:root{--bg:#0b1020;--card:#121a33;--text:#e9ecf1;--muted:#a8b0c2;--link:#7dd3fc;--btn:#22c55e;}
*{box-sizing:border-box} body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:#0b1020;color:var(--text);line-height:1.55}
a{color:var(--link);text-decoration:none} a:hover{text-decoration:underline}
.wrap{max-width:1050px;margin:0 auto;padding:18px}
header{position:sticky;top:0;background:rgba(11,16,32,.92);backdrop-filter:blur(8px);border-bottom:1px solid rgba(255,255,255,.08);z-index:10}
.logo{font-weight:800;letter-spacing:.2px}
.topnav a{margin-left:14px;color:var(--muted)}
.hero{padding:22px}
.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
@media(max-width:900px){.grid{grid-template-columns:1fr}}
.card{background:rgba(18,26,51,.92);border:1px solid rgba(255,255,255,.08);border-radius:16px;padding:16px;box-shadow:0 8px 30px rgba(0,0,0,.25)}
.btn{display:inline-block;background:rgba(34,197,94,.15);border:1px solid rgba(34,197,94,.45);padding:8px 12px;border-radius:999px}
ul{padding-left:18px}
footer{border-top:1px solid rgba(255,255,255,.08);margin-top:18px;color:var(--muted)}
.small{font-size:.92rem;color:var(--muted)}