.crumbs{padding:96px 22px 0;max-width:1240px;margin-inline:auto;font-size:13.5px;color:var(--ink-4)}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.crumbs a{color:var(--ink-3)}
.crumbs a:hover{color:var(--ink)}
.crumbs li + li::before{content:"\203A";margin-right:6px;color:var(--ink-4)}
.crumbs [aria-current]{color:var(--ink-2)}

.docs{display:grid;grid-template-columns:246px minmax(0,1fr) 220px;gap:36px;max-width:1240px;margin-inline:auto;padding:22px 22px 0;align-items:start}
.docs-side{position:sticky;top:88px;max-height:calc(100vh - 110px);overflow-y:auto;padding-right:6px;font-size:14px;scrollbar-width:thin}
.docs-side::-webkit-scrollbar{width:8px}
.docs-side::-webkit-scrollbar-thumb{background:var(--fill-2);border-radius:999px}
.docs-side::-webkit-scrollbar-track{background:transparent}
.docs-group{margin-bottom:6px}
.docs-group > summary{list-style:none;cursor:pointer;padding:7px 8px;border-radius:var(--r-8);font-size:13px;font-weight:640;letter-spacing:0.005em;color:var(--ink-2);display:flex;align-items:center;gap:7px}
.docs-group > summary::-webkit-details-marker{display:none}
.docs-group > summary::before{content:"";width:6px;height:6px;border-right:1.6px solid currentColor;border-bottom:1.6px solid currentColor;transform:rotate(-45deg);transition:transform 0.2s var(--smooth);flex:none;margin-left:2px}
.docs-group[open] > summary::before{transform:rotate(45deg)}
.docs-group > summary:hover{background:var(--fill-1);color:var(--ink)}
.docs-side ul{list-style:none;padding:2px 0 6px 16px}
.docs-side li{margin:1px 0}
.docs-side ul a{display:block;padding:6px 9px;border-radius:var(--r-6);color:var(--ink-3);line-height:1.35}
.docs-side ul a:hover{background:var(--fill-1);color:var(--ink);text-decoration:none}
.docs-side ul a[aria-current="page"]{background:var(--accent-soft);color:var(--accent-ink);font-weight:600}
.docs-nav-toggle{display:none;align-items:center;gap:8px;margin:0 0 14px;padding:9px 14px;border-radius:999px;background:var(--fill-2);color:var(--ink);font-size:14px;font-weight:600}
.docs-nav-toggle svg{width:17px;height:17px}
.docs-scrim{display:none;position:fixed;inset:0;z-index:70;background:rgba(0,0,0,0.4)}
.docs-scrim.open{display:block}

.toc{position:sticky;top:88px;font-size:13.5px;max-height:calc(100vh - 110px);overflow-y:auto}
.toc h2{font-size:12px;font-weight:640;letter-spacing:0.04em;text-transform:uppercase;color:var(--ink-4);margin-bottom:10px}
.toc ul{list-style:none}
.toc a{display:block;padding:5px 10px;border-left:2px solid var(--hairline-soft);color:var(--ink-3);line-height:1.4}
.toc a:hover{color:var(--ink);text-decoration:none}
.toc a.active{border-left-color:var(--accent);color:var(--accent-ink);font-weight:600}
.toc .lvl-3 a{padding-left:22px;font-size:13px}

.docs-main{min-width:0;padding-bottom:40px}
.article-head{margin-bottom:30px}
.article-eyebrow{display:inline-block;font-size:12.5px;font-weight:640;letter-spacing:0.02em;color:var(--accent-ink);margin-bottom:10px}
.article-title{font-size:clamp(31px,4.4vw,42px);line-height:1.1;letter-spacing:-0.03em}
.article-standfirst{margin-top:16px;font-size:19px;line-height:1.6;color:var(--ink-2);max-width:var(--measure)}
.article-meta{margin-top:18px;display:flex;flex-wrap:wrap;gap:8px 18px;font-size:13.5px;color:var(--ink-4)}
.brand-link{font-weight:640;color:var(--accent-ink)}
.brand-link:hover{text-decoration:underline}
.brand-link:focus-visible{outline:2px solid var(--accent-ink);outline-offset:2px;border-radius:var(--r-4)}
h2 .brand-name,h3 .brand-name{font-weight:650;color:var(--accent-ink)}

