body{margin:0;font-family:Arial,sans-serif;background:#08111f;color:#eef5ff}
header{padding:80px 20px;text-align:center;background:linear-gradient(135deg,#4f46e5,#06b6d4)}
nav{background:#10182c;padding:12px;text-align:center}
nav a{color:#fff;text-decoration:none;margin:0 10px}
section{max-width:1000px;margin:auto;padding:50px 20px}
.card{background:#13203d;padding:20px;border-radius:12px}
footer{text-align:center;padding:30px;border-top:1px solid #333;color:#aaa}
.btn{display:inline-block;background:#06b6d4;color:#00131a;padding:12px 20px;border-radius:8px;text-decoration:none;font-weight:bold}