body {margin:0;font-family:Arial,Helvetica,sans-serif;background:#f4f6f8;color:#1a1a1a;}

header {background:#0b2a4a;color:white;padding:18px 40px;border-bottom:4px solid #c8a96a;}
header h1 {margin:0;font-size:24px;}

nav a {color:#dbe4f0;text-decoration:none;margin-right:20px;font-size:14px;}
nav a:hover {text-decoration:underline;}

.section {padding:50px 40px;max-width:1000px;margin:20px auto;background:white;border:1px solid #d1d5db;}
.section h3 {border-bottom:2px solid #0b2a4a;padding-bottom:8px;color:#0b2a4a;}

.grid {display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:25px;margin-top:20px;}
.box {border:1px solid #cfd6df;padding:20px;background:#f9fafb;}
.box h4 {margin-top:0;color:#0b2a4a;}

footer {margin-top:40px;background:#0b2a4a;color:#e5e7eb;text-align:center;padding:25px;font-size:14px;}