:root{--font-display:var(--font-space),"Arial",sans-serif;--font-body:var(--font-manrope),"Arial",sans-serif;--font-mono:var(--font-dm-mono),"IBM Plex 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2.4vw,72px);--radius-s:8px;--radius-m:12px;--radius-l:20px;--container:1200px;--gutter:20px;--col-gap:24px;--header-h:64px;--fs-display:clamp(2.05rem,1.45rem + 2.9vw,3.75rem);--fs-h1:clamp(2rem,1.5rem + 2vw,3.1rem);--fs-h2:clamp(1.6rem,1.3rem + 1.15vw,2.4rem);--fs-h3:clamp(1.1rem,1.05rem + 0.25vw,1.25rem);--fs-lede:clamp(1rem,0.94rem + 0.3vw,1.2rem);--fs-body:1rem;--fs-small:0.875rem;--ease:cubic-bezier(0.2,0.7,0.2,1);--t-fast:0.15s;--t-med:0.25s}@media (min-width:720px){:root{--gutter:28px}}@media (min-width:1100px){:root{--gutter:32px}}[data-theme=dark]{color-scheme:dark;--ink-2:rgba(255,255,255,0.68);--ink-3:rgba(255,255,255,0.5);--line-strong:rgba(255,255,255,0.16);--line-control:rgba(255,255,255,0.34);--accent:rgb(var(--orange-400));--accent-strong:rgb(var(--orange-300));--accent-fill:rgb(var(--orange-400));--on-accent:#000;--accent-soft:rgba(var(--orange-400),0.14);--accent-line:rgba(var(--orange-400),0.5);--accent-wash:rgba(var(--orange-400),0.07);--ok-fg:rgb(var(--green-200));--ok-bg:rgba(var(--green-400),0.16);--bad-fg:rgb(var(--red-300));--bad-bg:rgba(var(--red-400),0.14);--ctx-fg:rgb(var(--yellow-200));--ctx-bg:rgba(var(--yellow-300),0.14);--info-fg:rgb(var(--blue-200));--info-bg:rgba(var(--blue-400),0.16)}@layer base{*,:after,:before{box-sizing:border-box}*{margin:0;padding:0}}html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 16px);-webkit-text-size-adjust:100%}body{background-color:#fff;color:var(--ink);font-family:var(--font-body);font-size:var(--fs-body);line-height:1.6;min-height:100vh;overflow-x:clip;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}[data-theme=dark] body{background-color:#000}h1,h2,h3,h4{font-family:var(--font-display);font-weight:600;line-height:1.12;letter-spacing:-.025em;color:var(--ink);text-wrap:balance}p{text-wrap:pretty}a{color:inherit;text-decoration:none}img,svg{display:block;max-width:100%}button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}ol,ul{list-style:none}.mono,code{font-family:var(--font-mono)}::selection{background:var(--accent-soft)}:focus-visible{outline:2px solid var(--focus);outline-offset:3px;border-radius:6px}.skip-link{position:absolute;left:12px;top:-64px;z-index:100;background:var(--cta-primary-default);color:var(--text-inverse);padding:10px 16px;border-radius:var(--radius-s);font-weight:600}.skip-link:focus{top:12px}main{max-width:1296px;border-inline:1px solid var(--line)}.container,main{margin-inline:auto}.container{width:100%;max-width:calc(var(--container) + var(--gutter) * 2);padding-inline:var(--gutter)}.container--narrow{max-width:calc(760px + var(--gutter) * 2)}.section{padding-block:var(--section-y)}.section--tight{padding-block:var(--section-y-tight)}.section--rule{border-top:1px solid var(--line)}.section--inset{background:var(--bg-l0-solid);border-block:1px solid var(--line)}.g12{display:grid;grid-template-columns:minmax(0,1fr);grid-gap:var(--s-6) var(--col-gap);gap:var(--s-6) var(--col-gap)}@media (min-width:900px){.g12{grid-template-columns:repeat(12,minmax(0,1fr))}.span-3{grid-column:span 3}.span-4{grid-column:span 4}.span-5{grid-column:span 5}.span-6{grid-column:span 6}.span-7{grid-column:span 7}.span-8{grid-column:span 8}.span-9{grid-column:span 9}.span-12{grid-column:1/-1}}.