:root{--ink:#173532;--muted:#536762;--accent:#146d59;--line:#dce4dd;--paper:#fbfcf8;--soft:#f0f4ee;--sidebar:#132c2c;--sidebar-text:#d0ded8;--radius:12px;scroll-behavior:smooth;color-scheme:light}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:var(--accent);text-underline-offset:3px}a:hover{text-decoration-thickness:2px}a:focus-visible,[tabindex]:focus-visible{outline:3px solid #b87b18;outline-offset:5px}p{margin:0 0 1rem}h1,h2,h3{line-height:1.2;margin:0;text-wrap:balance}h1{font-size:clamp(2.6rem,4.5vw,4.6rem);letter-spacing:-.058em;font-weight:650;max-width:870px}h2{font-size:clamp(1.85rem,2.5vw,2.6rem);letter-spacing:-.035em;margin-bottom:1rem;font-weight:640}h3{font-size:1.25rem;letter-spacing:-.02em;font-weight:650}code{font: .86em/1.5 ui-monospace,SFMono-Regular,Consolas,monospace;overflow-wrap:anywhere;background:#eaf0e8;border-radius:4px;padding:.1em .3em}section,article[id],.subsection{scroll-margin-top:30px}.skip-link{position:fixed;top:-100px;left:16px;z-index:100;background:#fff;padding:10px 18px}.skip-link:focus{top:10px}
.sidebar{position:fixed;inset:0 auto 0 0;width:248px;padding:36px 26px 25px;background:var(--sidebar);color:var(--sidebar-text);display:flex;flex-direction:column;z-index:10;overflow-y:auto}.brand{color:#f4f6ec;display:flex;align-items:center;gap:13px;text-decoration:none;font-size:32px;letter-spacing:-.05em;line-height:1}.brand-mark{width:42px;height:46px;border:1px solid #728e81;border-radius:8px;display:grid;place-items:center;color:#d6efba;font:600 25px/1 ui-monospace,monospace}.brand-sub{display:block;font-size:9px;letter-spacing:.22em;color:#b4c8bd;margin:9px 0 0 2px}.nav-label{font-size:10px;letter-spacing:.18em;color:#9bb5a8;margin:57px 0 16px;font-weight:700}.sidebar nav{display:grid;gap:3px}.sidebar nav a{padding:9px 11px;margin-left:-11px;border-radius:6px;color:var(--sidebar-text);font-size:14px;text-decoration:none}.sidebar nav a:hover,.sidebar nav a:focus-visible{color:#fff;background:#25423f}.sidebar-note{border-top:1px solid #3a514b;margin-top:auto;padding-top:24px;font-size:12px;color:#e0ebd7}.sidebar-note p{margin:6px 0 13px;color:#b5c9bd;font:11px/1.6 ui-monospace,monospace}.sidebar-note small{font-size:11px;color:#adc1b6;line-height:1.65}.status-dot{display:inline-block;width:6px;height:6px;background:#c8e3a5;border-radius:100%;margin-right:5px}.repo-link{font-size:12px;color:#c6d9cc;margin-top:24px;text-decoration:none;display:flex;justify-content:space-between}main{margin-left:248px;min-width:0}.topbar{height:75px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 52px;font-size:12px;gap:24px;color:var(--muted)}.topbar a{text-decoration:none;font-weight:550}.content{max-width:1230px;padding:0 52px;margin:auto}.eyebrow{font-size:10px;line-height:1.5;font-weight:750;letter-spacing:.17em;color:var(--accent);margin-bottom:20px}.hero{padding:69px 0 54px}.lead{font-size:clamp(1.12rem,1.5vw,1.3rem);line-height:1.6;max-width:720px;margin:28px 0 18px;color:#3e5951}.hero-description{color:var(--muted);max-width:710px;font-size:15px}.hero-actions{display:flex;gap:27px;align-items:center;flex-wrap:wrap;margin-top:31px}.button{display:inline-flex;align-items:center;gap:26px;border-radius:7px;background:var(--ink);padding:12px 18px;color:#fff;text-decoration:none;font-size:13px;font-weight:600}.button:hover{background:#275246}.text-link{font-size:13px;font-weight:600;text-decoration:none}.text-link:hover{text-decoration:underline}.stats{display:grid;grid-template-columns:repeat(3,1fr);margin:47px 0 19px;border:1px solid var(--line);border-radius:var(--radius);background:#f5f7f1}.stats div{padding:23px 27px;display:flex;align-items:center;gap:16px}.stats div+div{border-left:1px solid var(--line)}.stats strong{font-size:30px;font-weight:550;letter-spacing:-.05em}.stats span{font-size:12px;line-height:1.4;color:var(--muted);max-width:130px}.caption{color:var(--muted);font-size:12px;line-height:1.75;margin:18px 0 0}.caption a{color:inherit}
