:root{color-scheme:dark;font-family:system-ui,sans-serif;background:#07111f;color:#e4edf7}*{box-sizing:border-box}body{margin:0}header,main,footer{max-width:900px;margin:auto;padding:24px}header{display:flex;justify-content:space-between;gap:20px;border-bottom:1px solid #26394e}.brand{font-weight:800;letter-spacing:.08em}a{color:#2bdb77}h1{font-size:clamp(2.2rem,7vw,3.7rem);line-height:1.08}h2{color:#2bdb77;font-size:1.6rem}p,li{line-height:1.7;font-size:1.05rem}section{padding:22px 0;border-bottom:1px solid #26394e}:focus-visible{outline:3px solid #2bdb77;outline-offset:4px}footer{padding-bottom:50px}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto}}