.prose{max-width:var(--measure);font-size:17px;line-height:1.68}
.prose > * + *{margin-top:1.15em}
.prose h2{margin-top:2em;font-size:26px;line-height:1.25;letter-spacing:-0.022em;scroll-margin-top:96px}
.prose h3{margin-top:1.7em;font-size:20px;line-height:1.3;letter-spacing:-0.018em;scroll-margin-top:96px}
.prose h4{margin-top:1.5em;font-size:17px}
.prose ul,.prose ol{padding-left:1.3em}
.prose li + li{margin-top:0.45em}
.prose li::marker{color:var(--ink-4)}
.prose strong{font-weight:640;color:var(--ink)}
.prose a{color:var(--accent-ink);text-decoration:underline;text-underline-offset:2px;text-decoration-thickness:1px;text-decoration-color:var(--accent-line)}
.prose a:hover{text-decoration-color:var(--accent-ink)}
.prose code:not(pre code){font-size:0.88em;padding:2px 6px;border-radius:var(--r-6);background:var(--fill-2);color:var(--ink)}
.prose figure{margin-top:1.6em}
.prose figcaption{margin-top:10px;font-size:13.5px;line-height:1.55;color:var(--ink-3)}
.prose hr{border:0;border-top:1px solid var(--hairline-soft);margin:2.2em 0}
.prose blockquote{border-left:3px solid var(--accent-line);padding-left:16px;color:var(--ink-2)}

kbd{display:inline-block;min-width:1.55em;padding:2px 6px;font-family:var(--font-sans);font-size:0.82em;font-weight:600;line-height:1.5;text-align:center;color:var(--ink);background:var(--raised);border:1px solid var(--hairline);border-bottom-width:2px;border-radius:var(--r-6);box-shadow:inset 0 1px 0 var(--fill-hi);vertical-align:1px;white-space:nowrap}
.keys{display:inline-flex;align-items:center;gap:3px;white-space:nowrap}
.keys .plus{color:var(--ink-4);font-size:0.8em}

.callout{display:grid;grid-template-columns:auto 1fr;gap:12px;padding:16px 18px;border-radius:var(--r-14);border-left:3px solid var(--accent);background:var(--fill-1)}
.callout > svg{width:19px;height:19px;margin-top:2px;color:var(--accent)}
.callout-body > * + *{margin-top:0.6em}
.callout b{font-weight:640;color:var(--ink)}
.callout.note{border-left-color:var(--accent);background:var(--accent-soft)}
.callout.note > svg{color:var(--accent-ink)}
.callout.tip{border-left-color:var(--positive);background:var(--positive-soft)}
.callout.tip > svg{color:var(--positive)}
.callout.important{border-left-color:var(--caution);background:var(--caution-soft)}
.callout.important > svg{color:var(--caution)}

.steps{list-style:none;padding:0;counter-reset:step}
.steps > li{position:relative;padding-left:52px;padding-bottom:34px}
.steps > li::before{counter-increment:step;content:counter(step);position:absolute;left:0;top:-2px;width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:var(--accent);color:var(--on-accent);font-size:15px;font-weight:650;font-variant-numeric:tabular-nums}
.steps > li::after{content:"";position:absolute;left:15.5px;top:36px;bottom:6px;width:1px;background:var(--hairline-soft)}
.steps > li:last-child{padding-bottom:0}
.steps > li:last-child::after{display:none}
.steps h3{margin-top:0;font-size:19px;line-height:1.35;scroll-margin-top:96px}
.steps > li > * + *{margin-top:0.85em}
.steps figure{margin-top:1.1em}

.spec-table{overflow-x:auto;border-radius:var(--r-14);border:1px solid var(--hairline-soft)}
.spec-table table{width:100%;border-collapse:collapse;font-size:15.5px}
.spec-table th,.spec-table td{padding:11px 15px;text-align:left;border-bottom:1px solid var(--hairline-soft)}
.spec-table thead th{background:var(--bg-alt);font-size:13px;font-weight:640;letter-spacing:0.01em;color:var(--ink-3)}
.spec-table tbody tr:last-child td{border-bottom:0}
.spec-table td:first-child{white-space:nowrap}