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-mono);font-size:.75rem;line-height:1.4;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-2);margin-bottom:var(--s-4)}.eyebrow:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent);flex:none}.display{font-size:var(--fs-display);font-weight:600;letter-spacing:-.04em;line-height:1.03}.h1{font-size:var(--fs-h1);letter-spacing:-.035em;line-height:1.06}.h2{font-size:var(--fs-h2);letter-spacing:-.03em;line-height:1.1}.h3{font-size:var(--fs-h3);letter-spacing:-.015em;line-height:1.25}.lede{font-size:var(--fs-lede);max-width:62ch;line-height:1.55}.lede,.muted{color:var(--ink-2)}.small{font-size:var(--fs-small)}.accent{color:var(--accent)}.section-head{max-width:720px;margin-bottom:clamp(32px,4vw,56px)}.section-head .lede,:is(h1,h2,h3)+.lede{margin-top:var(--s-4)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 20px;border-radius:var(--radius-m);font-weight:600;font-size:.95rem;line-height:1;white-space:nowrap;transition:background var(--t-fast),box-shadow var(--t-fast),transform var(--t-fast),color var(--t-fast)}.btn--sm{min-height:36px;padding:0 14px;font-size:.875rem;border-radius:10px}.btn--lg{min-height:52px;padding:0 26px;font-size:1rem}.btn--primary{background:var(--cta-primary-default);color:var(--text-inverse);box-shadow:var(--primary-button-hover-shadow)}.btn--primary:hover{background:var(--cta-primary-hover)}.btn--primary:active{background:var(--cta-primary-active);transform:translateY(1px)}.btn--secondary{background:var(--cta-secondary-default);box-shadow:inset 0 0 0 1px var(--line-control)}.btn--secondary:hover{background:var(--cta-secondary-hover)}.btn--secondary:active{background:var(--cta-secondary-active);transform:translateY(1px)}.btn--ghost{color:var(--ink-2)}.btn--ghost:hover{background:var(--cta-tertiary-hover);color:var(--ink)}.btn--accent{background:var(--accent-fill);color:var(--on-accent);box-shadow:var(--shadow-l1)}.btn--accent:hover{filter:brightness(1.08)}.btn--accent:active{transform:translateY(1px)}.btn--outline{color:var(--ink);box-shadow:inset 0 0 0 1px var(--accent-line)}.btn--outline:hover{background:var(--accent-soft)}.btn:disabled,.btn[aria-disabled=true]{background:var(--cta-primary-disabled);color:var(--text-disabled);box-shadow:none;cursor:not-allowed;transform:none;pointer-events:none}.btn .arrow{transition:transform var(--t-fast)}.btn:hover .arrow{transform:translateX(3px)}.link-arrow{display:inline-flex;gap:6px;align-items:center;font-weight:600;color:var(--accent)}.link-arrow .arrow{transition:transform var(--t-fast)}.link-arrow:hover{text-decoration:underline;text-underline-offset:4px}.link-arrow:hover .arrow{transform:translateX(3px)}.site-header{position:-webkit-sticky;position:sticky;top:0;z-index:50;height:var(--header-h);background:var(--bg-l0-glass);border-bottom:1px solid var(--line);backdrop-filter:blur(16px) saturate(1.4);-webkit-backdrop-filter:blur(16px) saturate(1.4)}.site-header__inner{height:100%;display:flex;align-items:center;gap:var(--s-6)}.brand{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:600;font-size:1.2rem;letter-spacing:-.03em}.brand__mark{width:28px;height:28px;flex:none}.nav{display:none;align-items:center;gap:2px;margin-left:8px}.nav__item{position:relative}.nav__link,.nav__trigger{position:relative;display:inline-flex;align-items:center;gap:4px;min-height:40px;padding:0 12px;border-radius:10px;font-size:.925rem;font-weight:500;color:var(--ink-2);white-space:nowrap;transition:background var(--t-fast),color