body{margin:0;background:#0b0d17;color:#e8e8f0;font:18px/1.7 system-ui}main,header,footer{max-width:960px;margin:auto;padding:24px}a{color:#c4b5fd}h1{font-size:clamp(2rem,5vw,3rem);line-height:1.2}li{margin:12px 0}a:focus-visible{outline:3px solid #fbbf24}footer{border-top:1px solid #555}