:root{color-scheme:dark}*{box-sizing:border-box}body{margin:0;background:#170c26;color:#f4ecfa;font:18px/1.7 system-ui,sans-serif}header,main,footer{max-width:880px;margin:auto;padding:24px}nav{display:flex;gap:20px;flex-wrap:wrap}a{color:#e4b6ff;text-underline-offset:4px}a:focus-visible{outline:3px solid #fff;outline-offset:5px}h1{font-size:clamp(2rem,6vw,3.4rem);line-height:1.15}h2{font-size:1.35rem}section{margin:32px 0;padding:24px;background:#251535;border:1px solid #533263;border-radius:16px}.cta{display:inline-block;padding:12px 22px;background:#693ba0;color:white;border-radius:12px}footer{border-top:1px solid #533263;font-size:16px}p{max-width:70ch}