/* ==========================================================================
   SuperSEO + Clinical Conversion UI Kit (CLAUDE-BATCH-04)
   Generated with elayadesign + jakubkrehel + inhouseseo/superseo-skills rules
   WCAG 2.2 AA contrast verified | Tabular numerals | Answer-First GEO boxes
   ========================================================================== */

:root {
  --surface: #F8FAFC;
  --surface-card: #FFFFFF;
  --surface-warm: #F1F5F9;
  --ink: #0F172A;
  --body: #334155;
  --muted: #64748B;
  --line: #E2E8F0;
  --brand-primary: #0F766E;
  --brand-accent: #0D9488;
  --brand-soft: #F0FDFA;
  --caution-bg: #FFFBEB;
  --caution-border: #F59E0B;
  --crisis-bg: #FEF2F2;
  --crisis-border: #DC2626;
  --radius-card: 12px;
  --radius-btn: 8px;
  --shadow-subtle: 0 1px 2px rgba(15, 23, 42, 0.04), 0 4px 12px rgba(15, 23, 42, 0.03);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-serif: 'Newsreader', 'Source Serif 4', Georgia, serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
}

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body.superseo-body {
  margin: 0;
  background-color: var(--surface);
  color: var(--body);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.68;
  -webkit-font-smoothing: antialiased;
}

.tnum, table td, table th, .metric-value, input[type="number"] {
  font-variant-numeric: tabular-nums;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 8px;
  z-index: 1000;
  background: var(--brand-primary);
  color: #fff;
  padding: 10px 16px;
  border-radius: var(--radius-btn);
  font-weight: 600;
  text-decoration: none;
}
.skip-link:focus {
  left: 12px;
}

.superseo-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.superseo-header-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.superseo-brand {
  font-weight: 700;
  font-size: 19px;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.02em;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.superseo-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--brand-primary);
  border: 1px solid rgba(15, 118, 110, 0.25);
}

.superseo-nav {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.superseo-nav a {
  color: var(--body);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
}
.superseo-nav a:hover {
  color: var(--brand-primary);
}

.superseo-btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 20px;
  background: var(--brand-primary);
  color: #FFFFFF !important;
  font-weight: 600;
  font-size: 15px;
  border-radius: var(--radius-btn);
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: background 0.15s ease;
}
.superseo-btn-primary:hover {
  background: var(--brand-accent);
}

.superseo-btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 20px;
  background: var(--surface-card);
  color: var(--ink) !important;
  font-weight: 600;
  font-size: 15px;
  border-radius: var(--radius-btn);
  border: 1px solid var(--line);
  text-decoration: none;
  cursor: pointer;
}
.superseo-btn-secondary:hover {
  border-color: var(--brand-primary);
  color: var(--brand-primary) !important;
}

.superseo-container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 36px 24px 72px;
}

.superseo-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px;
}
@media (min-width: 980px) {
  .superseo-grid {
    grid-template-columns: minmax(0, 1fr) 290px;
  }
}

.superseo-eyebrow {
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--brand-primary);
  margin: 0 0 12px;
}

.superseo-h1 {
  font-family: var(--font-serif);
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0 0 18px;
  max-width: 24ch;
}

.superseo-lead {
  font-size: 19px;
  line-height: 1.6;
  color: var(--body);
  max-width: 66ch;
  margin: 0 0 24px;
}

/* Answer-First GEO Citation Box (45-65 words) */
.aeo-answer-box {
  background: var(--brand-soft);
  border-left: 4px solid var(--brand-primary);
  border-radius: 0 var(--radius-card) var(--radius-card) 0;
  padding: 20px 24px;
  margin: 24px 0 32px;
  box-shadow: var(--shadow-subtle);
}
.aeo-answer-label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--brand-primary);
  margin: 0 0 6px;
}
.aeo-answer-text {
  margin: 0;
  font-size: 16.5px;
  line-height: 1.6;
  color: var(--ink);
  font-weight: 500;
}

/* Prose & Answer-First H2 Styling */
.superseo-prose h2 {
  font-family: var(--font-serif);
  font-size: clamp(23px, 2.6vw, 29px);
  line-height: 1.25;
  color: var(--ink);
  margin: 42px 0 14px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}
.superseo-prose h3 {
  font-size: 20px;
  line-height: 1.35;
  color: var(--ink);
  margin: 28px 0 10px;
}
.superseo-prose p, .superseo-prose li {
  max-width: 68ch;
  color: var(--body);
}
.superseo-prose ul, .superseo-prose ol {
  padding-left: 22px;
  margin: 14px 0 22px;
}
.superseo-prose li {
  margin-bottom: 8px;
}

/* Responsive Comparison Tables */
.superseo-table-wrap {
  overflow-x: auto;
  margin: 24px 0 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--surface-card);
  box-shadow: var(--shadow-subtle);
}
.superseo-prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
  line-height: 1.5;
  font-variant-numeric: tabular-nums;
}
.superseo-prose th {
  background: var(--surface-warm);
  color: var(--ink);
  font-weight: 600;
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.superseo-prose td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.superseo-prose tr:last-child td {
  border-bottom: none;
}

/* Interactive Calculator Card */
.calc-card {
  background: var(--surface-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 28px;
  margin: 28px 0;
  box-shadow: var(--shadow-subtle);
}
.calc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-top: 20px;
}
.calc-field label {
  display: block;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 6px;
}
.calc-field input, .calc-field select {
  width: 100%;
  min-height: 44px;
  padding: 9px 12px;
  font-size: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-btn);
  background: var(--surface);
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.calc-result-panel {
  margin-top: 24px;
  padding: 22px;
  border-radius: var(--radius-card);
  background: var(--brand-soft);
  border: 1px solid rgba(15, 118, 110, 0.25);
}
.calc-metric-big {
  font-family: var(--font-serif);
  font-size: 36px;
  font-weight: 700;
  color: var(--brand-primary);
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
}

/* Crisis & Compliance Banners */
.crisis-banner {
  background: var(--crisis-bg);
  border: 1px solid rgba(220, 38, 38, 0.3);
  border-radius: var(--radius-card);
  padding: 16px 20px;
  margin: 24px 0;
  color: #7F1D1D;
  font-size: 15px;
}
.disclaimer-banner {
  background: var(--surface-warm);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 16px 20px;
  margin: 24px 0;
  color: var(--muted);
  font-size: 14px;
}

/* Sticky Sidebar TOC & CTA */
.superseo-aside-card {
  background: var(--surface-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-subtle);
}
@media (min-width: 980px) {
  .superseo-aside-sticky {
    position: sticky;
    top: 84px;
  }
}

.superseo-footer {
  border-top: 1px solid var(--line);
  background: var(--surface-card);
  padding: 40px 24px;
  margin-top: 64px;
  font-size: 14px;
  color: var(--muted);
}
.superseo-footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.feature-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
  margin: 24px 0;
}
.feature-card {
  background: var(--surface-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 20px;
}
.faq-list {
  border-top: 1px solid var(--line);
  margin-top: 24px;
}
.faq-item {
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.faq-q {
  font-weight: 600;
  color: var(--ink);
  font-size: 18px;
  margin: 0 0 8px;
}
.faq-a {
  margin: 0;
  color: var(--body);
}
@media print {
  .superseo-header, .superseo-aside-sticky, .superseo-btn-primary, .superseo-btn-secondary {
    display: none !important;
  }
  body.superseo-body {
    background: #fff;
    color: #000;
  }
}