body{margin:0;font-family:Arial,sans-serif;background:#08121D;color:#fff}
nav{display:flex;justify-content:space-between;padding:20px 40px;background:#07101a}
nav a{color:#fff;margin-left:16px;text-decoration:none}
.hero{height:85vh;background:linear-gradient(135deg,#08121D,#123a60);display:flex;align-items:center;justify-content:center;text-align:center}
.overlay{max-width:900px;padding:20px}
h1{font-size:4rem}
section{padding:60px 10%;}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px}
.card{background:#10263d;padding:24px;border-radius:12px}
.btn{background:#2f8cff;color:#fff;padding:14px 24px;border-radius:8px;text-decoration:none;margin:8px;display:inline-block}
.secondary{background:transparent;border:1px solid #fff}
input,textarea,button{display:block;width:100%;max-width:500px;margin:10px 0;padding:12px}