@layer reset, theme, layout, components, responsive;
@layer reset { *,*::before,*::after{box-sizing:border-box} html{scroll-behavior:smooth;scroll-padding-top:100px} body{margin:0} button,input,select{font:inherit} button,a{-webkit-tap-highlight-color:transparent} img,svg{display:block;max-width:100%} h1,h2,h3,p,figure{margin:0} a{color:inherit} button{cursor:pointer} [hidden]{display:none!important} }
@layer theme {
:root{color-scheme:light dark;--paper:#f8f7f3;--surface:#fffefa;--soft:#eeeee7;--ink:#252623;--muted:#63665f;--line:#d9dbd1;--accent:#c74322;--accent-fill:#e75631;--tint:#f6e6db;--green:#416147;--shadow:0 24px 90px #292d2012;--radius:16px;--font:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--mono:ui-monospace,SFMono-Regular,Consolas,monospace}
:root[data-theme=dark]{--paper:#191b18;--surface:#21241f;--soft:#282c25;--ink:#f3f2e9;--muted:#b7bcb0;--line:#3e4438;--accent:#ff956d;--accent-fill:#e75631;--tint:#35271f;--green:#a3c9a7;--shadow:0 24px 90px #0003}
@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--paper:#191b18;--surface:#21241f;--soft:#282c25;--ink:#f3f2e9;--muted:#b7bcb0;--line:#3e4438;--accent:#ff956d;--accent-fill:#e75631;--tint:#35271f;--green:#a3c9a7;--shadow:0 24px 90px #0003}}
body{background:var(--paper);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased} ::selection{background:var(--tint);color:var(--ink)} a{text-decoration:none} a:hover{color:var(--accent)} :focus-visible{outline:3px solid var(--accent);outline-offset:5px} h1,h2,h3{font-weight:560;line-height:1.08;letter-spacing:-.045em} h1{font-size:clamp(48px,7.7vw,104px)} h2{font-size:clamp(32px,4.2vw,54px)} h3{font-size:23px;letter-spacing:-.025em} p{color:var(--muted)} .eyebrow{font-family:var(--mono);text-transform:uppercase;font-size:11px;letter-spacing:.14em;line-height:1.6;color:var(--muted)} .accent{color:var(--accent)} .muted{color:var(--muted)} .small{font-size:13px} .mono{font-family:var(--mono)}
}
@layer layout {
.container{width:min(1120px,calc(100% - 80px));margin-inline:auto}.site-header{position:sticky;top:0;z-index:20;background:var(--paper);border-bottom:1px solid var(--line)} .header-inner{min-height:86px;display:flex;align-items:center;gap:36px}.logo{display:inline-flex;align-items:center;gap:10px;font-weight:750;font-size:21px;letter-spacing:-.04em}.logo img{width:31px;height:31px}.site-nav{display:flex;align-items:center;gap:29px;margin-left:auto;font-size:13px;font-weight:500}.site-nav a[aria-current=page]{color:var(--accent)}.header-actions{display:flex;align-items:center;gap:18px}.icon-button{width:36px;height:36px;display:grid;place-items:center;background:transparent;border:1px solid var(--line);color:var(--ink);border-radius:50%}.icon-button svg{width:17px;height:17px}.menu-button{display:none}.skip{position:fixed;left:16px;top:-80px;z-index:99;padding:12px 18px;background:var(--ink);color:var(--paper)}.skip:focus{top:12px}.hero{padding:91px 0 64px}.hero-home{display:grid;grid-template-columns:1fr auto;align-items:end;gap:24px;padding-top:78px}.hero-home .hero-copy{max-width:760px}.hero h1{margin:22px 0 25px}.hero .intro{max-width:550px;font-size:19px;line-height:1.65}.hero-home .intro{max-width:530px}.hero .actions{margin-top:30px}.actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center}.hero-side{padding-bottom:10px;max-width:200px}.hero-side p{font-size:12px;line-height:1.8}.hero-side .line{display:block;width:38px;height:1px;background:var(--accent);margin-bottom:17px}.section{padding-block:100px;border-top:1px solid var(--line)}.section-head{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:end;margin-bottom:48px}.section-head .eyebrow{margin-bottom:20px}.section-head p{max-width:435px}.section-title{max-width:650px;margin-bottom:48px}.section-title .eyebrow{margin-bottom:18px}.section-title p{margin-top:22px}.two-column{display:grid;grid-template-columns:1fr 1fr;gap:48px}.three-column{display:grid;grid-template-columns:repeat(3,1fr);gap:36px}.footer{border-top:1px solid var(--line);padding:62px 0 25px}.