.faq{margin-top:2.4em}
.faq h2{margin-bottom:6px}
.faq details{border-bottom:1px solid var(--hairline-soft)}
.faq summary{list-style:none;cursor:pointer;padding:16px 34px 16px 0;position:relative;font-size:17px;font-weight:600;line-height:1.45;color:var(--ink)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:8px;top:23px;width:8px;height:8px;border-right:1.8px solid var(--ink-4);border-bottom:1.8px solid var(--ink-4);transform:rotate(45deg);transition:transform 0.2s var(--smooth)}
.faq details[open] summary::after{transform:rotate(-135deg);top:26px}
.faq .faq-a{padding:0 0 18px;color:var(--ink-2);line-height:1.65}
.faq .faq-a > * + *{margin-top:0.8em}

.related{margin-top:2.6em}
.related h2{font-size:22px;letter-spacing:-0.02em;margin-bottom:14px}
.related-grid{display:grid;gap:12px}
@media (min-width:640px){.related-grid{grid-template-columns:1fr 1fr}}
.related-card{display:block;padding:17px 19px;border-radius:var(--r-14);border:1px solid var(--hairline-soft);background:var(--surface);transition:border-color var(--hover),transform var(--hover),box-shadow var(--hover)}
.related-card:hover{border-color:var(--accent-line);transform:translateY(-1px);box-shadow:var(--sh-low);text-decoration:none}
.related-card .rc-eyebrow{display:block;font-size:12px;font-weight:640;letter-spacing:0.02em;color:var(--accent-ink);margin-bottom:5px}
.related-card h3{font-size:16.5px;line-height:1.35;color:var(--ink);letter-spacing:-0.015em}
.related-card p{margin-top:5px;font-size:14px;line-height:1.5;color:var(--ink-3)}

.guides-hero{padding:110px 0 8px}
.guides-hero h1{font-size:clamp(32px,5vw,46px);line-height:1.08;letter-spacing:-0.03em}
.guides-hero .lede{margin-top:14px;max-width:var(--measure)}
.guides-section{margin-top:44px}
.guides-section > h2{font-size:21px;letter-spacing:-0.02em;margin-bottom:14px}
.card-grid{display:grid;gap:12px}
@media (min-width:660px){.card-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1000px){.card-grid{grid-template-columns:repeat(3,1fr)}}
.doc-card{display:block;padding:19px 20px;border-radius:var(--r-14);border:1px solid var(--hairline-soft);background:var(--surface);transition:border-color var(--hover),transform var(--hover),box-shadow var(--hover)}
.doc-card:hover{border-color:var(--accent-line);transform:translateY(-1px);box-shadow:var(--sh-low);text-decoration:none}
.doc-card .dc-eyebrow{display:block;font-size:12px;font-weight:640;letter-spacing:0.02em;color:var(--accent-ink);margin-bottom:6px}
.doc-card h3{font-size:17px;line-height:1.35;color:var(--ink);letter-spacing:-0.015em}
.doc-card p{margin-top:6px;font-size:14.5px;line-height:1.5;color:var(--ink-3)}

.legal{max-width:var(--measure);margin-inline:auto;padding:110px 22px 0}
.legal-head h1{font-size:clamp(30px,4.4vw,40px);letter-spacing:-0.03em}
.legal-meta{margin-top:12px;font-size:14px;color:var(--ink-4)}
.utility-page{max-width:820px;margin-inline:auto;padding:110px 22px 0}
.utility-title{font-size:clamp(30px,4.6vw,42px);letter-spacing:-0.03em;line-height:1.1}

.rv{opacity:0;transform:translateY(10px)}
.rv.in{opacity:1;transform:none;transition:opacity 0.5s var(--ease-reveal),transform 0.5s var(--ease-reveal)}

@media (max-width:1240px){
.docs{grid-template-columns:230px minmax(0,1fr);gap:30px}
.docs .toc{display:none}
}
@media (max-width:940px){
.docs{display:block;padding-top:8px}
.docs-nav-toggle{display:inline-flex}
.docs-side{position:fixed;left:0;top:0;bottom:0;z-index:80;width:290px;max-height:none;padding:88px 16px 24px;background:var(--bg);border-right:1px solid var(--hairline-soft);transform:translateX(-100%);transition:transform 0.3s var(--snappy);overflow-y:auto}
.docs-side.open{transform:none}
.crumbs{padding-top:88px}
}
@media (prefers-reduced-motion:reduce){
.rv{opacity:1;transform:none}
.docs-side{transition-duration:0.12s}
}