:root {
  color-scheme: dark;
  --background: #07191e;
  --surface: #0d2930;
  --surface-strong: #113740;
  --mint: #bfeee1;
  --mint-strong: #7fd4c2;
  --amber: #ffbd54;
  --text: #f5f7f4;
  --muted: #b9c7c5;
  --line: rgba(191, 238, 225, 0.18);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at 10% 0%, #124451 0, transparent 36rem), var(--background);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}

a { color: var(--mint-strong); }
.shell { width: min(920px, calc(100% - 32px)); margin: 0 auto; }
.topbar {
  border-bottom: 1px solid var(--line);
  background: rgba(7, 25, 30, 0.86);
  backdrop-filter: blur(18px);
  position: sticky;
  top: 0;
  z-index: 10;
}
.nav { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: flex; align-items: baseline; gap: 8px; color: var(--text); text-decoration: none; font-size: 1.3rem; font-weight: 800; }
.brand span { color: var(--mint-strong); }
.links { display: flex; flex-wrap: wrap; gap: 16px; }
.links a { color: var(--muted); text-decoration: none; font-weight: 650; }
.links a:hover, .links a:focus-visible { color: var(--mint); }
main { padding: 64px 0 88px; }
.hero { padding: clamp(34px, 7vw, 72px); border: 1px solid var(--line); border-radius: 36px; background: linear-gradient(135deg, rgba(17, 55, 64, .96), rgba(8, 31, 37, .9)); box-shadow: 0 28px 80px rgba(0,0,0,.24); }
.eyebrow { color: var(--amber); font-weight: 800; letter-spacing: .14em; text-transform: uppercase; font-size: .78rem; }
h1 { margin: 8px 0 12px; font-size: clamp(2.7rem, 8vw, 5.6rem); line-height: .98; letter-spacing: -.045em; }
.lead { max-width: 620px; margin: 0; color: var(--mint); font-size: clamp(1.15rem, 3vw, 1.55rem); }
.cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; margin-top: 24px; }
.card, .policy-section { padding: 28px; border: 1px solid var(--line); border-radius: 24px; background: rgba(13, 41, 48, .82); }
.card h2, .policy-section h2 { margin-top: 0; }
.button { display: inline-flex; margin-top: 8px; padding: 12px 18px; border-radius: 999px; background: var(--mint-strong); color: #05242a; text-decoration: none; font-weight: 800; }
.notice { margin: 0 0 28px; padding: 18px 22px; border-left: 4px solid var(--amber); background: rgba(255, 189, 84, .08); border-radius: 12px; }
.language-label { color: var(--amber); font-weight: 800; }
.policy-section { margin-top: 20px; }
.policy-section h3 { margin-top: 30px; }
footer { border-top: 1px solid var(--line); color: var(--muted); padding: 30px 0 42px; }

@media (max-width: 680px) {
  .nav { align-items: flex-start; flex-direction: column; padding: 16px 0; }
  .cards { grid-template-columns: 1fr; }
  main { padding-top: 32px; }
  .hero { border-radius: 26px; }
}