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:28px}.footer p{font-size:13px;max-width:220px;margin-top:18px}.footer h3{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;margin-bottom:18px}.footer ul{list-style:none;padding:0;margin:0;display:grid;gap:9px;font-size:13px;color:var(--muted)}.footer-bottom{display:flex;justify-content:space-between;gap:20px;font-size:11px;color:var(--muted);margin-top:70px;padding-top:22px;border-top:1px solid var(--line)}.legal{max-width:740px}.legal h2{font-size:29px;margin:42px 0 16px}.legal h3{font-size:20px;margin:24px 0 10px}.legal p+p{margin-top:14px}.legal ul,.legal ol{color:var(--muted);padding-left:22px}.legal li{padding-left:5px;margin:9px 0}.legal a{text-decoration:underline;text-underline-offset:4px}.docs-layout{display:grid;grid-template-columns:200px 1fr;gap:80px;padding-bottom:100px}.docs-nav{position:sticky;top:120px;align-self:start;display:grid;gap:11px;font-size:13px;color:var(--muted)}.docs-nav .eyebrow{margin-bottom:10px}.docs-main{min-width:0}.docs-main section{scroll-margin-top:116px;padding-top:20px;margin-bottom:44px}.docs-main h2{font-size:32px;margin-bottom:18px}.docs-main h3{font-size:20px;margin:28px 0 12px}.docs-main p{margin:14px 0}.docs-main li{color:var(--muted);margin:10px 0}.docs-main a{text-decoration:underline;text-underline-offset:3px}.docs-main code{font-family:var(--mono);font-size:.85em;word-break:break-word}.docs-main pre{white-space:pre-wrap;word-break:break-word;background:var(--soft);padding:24px;border-radius:10px;line-height:1.8}.doc-note{border-left:2px solid var(--accent);padding:14px 20px;background:var(--tint);font-size:14px}
}
@layer components {
.button{border:1px solid var(--ink);background:var(--ink);color:var(--paper);border-radius:8px;padding:13px 20px;min-height:46px;display:inline-flex;justify-content:center;align-items:center;gap:20px;font-size:13px;font-weight:550;line-height:1.3;transition:transform .16s,background .16s}.button:hover{transform:translateY(-2px);background:var(--accent);border-color:var(--accent);color:var(--paper)}.button.secondary{background:transparent;color:var(--ink);border-color:var(--line)}.button.secondary:hover{border-color:var(--ink);background:var(--soft);color:var(--ink)}.button.small{min-height:36px;padding:9px 14px;font-size:12px}.arrow{font-size:18px;line-height:1}.text-link{display:inline-flex;gap:16px;align-items:center;font-size:14px;font-weight:550}.badge{display:inline-flex;align-items:center;gap:8px;font-size:11px;letter-spacing:.04em;line-height:1.6;padding:5px 10px;border:1px solid var(--line);border-radius:5px}.badge .dot{width:5px;height:5px;border-radius:50%;background:var(--accent-fill)}.platform-note{font-size:11px;margin-top:16px;color:var(--muted)}.platform-note span+span::before{content:'·';margin:0 10px}.ownership{min-height:370px;border-radius:12px;background:var(--soft);display:grid;grid-template-columns:1fr 1fr;overflow:hidden;border:1px solid var(--line)}.ownership-copy{padding:50px;display:flex;flex-direction:column;justify-content:space-between;gap:35px}.ownership-copy h2{font-size:36px;max-width:330px}.ownership-copy