body{margin:0;font-family:Segoe UI,Arial;background:#f4f7fb;color:#333}
header{position:sticky;top:0;background:#0b3b73;color:#fff;padding:16px 0}
.container{width:90%;margin:auto}
nav a{color:#fff;margin:0 12px;text-decoration:none}
.hero{background:linear-gradient(135deg,#0b3b73,#1e88e5);color:#fff;padding:90px 20px;text-align:center}
.btn{background:#ff9800;color:#fff;padding:12px 24px;border-radius:5px;text-decoration:none}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px;padding:40px 0}
.card{background:#fff;padding:20px;border-radius:10px;box-shadow:0 4px 16px rgba(0,0,0,.1)}
footer{background:#0b3b73;color:#fff;padding:20px;text-align:center;margin-top:40px}
section{padding:40px 0}