@font-face{font-family:Geist;src:url(/assets/fonts/Geist-Variable.woff2) format("woff2");font-weight:100 900;font-style:normal;font-display:swap}

:root{color-scheme:light dark;--bg:#fafafa;--surface:#fff;--ink:#171717;--body:#4d4d4d;--muted:#666;--line:#e5e5e5;--hover:#f0f0f0;--active:#ebebeb;--accent:#0e7490;--note:#f0f7fa;--note-line:#c6e2ea;--header:rgba(250,250,250,.86)}
@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#0a0a0a;--surface:#111;--ink:#ededed;--body:#a1a1a1;--muted:#8f8f8f;--line:#262626;--hover:#1a1a1a;--active:#1f1f1f;--accent:#5ec4e0;--note:#0b1a1f;--note-line:#17414d;--header:rgba(10,10,10,.82)}}
:root[data-theme=dark]{color-scheme:dark;--bg:#0a0a0a;--surface:#111;--ink:#ededed;--body:#a1a1a1;--muted:#8f8f8f;--line:#262626;--hover:#1a1a1a;--active:#1f1f1f;--accent:#5ec4e0;--note:#0b1a1f;--note-line:#17414d;--header:rgba(10,10,10,.82)}
:root[data-theme=light]{color-scheme:light}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:84px}
body{margin:0;background:var(--bg);color:var(--body);font:16px/1.75 Geist,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:var(--ink);text-decoration:underline;text-decoration-color:var(--line);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{text-decoration-color:currentColor}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
img{max-width:100%}
.skip{position:absolute;left:-9999px;top:8px;z-index:30;background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:8px;padding:8px 12px}
.skip:focus{left:12px}

/* Header */
.site-header{position:sticky;top:0;z-index:20;background:var(--bg);background:var(--header);-webkit-backdrop-filter:saturate(180%) blur(8px);backdrop-filter:saturate(180%) blur(8px);border-bottom:1px solid var(--line)}
.header-inner{max-width:1240px;margin:0 auto;height:64px;padding:0 24px;display:flex;align-items:center;gap:12px}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font-weight:600;font-size:17px;letter-spacing:-.02em}
.mark{width:26px;height:26px;flex:0 0 26px}
.mark-bg{fill:var(--ink)}
.mark-fg{fill:none;stroke:var(--bg);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.badge{font-size:12px;font-weight:500;line-height:20px;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:0 9px;white-space:nowrap}
.top-nav{margin-left:auto;display:flex;align-items:center;gap:2px;font-size:14px}
.top-nav a{color:var(--body);text-decoration:none;padding:6px 10px;border-radius:8px}
.top-nav a:hover{background:var(--hover);color:var(--ink)}
.top-nav .btn-outline{margin-left:8px;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:5px 14px}
.theme{flex:0 0 32px;width:32px;height:32px;margin-left:4px;padding:0;display:grid;place-items:center;border:1px solid var(--line);border-radius:999px;background:var(--surface);color:var(--ink);cursor:pointer}
.theme:hover{background:var(--hover)}
.theme svg{display:none;width:16px;height:16px}
.theme[data-mode=system] .i-system,.theme[data-mode=light] .i-light,.theme[data-mode=dark] .i-dark{display:block}

/* Layout */
.layout{max-width:1240px;margin:0 auto;padding:0 24px;display:grid;grid-template-columns:232px minmax(0,1fr);column-gap:64px}
.sidebar{position:sticky;top:65px;align-self:start;max-height:calc(100vh - 65px);overflow-y:auto;padding:32px 0}
.side-group{margin-bottom:24px}
.side-title{margin:0 0 6px;padding:0 10px;font-size:13px;font-weight:600;color:var(--ink)}
.sidebar ul,.mobile-nav ul{list-style:none;margin:0;padding:0}
.sidebar li,.mobile-nav li{margin:0}
.sidebar a,.mobile-nav nav a{display:block;padding:5px 10px;border-radius:8px;font-size:14.5px;line-height:1.55;color:var(--body);text-decoration:none}
.sidebar a:hover,.mobile-nav nav a:hover{background:var(--hover);color:var(--ink)}
.sidebar a[aria-current=page],.mobile-nav a[aria-current=page]{background:var(--active);color:var(--ink);font-weight:500}
.side-note{display:flex;align-items:center;gap:8px;margin:8px 0 0;padding:12px 10px 0;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
.dot{width:7px;height:7px;flex:0 0 7px;border-radius:50%;background:var(--accent)}
.mobile-nav{display:none}
.content{min-width:0;max-width:720px;padding:44px 0 72px}

