@charset "UTF-8";
:root {
  color-scheme: dark;
  --bg: #0a0a0a;
  --surface: #111111;
  --line: #2a2a2a;
  --text: #ededeb;
  --muted: #a0a0a0;
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-synthesis: none;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 38px; }
body { margin: 0; background: var(--bg); color: var(--text); font-size: 15px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; cursor: pointer; }
button, a { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible, canvas:focus-visible, summary:focus-visible { outline: 2px solid #e4e4e4; outline-offset: 5px; }
img { display: block; max-width: 100%; }
p, h1, h2, figure { margin: 0; }
h1, h2 { font-weight: 400; line-height: 1.09; letter-spacing: -.052em; }
h2 { font-size: clamp(30px, 3.4vw, 43px); }
p { color: var(--muted); }
[hidden] { display: none !important; }
.wrap { width: min(1200px, calc(100% - 96px)); margin-inline: auto; }
.eyebrow, .canvas-meta, .canvas-coordinate { font-family: "SFMono-Regular", Consolas, monospace; }
.eyebrow { font-size: 9px; letter-spacing: .13em; color: #939393; }
.skip-link { position: absolute; top: -90px; left: 20px; z-index: 5; padding: 10px 16px; background: #eee; color: #111; }
.skip-link:focus { top: 15px; }
.site-header { display: flex; align-items: center; justify-content: space-between; height: 89px; border-bottom: 1px solid var(--line); gap: 24px; }
.brand { display: inline-flex; align-items: center; flex-shrink: 0; font-size: 32px; font-weight: 600; line-height: 1; color: var(--text); }
.brand-mark { display: inline-block; letter-spacing: -.055em; white-space: nowrap; }
.brand-slash { display: inline-block; margin-inline: .025em; }
.slash-blue { color: #8fb9dd; }
.slash-gold { color: #e9bb4f; }
.slash-green { color: #94b38a; }
.site-header nav { display: flex; gap: 33px; color: #aaa; font-size: 12px; }
.site-header a:hover, .quiet-link:hover, .site-footer a:hover { color: #fff; }
.repo-link { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; flex-shrink: 0; }
.repo-link span { margin-left: 22px; color: #aaa; }
.hero { padding-top: 65px; }
.hero-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 32px; margin: 24px 0 40px; }
h1 { font-size: clamp(46px, 5.3vw, 73px); line-height: 1.06; letter-spacing: -.057em; }
h1 span { color: #929292; }
.hero-aside { padding-bottom: 4px; flex-shrink: 0; }
.hero-aside p { font-size: 14px; line-height: 1.75; }
.button { display: inline-flex; align-items: center; justify-content: space-between; gap: 38px; background: #e9e9e6; border: 1px solid #e9e9e6; color: #171717; font-size: 12px; font-weight: 500; padding: 11px 17px; border-radius: 3px; transition: background .15s; }
.button:hover { background: #fff; }
.hero-aside .button { margin-top: 0; }
.network-figure { border-top: 1px solid #303030; position: relative; }
.canvas-meta { display: flex; align-items: center; justify-content: space-between; height: 42px; font-size: 8px; letter-spacing: .11em; color: #939393; }
.canvas-meta i { display: inline-block; background: #c5c5c5; width: 4px; height: 4px; border-radius: 50%; margin-right: 9px; vertical-align: middle; }
.network-stage { position: relative; height: 435px; overflow: hidden; background: radial-gradient(ellipse at 50% 60%, #0b2438 0%, #080f17 35%, #0a0a0a 70%); }
#network { position: absolute; inset: 0; width: 100%; height: 100%; touch-action: pan-y; cursor: grab; mask-image: linear-gradient(transparent, #000 5%, #000 92%, transparent); }
#network:active { cursor: grabbing; }
.network-fallback { position: absolute; inset: 0; overflow: hidden; mask-image: radial-gradient(ellipse 60% 57% at 50% 50%, #000 25%, transparent 83%); }
.network-fallback img { position: absolute; width: 114%; height: auto; max-width: none; left: -20%; top: -39%; }
.webgl-active .network-fallback { display: none; }
.network-labels { display: none; position: absolute; inset: 0; pointer-events: none; }
.webgl-active .network-labels { display: block; }
.network-labels span { position: absolute; top: 0; left: 0; font: 10px "SFMono-Regular", Consolas, monospace; color: #c8d5dd; padding: 5px 9px; border-left: 1px solid #557283; background: #10171ba6; white-space: nowrap; }
.canvas-coordinate { position: absolute; left: 0; bottom: 12px; font-size: 8px; letter-spacing: .1em; color: #808080; }
.motion-toggle { position: absolute; right: 0; bottom: 8px; border: 0; padding: 5px 0 5px 10px; background: transparent; color: #aaa; font-size: 10px; }
.motion-toggle span { margin-left: 10px; }
figcaption { display: flex; justify-content: space-between; gap: 15px; font-size: 10px; color: #858585; padding-top: 10px; }
