/* Shared styles for the VitreousAI™ inner pages (about, pilot, trust).
   Tokens match index.html so the pages sit next to it without a seam. */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #080C12;
  --surface: #0F1520;
  --surface2: #141B28;
  --navy: #1B3A5C;
  --gold: #B8860B;
  --gold-lt: #D4A017;
  --white: #F1F5F9;
  --mid: #94A3B8;
  --dim: #4A5568;
  --border: rgba(255,255,255,0.07);
  --font: 'Inter', system-ui, sans-serif;
  --mono: 'JetBrains Mono', monospace;
}

html { scroll-behavior: smooth; }
body { background: var(--bg); color: var(--white); font-family: var(--font); font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }

nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; display: flex; align-items: center; justify-content: space-between; padding: 0 48px; height: 64px; background: rgba(8,12,18,0.85); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); }
.nav-links { display: flex; align-items: center; gap: 32px; list-style: none; }
.nav-links a { font-size: 14px; color: var(--mid); transition: color 0.2s; }
.nav-links a:hover, .nav-links a.active { color: var(--white); }
.nav-cta { background: var(--gold); color: #000 !important; font-weight: 600; font-size: 13px !important; padding: 8px 18px; border-radius: 6px; }
.nav-cta:hover { background: var(--gold-lt) !important; }

.page-head { padding: 140px 24px 56px; max-width: 800px; margin: 0 auto; }
.eyebrow { font-size: 11px; font-weight: 600; letter-spacing: 0.15em; text-transform: uppercase; color: var(--gold); margin-bottom: 16px; }
.page-head h1 { font-size: clamp(34px, 5vw, 56px); font-weight: 700; letter-spacing: -0.035em; line-height: 1.08; margin-bottom: 24px; }
.page-head .lede { font-size: clamp(17px, 2vw, 20px); color: var(--mid); line-height: 1.7; }

.prose { max-width: 800px; margin: 0 auto; padding: 0 24px 72px; }
.prose h2 { font-size: clamp(22px, 3vw, 30px); font-weight: 700; letter-spacing: -0.025em; line-height: 1.2; margin: 56px 0 16px; }
.prose p { font-size: 17px; color: var(--mid); line-height: 1.8; margin-bottom: 20px; }
.prose p strong { color: var(--white); font-weight: 600; }
.prose ul { margin: 0 0 20px 0; padding-left: 20px; }
.prose li { font-size: 17px; color: var(--mid); line-height: 1.75; margin-bottom: 10px; }

.pullquote { border-left: 3px solid var(--gold); padding: 8px 0 8px 24px; margin: 40px 0; font-size: clamp(20px, 2.6vw, 26px); font-weight: 600; letter-spacing: -0.02em; line-height: 1.4; color: var(--white); }
.pullquote em { font-style: normal; color: var(--gold); }

.facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; margin: 40px 0; }
.fact { background: var(--surface); padding: 24px; }
.fact-label { font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--gold); margin-bottom: 8px; }
.fact-value { font-size: 15px; color: var(--white); line-height: 1.5; }

.timeline { margin: 32px 0; border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.timeline-row { display: grid; grid-template-columns: 140px 1fr; gap: 24px; padding: 22px 28px; border-bottom: 1px solid var(--border); background: var(--surface); }
.timeline-row:last-child { border-bottom: none; }
.timeline-when { font-family: var(--mono); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--gold); padding-top: 3px; }
.timeline-what { font-size: 16px; color: var(--mid); line-height: 1.7; }
.timeline-what strong { color: var(--white); font-weight: 600; display: block; margin-bottom: 4px; }

.cta-band { background: var(--surface); border-top: 1px solid var(--border); padding: 80px 24px; text-align: center; }
.cta-band h2 { font-size: clamp(24px, 3.4vw, 36px); font-weight: 700; letter-spacing: -0.03em; margin-bottom: 12px; }
.cta-band p { font-size: 16px; color: var(--mid); max-width: 520px; margin: 0 auto 32px; }
.btn-primary { background: var(--gold); color: #000; font-weight: 600; font-size: 15px; padding: 14px 28px; border-radius: 8px; display: inline-block; transition: background 0.2s, transform 0.1s; }
.btn-primary:hover { background: var(--gold-lt); transform: translateY(-1px); }

footer { border-top: 1px solid var(--border); padding: 40px 48px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px; max-width: 1100px; margin: 0 auto; }
footer p { font-size: 12px; color: var(--dim); }
footer .footer-links { display: flex; gap: 24px; flex-wrap: wrap; }
footer .footer-links a { font-size: 13px; color: var(--mid); }
footer .footer-links a:hover { color: var(--white); }

@media (max-width: 768px) {
  nav { padding: 0 20px; }
  .nav-links { display: none; }
  .page-head { padding: 108px 20px 40px; }
  .prose { padding: 0 20px 56px; }
  .timeline-row { grid-template-columns: 1fr; gap: 6px; padding: 18px 20px; }
  footer { padding: 32px 20px; }
}