body{font-family:Arial;background:#0f172a;color:#e5e7eb;margin:0}
header{background:#1e293b;padding:15px;text-align:center}
nav a{color:#38bdf8;margin:0 10px;text-decoration:none;font-weight:bold}
.container{padding:25px;max-width:1100px;margin:auto;background:#020617}
h1,h2,h3{color:#38bdf8}
footer{background:#1e293b;text-align:center;padding:10px;margin-top:20px}