:root{color-scheme:light;--paper:#fffbf4;--surface:#fffefd;--ink:#062344;--muted:#5e6570;--gold:#946018;--line:#e8ddcd;--tint:#f8eedb}
*{box-sizing:border-box}
html{scroll-padding-top:24px}
body{margin:0;min-height:100vh;display:flex;flex-direction:column;background:var(--paper);color:var(--ink);font:16px/1.65 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
header,main,footer{width:100%;max-width:1100px;margin-inline:auto;padding:24px 32px}
header{display:flex;align-items:center;justify-content:space-between;gap:24px;border-bottom:1px solid var(--line)}
.brand{display:block;flex-shrink:0}.brand img{display:block;width:190px;height:auto}
nav{display:flex;gap:24px;flex-wrap:wrap}nav a{text-decoration:none;padding-block:8px}nav a[aria-current=page]{color:var(--gold);text-decoration:underline;text-underline-offset:8px}
main{flex:1;padding-block:48px 64px}.document{max-width:820px}
a{color:var(--gold);text-underline-offset:4px;text-decoration-thickness:1px}a:hover{text-decoration-thickness:2px}
a:focus-visible,summary:focus-visible{outline:3px solid var(--gold);outline-offset:5px;border-radius:3px}
.skip{position:absolute;left:20px;top:-90px;z-index:2;padding:10px 16px;background:var(--surface);border:1px solid var(--gold)}.skip:focus{top:12px}
h1{font-size:clamp(36px,5.2vw,62px);line-height:1.09;letter-spacing:-.045em;margin:12px 0 24px;font-weight:780;text-wrap:balance}
h1 span{color:var(--gold)}h2{font-size:24px;line-height:1.25;letter-spacing:-.025em;margin:32px 0 12px}
p{margin:0 0 16px;max-width:72ch}.lead{font-size:19px;line-height:1.65;color:var(--muted)}
.eyebrow{font-size:11px;letter-spacing:.13em;font-weight:750;color:var(--gold);margin-bottom:14px}
.languages,.release-status{font-size:13px;color:var(--muted)}.release-status{margin-top:16px}
.hero{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(240px,.8fr);gap:56px;align-items:center}
.actions{display:flex;align-items:center;flex-wrap:wrap;gap:20px;margin-top:28px}
.button{display:inline-flex;align-items:center;justify-content:space-between;gap:24px;min-height:48px;padding:12px 20px;background:var(--ink);color:white;border-radius:12px;text-decoration:none;font-weight:650}.button:hover{background:#153b60;text-decoration:none}
.book-panel{border:1px solid var(--line);border-radius:24px;background:linear-gradient(145deg,var(--surface),var(--tint));padding:30px}
.book-panel img{display:block;width:112px;height:112px;object-fit:contain;margin-bottom:24px}.book-panel ul{list-style:none;padding:0;margin:0 0 24px}.book-panel li{padding-block:12px;border-bottom:1px solid var(--line);font-weight:650}.book-panel>p:last-child{font-size:14px;color:var(--muted);margin:0}
.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:56px}.card{display:block;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:24px;color:var(--ink);text-decoration:none}.card h2{font-size:21px;margin:0 0 14px}.card p:last-child{color:var(--muted);font-size:14px;margin:0}.card-link:hover{border-color:var(--gold);text-decoration:none}
.notice{background:var(--tint);border-inline-start:3px solid var(--gold);border-radius:0 12px 12px 0;padding:20px 24px;margin-block:28px}.notice p{margin:6px 0 0;color:var(--muted)}
.document section{margin-top:36px}.document article h2{scroll-margin-top:24px}.document ol{padding-left:24px}.document li{padding-left:5px;margin-block:10px}
details{border-bottom:1px solid var(--line);padding-block:16px}summary{cursor:pointer;font-weight:650;padding-inline-end:12px}details p{margin:14px 0 0;color:var(--muted)}
footer{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;border-top:1px solid var(--line);font-size:13px;color:var(--muted);overflow-wrap:anywhere}
code{font:inherit;font-family:ui-monospace,monospace;font-size:.9em;background:var(--tint);padding:2px 5px;border-radius:4px}
article a{overflow-wrap:anywhere}
@media(max-width:760px){.hero{grid-template-columns:1fr;gap:32px}.book-panel{padding:24px}.book-panel img{width:72px;height:72px;margin-bottom:16px}.cards{grid-template-columns:1fr;margin-top:32px}.card{padding:20px}}
@media(max-width:480px){header,main,footer{padding-inline:20px}header{padding-block:16px;gap:16px;flex-wrap:wrap}.brand img{width:166px}nav{gap:20px;font-size:14px}main{padding-block:32px 48px}.lead{font-size:17px}.actions{gap:16px}h2{font-size:22px}.notice{padding:16px 18px}}
@media(prefers-reduced-motion:no-preference){.button,.card-link{transition:background-color 140ms,border-color 140ms}}