body {margin:0;font-family:Arial, sans-serif;background:#f5f5f5;}
header {background:#0b2e26;color:white;padding:20px;}
header h1 {margin:0;}
nav a {color:#c9a646;margin-right:15px;text-decoration:none;}
.container {max-width:1100px;margin:auto;padding:40px 20px;}
.section {background:white;padding:20px;margin-bottom:20px;border-left:4px solid #c9a646;}
.back-home {display:inline-block;margin:15px 20px;color:#c9a646;text-decoration:none;font-weight:bold;}
footer {background:#0b2e26;color:white;text-align:center;padding:20px;}