:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}body{margin:0}img,video{max-width:100%}[hidden]{display:none!important}:root{--bg:#f2f3f7;--surface:#fff;--surface-2:#e7e9f0;--fg:#15161d;--muted:#5b5f6e;--line:#d5d8e2;--accent:#2a57d6;--accent-soft:#2a57d61a;--ok:#17773f;--bad:#c0352b;--bad-soft:#c0352b1a;--glass:#ffffffd1;--shadow:0 1px 2px #1418280f, 0 12px 32px -12px #1418282e;--ph-bg:#101014;--ph-surface:#1b1b21;--ph-border:#2e2e38;--ph-text:#f3f3f5;--ph-muted:#a0a0ab;--ph-accent:#7aa2ff;--ph-bad:#ff6b6b;--f-display:"Schibsted Grotesk", "Helvetica Neue", Arial, sans-serif;--f-body:"IBM Plex Sans", -apple-system, "Segoe UI", Roboto, sans-serif;--f-mono:"IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;--col:1120px;--gutter:clamp(16px, 4vw, 40px)}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#101014;--surface:#18181e;--surface-2:#22222a;--fg:#f1f1f4;--muted:#a2a2ad;--line:#2c2c36;--accent:#86a8ff;--accent-soft:#86a8ff1f;--ok:#5fd08a;--bad:#ff7a70;--bad-soft:#ff7a701f;--glass:#26262cdb;--shadow:0 1px 2px #0006, 0 16px 40px -16px #000000b3;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}}:root[data-theme=dark]{--bg:#101014;--surface:#18181e;--surface-2:#22222a;--fg:#f1f1f4;--muted:#a2a2ad;--line:#2c2c36;--accent:#86a8ff;--accent-soft:#86a8ff1f;--ok:#5fd08a;--bad:#ff7a70;--bad-soft:#ff7a701f;--glass:#26262cdb;--shadow:0 1px 2px #0006, 0 16px 40px -16px #000000b3;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}body{background:var(--bg);color:var(--fg);font:16px/1.6 var(--f-body);-webkit-font-smoothing:antialiased}.wrap{max-width:var(--col);padding-inline:var(--gutter);margin-inline:auto}h1,h2,h3{font-family:var(--f-display);text-wrap:balance;letter-spacing:-.015em;margin:0}p{margin:0}a{color:var(--accent);text-underline-offset:3px}code,.mono{font-family:var(--f-mono);font-size:.875em}:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}.label{font-family:var(--f-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:0;font-size:12px;font-weight:500}.top{border-bottom:1px solid var(--line)}.top .wrap{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;padding-block:18px;display:flex}.brand{font-family:var(--f-display);color:var(--fg);align-items:center;gap:10px;font-size:18px;font-weight:800;text-decoration:none;display:flex}.brand svg{flex:none}.top nav{flex-wrap:wrap;gap:22px;display:flex}.top nav a{color:var(--muted);font-size:14px;font-weight:500;text-decoration:none}.top nav a:hover{color:var(--fg)}.hero{padding-block:clamp(40px,7vw,80px) clamp(40px,6vw,72px)}.hero-copy{gap:20px;max-width:760px;display:grid}.hero h1{letter-spacing:-.035em;font-size:clamp(40px,6.4vw,76px);font-weight:800;line-height:1}.hero h1 span{color:var(--muted)}.lede{color:var(--muted);max-width:60ch;font-size:clamp(17px,1.6vw,19px)}.lede strong{color:var(--fg);font-weight:600}.facts{font-family:var(--f-mono);color:var(--muted);flex-wrap:wrap;gap:8px 18px;font-size:13px;display:flex}.facts span:before{content:"";background:var(--ok);vertical-align:2px;border-radius:50%;width:6px;height:6px;margin-right:8px;display:inline-block}.byline{color:var(--muted);font-size:14px}.byline b{color:var(--fg);font-weight:600}.film{gap:12px;margin:0;display:grid}.film video{aspect-ratio:16/9;background:var(--ph-bg);width:100%;max-width:100%;box-shadow:var(--shadow);border-radius:10px;display:block}.film figcaption{color:var(--muted);max-width:72ch;font-size:14px}.demo{gap:20px;margin-top:clamp(36px,5vw,56px);display:grid}.stage{grid-template-columns:minmax(0,1.25fr) minmax(120px,.7fr) minmax(0,.85fr);align-items:start;display:grid}.stage>.device-col:first-child{margin-top:var(--mac-nudge,22px)}.device-col{gap:12px;min-width:0;display:grid}.device-col.phone-col{justify-items:center}.who{font-family:var(--f-mono);color:var(--muted);justify-content:space-between;gap:12px;width:100%;font-size:12px;display:flex}.phone-col .who{max-width:280px}.who b{color:var(--fg);font-weight:600}.mac{background:var(--glass);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:12px;overflow:hidden}.mac-bar{border-bottom:1px solid var(--line);align-items:center;gap:8px;padding:12px 14px;display:flex}.mac-bar i{border-radius:50%;width:12px;height:12px}.mac-bar i:first-child{background:#ff5f57}.mac-bar i:nth-child(2){background:#febc2e}.mac-bar i:nth-child(3){background:#28c840}.mac-bar span{font:600 13px/1 -apple-system, var(--f-body);margin-left:10px}.mac-body{font-family:-apple-system, var(--f-body);gap:14px;padding:clamp(18px,3vw,28px);display:grid}.mac-body h3{font:600 15px/1.3 -apple-system, var(--f-body);letter-spacing:0}.mac-body p{color:var(--muted);max-width:44ch;font-size:13px}.mock-actions{flex-wrap:wrap;gap:8px;display:flex}.mock-btn{border:1px solid var(--line);background:var(--surface-2);color:var(--fg);border-radius:7px;padding:5px 12px;font-size:13px}.mock-btn.primary{background:var(--accent);color:var(--bg);border-color:#0000}.sas{font-family:var(--f-mono);font-variant-numeric:tabular-nums;gap:.12em;font-size:clamp(34px,4.6vw,52px);font-weight:600;line-height:1;display:flex}.sas .gap{width:.4em}.sas .d{text-align:center;border-bottom:3px solid #0000;min-width:.62em;padding-bottom:6px;transition:color .25s,border-color .25s;display:inline-block}.sas .d.diff{color:var(--bad);border-bottom-color:var(--bad)}.phone .sas .d.diff{color:var(--ph-bad);border-bottom-color:var(--ph-bad)}.sas.rolling .d{opacity:.55}.phone{background:var(--ph-bg);width:min(100%,280px);max-width:100%;color:var(--ph-text);box-shadow:var(--shadow);border:8px solid #2a2a31;border-bottom:0;border-radius:34px 34px 0 0;flex-direction:column;gap:14px;padding:34px 20px 72px;display:flex;position:relative;-webkit-mask-image:linear-gradient(#000 calc(100% - 64px),#0000);mask-image:linear-gradient(#000 calc(100% - 64px),#0000)}.phone:before{content:"";background:#000;border-radius:50%;width:10px;height:10px;margin-left:-5px;position:absolute;top:10px;left:50%}.phone h3{font:600 21px/1.2 var(--f-body);letter-spacing:0}.phone p{color:var(--ph-muted);font-size:13px}.phone .sas{color:var(--ph-text);background:var(--ph-surface);border:1px solid var(--ph-border);border-radius:14px;justify-content:center;padding:18px 12px 12px;font-size:clamp(30px,3.6vw,40px)}.ph-btn{text-align:center;background:var(--ph-surface);border:1px solid var(--ph-border);border-radius:14px;padding:12px;font-size:14px;font-weight:600;display:block}.ph-btn.primary{background:var(--ph-accent);color:var(--ph-bg);border-color:#0000}.link{margin-top:var(--link-y,128px);align-self:start;place-items:center;min-height:120px;display:grid;position:relative}.link:before{content:"";border-top:2px dashed var(--accent);opacity:.7;position:absolute;top:50%;left:6px;right:6px}.link-tag{background:var(--bg);border:1px solid var(--line);font-family:var(--f-mono);color:var(--muted);text-align:center;border-radius:6px;padding:8px 10px;font-size:11px;line-height:1.5;position:relative}.link-tag b{color:var(--fg);font-weight:600;display:block}.relayed .link:before{border-top-color:var(--bad)}.relayed .link-tag{border-color:var(--bad);background:var(--bg);box-shadow:inset 0 0 0 100px var(--bad-soft)}.relayed .link-tag b{color:var(--bad)}.math{font-family:var(--f-mono);color:var(--muted);white-space:nowrap;max-width:100%;font-size:11.5px;line-height:1.6;overflow-x:auto}.phone-col .math{white-space:normal;width:100%;max-width:280px}.math