.workflow { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; border-top: 1px solid #303030; margin-top: 22px; }
.phase-controls { display: flex; justify-content: space-between; gap: 22px; }
.phase-controls button { flex: 1; border: 0; border-top: 1px solid transparent; background: none; padding: 18px 0; text-align: left; font-size: 13px; color: #8a8a8a; margin-top: -1px; }
.phase-controls button span { font-family: monospace; font-size: 9px; margin-right: 10px; color: #747474; }
.phase-controls button[aria-pressed="true"] { color: #eee; border-top-color: #eee; }
#phase-description { font-size: 12px; }
.model-section { display: grid; grid-template-columns: 1fr 1fr; gap: 100px; padding-block: 105px; }
.model-copy h2 { margin: 20px 0 25px; }
.model-copy>p:not(.eyebrow) { max-width: 335px; font-size: 14px; line-height: 1.8; }
.quiet-link { border: 0; padding: 0; background: transparent; display: inline-block; font-size: 11px; color: #b8b8b8; margin-top: 25px; }
.quiet-link span { margin-left: 20px; }
.workspace-section { padding-block: 55px 75px; border-top: 1px solid var(--line); }
.section-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 40px; margin-bottom: 35px; }
.section-heading h2 { margin-top: 18px; }
.section-heading>p { font-size: 12px; line-height: 1.65; }
.workspace-figure { border-top: 1px solid #353535; }
.workspace-image { display: block; border: 1px solid #333; }
.workspace-image img { width: 100%; height: auto; }
.control-copy .control-note { margin-top: 22px; font-size: 12px; }
.hero>.eyebrow { text-transform: uppercase; }
.questions-section { display: grid; grid-template-columns: 1fr 1fr; gap: 100px; padding-block: 40px 80px; }
.questions-section h2 { margin-top: 20px; font-size: 36px; }
.questions { border-top: 1px solid #3b3b3b; }
details { border-bottom: 1px solid #303030; }
summary { list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 18px; padding: 20px 0; font-size: 13px; cursor: pointer; }
summary::-webkit-details-marker { display: none; }
summary span { font-size: 18px; font-weight: 300; color: #929292; transition: transform .2s; }
details[open] summary span { transform: rotate(45deg); }
details p { font-size: 13px; line-height: 1.8; padding: 0 30px 22px 0; max-width: 470px; }
details code { color: #ddd; font-size: 11px; }
.site-footer { display: flex; align-items: center; justify-content: space-between; gap: 25px; padding-block: 25px; border-top: 1px solid #2a2a2a; color: #909090; font-size: 10px; }
.site-footer .brand { font-size: 27px; }
.footer-quote { max-width: 500px; text-align: right; font-size: 11px; line-height: 1.7; text-wrap: balance; }
.engineering-explainer { border: 0; }
.engineering-explainer>.quiet-link { display: inline-flex; align-items: center; padding: 0; }
.explainer-body { margin-top: 24px; border-top: 1px solid var(--line); }
.explainer-concepts { margin: 24px 0; }
.explainer-concepts>div { display: grid; grid-template-columns: 145px 1fr; gap: 22px; padding: 14px 0; border-top: 1px solid #2b2b2b; }
.explainer-concepts dt { font-size: 12px; font-weight: 500; color: #ddd; }
.explainer-concepts dd { margin: 0; font-size: 12px; line-height: 1.7; color: #a0a0a0; }
.explainer-note { border-left: 2px solid #656565; padding-left: 18px; }
.explainer-note p { font-size: 12px; margin-top: 8px; }
.hero-aside { min-width: 220px; }
.download-button { width: 100%; }
.download-button:disabled { cursor: default; background: #252525; border-color: #424242; color: #b5b5b5; }
.download-area #download-status { font-size: 10px; margin-top: 8px; color: #a0a0a0; }
.hero-aside .hero-explainer { margin-top: 16px; font-size: 11px; }
.control-copy h2 { text-wrap: balance; }
@media (max-width: 1000px) {
  .wrap { width: calc(100% - 64px); }
  .hero-heading { align-items: flex-start; }
  .hero-aside { padding-top: 3px; }
  .hero-aside p { font-size: 12px; }
  .desktop-break { display: none; }
  .model-section, .questions-section { gap: 50px; }
  .workflow { gap: 45px; }
  .section-heading h2 { font-size: 34px; }
}
@media (max-width: 700px) {
  .explainer-concepts>div { grid-template-columns: 1fr; gap: 5px; padding-block: 13px; }

  .wrap { width: calc(100% - 40px); }
  .site-header { display: grid; grid-template-columns: 1fr auto; height: auto; gap: 4px 20px; padding-top: 12px; }
  .site-header nav { display: flex; grid-column: 1 / -1; grid-row: 2; justify-content: space-between; gap: 10px; font-size: 11px; padding-block: 5px 12px; }
  .repo-link { grid-column: 2; grid-row: 1; }
  .brand { font-size: 29px; }
  .repo-link { font-size: 10px; }
