body{margin:0;font-family:Arial,sans-serif;background:#f7f9fc;color:#1f2937}header{background:#0A2540;color:#fff;padding:18px}nav a{color:#fff;text-decoration:none;margin:0 14px;font-weight:700}.hero{background:linear-gradient(135deg,#0A2540,#123b6d);color:#fff;padding:90px 20px;text-align:center}.btn{display:inline-block;background:#F5B041;color:#111;padding:12px 18px;margin:6px;border-radius:6px;text-decoration:none;font-weight:bold}.section{max-width:1100px;margin:auto;padding:50px 20px}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}.card{background:white;padding:20px;border-radius:10px;box-shadow:0 2px 10px rgba(0,0,0,.08)}footer{background:#0A2540;color:white;text-align:center;padding:18px}