:root{--paper:#f5f1e8;--ink:#17252a;--muted:#536561;--copper:#a34f32;--line:#d5d8cb;--radius:8px;--space:clamp(20px,5vw,68px)}
*{box-sizing:border-box}html{scroll-padding-top:24px}body{margin:0;background:var(--paper);color:var(--ink);font:18px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:var(--copper);text-decoration-thickness:1px;text-underline-offset:4px}a:hover{text-decoration-thickness:2px}a:focus-visible{outline:3px solid var(--copper);outline-offset:5px}header,main,footer{max-width:1180px;margin:auto;padding-inline:var(--space)}header{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-block:30px}header nav,footer nav{display:flex;flex-wrap:wrap;gap:10px 22px}header nav a,footer nav a{font-size:14px;color:var(--ink);padding-block:4px}a[aria-current=page]{font-weight:650}.brand{font-size:14px;font-weight:700;letter-spacing:.12em;color:var(--ink);text-decoration:none;white-space:nowrap}.brand span{letter-spacing:0;font-weight:450}.draft{background:#e9d8c6;color:#6b492e;text-align:center;padding:8px 18px;font-size:12px}.skip{position:fixed;top:-100px;left:20px;z-index:2;background:var(--paper);padding:12px}.skip:focus{top:12px}main{padding-block:32px 80px}.hero{display:grid;grid-template-columns:1.1fr 1fr;gap:32px;align-items:center}.eyebrow{font-size:13px;font-weight:650;text-transform:uppercase;letter-spacing:.09em;color:var(--muted);margin:0 0 18px}h1{font-size:clamp(36px,5vw,60px);line-height:1.08;letter-spacing:-.045em;margin:0 0 28px;max-width:13ch}.lead{font-size:clamp(19px,2vw,23px);line-height:1.5;color:var(--muted);max-width:34ch}.version{font-size:14px;color:var(--muted);margin-top:26px}.button{display:inline-flex;min-height:48px;align-items:center;padding:10px 20px;border:1px solid transparent;border-radius:var(--radius);background:var(--ink);color:var(--paper);font-size:16px;text-decoration:none}.button:hover{background:#2d4146}figure{margin:0;text-align:center}figure img{display:block;width:100%;height:auto;max-height:580px}figcaption{font-size:13px;color:var(--muted);margin-top:12px}.intro{max-width:720px;margin-top:64px}h2{font-size:25px;line-height:1.25;letter-spacing:-.02em;margin:44px 0 16px}h3{font-size:19px;line-height:1.3;margin:28px 0 12px}p{margin:0 0 18px}article{max-width:720px;margin:auto}article h1{max-width:none}article .lead{max-width:48ch}.contents{display:flex;flex-wrap:wrap;gap:8px 18px;margin:28px 0 40px;padding-block:18px;border-block:1px solid var(--line);font-size:14px}ol{padding-left:24px}li{margin-bottom:14px}.limits{margin:28px 0}.limits div{display:flex;justify-content:space-between;gap:24px;padding-block:10px;border-bottom:1px solid var(--line)}dt{font-weight:550}dd{margin:0;color:var(--muted)}.pending{padding:16px 20px;border-left:3px solid var(--copper);background:#eee4d7;font-size:15px}footer{border-top:1px solid var(--line);display:flex;flex-wrap:wrap;justify-content:space-between;gap:20px;padding-block:28px 44px;font-size:14px;color:var(--muted)}@media(max-width:720px){header{align-items:flex-start;flex-direction:column;gap:16px;padding-block:24px}.hero{grid-template-columns:1fr;gap:36px}.hero figure{max-width:380px;margin:auto}h1{max-width:16ch}main{padding-top:18px}.intro{margin-top:44px}.limits div{font-size:16px}.brand span{display:inline}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
/* Language selection belongs to the existing paper/copper component family. */
header{display:block}header>.header-top{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px}header>nav{gap:8px 24px}h1{overflow-wrap:anywhere;hyphens:auto}.language-picker{position:relative;flex-shrink:0;z-index:5}.language-picker summary{display:flex;align-items:center;gap:9px;min-height:44px;padding:8px 12px;border:1px solid var(--copper);border-radius:var(--radius);font-size:14px;font-weight:600;color:var(--ink);cursor:pointer;list-style:none;background:var(--paper)}.language-picker summary::-webkit-details-marker{display:none}.language-picker summary:hover{background:#eee4d7}.language-picker summary:focus-visible{outline:3px solid var(--copper);outline-offset:3px}.language-picker svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}.language-picker summary>svg:last-child{width:16px;height:16px}.language-picker[open] summary>svg:last-child{transform:rotate(180deg)}.language-options{position:absolute;top:calc(100% + 8px);right:0;width:244px;max-width:calc(100vw - 40px);max-height:min(70dvh,540px);overflow-y:auto;overscroll-behavior:contain;padding:6px;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 12px 32px #17252a24}.language-options a{display:flex;justify-content:space-between;align-items:center;gap:12px;min-height:44px;padding:8px 12px;border-radius:4px;text-decoration:none;font-size:16px;color:var(--ink)}.language-options a:hover,.language-options a:focus-visible{background:#eee4d7}.language-options a[aria-current]{background:#e9dece;color:var(--copper);font-weight:650}.language-options svg{width:18px;height:18px}@media(max-width:400px){header>.header-top{gap:10px}.brand{font-size:12px;letter-spacing:.07em}.language-picker summary{padding:8px;gap:6px;font-size:13px}header>nav{gap:8px 16px}}
.language-picker summary{-webkit-tap-highlight-color:transparent}.language-picker[open] summary{background:#eee4d7}.language-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));width:360px}.language-options a{font-size:15px;gap:6px;white-space:nowrap}.language-options a>span{min-width:0}