body{background:#050910;color:#e8f7ff;font-family:Arial;margin:0}
header{display:flex;justify-content:space-between;align-items:center;padding:20px}
.logo{width:140px}
.hero{text-align:center;padding:40px}
.hero-img{width:320px}
section{padding:40px;text-align:center}
ul li{background:#0b111a;margin:10px auto;padding:10px;border-left:4px solid #00aaff;max-width:400px}
nav a{color:#00aaff;margin:0 8px;text-decoration:none}
footer{text-align:center;padding:20px;opacity:0.6}