:root{color-scheme:dark;--bg:#0b1012;--panel:#182024;--line:#344247;--ink:#f0f3ee;--muted:#b3c0c3;--accent:#d4f87b}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:18px/1.9 system-ui,-apple-system,"Yu Gothic UI",sans-serif}a{color:var(--accent);text-underline-offset:5px}header,main,footer{max-width:1160px;margin:auto;padding:24px}nav{display:flex;gap:24px;align-items:center;flex-wrap:wrap}nav strong{margin-right:auto;font-size:24px}h1{font-size:clamp(36px,5vw,66px);line-height:1.3;letter-spacing:-.02em;margin:36px 0 24px}h2{font-size:30px;margin-top:64px;line-height:1.5}h3{font-size:22px;margin-top:0}.lead{font-size:23px;color:var(--muted);max-width:800px}.eyebrow{color:var(--accent);letter-spacing:.12em;font-size:16px}.actions{display:flex;gap:16px;flex-wrap:wrap;margin:32px 0}.button{background:var(--accent);color:#121a13;padding:12px 24px;border-radius:9px;text-decoration:none;font-weight:700}.secondary{background:var(--panel);color:var(--ink);border:1px solid var(--line)}img{width:100%;height:auto;border:1px solid var(--line);border-radius:18px;margin:24px 0}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px;margin:28px 0}.card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:28px}.card p{margin-bottom:0;color:var(--muted)}table{border-collapse:collapse;width:100%;margin:24px 0}th,td{text-align:left;padding:16px 12px;border-bottom:1px solid var(--line)}th{color:var(--accent)}.note{border-left:3px solid var(--accent);padding:16px 24px;background:var(--panel);margin:28px 0}li{margin:10px 0}footer{border-top:1px solid var(--line);margin-top:60px;font-size:15px;color:var(--muted)}:focus-visible{outline:3px solid var(--accent);outline-offset:5px}code{overflow-wrap:anywhere}summary{cursor:pointer;font-weight:700;padding:18px 0}@media(max-width:650px){header,main,footer{padding:18px}.lead{font-size:20px}table{font-size:16px}th,td{padding:12px 6px}}