/* Type */
.eyebrow{margin:0 0 10px;font-size:14px;font-weight:500;color:var(--accent)}
h1{margin:0 0 16px;font-size:40px;line-height:1.15;font-weight:600;letter-spacing:-.035em;color:var(--ink)}
h2{margin:40px 0 10px;font-size:22px;line-height:1.3;font-weight:600;letter-spacing:-.02em;color:var(--ink)}
h3{margin:0;font-size:17px;line-height:1.4;font-weight:600;letter-spacing:-.01em;color:var(--ink)}
p{margin:0 0 18px}
.lede{margin-bottom:28px;font-size:18px;line-height:1.65}
strong{font-weight:600;color:var(--ink)}
.content ul,.content ol{margin:0 0 20px;padding-left:22px}
.content li{margin-bottom:8px}
.content li::marker{color:var(--muted)}
.updated{margin-top:36px;font-size:13px;color:var(--muted)}

/* Components */
.actions{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 32px}
.btn{display:inline-flex;align-items:center;height:40px;padding:0 18px;border:1px solid var(--ink);border-radius:999px;background:var(--ink);color:var(--bg);font-size:14px;font-weight:500;text-decoration:none}
.btn:hover{opacity:.86}
.btn.secondary{background:var(--surface);color:var(--ink);border-color:var(--line)}
.btn.secondary:hover{background:var(--hover);opacity:1}
figure{margin:0 0 28px}
figure img{display:block;width:100%;height:auto;border:1px solid var(--line);border-radius:12px;background:var(--active)}
figcaption{margin-top:8px;font-size:13px;color:var(--muted)}
figcaption a{color:var(--muted)}
.callout{display:flex;gap:12px;margin:0 0 28px;padding:14px 16px;border:1px solid var(--note-line);border-radius:12px;background:var(--note);font-size:15px;line-height:1.65}
.callout svg{flex:0 0 18px;width:18px;height:18px;margin-top:3px;color:var(--accent)}
.callout p{margin:0}
.content ul.links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:0;padding:0;list-style:none}
.content .links li{margin:0}
.links a{display:block;height:100%;padding:16px;border:1px solid var(--line);border-radius:12px;background:var(--surface);color:var(--body);text-decoration:none;transition:border-color .15s}
.links a:hover{border-color:var(--muted)}
.links strong{display:block;margin-bottom:4px}
.links span{display:block;font-size:14px;line-height:1.55}
.content ul.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:0 0 28px;padding:0;list-style:none}
.content .card{display:flex;flex-direction:column;margin:0;overflow:hidden;border:1px solid var(--line);border-radius:12px;background:var(--surface)}
.card img{display:block;width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;background:var(--active)}
.card-body{display:flex;flex:1;flex-direction:column;gap:6px;padding:16px 18px 18px}
.card p{margin:0 0 8px;font-size:14.5px;line-height:1.6}
.tag{align-self:flex-start;margin-top:auto;padding:1px 9px;border:1px solid var(--line);border-radius:999px;font-size:12px;font-weight:500;color:var(--muted)}
.content ol.numbered{margin:0 0 28px;padding:0;list-style:none;counter-reset:n;border-top:1px solid var(--line)}
.content .numbered li{counter-increment:n;display:grid;grid-template-columns:40px minmax(0,1fr);margin:0;padding:16px 0;border-bottom:1px solid var(--line)}
.numbered li::before{content:counter(n);grid-row:span 2;width:24px;height:24px;margin-top:2px;display:grid;place-items:center;border:1px solid var(--line);border-radius:999px;font-size:12px;font-weight:600;color:var(--ink)}
.numbered strong{display:block}
.numbered span{font-size:15px}
.facts{display:grid;grid-template-columns:150px minmax(0,1fr);margin:0 0 24px;overflow:hidden;border:1px solid var(--line);border-radius:12px;background:var(--surface)}
.facts dt,.facts dd{margin:0;padding:12px 16px;border-bottom:1px solid var(--line)}
.facts dt{font-size:14px;font-weight:500;color:var(--ink)}
.facts dd{font-size:15px}
.facts dt:last-of-type,.facts dd:last-of-type{border-bottom:0}
.qa h2{margin:32px 0 6px;font-size:18px}
.qa h2:first-child{margin-top:8px}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:56px;padding-top:24px;border-top:1px solid var(--line)}
.pager a{display:block;padding:12px 16px;border:1px solid var(--line);border-radius:12px;background:var(--surface);text-decoration:none}
.pager a:hover{border-color:var(--muted)}
.pager small{display:block;font-size:13px;color:var(--muted)}
.pager strong{font-size:15px}
.pager .next{grid-column:2;text-align:right}

