body{margin:0;font-family:Arial,Helvetica,sans-serif;background:#f4f6f8;color:#222}
header{background:#0f172a;color:#fff;padding:18px}
nav a{color:#fff;margin-right:18px;text-decoration:none;font-weight:600}
.container{max-width:1100px;margin:auto;padding:40px 20px}
.hero{background:#1e293b;color:#fff;padding:60px 20px;text-align:center}
.btn{display:inline-block;padding:16px 32px;background:#16a34a;color:#fff;
font-size:18px;border-radius:10px;text-decoration:none;font-weight:600}
.card{background:#fff;padding:25px;margin:20px 0;border-radius:10px;
box-shadow:0 8px 20px rgba(0,0,0,.08)}
footer{background:#020617;color:#94a3b8;text-align:center;padding:20px}