:root{color-scheme:light dark;--bg:#f5f5f2;--panel:#fff;--ink:#1b2528;--muted:#626d6e;--border:#dce1dc;--accent:#256d50}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:var(--accent);text-underline-offset:4px}a:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:6px}header,main,footer{max-width:1120px;margin:auto;padding:28px 32px}header{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border);font-size:13px}header>a{font-weight:650;letter-spacing:1.8px;text-decoration:none;color:var(--ink)}nav{display:flex;gap:24px}nav a{text-decoration:none}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(44px,7vw,84px);line-height:1.05;letter-spacing:-.045em;font-weight:620;margin-bottom:28px}h2{font-size:32px;letter-spacing:-1px;line-height:1.2}h3{font-size:20px;line-height:1.3}.eyebrow{font-size:11px;font-weight:650;letter-spacing:2px;color:var(--accent);margin-bottom:22px}.hero{padding:70px 0 30px;max-width:860px}.intro{max-width:650px;font-size:21px;color:var(--muted)}.status{display:inline-flex;padding:10px 16px;border:1px solid var(--border);border-radius:99px;font-size:13px;background:var(--panel)}.screen{display:block;width:100%;border:1px solid var(--border);border-radius:20px;box-shadow:0 20px 60px #0000000c;margin:40px 0 65px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin:36px 0 70px}.card{padding:28px;background:var(--panel);border:1px solid var(--border);border-radius:16px}.card p{font-size:15px;color:var(--muted);margin-bottom:0}.prose{max-width:790px;padding-top:52px;padding-bottom:70px}.prose h1{font-size:56px}.prose h2{font-size:26px;margin-top:40px}.prose p,.prose li{color:var(--muted)}.notice{border-left:3px solid var(--accent);padding:10px 22px;margin:32px 0;background:var(--panel)}details{padding:20px 0;border-bottom:1px solid var(--border)}summary{cursor:pointer;font-weight:600}details p{margin:16px 0 4px}footer{border-top:1px solid var(--border);font-size:12px;color:var(--muted);padding-bottom:45px}.links{display:flex;gap:25px;margin-bottom:16px}@media(prefers-color-scheme:dark){:root{--bg:#171a1b;--panel:#202425;--ink:#f3f5f1;--muted:#a6b0ae;--border:#363d3c;--accent:#b2e5c3}}@media(max-width:700px){header,main,footer{padding-left:22px;padding-right:22px}.grid{grid-template-columns:1fr}.hero{padding-top:48px}.prose h1{font-size:44px}nav{gap:14px}}