var(--t-fast)}.nav__link:hover,.nav__trigger:hover,.nav__trigger[aria-expanded=true]{background:var(--cta-navigation-hover);color:var(--ink)}.nav__link[aria-current=page],.nav__trigger[data-active=true]{color:var(--ink)}.nav__link[aria-current=page]:after,.nav__trigger[data-active=true]:after{content:"";position:absolute;left:12px;right:12px;bottom:-13px;height:2px;border-radius:2px;background:var(--accent)}.nav__trigger svg{transition:transform var(--t-fast)}.nav__trigger[aria-expanded=true] svg{transform:rotate(180deg)}.menu-wrap{position:absolute;top:100%;left:50%;transform:translateX(-50%);padding-top:12px;z-index:60}.menu{width:max-content;max-width:min(92vw,640px);padding:10px;border-radius:20px;background:var(--bg-l3-solid);border:1px solid var(--line-strong);box-shadow:var(--shadow-l3);animation:menu-in .16s ease-out}.nav__item:first-child .menu-wrap{left:-12px;transform:none}.menu--narrow{width:340px}.menu--wide{width:640px}@keyframes menu-in{0%{opacity:0;transform:translateY(-6px) scale(.99)}to{opacity:1;transform:none}}.menu__feature{display:flex;align-items:center;gap:14px;padding:12px 14px;margin-bottom:8px;border-radius:14px;border:1px solid var(--accent-line);background:var(--accent-soft);transition:border-color var(--t-fast)}.menu__feature:hover{border-color:var(--accent)}.menu__feature>span:nth-child(2){flex:1 1;min-width:0}.menu__feature-icon{width:38px;height:38px;flex:none;display:grid;place-items:center;border-radius:11px;color:var(--accent);background:var(--bg-l2-solid);border:1px solid var(--line-strong)}.menu__feature-arrow{color:var(--ink-2);transition:transform var(--t-fast),color var(--t-fast)}.menu__feature:hover .menu__feature-arrow{transform:translateX(3px);color:var(--accent)}.menu__cols{display:grid;grid-gap:4px 8px;gap:4px 8px;grid-template-columns:1fr}.menu--wide .menu__cols{grid-template-columns:1fr 1fr}.menu__heading{font-family:var(--font-mono);font-size:.6875rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-2);padding:8px 12px 4px}.menu__link{display:flex;align-items:flex-start;gap:12px;padding:10px 12px;border-radius:12px;transition:background var(--t-fast)}.menu__link:focus-visible,.menu__link:hover{background:var(--bg-cell-hover)}.menu__link[aria-current=page] .menu__label{color:var(--accent)}.menu__icon{width:32px;height:32px;flex:none;display:grid;place-items:center;border-radius:9px;color:var(--ink-2);border:1px solid var(--line-strong);background:var(--bg-l1-solid);transition:color var(--t-fast),border-color var(--t-fast),background var(--t-fast)}.menu__link:hover .menu__icon{color:var(--accent);border-color:var(--accent-line);background:var(--accent-soft)}.menu__label{display:block;font-weight:600;font-size:.925rem;line-height:1.3}.menu__desc{display:block;font-size:.8125rem;color:var(--ink-2);margin-top:1px;line-height:1.4}.header-actions{gap:6px}.header-actions .btn--ghost,.header-actions .hide-sm{display:none}.icon-btn{width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;border-radius:10px;color:var(--ink-2);transition:background var(--t-fast),color var(--t-fast)}.icon-btn:hover{background:var(--cta-navigation-hover);color:var(--ink)}.theme-toggle .sun{display:none}[data-theme=dark] .theme-toggle .sun{display:block}[data-theme=dark] .theme-toggle .moon{display:none}.menu-btn{display:inline-flex}.mobile-nav{position:fixed;inset:var(--header-h) 0 0 0;z-index:49;overflow-y:auto;overscroll-behavior:contain;background:#fff;padding:var(--s-2) var(--gutter) 40px;animation:nav-in .18s ease-out}[data-theme=dark] .mobile-nav{background:#0a0a0a}@keyframes nav-in{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}.mobile-nav details{border-bottom:1px solid var(--line)}.mobile-nav