body{font-family:Arial,sans-serif;margin:0;color:#1b1b1b;line-height:1.6}
header{background:#071a33;color:#fff;padding:1rem 2rem;display:flex;justify-content:space-between}
nav a{color:#fff;margin-left:1rem;text-decoration:none}
.hero{padding:5rem 2rem;background:linear-gradient(135deg,#071a33,#0f5bd7);color:white}
section{padding:3rem 2rem;max-width:1100px;margin:auto}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem}
.card{border:1px solid #ddd;padding:1rem;border-radius:8px}
footer{background:#071a33;color:#fff;padding:2rem;text-align:center}
.btn{background:#0f5bd7;color:#fff;padding:.8rem 1.2rem;border-radius:5px;text-decoration:none}