:root {
  --bg: #0a0a0b;
  --panel: #111216;
  --panel-2: #17181d;
  --text: #ece8df;
  --muted: #aaa49a;
  --line: #292a31;
  --accent: #9a2f36;
  --accent-soft: #5d252b;
  --max: 1180px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background: radial-gradient(circle at top, #161217 0, var(--bg) 35%);
  font-family: Inter, system-ui, sans-serif;
  line-height: 1.7;
}
a { color: inherit; }
.noise {
  position: fixed; inset: 0; pointer-events: none; opacity: .035; z-index: 20;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.8'/%3E%3C/svg%3E");
}
.hero { min-height: 82vh; border-bottom: 1px solid var(--line); }
.topbar {
  max-width: var(--max); margin: 0 auto; padding: 24px 28px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.brand { font-weight: 800; letter-spacing: .16em; text-decoration: none; font-size: .86rem; }
.nav-links { display: flex; gap: 20px; flex-wrap: wrap; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: .92rem; }
.nav-links a:hover { color: var(--text); }
.menu-toggle { display: none; background: none; color: var(--text); border: 1px solid var(--line); padding: 8px 12px; }
.hero-inner { max-width: 850px; margin: 0 auto; padding: 14vh 28px 12vh; text-align: center; }
.eyebrow, .section-kicker { text-transform: uppercase; letter-spacing: .18em; font-size: .75rem; color: #c16b71; font-weight: 700; }
h1, h2 { font-family: "Playfair Display", Georgia, serif; line-height: 1.05; margin: 0; }
h1 { font-size: clamp(4rem, 12vw, 8rem); }
h2 { font-size: clamp(2.2rem, 5vw, 4.6rem); }
h3 { margin-top: 0; }
.lede { max-width: 720px; margin: 26px auto 0; color: var(--muted); font-size: 1.12rem; }
.hero-actions { margin-top: 34px; display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }
.button { padding: 12px 18px; border-radius: 999px; text-decoration: none; border: 1px solid var(--line); font-weight: 700; font-size: .92rem; }
.button.primary { background: var(--accent); border-color: var(--accent); }
.button.ghost { background: rgba(255,255,255,.02); }
.section { max-width: var(--max); margin: 0 auto; padding: 96px 28px; border-bottom: 1px solid var(--line); }
.intro-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 48px; align-items: start; }
.section-heading { max-width: 760px; margin-bottom: 40px; }
.section-heading > p:last-child { color: var(--muted); }
.card { background: linear-gradient(180deg, rgba(255,255,255,.035), rgba(255,255,255,.015)); border: 1px solid var(--line); border-radius: 18px; padding: 26px; }
.prose p:first-child { margin-top: 0; }
.prose p:last-child { margin-bottom: 0; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.quote-card span { color: var(--muted); font-size: .8rem; text-transform: uppercase; letter-spacing: .14em; }
blockquote { font-family: "Playfair Display", Georgia, serif; font-size: 1.6rem; margin: 18px 0 0; }
.quote-card.danger { border-color: var(--accent-soft); }
.wide-note { margin: 22px 0 0; color: var(--muted); }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 34px; }
.grade-list { display: grid; gap: 10px; }
.grade { padding: 16px 18px; border: 1px solid var(--line); border-radius: 14px; background: var(--panel); }
.grade b { display: block; margin-bottom: 5px; color: #e2b1b5; }
.grade span, .muted { color: var(--muted); }
.timeline { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.num { color: #c16b71; font-weight: 800; font-size: .78rem; letter-spacing: .15em; }
.underground { background: linear-gradient(180deg, transparent, rgba(91, 20, 28, .06)); }
.accordion-list { display: grid; gap: 12px; }
details { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 18px 20px; }
summary { cursor: pointer; font-weight: 700; }
details p { color: var(--muted); margin-bottom: 0; }
.reference-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.reference-grid article { border-top: 1px solid var(--line); padding: 18px 0; }
.reference-grid b { display: block; margin-bottom: 6px; }
.reference-grid span { color: var(--muted); }
footer { max-width: var(--max); margin: 0 auto; padding: 48px 28px 70px; text-align: center; }
@media (max-width: 820px) {
  .intro-grid, .two-col, .feature-grid, .timeline, .reference-grid { grid-template-columns: 1fr; }
  .menu-toggle { display: block; }
  .nav-links { display: none; position: absolute; right: 24px; top: 70px; flex-direction: column; background: #111216; border: 1px solid var(--line); border-radius: 14px; padding: 16px; min-width: 190px; }
  .nav-links.open { display: flex; }
  .topbar { position: relative; }
  .hero-inner { text-align: left; padding-top: 12vh; }
  .hero-actions { justify-content: flex-start; }
}