:root{color-scheme:dark;font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;background:#071320;color:#eff6ff}*{box-sizing:border-box}body{margin:0;line-height:1.75}a{color:#91caff;text-underline-offset:3px}a:hover,a:focus-visible{color:#b6ff3b}header,main,footer{width:min(100% - 36px,900px);margin-inline:auto}header{padding:26px 0 17px;border-bottom:1px solid #30445a}header>a{text-decoration:none;font-weight:700}header nav{display:flex;gap:12px 22px;flex-wrap:wrap;margin-top:14px;font-size:.88rem}main{padding:32px 0 44px}h1{font-size:clamp(1.8rem,5vw,2.6rem);line-height:1.23;margin:0 0 18px;letter-spacing:-.03em}h2{margin:32px 0 8px;font-size:1.18rem}p{margin:0 0 18px;color:#d1dce9}.lead{font-size:1.12rem;color:#ecf5ff}.note{border-left:3px solid #b6ff3b;padding:12px 16px;background:#102438;border-radius:0 10px 10px 0}footer{padding:20px 0 38px;border-top:1px solid #30445a;color:#aec0d2;font-size:.82rem}:focus-visible{outline:2px solid #b6ff3b;outline-offset:4px}