:root {
  --bg: #0b1220;
  --panel: #111a2e;
  --text: #eef4ff;
  --muted: #aab7d1;
  --line: rgba(255,255,255,.12);
  --accent: #6aa7ff;
  --accent2: #9ed0ff;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: radial-gradient(circle at top left, #172849 0, #0b1220 44%, #070b13 100%);
  color: var(--text);
  line-height: 1.65;
}
a { color: var(--accent2); text-decoration: none; }
a:hover { text-decoration: underline; }
.container { width: min(980px, calc(100% - 32px)); margin: 0 auto; }
.header { border-bottom: 1px solid var(--line); backdrop-filter: blur(18px); background: rgba(7,11,19,.72); position: sticky; top: 0; z-index: 10; }
.nav { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 18px 0; }
.brand { font-size: 20px; font-weight: 700; letter-spacing: .2px; color: var(--text); }
.links { display: flex; gap: 18px; flex-wrap: wrap; font-size: 14px; }
.hero { padding: 72px 0 42px; }
.hero h1 { font-size: clamp(38px, 7vw, 68px); line-height: 1.04; margin: 0 0 18px; letter-spacing: -1.5px; }
.hero p { font-size: 20px; color: var(--muted); max-width: 760px; margin: 0; }
.card { background: rgba(17,26,46,.78); border: 1px solid var(--line); border-radius: 22px; padding: 28px; margin: 24px 0; box-shadow: 0 18px 60px rgba(0,0,0,.22); }
h2 { margin: 0 0 14px; font-size: 26px; letter-spacing: -.3px; }
h3 { margin: 24px 0 8px; font-size: 19px; }
p, li { color: var(--muted); }
ul { padding-left: 22px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 18px; margin-top: 24px; }
.tile { background: rgba(255,255,255,.055); border: 1px solid var(--line); border-radius: 18px; padding: 20px; }
.tile h3 { margin-top: 0; color: var(--text); }
.notice { border-left: 4px solid var(--accent); padding-left: 18px; color: var(--muted); }
.footer { border-top: 1px solid var(--line); margin-top: 48px; padding: 28px 0; color: var(--muted); font-size: 14px; }
.meta { color: var(--muted); font-size: 14px; margin-top: -8px; }
.button { display: inline-block; margin-top: 20px; padding: 12px 18px; border-radius: 999px; background: #2563eb; color: #fff; font-weight: 650; }
.button:hover { text-decoration: none; background: #1d4ed8; }
@media (max-width: 720px) {
  .nav { align-items: flex-start; flex-direction: column; }
  .links { gap: 12px; }
  .hero { padding-top: 44px; }
  .card { padding: 22px; }
}