body {font-family: Arial, sans-serif; margin:0; padding:0; background:#f4f4f4; color:#333;}
header {background:#003366; color:#FFD700; text-align:center; padding:20px;}
.logo {width:100px; display:block; margin:0 auto 10px auto;}
.tagline {font-style:italic; color:#fff;}
nav ul {list-style:none; margin:0; padding:10px; display:flex; justify-content:center; background:#0055aa;}
nav ul li {margin:0 15px;}
nav ul li a {color:#fff; text-decoration:none; font-weight:bold;}
section {padding:20px;}
.gallery {display:grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap:10px;}
.gallery img {width:100%; border-radius:8px;}
footer {background:#003366; color:#fff; text-align:center; padding:10px; margin-top:20px;}