-footer {
  background: var(--gray-900); color: var(--gray-400);
  padding: 3rem 0 2rem; margin-top: 4rem;
}
.footer-inner { max-width: var(--max-width); margin: 0 auto; padding: 0 1.5rem; }
.footer-main { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 2rem; }
.footer-brand { }
.footer-logo { font-size: 1.125rem; color: var(--white); margin-bottom: 0.375rem; }
.footer-logo strong { font-weight: 700; }
.footer-tagline { font-size: 0.8125rem; color: var(--gray-500); }
.footer-links { display: flex; flex-wrap: wrap; gap: 1.5rem; }
.footer-links a {
  font-size: 0.8125rem; color: var(--gray-400); text-decoration: none;
  transition: color var(--transition-fast);
}
.footer-links a:hover { color: var(--white); text-decoration: none; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 1.5rem;
}
.footer-bottom p { font-size: 0.75rem; color: var(--gray-500); margin-bottom: 0.5rem; }
.footer-disclaimer { font-size: 0.6875rem; color: var(--gray-500); max-width: 40rem; line-height: 1.6; }

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .card-grid--4 { grid-template-columns: repeat(2, 1fr); }
  .organ-grid { grid-template-columns: repeat(2, 1fr); }
  .critical-care-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: repeat(2, 1fr); }
  .result-cards { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; }
  .comparison { grid-template-columns: 1fr; gap: 1rem; }
  .comparison-vs { text-align: center; }
}

@media (max-width: 768px) {
  .nav-links {
    display: none; position: absolute; top: var(--nav-height);
    left: 0; right: 0; background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    flex-direction: column; padding: 0.5rem;
    box-shadow: var(--shadow-lg);
  }
  .nav-links.is-open { display: flex; }
  .nav-links a { padding: 0.75rem 1rem; width: 100%; }
  .nav-toggle { display: flex; }
  h1 { font-size: 1.75rem; }
  .hero { padding: 3rem 0 2.5rem; }
  .hero--home { padding: 3.5rem 0 3rem; }
  .hero-title { font-size: 2rem; }
  .hero-subtitle { font-size: 1.0625rem; }
  .card-grid, .card-grid--4, .organ-grid { grid-template-columns: 1fr; }
  .stats-bar { flex-direction: column; gap: 1rem; }
  .stat-divider { width: 3rem; height: 1px; }
  .process-steps { grid-template-columns: 1fr; }
  .footer-main { flex-direction: column; gap: 1.5rem; }
  .footer-links { gap: 1rem; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 1.5rem; }
  .hero-ctas { flex-direction: column; align-items: center; }
  .btn { width: 100%; justify-content: center; }
  .organ-card { padding: 1rem; }
  .yield-bar { min-width: 60px; }
}

/* ── Print Styles ───────────────────────────────────────────── */
@media print {
  .site-nav, .site-footer, .nav-toggle, .hero-ctas, .btn,
  #sm-auth-gate { display: none !important; }
  body { color: #000; background: #fff; font-size: 11pt; line-height: 1.5; }
  .site-main { padding-top: 0; max-width: 100%; }
  * { box-shadow: none !important; transition: none !important; }
  .card, .organ-card, .feature-card, .contact-card, .cc-card {
    border: 1px solid #ccc !important; break-inside: avoid; page-break-inside: avoid;
  }
  .card-grid, .organ-grid, .split, .contact-grid, .critical-care-grid {
    grid-template-columns: 1fr; gap: 0.5rem;
  }
  .yield-bar { display: none; }
  .yield-value { font-weight: bold; color: #000; }
  .badge--strong { color: #000 !important; background: #e0e0e0 !important; }
  .badge--moderate { color: #000 !important; background: #f0f0f0 !important; }
  .hero { padding: 1rem 0; border-bottom: 2px solid #000; }
  .hero-title { font-size: 18pt; }
  a[href]::after { content: " (" attr(href) ")"; font-size: 0.75em; color: #666; }
  .nav-brand[href]::after, .card-cta[href]::after, .btn[href]::after { content: none; }
}