:root{color-scheme:dark;--bg:#09111a;--card:#13202c;--text:#f5f8fa;--muted:#a9b8c4;--mint:#6ee8c2;--line:#2c3b48}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font:17px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:var(--mint);text-underline-offset:4px}a:focus-visible,summary:focus-visible{outline:3px solid var(--mint);outline-offset:5px}header,main,footer{max-width:1060px;margin:auto;padding:28px 28px}header{display:flex;align-items:center;justify-content:space-between;gap:24px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;color:var(--text);text-decoration:none;font-size:20px;font-weight:700;white-space:nowrap}.brand img{width:44px;height:44px;border-radius:12px}nav{display:flex;gap:24px;font-size:15px}nav a{text-decoration:none}nav [aria-current=page]{color:white;text-decoration:underline}.hero{padding:54px 0 36px;max-width:770px}.eyebrow{text-transform:uppercase;letter-spacing:.16em;font-size:12px;font-weight:700;color:var(--mint)}h1{font-size:clamp(36px,6vw,66px);line-height:1.08;letter-spacing:-.045em;margin:18px 0 24px}h2{font-size:26px;line-height:1.25;letter-spacing:-.025em;margin:0 0 16px}h3{font-size:18px;margin:0 0 8px}p{margin:0 0 18px}.intro{font-size:21px;color:var(--muted)}.grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:24px 0}.card{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:28px}.number{display:inline-grid;place-items:center;width:32px;height:32px;border-radius:50%;background:#1c3c3b;color:var(--mint);font-size:15px;margin-bottom:16px;font-weight:700}.quiet{color:var(--muted)}.notice{border-left:3px solid var(--mint);padding:12px 20px;background:#10252b;border-radius:0 12px 12px 0;margin:24px 0}.button{display:inline-block;border-radius:30px;padding:11px 22px;background:var(--mint);color:var(--bg);font-weight:650;text-decoration:none}.section{margin:48px 0}details{border-top:1px solid var(--line);padding:18px 0}details:last-child{border-bottom:1px solid var(--line)}summary{cursor:pointer;font-weight:650;padding-right:18px}details p{color:var(--muted);margin:14px 0 0}ol,ul{padding-left:24px}li{margin:10px 0}.prose{max-width:780px}.prose section{margin:34px 0}.prose h2{font-size:23px}.prose p,.prose li{color:var(--muted)}footer{margin-top:48px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}.footer-links{display:flex;gap:22px;margin-bottom:14px}.skip{position:absolute;top:-100px;left:16px;padding:10px;background:var(--mint);color:var(--bg)}.skip:focus{top:8px}@media(max-width:620px){header,main,footer{padding-left:20px;padding-right:20px}header{gap:12px}.brand{font-size:17px;gap:8px}.brand img{width:36px;height:36px}nav{gap:14px;font-size:14px}.hero{padding-top:36px}.grid{grid-template-columns:1fr}.card{padding:22px}.intro{font-size:19px}}