:root{
  --bg:#0b0f17;
  --text:#e6edf7;
  --muted:#aab6cc;
  --line:rgba(255,255,255,.10);
  --accent:#2bd4ff;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  background:
    radial-gradient(900px 500px at 20% 10%, rgba(43,212,255,.10), transparent 55%),
    linear-gradient(180deg, var(--bg), #060a12 80%);
  color:var(--text);
}
a{color:inherit;text-decoration:none}
a:hover{color:var(--accent)}
.wrap{width:min(980px,92vw);margin:0 auto}
.topbar{
  position:sticky;top:0;z-index:10;
  backdrop-filter: blur(10px);
  background: rgba(11,15,23,.75);
  border-bottom:1px solid var(--line);
}
.topbar .wrap{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 0;gap:12px;flex-wrap:wrap;
}
.brand{font-weight:800;letter-spacing:.2px}
.nav{display:flex;gap:10px;flex-wrap:wrap;color:var(--muted);font-weight:600;font-size:14px}
.nav a{padding:8px 10px;border-radius:12px}
.nav a.active,.nav a:hover{background:rgba(255,255,255,.06);color:var(--text)}
.hero{padding:56px 0 18px}
h1{margin:0 0 10px;font-size:clamp(28px,4vw,46px);line-height:1.1}
p{margin:0;color:var(--muted);line-height:1.6}
.cta{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:10px 14px;border-radius:14px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.05);
  font-weight:700;
}
.btn.primary{
  border:none;
  background:linear-gradient(135deg, rgba(43,212,255,.92), rgba(124,58,237,.70));
  color:#071018;
}
.grid{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:12px;
  padding: 10px 0 44px;
}
.card{
  grid-column:span 4;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  border-radius:16px;
  padding:14px;
}
.card h2{margin:0 0 6px;font-size:15px}
.card p{font-size:14px}
.footer{
  border-top:1px solid var(--line);
  padding:18px 0;
  color:var(--muted);
  font-size:13px;
}
.foot{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;align-items:center}
@media (max-width:720px){
  .card{grid-column:span 12}
}