b{color:var(--fg);font-weight:500}.controls{border:1px solid var(--line);background:var(--surface);border-radius:10px;flex-wrap:wrap;align-items:center;gap:12px 20px;padding:16px 18px;display:flex}.btn{font:600 14px/1 var(--f-body);border:1px solid var(--fg);background:var(--fg);color:var(--bg);cursor:pointer;border-radius:8px;padding:10px 16px}.btn:hover{opacity:.88}.switch{cursor:pointer;align-items:center;gap:10px;font-size:14px;font-weight:500;display:inline-flex}.switch input{appearance:none;background:var(--surface-2);border:1px solid var(--line);cursor:pointer;border-radius:11px;flex:none;width:38px;height:22px;margin:0;transition:background .2s;position:relative}.switch input:after{content:"";background:var(--fg);border-radius:50%;width:16px;height:16px;transition:transform .2s;position:absolute;top:2px;left:2px}.switch input:checked{background:var(--bad);border-color:var(--bad)}.switch input:checked:after{background:var(--bg);transform:translate(16px)}.verdict{flex:260px;align-items:center;gap:10px;min-width:0;font-size:14px;display:flex}.verdict .dot{background:var(--ok);border-radius:50%;flex:none;width:10px;height:10px}.relayed .verdict .dot{background:var(--bad)}.demo-note{color:var(--muted);max-width:80ch;font-size:13px}section.block{border-top:1px solid var(--line);padding-block:clamp(48px,7vw,88px)}.block .wrap{grid-template-columns:minmax(0,240px) minmax(0,1fr);gap:24px clamp(24px,5vw,64px);display:grid}.rail{align-content:start;gap:10px;display:grid}.rail h2{font-size:clamp(26px,3vw,34px);font-weight:700;line-height:1.1}.body{gap:28px;min-width:0;display:grid}.body>p{max-width:66ch;color:var(--muted)}.body>p strong{color:var(--fg);font-weight:600}.seq{border:1px solid var(--line);background:var(--surface);border-radius:10px;margin:0;padding:0;list-style:none;display:grid;overflow:hidden}.seq-head,.seq li{grid-template-columns:32px minmax(0,1fr) 64px minmax(0,1fr);align-items:start;gap:0 14px;padding:16px 18px;display:grid}.seq .seq-head{background:var(--surface-2);padding-block:10px}.seq li+li{border-top:1px solid var(--line)}.seq .n{font-family:var(--f-mono);color:var(--accent);padding-top:2px;font-size:13px;font-weight:600}.seq .side{gap:4px;min-width:0;display:grid}.seq .side b{font-size:15px;font-weight:600}.seq .side span{color:var(--muted);font-size:14px}.seq .dir{font-family:var(--f-mono);color:var(--accent);text-align:center;white-space:nowrap;font-size:16px}.seq .both{text-align:center;background:var(--accent-soft);border-radius:6px;grid-column:2/-1;padding:8px 12px}.seq .both b{font-size:15px;font-weight:600}.seq .both span{color:var(--muted);font-size:14px;display:block}.seq li.human .both{border:1px dashed var(--accent);background:0 0}.callout{border-left:3px solid var(--accent);gap:6px;max-width:66ch;padding:4px 0 4px 18px;display:grid}.callout p{color:var(--muted)}.callout h3{font-size:17px;font-weight:700}.checks{border-block:1px solid var(--line);grid-template-columns:repeat(3,minmax(0,1fr));display:grid}.check{align-content:start;gap:10px;padding:22px 22px 24px 0;display:grid}.check+.check{border-left:1px solid var(--line);padding-left:22px}.check h3{font-size:19px;font-weight:700}.check p{color:var(--muted);font-size:15px}.check .kind{font-family:var(--f-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--accent);font-size:11px}.warn{background:var(--bad-soft);border-radius:10px;gap:6px;max-width:72ch;padding:16px 18px;display:grid}.warn b{color:var(--bad);font-weight:600}.warn p{font-size:15px}details.wire{border:1px solid var(--line);background:var(--surface);border-radius:10px}details.wire summary{cursor:pointer;padding:14px 18px;font-size:15px;font-weight:600}details.wire summary