section:not(.hero){border-top:1px solid var(--line);padding:51px 0 54px}.section-heading>p:last-child{color:var(--muted);max-width:780px;font-size:15px;margin-bottom:27px}.section-heading .eyebrow{margin-bottom:15px}.stage-index{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;border:1px solid var(--line);background:var(--line);border-radius:9px;overflow:hidden;margin:27px 0 23px}.stage-index a{display:flex;gap:10px;align-items:center;background:var(--soft);padding:14px 13px;text-decoration:none;font-size:12px;font-weight:600}.stage-index a:hover{background:#e3eede}.stage-index span{color:#687e68;font:10px/1 ui-monospace,monospace}.notice{padding:17px 20px;border-left:3px solid #87a675;background:#f0f4e9;border-radius:0 7px 7px 0;font-size:13px;line-height:1.8;color:#425c43;margin:24px 0}.notice strong{color:#29452e}.stages{margin-top:37px}.stage{position:relative;display:grid;grid-template-columns:39px minmax(0,1fr);gap:24px;padding:0 0 33px}.stage:not(:last-child):before{content:"";position:absolute;left:19px;top:36px;bottom:-2px;border-left:1px solid #cbd8c8}.stage-number{background:#e9efdf;border:1px solid #cbd8c1;border-radius:100%;height:39px;width:39px;display:grid;place-items:center;font:11px/1 ui-monospace,monospace;position:relative;color:#425e39}.stage-content{border:1px solid var(--line);border-radius:var(--radius);padding:27px 29px;background:#fff;min-width:0;box-shadow:0 3px 5px #18322803}.stage-heading{display:flex;align-items:center;justify-content:space-between;gap:16px}.stage-heading h3{font-size:21px}.badge{display:inline-block;white-space:nowrap;font-size:10px;line-height:1.5;font-weight:650;padding:4px 9px;border-radius:4px;letter-spacing:.01em}.specified{background:#e7f0df;color:#365923}.deferred{background:#f1eee3;color:#71592c}.owner{font-size:9px;letter-spacing:.12em;font-weight:650;color:#60786c;margin:12px 0 16px}.stage-content>p:not(.owner){font-size:14px;color:var(--muted)}.handoff{font-size:13px;margin:21px 0 0}.handoff>div{display:grid;grid-template-columns:111px minmax(0,1fr);gap:18px;border-top:1px solid #e9ede6;padding:12px 0}.handoff dt{font-size:11px;font-weight:650;color:var(--muted);padding-top:1px}.handoff dd{margin:0}.handoff a{text-decoration:none}.handoff a:hover{text-decoration:underline}.stage-content .boundary-note{border-top:1px solid var(--line);margin:2px 0 0;padding-top:14px;font-size:12px!important}.side-input .stage-content{background:#f6f8f2;border-style:dashed}.side-input .stage-number{border-radius:8px;background:#f8f8ef}.publication-grid,.ownership-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.panel{border:1px solid var(--line);border-radius:var(--radius);padding:27px;background:#fff}.panel-label{display:block;font-size:9px;font-weight:700;letter-spacing:.14em;color:var(--muted);margin-bottom:14px}.panel p{font-size:14px;color:var(--muted);margin:16px 0 0}.panel h3 a{color:inherit;text-decoration:none}.panel h3 a:hover{text-decoration:underline}.panel ul{margin:19px 0 0;padding-left:18px;font-size:13px;color:var(--muted)}.panel li+li{margin-top:11px}.panel.dark{background:var(--ink);color:#f5f8ec;border-color:var(--ink)}.panel.dark .panel-label{color:#b9d1bd}.panel.dark ul{color:#d8e4d9}.subsection{margin-top:33px}.subsection>p{color:var(--muted);font-size:14px;margin-top:12px}.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:9px;background:#fff;margin-top:22px}table{border-collapse:collapse;text-align:left;width:100%;font-size:12px;line-height:1.75}th,td{padding:15px 18px;border-bottom:1px solid #e5eae3;vertical-align:top}thead th{font-weight:650;font-size:10px;letter-spacing:.045em;background:#f0f4eb;color:#52634c}tbody th{font-weight:550}tbody tr:last-child>*{border-bottom:0}td{color:var(--muted)}td code{font-size:11px;white-space:nowrap}.catalog-table table{min-width:730px}.catalog-table th:first-child{width:21%}.catalog-table th:nth-child(2){width:23%}.catalog-table tbody th a{color:var(--ink);text-decoration:none}.catalog-table tbody th a:hover{text-decoration:underline}.milestones{list-style:none;margin:29px 0 0;padding:0;border-top:1px solid var(--line)}.milestones li{display:grid;grid-template-columns:125px minmax(0,1fr);gap:25px;align-items:start;padding:26px 0;border-bottom:1px solid var(--line)}.milestones .badge{justify-self:start}.milestones h3{font-size:18px}.milestones p{margin:10px 0 0;font-size:14px;color:var(--muted)}.rules-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px 35px;margin:33px 0}.rules-grid article{border-top:1px solid var(--line);padding-top:17px}.rule-number{display:block;color:#6b815f;font:11px/1 