summary{list-style:none;display:flex;justify-content:space-between;align-items:center;min-height:56px;font-weight:600;font-family:var(--font-display);font-size:1.1rem;cursor:pointer}.mobile-nav summary::-webkit-details-marker{display:none}.mobile-nav summary svg{transition:transform var(--t-fast);color:var(--ink-2)}.mobile-nav details[open] summary svg{transform:rotate(180deg)}.mobile-nav details a{display:flex;align-items:center;min-height:44px;padding:0 4px;color:var(--ink-2);font-size:1rem}.mobile-nav .plain[aria-current=page],.mobile-nav details a[aria-current=page]{color:var(--accent)}.mobile-nav details>div{padding-bottom:12px}.mobile-nav .plain{display:flex;align-items:center;min-height:56px;font-weight:600;font-family:var(--font-display);font-size:1.1rem;border-bottom:1px solid var(--line)}.mobile-nav .btn{width:100%;margin-top:var(--s-6)}@media (min-width:640px){.header-actions .hide-sm{display:inline-flex}}@media (min-width:1080px){.nav{display:flex}.menu-btn,.mobile-nav{display:none!important}.header-actions .btn--ghost{display:inline-flex}}.badge{display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;border-radius:999px;font-family:var(--font-mono);font-size:.6875rem;letter-spacing:.04em;text-transform:uppercase;white-space:nowrap;background:var(--bg-overlay-tertiary);border:1px solid var(--line-strong);color:var(--ink-2)}.badge:before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}.badge--live{color:var(--ok-fg);background:var(--ok-bg);border-color:transparent}.badge--later{color:var(--accent);background:rgba(255,142,120,.14);border:1px solid var(--accent-line)}.badge--later:before{background:var(--accent);border:0}.badge--plain:before{display:none}.chip{display:inline-flex;align-items:center;height:24px;padding:0 8px;border-radius:6px;font-family:var(--font-mono);font-size:.75rem;background:var(--bg-overlay-tertiary);border:1px solid var(--line-strong);color:var(--ink-2);white-space:nowrap}.chip--id{color:var(--ink);font-weight:500}.chip--accent{color:var(--accent-strong);border-color:var(--accent-line);background:var(--accent-soft)}.chip--btn{height:30px;padding:0 12px;font-family:var(--font-body);font-weight:500;font-size:.8125rem}.chip--btn,.rel{border-radius:999px}.rel{display:inline-flex;align-items:center;gap:5px;height:24px;padding:0 9px;font-size:.75rem;font-weight:600;white-space:nowrap}.rel svg{width:12px;height:12px}.rel--supports{color:var(--ok-fg);background:var(--ok-bg)}.rel--contradicts{color:var(--bad-fg);background:var(--bad-bg)}.rel--contextualises{color:var(--ctx-fg);background:var(--ctx-bg)}.rel--contested{color:var(--bad-fg);background:var(--bad-bg)}.rel--approved{color:var(--ok-fg);background:var(--ok-bg)}.rel--neutral{color:var(--info-fg);background:var(--info-bg)}.tag{display:inline-flex;align-items:center;height:24px;padding:0 8px;border-radius:6px;font-family:var(--font-mono);font-size:.75rem;letter-spacing:.04em;color:var(--accent-strong);background:var(--accent-soft)}.page-hero{padding-top:clamp(32px,2rem + 2.4vw,64px);padding-bottom:clamp(24px,1.5rem + 1.6vw,48px)}.page-hero .crumbs{margin-bottom:var(--s-6)}.page-hero .eyebrow{margin-bottom:var(--s-3)}.page-hero .lede{margin-top:var(--s-5)}.page-hero .hero__ctas{margin-top:var(--s-6)}.