p{font-size:13px;max-width:320px;margin-top:17px}.ownership .eyebrow{color:var(--green)}.device-diagram{display:grid;place-items:center;padding:35px;position:relative}.diagram-square{width:250px;height:250px;display:grid;place-items:center;border:1px solid var(--line);border-radius:34px;position:relative}.diagram-square::before,.diagram-square::after{content:'';position:absolute;inset:22px;border:1px solid var(--line);border-radius:26px}.diagram-square::after{inset:44px;border-radius:20px}.diagram-core{position:relative;z-index:1;width:116px;height:116px;display:grid;place-items:center;background:var(--paper);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}.diagram-core img{width:60px;height:60px}.diagram-label{position:absolute;background:var(--soft);padding:4px 11px;font-family:var(--mono);font-size:10px;letter-spacing:.06em;z-index:2}.diagram-label.top{top:-13px;left:50%;transform:translateX(-50%)}.diagram-label.bottom{bottom:-13px;left:50%;transform:translateX(-50%);white-space:nowrap}.preview{background:var(--soft);border:1px solid var(--line);border-radius:12px;padding:22px 22px 0;overflow:hidden}.preview img{width:100%;height:auto;border:1px solid var(--line);border-radius:8px 8px 0 0;box-shadow:var(--shadow)}.preview figcaption{display:flex;gap:20px;justify-content:space-between;padding:18px 0;font-size:11px;color:var(--muted)}.principle .index{display:block;font-family:var(--mono);font-size:11px;color:var(--accent);margin-bottom:42px}.principle h3{margin-bottom:16px}.principle p{font-size:14px}.feature-list{border-top:1px solid var(--line)}.feature-row{display:grid;grid-template-columns:60px 1fr 1.25fr;gap:32px;padding:33px 0;border-bottom:1px solid var(--line);align-items:start}.feature-row .index{font-family:var(--mono);font-size:11px;color:var(--accent);padding-top:4px}.feature-row h3{font-size:26px}.feature-row p{font-size:14px;max-width:430px}.feature-row .badge{margin-top:15px}.compute-rows{border-top:1px solid var(--line)}.compute-row{display:grid;grid-template-columns:42px 1fr 1.4fr auto;align-items:center;gap:20px;padding:25px 0;border-bottom:1px solid var(--line)}.compute-row svg{width:22px;height:22px}.compute-row h3{font-size:19px}.compute-row p{font-size:13px}.compute-row .badge{white-space:nowrap}.closing{padding:85px 0 100px}.closing h2{max-width:620px;margin-bottom:28px}.closing-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}.statement{font-size:clamp(27px,3.6vw,45px);line-height:1.3;letter-spacing:-.035em;max-width:920px;color:var(--ink)}.statement span{color:var(--muted)}.notice{padding:22px 26px;background:var(--soft);border:1px solid var(--line);border-radius:10px;font-size:14px;display:flex;gap:15px;align-items:start;margin-bottom:40px}.notice svg{flex-shrink:0;width:20px;margin-top:2px}.notice strong{display:block;font-weight:550;color:var(--ink);margin-bottom:5px}.availability{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:30px 0}.platform-choice{border:1px solid var(--line);border-radius:10px;background:transparent;text-align:left;padding:25px 20px;color:var(--ink);min-height:165px;transition:background .15s,border-color .15s}.platform-choice[aria-pressed=true]{border-color:var(--accent);background:var(--tint)}.platform-choice:hover{border-color:var(--ink)}.platform-choice svg{width:25px;height:25px;margin-bottom:24px}.platform-choice strong{display:block;font-size:17px;font-weight:550}.platform-choice span{font-size:11px;color:var(--muted)}.platform-detail{display:grid;grid-template-columns:1fr 1.3fr;gap:50px;border-top:1px solid