:root{
  --bg:#0f172a;
  --panel:#111827;
  --text:#e5e7eb;
  --muted:#9ca3af;
  --brand:#38bdf8;
  --accent:#22d3ee;
  --border:#1f2937;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial;background:var(--bg);color:var(--text);line-height:1.6}
a{color:var(--brand);text-decoration:none}
a:hover{color:var(--accent)}
.container{max-width:1100px;margin:0 auto;padding:24px}
.nav{position:sticky;top:0;z-index:10;background:rgba(15,23,42,.85);backdrop-filter:saturate(180%) blur(6px);border-bottom:1px solid var(--border)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 24px}
.brand{font-weight:700;letter-spacing:.3px}
.brand a{color:#fff}
.nav ul{display:flex;gap:18px;list-style:none;margin:0;padding:0}
.nav a{color:var(--text);opacity:.9}
.nav a.active{color:#fff}
.hero{padding:72px 24px 36px;text-align:center}
h1{font-size:clamp(28px,4vw,44px);margin:.2em 0}
h2{font-size:clamp(20px,2.6vw,28px);margin:1.2em 0 .4em}
p.lede{color:var(--muted);font-size:clamp(16px,2vw,18px);max-width:900px;margin:16px auto}
.cta{display:flex;gap:12px;justify-content:center;margin-top:22px;flex-wrap:wrap}
.button{display:inline-block;padding:12px 18px;border-radius:12px;background:var(--brand);color:#00121a;font-weight:600;border:1px solid transparent}
.button.secondary{background:transparent;color:var(--text);border-color:var(--border)}
.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:18px}
.card{grid-column:span 12;background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:18px}
@media(min-width:820px){.card.third{grid-column:span 4}.card.half{grid-column:span 6}}
.small{color:var(--muted);font-size:14px}
footer{border-top:1px solid var(--border);margin-top:48px;padding:22px;text-align:center;color:var(--muted)}
.notice{border-left:4px solid var(--brand);padding:12px 14px;background:#0b1224;border-radius:8px}