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:4px 8px;font-size:.8125rem;color:var(--ink-2)}.crumbs a{padding-block:4px}.crumbs a:hover{color:var(--ink);text-decoration:underline;text-underline-offset:3px}.crumbs li+li:before{content:"/";margin-right:8px;color:var(--ink-3)}.crumbs [aria-current=page]{color:var(--ink);font-weight:500}.hero{position:relative;padding-top:clamp(40px,2rem + 3.4vw,88px);overflow:hidden}.hero:before{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;background-image:linear-gradient(var(--border-tertiary) 1px,transparent 1px),linear-gradient(90deg,var(--border-tertiary) 1px,transparent 1px);background-size:64px 64px;-webkit-mask-image:linear-gradient(180deg,#000 0,transparent 70%);mask-image:linear-gradient(180deg,#000 0,transparent 70%)}.hero__head .display span{display:block}.hero__row{display:grid;grid-gap:var(--s-6);gap:var(--s-6);margin-top:var(--s-5)}.hero__row .lede{max-width:58ch}.hero__actions{flex-direction:column}.hero__actions,.hero__ctas{display:flex;gap:var(--s-3)}.hero__ctas{flex-wrap:wrap;margin-top:0}.hero__micro{font-size:var(--fs-small);color:var(--ink-2)}@media (min-width:900px){.hero__row{grid-template-columns:repeat(12,minmax(0,1fr));column-gap:var(--col-gap);margin-top:var(--s-6);align-items:end}.hero__row .lede{grid-column:1/span 7}.hero__actions{grid-column:8/-1}}@media (max-width:480px){.hero__ctas .btn{width:100%}}.hero__shot{margin:clamp(28px,4vw,56px) 0 0;min-width:0}.hero__shot figcaption{margin-top:var(--s-3);font-size:.8125rem;color:var(--ink-2)}.device{border-radius:16px;border:1px solid var(--line-strong);background:var(--bg-l1-solid);overflow:hidden;box-shadow:var(--shadow-l3),0 0 0 6px var(--bg-overlay-tertiary)}.device__bar{display:flex;align-items:center;gap:var(--s-3);height:36px;padding-inline:var(--s-4);border-bottom:1px solid var(--line);background:var(--bg-l0-solid)}.device__dots{display:flex;gap:6px}.device__dots i{width:9px;height:9px;border-radius:50%;background:var(--line-strong)}.device__label{font-family:var(--font-mono);font-size:.6875rem;letter-spacing:.04em;color:var(--ink-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.device .shot{border:0;border-radius:0}.hero--centered{text-align:center}.hero__pill{display:inline-flex;align-items:center;gap:8px;min-height:30px;padding:4px 14px;margin-bottom:var(--s-6);border-radius:999px;font-size:.8125rem;color:var(--ink-2);background:var(--accent-soft);border:1px solid var(--accent-line)}.hero__shot-card{border-radius:16px;padding:6px;overflow:hidden;border:1px solid var(--line-strong);background:var(--bg-l1-solid);box-shadow:var(--shadow-l3)}.hero__copy{max-width:880px}.shot{width:100%;height:auto;border-radius:12px;border:1px solid var(--line-strong)}.shot--light,[data-theme=light] .shot--dark{display:none}[data-theme=light] .shot--light{display:block}.shot-frame{min-width:0;padding:6px;border-radius:18px;background:var(--bg-l1-solid);border:1px solid var(--line-strong);box-shadow:var(--shadow-l2)}.shot-frame .shot{border-radius:12px}.sigcard{background:var(--bg-l2-solid);border:1px solid var(--line-strong);border-radius:var(--radius-l);box-shadow:var(--shadow-l2);overflow:hidden}.sigcard__head{display:flex;flex-wrap:wrap;align-items:center;gap:var(--s-2) var(--s-3);padding:var(--s-3) var(--s-5);background:var(--bg-l0-solid);border-bottom:1px solid var(--line)}.sigcard__head .sigcard__id{margin-left:auto}.sigcard__body{padding:clamp(18px,2.4vw,28px);display:grid;grid-gap:var(--s-5);gap:var(--s-5)}.sigcard__title{font-size:clamp(1.2rem,1.05rem + .7vw,1.55rem);letter-spacing:-.025em;line-height:1.2}.sigcard__diff{display:grid;grid-gap:var(--s-3);gap:var(--s-3);grid-template-columns:minmax(0,1fr);align-items:stretch}.sigcard__side{padding:var(--s-4);border-radius:var(--radius-m);border:1px solid 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