var(--line);padding:30px 0}.platform-detail h2{font-size:33px;margin:13px 0}.platform-detail p{font-size:14px}.steps{counter-reset:step;display:grid;grid-template-columns:repeat(3,1fr);gap:40px}.step{counter-increment:step}.step::before{content:'0' counter(step);font-family:var(--mono);display:block;color:var(--accent);font-size:12px;margin-bottom:30px}.step h3{margin-bottom:15px}.step p{font-size:14px}.model-guide{background:var(--soft);border:1px solid var(--line);border-radius:12px;padding:36px;display:grid;grid-template-columns:1fr 1.2fr;gap:60px}.model-guide label{display:block;font-size:13px;font-weight:550;margin:20px 0 8px}.model-guide select{min-width:190px;padding:12px;border:1px solid var(--line);border-radius:7px;background:var(--paper);color:var(--ink)}.model-guide h3{margin:10px 0 18px}.model-guide p{font-size:14px}.model-families{display:grid;grid-template-columns:1fr 1fr;gap:0 60px}.model-family{border-top:1px solid var(--line);padding:27px 0}.model-family .row{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:14px}.model-family p{font-size:14px}.model-family a{font-size:12px;color:var(--accent);display:inline-block;margin-top:16px}.status-table{width:100%;border-collapse:collapse;font-size:13px;text-align:left}.status-table th{font-family:var(--mono);font-size:10px;letter-spacing:.06em;text-transform:uppercase;font-weight:500;color:var(--muted)}.status-table td,.status-table th{padding:18px 14px 18px 0;border-bottom:1px solid var(--line);vertical-align:top}.status-table td:first-child{font-weight:550}.status-table td:last-child{color:var(--muted)}.privacy-facts{display:grid;gap:0;margin-top:45px}.privacy-fact{display:grid;grid-template-columns:32px 180px 1fr;gap:22px;padding:25px 0;border-top:1px solid var(--line)}.privacy-fact svg{width:20px;height:20px;color:var(--green)}.privacy-fact h3{font-size:18px;padding-top:2px}.privacy-fact p{font-size:14px}.source-links{display:grid;grid-template-columns:1fr 1fr;gap:0 36px}.source-link{display:flex;justify-content:space-between;align-items:center;padding:22px 0;border-bottom:1px solid var(--line);font-size:14px}.copy-row{display:flex;justify-content:flex-end}.copy-row button{background:transparent;border:1px solid var(--line);padding:7px 12px;border-radius:5px;color:var(--ink);font-size:12px}.roadmap-flow{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:45px 0}.roadmap-node{flex:1;text-align:center}.roadmap-node span{width:70px;height:70px;border:1px solid var(--line);border-radius:18px;display:grid;place-items:center;margin:0 auto 20px;background:var(--surface)}.roadmap-node svg{width:26px;height:26px}.roadmap-node h3{font-size:18px}.roadmap-node p{font-size:12px;margin-top:8px}.flow-line{width:45px;border-top:1px dashed var(--line);margin-bottom:45px}.error-page{min-height:60vh;padding:100px 0}.error-page h1{font-size:72px;margin-bottom:22px}.error-page p{max-width:470px;margin-bottom:25px}
}
@layer responsive {
@media(min-width:1400px){.container{width:1160px}.hero{padding-top:105px}.hero-home{padding-top:95px}}
@media(max-width:950px){.container{width:calc(100% - 48px)}.site-nav{gap:18px}.header-inner{gap:24px}.header-actions{gap:10px}.hero-side{display:none}.hero-home{display:block}.section{padding-block:75px}.section-head{gap:35px}.footer-top{grid-template-columns:1.5fr 1fr 1fr 1fr}.docs-layout{gap:40px;grid-template-columns:155px 1fr}.availability{gap:9px}.platform-choice{padding:22px 15px}.ownership-copy{padding:35px}.ownership-copy h2{font-size:31px}.model-guide{gap:35px}}
