:root{--bg:#0b1220;--text:#e6e8ef;--muted:#9aa3b2;--border:#27324a;--accent:#4fd1c5;--max:1120px}
*{box-sizing:border-box}html,body{margin:0;padding:0}
body{font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Helvetica,Arial;background:var(--bg);color:var(--text);line-height:1.5}
.container{max-width:var(--max);margin:0 auto;padding:20px}
header{position:sticky;top:0;z-index:10;background:rgba(11,18,32,.9);backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}
.nav{display:flex;gap:14px;align-items:center}
.nav a{color:#dfe4ef;text-decoration:none;padding:10px 12px;border-radius:10px}
.nav a:hover{background:#141e33}
.brand{font-weight:900;letter-spacing:.2px}
.hero{padding:40px 20px;border-bottom:1px solid var(--border)}
h1{font-size:clamp(28px,3.6vw,44px);margin:0 0 8px}
h2{margin:16px 0 8px}
.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:18px}
@media(max-width:900px){.grid{grid-template-columns:1fr}}
.card{grid-column:span 6;background:#0f1a31;border:1px solid var(--border);border-radius:14px;padding:16px}
.card p{color:var(--muted)}
.btn{display:inline-block;margin-top:8px;padding:12px 16px;border-radius:10px;background:#9ae6b4;color:#0b1220;font-weight:800;text-decoration:none}
.btn:hover{filter:brightness(1.05)}
footer{border-top:1px solid var(--border);margin-top:30px}
.small{font-size:13px;color:var(--muted)}
.content{background:#0f1a31;border:1px solid var(--border);border-radius:14px;padding:16px}
ul{margin:0 0 10px 18px}