ui-monospace,monospace;margin-bottom:15px}.rules-grid h3{font-size:17px}.rules-grid p{font-size:13px;color:var(--muted);margin:11px 0 0}.reference-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.reference-links a{padding:18px 20px;border:1px solid var(--line);border-radius:8px;background:#fff;text-decoration:none}.reference-links a:hover{background:#f0f5e9;border-color:#9cb08a}.reference-links strong{display:block;font-size:13px}.reference-links span{display:block;font-size:11px;color:var(--muted);margin-top:5px}footer{border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;padding:28px 0 35px;font-size:10px;color:var(--muted)}footer a{color:inherit}
@media(min-width:1600px){.content{padding-left:72px;padding-right:72px}.hero{padding-top:83px}}@media(max-width:1200px){.sidebar{width:218px;padding-left:23px;padding-right:23px}main{margin-left:218px}.content{padding:0 33px}.topbar{padding:0 33px}.stats div{padding:20px 17px;gap:10px}.stats span{font-size:11px}.stage-index{grid-template-columns:repeat(2,minmax(0,1fr))}.stage-heading{align-items:start;flex-direction:column;gap:10px}.rules-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.stage-content{padding:23px}.stage{gap:18px}.handoff>div{grid-template-columns:90px minmax(0,1fr)}}@media(max-width:800px){.sidebar{position:static;width:auto;padding:19px 22px;display:block}.brand{font-size:27px}.brand-mark{height:37px;width:35px;font-size:21px}.brand-sub{font-size:8px;margin-top:6px}.nav-label,.sidebar-note,.repo-link{display:none}.sidebar nav{display:flex;overflow-x:auto;gap:6px;margin-top:20px;padding-bottom:4px}.sidebar nav a{white-space:nowrap;margin:0;padding:7px 10px;font-size:12px}.sidebar nav a:first-child{padding-left:0}main{margin-left:0}.topbar{height:58px;padding:0 25px;font-size:10px;gap:14px}.content{padding:0 25px}.hero{padding-top:43px}h1{font-size:clamp(2.5rem,7vw,4rem)}.hero-actions{gap:19px}.stats{margin-top:34px}.stats div{display:block}.stats strong{display:block;margin-bottom:5px}.stats span{display:block}.stage-index{grid-template-columns:repeat(4,minmax(0,1fr))}.stage-index a{font-size:11px;padding:12px 10px;gap:7px}.stage-heading{flex-direction:row;align-items:center}.stage-heading h3{font-size:19px}}@media(max-width:580px){.topbar{align-items:center;gap:20px}.topbar span{max-width:110px}.topbar a{max-width:160px;text-align:right}.content{padding:0 20px}.hero{padding-top:36px}.eyebrow{font-size:9px}h1{font-size:2.7rem}.lead{font-size:17px;margin-top:23px}.hero-description{font-size:14px}.hero-actions{align-items:start;flex-direction:column}.stats div{padding:16px 12px}.stats strong{font-size:26px}.stats span{font-size:10px}.caption{font-size:11px}section:not(.hero){padding:37px 0 40px}.section-heading>p:last-child{font-size:14px}.stage-index{grid-template-columns:repeat(2,minmax(0,1fr))}.notice{font-size:12px;padding:15px 17px}.stage{grid-template-columns:minmax(0,1fr);gap:12px;padding-bottom:25px}.stage-number{height:30px;width:30px;font-size:10px}.stage:not(:last-child):before{display:none}.stage-content{padding:20px}.stage-heading{flex-direction:column;align-items:start;gap:11px}.stage-heading h3{font-size:20px}.handoff>div{grid-template-columns:minmax(0,1fr);gap:4px}.handoff dt{font-size:10px}.handoff dd{font-size:12px}.owner{font-size:8px}.publication-grid,.ownership-grid,.reference-links{grid-template-columns:minmax(0,1fr)}.panel{padding:23px}.milestones li{grid-template-columns:minmax(0,1fr);gap:13px;padding:23px 0}.rules-grid{grid-template-columns:minmax(0,1fr);gap:23px;margin-top:23px}.rules-grid article{padding-top:14px}.rule-number{margin-bottom:10px}.rules-grid p{margin-top:8px}footer{flex-direction:column;gap:7px}.subsection table{min-width:600px}}
@media(prefers-reduced-motion:reduce){:root{scroll-behavior:auto}}@media print{.sidebar,.topbar,.hero-actions,.stage-index,.skip-link{display:none}main{margin:0}.content{max-width:none;padding:0}body{font-size:11px;background:#fff}.hero,section:not(.hero){padding:20px 0}.stage-content,.panel{box-shadow:none;break-inside:avoid}.stage{display:block}.stage-number{display:none}.table-scroll{overflow:visible}.catalog-table table{min-width:0}h1{font-size:34px}h2{font-size:24px}.panel.dark{background:#fff;color:var(--ink)}.panel.dark .panel-label,.panel.dark ul{color:var(--muted)}}