@media(max-width:720px){.container{width:calc(100% - 40px)}.header-inner{min-height:70px;gap:16px}.header-actions{margin-left:auto}.header-actions>.button{display:none}.menu-button{display:grid}.site-nav{display:none;position:absolute;left:0;right:0;top:70px;padding:24px 20px;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:0 10px 20px #0001}.site-nav.is-open{display:flex;flex-direction:column;align-items:stretch;gap:0}.site-nav a{padding:13px 10px;font-size:16px}.hero{padding:55px 0 45px}.hero h1{font-size:clamp(48px,12vw,78px);margin:22px 0}.hero .intro{font-size:17px}.hero .actions{margin-top:26px}.section{padding-block:60px}.section-head,.two-column,.three-column,.model-guide,.platform-detail{grid-template-columns:1fr;gap:28px}.section-head{margin-bottom:35px}.section-head p{max-width:none}.principle .index{margin-bottom:18px}.three-column{gap:35px}.principle{padding-top:20px;border-top:1px solid var(--line)}.ownership{grid-template-columns:1fr}.ownership-copy{padding:30px;gap:30px}.device-diagram{padding:10px 30px 45px}.diagram-square{width:220px;height:220px}.ownership-copy h2{max-width:350px}.feature-row{grid-template-columns:25px 1fr;gap:14px;padding:25px 0}.feature-row>div:last-child{grid-column:2}.feature-row h3{font-size:23px}.compute-row{grid-template-columns:26px 1fr auto;gap:12px}.compute-row p{grid-column:2 / 4;grid-row:2}.compute-row .badge{font-size:9px}.compute-row h3{font-size:17px}.closing{padding-block:55px}.closing-inner{display:block}.closing h2{font-size:36px}.footer{padding-top:45px}.footer-top{grid-template-columns:1fr 1fr;gap:36px}.footer-top>div:first-child{grid-column:1 / -1}.footer-top>div:first-child p{max-width:100%}.footer-bottom{margin-top:45px;flex-direction:column;gap:10px}.availability{grid-template-columns:1fr 1fr}.platform-choice{min-height:145px}.platform-detail{padding-top:20px;gap:15px}.steps{grid-template-columns:1fr;gap:32px}.step::before{margin-bottom:12px}.model-guide{padding:25px}.model-families{grid-template-columns:1fr}.privacy-fact{grid-template-columns:25px 1fr;gap:12px}.privacy-fact p{grid-column:2}.source-links{grid-template-columns:1fr}.docs-layout{grid-template-columns:1fr;gap:30px}.docs-nav{position:static;display:flex;flex-wrap:wrap;gap:8px 18px;border-block:1px solid var(--line);padding-block:20px}.docs-nav .eyebrow{width:100%;margin-bottom:3px}.docs-main section{padding-top:0}.docs-main pre{padding:18px;font-size:12px}.status-table{font-size:12px}.status-table td,.status-table th{padding-right:10px}.roadmap-flow{gap:8px}.roadmap-node span{width:52px;height:52px;border-radius:13px}.roadmap-node h3{font-size:14px}.roadmap-node p{font-size:11px}.flow-line{width:16px}.notice{padding:19px;gap:12px}.preview{padding:10px 10px 0}.preview figcaption{display:block;font-size:10px}.preview figcaption span{display:block}.platform-note{font-size:10px}.platform-note span+span::before{margin:0 5px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}
}

@layer components { .icon-button { min-width:44px; min-height:44px; } .feature-row > * { min-width:0; overflow-wrap:break-word; } }
@layer responsive { @media(max-width:720px) { .feature-row > p:last-child { grid-column:2; } .feature-row > h3 { margin-bottom:0; } } }

@layer responsive { @media(max-width:720px) { .footer li a { display:flex; align-items:center; min-height:44px; } .footer ul { gap:2px; } .docs-nav a { display:inline-flex; align-items:center; min-height:32px; } } }

.simple-advanced { margin-top: 32px; margin-bottom: 72px; }
.simple-advanced > summary { cursor: pointer; padding: 18px 0; min-height: 48px; }
.simple-advanced .hero { padding-top: 32px; }