body{font-family:Arial,sans-serif;margin:0;background:#08111f;color:white}
header{display:flex;justify-content:space-between;padding:20px;background:#0d1a2f}
nav a{color:white;margin-left:15px;text-decoration:none}
.hero{padding:100px 20px;text-align:center;background:linear-gradient(135deg,#08111f,#00a8ff)}
.btn{display:inline-block;margin:10px;padding:12px 20px;background:white;color:#08111f;text-decoration:none;border-radius:6px}
section{padding:60px 20px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px}
.card{background:#13233f;padding:20px;border-radius:10px}
footer{text-align:center;padding:20px;background:#0d1a2f}