:root {
  --ink: #111216;
  --paper: #f6f0e5;
  --card: #fffaf0;
  --orange: #ff5b2e;
  --blue: #1d55ff;
  --aqua: #2de2c1;
  --yellow: #ffd445;
  --muted: #625f59;
  --line: rgba(17, 18, 22, .2);
  --max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 92% 4%, rgba(45,226,193,.2), transparent 25rem),
    radial-gradient(circle at 3% 36%, rgba(255,91,46,.14), transparent 28rem),
    var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.58;
}

a { color: inherit; }
img { max-width: 100%; }
.wrap { width: min(var(--max), calc(100% - 36px)); margin: 0 auto; }
.skip {
  position: fixed; left: 12px; top: -80px; z-index: 99;
  padding: 10px 14px; background: var(--ink); color: #fff;
}
.skip:focus { top: 12px; }
.nav {
  position: sticky; top: 0; z-index: 20;
  border-bottom: 1px solid var(--ink);
  background: rgba(246,240,229,.94);
  backdrop-filter: blur(14px);
}
.nav-in {
  display: flex; min-height: 62px; align-items: center;
  justify-content: space-between; gap: 20px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 950; text-decoration: none; }
.brand-mark {
  display: grid; width: 35px; height: 35px; place-items: center;
  border-radius: 50%; color: #fff; background: var(--ink);
}
.nav-links { display: flex; align-items: center; gap: 16px; font-size: 13px; font-weight: 850; }
.nav-links a { text-decoration: none; }
.nav-links a:hover, .nav-links a:focus-visible { text-decoration: underline; text-underline-offset: 4px; }
.lang {
  padding: 8px 11px; border: 1px solid var(--ink);
  background: var(--yellow); text-transform: uppercase;
}

.hero { padding: clamp(62px, 9vw, 118px) 0 58px; border-bottom: 1px solid var(--ink); }
.crumbs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 25px; font-size: 12px; font-weight: 800; }
.kicker {
  display: inline-flex; padding: 7px 11px; border: 1px solid var(--ink);
  background: var(--yellow); font-size: 11px; font-weight: 950;
  letter-spacing: .09em; text-transform: uppercase;
}
h1, h2, h3, p { margin-top: 0; }
h1 {
  max-width: 1000px; margin: 20px 0 26px;
  font-size: clamp(48px, 8.6vw, 108px); line-height: .88;
  letter-spacing: -.065em; text-transform: uppercase;
}
h1 em { color: var(--orange); font-style: normal; }
.lead { max-width: 800px; margin-bottom: 0; font-size: clamp(19px, 2.3vw, 28px); line-height: 1.3; }
.meta-rail { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 30px; }
.meta-rail span {
  padding: 9px 12px; border: 1px solid var(--ink); background: var(--card);
  font-size: 11px; font-weight: 900; text-transform: uppercase;
}
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.btn {
  display: inline-flex; min-height: 48px; align-items: center; justify-content: center;
  padding: 0 18px; border: 1px solid var(--ink); background: var(--ink); color: #fff;
  text-decoration: none; font-size: 12px; font-weight: 950; text-transform: uppercase;
  box-shadow: 4px 4px 0 var(--orange);
}
.btn.alt { color: var(--ink); background: transparent; box-shadow: none; }
.btn.tg { background: var(--blue); box-shadow: 4px 4px 0 var(--aqua); }

.section { padding: clamp(58px, 8vw, 92px) 0; border-bottom: 1px solid var(--ink); }
.section-head {
  display: grid; grid-template-columns: .55fr 1.45fr; gap: 24px;
  align-items: start; margin-bottom: 34px;
}
.eyebrow { color: var(--orange); font-size: 11px; font-weight: 950; letter-spacing: .09em; text-transform: uppercase; }
h2 {
  margin-bottom: 0; font-size: clamp(38px, 6vw, 74px);
  line-height: .94; letter-spacing: -.05em; text-transform: uppercase;
}
h3 { margin-bottom: 12px; font-size: 25px; line-height: 1.08; letter-spacing: -.025em; }