/* Footer */
.site-footer{border-top:1px solid var(--line)}
.footer-inner{max-width:1240px;margin:0 auto;padding:24px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px 32px;font-size:13px;line-height:1.6;color:var(--muted)}
.footer-inner p{margin:0;max-width:62ch}
.footer-inner nav{display:flex;flex-wrap:wrap;gap:4px 18px}
.footer-inner a{color:var(--muted);text-decoration:none}
.footer-inner a:hover{color:var(--ink)}

/* Small screens */
@media (max-width:900px){
.layout{grid-template-columns:minmax(0,1fr)}
.sidebar{display:none}
.mobile-nav{display:block;margin:0 -24px;padding:0 24px;border-bottom:1px solid var(--line)}
.mobile-nav summary{display:flex;justify-content:space-between;align-items:center;padding:12px 0;list-style:none;cursor:pointer;font-size:14px;font-weight:500;color:var(--ink)}
.mobile-nav summary::-webkit-details-marker{display:none}
.mobile-nav summary::after{content:"+";font-size:18px;font-weight:400;color:var(--muted)}
.mobile-nav[open] summary::after{content:"\2212"}
.mobile-nav nav{padding-bottom:12px}
.mobile-nav .side-group{margin-bottom:12px}
.top-nav a:not(.btn-outline){display:none}
.content{padding:28px 0 56px}
h1{font-size:32px}
.content ul.links{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:560px){
.header-inner,.layout{padding:0 16px}
.mobile-nav{margin:0 -16px;padding:0 16px}
.footer-inner{padding:20px 16px}
.content ul.cards{grid-template-columns:minmax(0,1fr)}
.facts{grid-template-columns:minmax(0,1fr)}
.facts dt{border-bottom:0;padding-bottom:0}
.pager{grid-template-columns:minmax(0,1fr)}
.pager .next{grid-column:auto}
.lede{font-size:17px}
}
@media (max-width:380px){.badge{display:none}}

/* Print: light colours, content only, nothing collapsed */
@media print{
:root,:root[data-theme=dark],:root[data-theme=light],:root:not([data-theme=light]){color-scheme:light;--bg:#fff;--surface:#fff;--ink:#171717;--body:#333;--muted:#555;--line:#d4d4d4;--hover:#fff;--active:#f2f2f2;--accent:#0e7490;--note:#f5fafc;--note-line:#c6e2ea;--header:#fff}
body{font-size:11pt}
.site-header{position:static;-webkit-backdrop-filter:none;backdrop-filter:none}
.top-nav,.theme,.skip,.sidebar,.mobile-nav,.pager{display:none!important}
.layout{display:block;padding:0}
.content{max-width:none;padding:16px 0}
a{text-decoration:none}
figure,.card,.numbered li,.links li,.callout,.facts{break-inside:avoid}
*{-webkit-print-color-adjust:exact;print-color-adjust:exact}
}