span{color:var(--muted);font-weight:400}.table-scroll{overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:14px}th,td{text-align:left;vertical-align:top;border-top:1px solid var(--line);padding:10px 18px}th{white-space:nowrap;font-weight:600}td{color:var(--muted)}td code{color:var(--fg)}.caps{border:1px solid var(--line);background:var(--surface);border-radius:10px;margin:0;padding:0;list-style:none;overflow:hidden}.caps li{grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:2px 16px;padding:14px 18px;display:grid}.caps li+li{border-top:1px solid var(--line)}.caps .name{font-weight:600}.caps .what{color:var(--muted);grid-column:1;font-size:14px}.caps .state{font-family:var(--f-mono);border:1px solid var(--line);color:var(--muted);white-space:nowrap;border-radius:999px;grid-area:1/2/span 2;padding:4px 10px;font-size:12px}.caps .state.on{background:var(--accent-soft);color:var(--accent);border-color:#0000;font-weight:600}.rules{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 32px;display:grid}.rule{align-content:start;gap:6px;display:grid}.rule h3{font-size:17px;font-weight:700}.rule p{color:var(--muted);font-size:15px}kbd{font-family:var(--f-mono);border:1px solid var(--line);background:var(--surface);color:var(--fg);border-bottom-width:2px;border-radius:5px;padding:1px 6px;font-size:.85em}.keys{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px 24px;display:grid}.key{border-top:2px solid var(--fg);align-content:start;gap:8px;padding-top:14px;display:grid}.key h3{font-size:16px;font-weight:700}.key p{color:var(--muted);font-size:14px}.nots{grid-template-columns:repeat(2,minmax(0,1fr));gap:0 32px;margin:0;padding:0;list-style:none;display:grid}.nots li{border-top:1px solid var(--line);gap:4px;padding:14px 0;display:grid}.nots b{font-weight:600}.nots span{color:var(--muted);font-size:14px}.steps{gap:18px;display:grid}.cmd{gap:8px;min-width:0;display:grid}.cmd-head{justify-content:space-between;align-items:baseline;gap:12px;display:flex}.cmd-head h3{font-size:16px;font-weight:700}.copy{font:500 12px/1 var(--f-mono);border:1px solid var(--line);background:var(--surface);color:var(--muted);cursor:pointer;border-radius:6px;padding:6px 10px}.copy:hover{color:var(--fg)}pre{background:var(--ph-bg);color:var(--ph-text);font:13.5px/1.7 var(--f-mono);border-radius:8px;margin:0;padding:14px 16px;overflow-x:auto}pre .c{color:var(--ph-muted)}.reqs{flex-wrap:wrap;gap:8px;display:flex}.reqs span{font-family:var(--f-mono);border:1px solid var(--line);background:var(--surface);border-radius:6px;padding:5px 10px;font-size:12.5px}footer{border-top:1px solid var(--line);color:var(--muted);padding-block:28px 40px;font-size:14px}footer .wrap{flex-wrap:wrap;justify-content:space-between;gap:12px;display:flex}@media (max-width:900px){.stage{grid-template-columns:minmax(0,1fr);gap:4px}.stage>.device-col:first-child{margin-top:0}.link{min-height:96px;margin-top:0}.link:before{border-top:0;border-left:2px dashed var(--accent);inset:0 auto 0 50%}.relayed .link:before{border-left-color:var(--bad)}.block .wrap,.checks,.keys{grid-template-columns:minmax(0,1fr)}.check,.check+.check{border-left:0;padding:20px 0}.check+.check{border-top:1px solid var(--line)}}@media (max-width:640px){.rules,.nots{grid-template-columns:minmax(0,1fr)}.seq .seq-head{display:none}.seq li{grid-template-columns:24px minmax(0,1fr);gap:10px}.seq .dir{display:none}.seq li>.side+.dir+.side{grid-column:2}.seq .side[data-who]:before{content:attr(data-who);font-family:var(--f-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-size:11px}.seq .both{text-align:left;grid-column:2}.top nav{gap:14px}}@media (prefers-reduced-motion:reduce){*{transition:none!important}}