body{font-family:Arial;margin:0;background:#eef3f9}header,footer{background:#081b3a;color:#fff;padding:20px}.wrap{max-width:1100px;margin:auto}nav a{color:#fff;margin-left:16px;text-decoration:none}.hero{background:linear-gradient(135deg,#0b3d91,#2563eb);color:#fff;padding:80px 20px}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;padding:40px 0}.card{background:#fff;padding:20px;border-radius:10px;box-shadow:0 6px 18px rgba(0,0,0,.1)}.btn{background:#fff;color:#0b3d91;padding:12px 18px;text-decoration:none;border-radius:6px}