  .repo-link span { margin-left: 10px; }
  .hero { padding-top: 41px; }
  .eyebrow { font-size: 8px; letter-spacing: .09em; }
  .hero-heading { display: block; margin: 20px 0 29px; }
  h1 { font-size: clamp(36px, 8.8vw, 61px); letter-spacing: -.056em; }
  .hero-aside { display: block; max-width: 255px; margin-top: 23px; }
  .hero-aside p { font-size: 11px; max-width: 190px; }
  .hero-aside .button { font-size: 9px; padding: 10px 12px; gap: 13px; margin: 0; flex-shrink: 0; }
  .network-stage { height: 340px; margin-inline: -20px; }
  .canvas-meta { font-size: 7px; height: 35px; letter-spacing: .04em; }
  .canvas-coordinate { left: 20px; }
  .motion-toggle { right: 20px; font-size: 9px; }
  .network-labels span { font-size: 8px; padding: 4px 6px; }
  .network-fallback img { width: 150%; left: -38%; top: -8%; }
  .network-fallback { mask-image: radial-gradient(ellipse at 50% 48%, #000 35%, transparent 75%); }
  figcaption { font-size: 8px; gap: 15px; padding-top: 6px; }
  .workflow { grid-template-columns: 1fr; gap: 0; margin-top: 17px; }
  .phase-controls button { font-size: 12px; padding: 16px 0 10px; }
  #phase-description { font-size: 11px; max-width: 300px; min-height: 40px; }
  .model-section { grid-template-columns: 1fr; gap: 30px; padding-block: 62px; }
  .model-copy h2 { font-size: 36px; margin: 16px 0 20px; }
  .model-copy>p:not(.eyebrow) { font-size: 13px; max-width: 340px; }
  .quiet-link { margin-top: 19px; }
  .workspace-section { padding-block: 40px 45px; }
  .section-heading { display: block; margin-bottom: 25px; }
  .section-heading h2 { font-size: 35px; max-width: 310px; }
  .section-heading>p { font-size: 11px; margin-top: 18px; }
  .section-heading>p br { display: none; }
  .section-heading>p br:after { content: " "; }
  .workspace-figure figcaption { flex-direction: column; gap: 2px; }
  .questions-section { grid-template-columns: 1fr; gap: 25px; padding-block: 20px 45px; }
  .questions-section h2 { font-size: 31px; margin-top: 14px; }
  summary { font-size: 12px; padding: 17px 0; }
  details p { font-size: 12px; }
  .site-footer { flex-direction: column; align-items: flex-start; gap: 18px; padding-block: 25px; }
  .footer-quote { max-width: 310px; text-align: left; font-size: 10px; }
}
@media (max-width: 360px) {
  .wrap { width: calc(100% - 32px); }
  h1 { font-size: 33px; }
  .hero-aside { display: block; }
  .hero-aside p { max-width: 240px; font-size: 12px; }
  .hero-aside .button { margin-top: 0; font-size: 10px; }
  .network-stage { margin-inline: -16px; height: 310px; }
  .canvas-meta { font-size: 6px; }
  .canvas-coordinate { left: 16px; }
  .motion-toggle { right: 16px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *:before, *:after { transition: none !important; }
}
/* Activate the workspace explicitly so ordinary page scrolling stays uninterrupted. */
.demo-figure{border-top:0}
.demo-stage{height:650px;position:relative;border:1px solid var(--line,#303030);background:#0a0a0a;overflow:hidden;border-radius:10px}
.demo-cover{height:100%;position:relative}.demo-cover>img{display:block;width:100%;height:100%;object-fit:cover;object-position:top;opacity:.68}.demo-invitation{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;background:linear-gradient(transparent,#0a0a0a55 30%,#0a0a0acc)}.demo-invitation p{font-size:clamp(22px,3vw,38px);letter-spacing:-.04em;color:#eee}.demo-invitation>span{font-size:12px;color:#bbb}.demo-invitation button{cursor:pointer;border:0}
.demo-stage iframe{position:absolute;left:0;top:0;width:100%;height:100%;border:0;background:#0a0a0a}
.demo-session-tools{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;gap:18px;padding:20px;background:#0a0a0a;z-index:2;font-size:12px}.demo-session-tools>span{color:#aaa}.demo-session-tools button,.demo-session-tools a{font:inherit;border:0;background:none;color:#ddd;cursor:pointer;white-space:nowrap;padding:7px 0}
.demo-stage.demo-expanded{position:fixed;inset:12px;width:auto;height:auto;z-index:1000;box-shadow:0 0 0 20px #000e}.demo-is-expanded{overflow:hidden}
.canvas-meta a{color:inherit;text-decoration:none}.demo-figure figcaption{gap:20px}
@media(max-width:650px){.demo-stage{height:580px}.demo-invitation{padding:20px;text-align:center}.demo-invitation>span{max-width:220px;line-height:1.6}.demo-session-tools{gap:12px;padding:0 10px;font-size:10px}.demo-session-tools{flex-wrap:wrap;align-content:center}.demo-session-tools>span{width:100%;text-align:center;font-size:11px}.demo-stage.demo-expanded{inset:0;border-radius:0}.demo-figure figcaption{flex-direction:column;gap:8px}.canvas-meta{gap:12px;font-size:8px}}