.route-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.route-card {
  min-height: 310px; padding: clamp(22px, 3vw, 34px);
  border: 1px solid var(--ink); background: var(--card);
}
.route-card:nth-child(2) { background: var(--yellow); }
.route-card:nth-child(3) { color: #fff; background: var(--ink); }
.route-card:nth-child(3) p, .route-card:nth-child(3) li { color: rgba(255,255,255,.76); }
.route-card:nth-child(4) { background: var(--aqua); }
.day {
  display: inline-flex; margin-bottom: 30px; padding: 6px 9px;
  border: 1px solid currentColor; font-size: 11px; font-weight: 950; text-transform: uppercase;
}
.route-card ul { margin: 16px 0 0; padding-left: 20px; }
.route-card li + li { margin-top: 8px; }

.fact-grid, .layer-grid, .proof-grid {
  display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 13px;
}
.fact, .layer, .proof {
  display: flex; min-height: 230px; flex-direction: column;
  padding: 21px; border: 1px solid var(--ink); background: var(--card);
}
.fact strong { display: block; margin-bottom: 16px; font-size: 35px; line-height: .95; }
.fact p, .layer p, .proof p { color: var(--muted); }
.fact a, .proof a {
  margin-top: auto; padding-top: 16px; color: var(--blue);
  font-size: 11px; font-weight: 950; text-transform: uppercase;
}
.layer b {
  display: block; margin-bottom: 16px; color: var(--orange);
  font-size: 11px; letter-spacing: .08em; text-transform: uppercase;
}
.proof-meta {
  display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 20px;
}
.proof-meta span {
  padding: 4px 7px; border: 1px solid currentColor;
  font-size: 9px; font-weight: 900; text-transform: uppercase;
}
.proof .signal {
  margin-top: auto; padding-top: 14px; border-top: 1px solid var(--line);
  font-size: 12px; font-weight: 800;
}
.proof a { margin-top: 12px; }

.split {
  display: grid; grid-template-columns: 1fr 1fr; gap: 14px;
}
.panel {
  padding: clamp(24px, 4vw, 42px); border: 1px solid var(--ink);
  background: var(--card);
}
.panel.dark { color: #fff; background: var(--ink); }
.panel.dark p, .panel.dark li { color: rgba(255,255,255,.74); }
.panel ul { margin: 18px 0 0; padding-left: 20px; }
.panel li + li { margin-top: 10px; }
.note {
  margin-top: 18px; padding: 17px; border-left: 7px solid var(--orange);
  background: rgba(255,212,69,.45); font-size: 14px;
}
.sources { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 10px; }
.source {
  display: flex; min-height: 110px; flex-direction: column; justify-content: space-between;
  padding: 16px; border: 1px solid var(--ink); background: var(--card); text-decoration: none;
}
.source b { font-size: 17px; }
.source span { color: var(--muted); font-size: 12px; }
.source:hover, .source:focus-visible { background: var(--yellow); }
.cta {
  padding: clamp(28px, 5vw, 54px); border: 1px solid var(--ink);
  color: #fff; background: var(--blue); box-shadow: 9px 9px 0 var(--aqua);
}
.cta h2 { max-width: 820px; }
.cta p { max-width: 760px; font-size: 18px; }
.disclaimer { max-width: 900px; color: var(--muted); font-size: 13px; }
footer { padding: 42px 0 60px; }
.footer-in { display: flex; justify-content: space-between; gap: 24px; align-items: end; }
.footer-title { font-size: clamp(32px, 5vw, 68px); font-weight: 950; letter-spacing: -.05em; line-height: .9; text-transform: uppercase; }
.footer-links { display: flex; flex-wrap: wrap; gap: 14px; justify-content: flex-end; font-size: 13px; font-weight: 850; }

@media (max-width: 860px) {
  .nav-links a:not(.lang) { display: none; }
  .section-head, .split { grid-template-columns: 1fr; }
  .fact-grid, .layer-grid, .proof-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
}

@media (max-width: 590px) {
  .wrap { width: min(100% - 24px, var(--max)); }
  .route-grid, .fact-grid, .layer-grid, .proof-grid, .sources { grid-template-columns: 1fr; }
  .route-card { min-height: 0; }
  .footer-in { align-items: start; flex-direction: column; }
  .footer-links { justify-content: flex-start; }
}
