:root {
 --accent:#5aa7ff;
 --card:#0b1224;
 --text:#e8eefc;
 --muted:#9aa7c2;
}
*{box-sizing:border-box}
body{
 margin:0;
 font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,sans-serif;
 color:var(--text);
 background:
   linear-gradient(180deg, rgba(2,6,23,.85), rgba(2,6,36,.9)),
   radial-gradient(circle at top, #0a1a3a, #020617 60%);
 background-attachment: fixed;
}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1050px;margin:0 auto;padding:30px 20px}
.nav{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;margin-bottom:24px;gap:12px}
.brand{font-weight:800;font-size:20px;letter-spacing:.4px}
.links a{margin-left:14px}
.hero{
 padding:40px 30px;
 border-radius:20px;
 background:linear-gradient(135deg, rgba(90,167,255,.12), rgba(10,26,58,.65));
 border:1px solid rgba(90,167,255,.25);
}
.card{
 margin-top:22px;
 padding:22px;
 border-radius:18px;
 background:rgba(11,18,36,.88);
 border:1px solid rgba(90,167,255,.18);
 box-shadow:0 10px 30px rgba(0,0,0,.35);
}
h1{margin:0 0 10px;font-size:36px;letter-spacing:-.02em}
h2{margin:22px 0 10px;font-size:22px}
p{margin:10px 0}
.muted{color:var(--muted)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}
.footer{margin-top:30px;font-size:13px;color:var(--muted)}
ul{margin:8px 0 0 20px}
li{margin:6px 0}
hr{border:none;border-top:1px solid rgba(255,255,255,.12);margin:20px 0}