body{font-family:Inter,Arial,sans-serif;background:#0b1220;color:#e5e7eb;margin:0}
header{background:#020617}
nav{display:flex;gap:32px;justify-content:center;padding:16px}
a{color:#38bdf8;text-decoration:none;font-weight:500}
a:hover{opacity:.8}
.hero{background:linear-gradient(180deg,#020617,#0b1220);padding:120px 24px;text-align:left}
.hero h1{font-size:48px;max-width:900px}
.btn{background:#38bdf8;color:#020617;padding:14px 26px;border-radius:10px;font-weight:600}
.card{background:#020617;border-radius:14px;padding:24px;box-shadow:0 10px 30px rgba(0,0,0,.4)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px}
footer{background:#020617;padding:40px;color:#94a3b8}