body{font-family:Arial,sans-serif;max-width:1000px;margin:auto;padding:32px 20px;line-height:1.8;color:#e5eef8;background:#071224}header,main,footer{border:1px solid #263b58;border-radius:16px;padding:24px;margin:18px 0;background:#0d1b31}h1{font-size:clamp(2rem,5vw,4rem);line-height:1.2}h2{color:#67e8f9}a{color:#67e8f9}li{margin:8px 0}