:root {
  color-scheme: dark;
  --bg: #08090d;
  --bg-1: #0c0e14;
  --bg-2: #11141c;
  --line: #1d2230;
  --line-2: #2a3142;
  --ink: #e9ecf3;
  --ink-2: #a8b0c0;
  --ink-3: #6f7789;
  --accent: #8fb8ff;
  --accent-dim: #4d6a9c;
  --warm: #ffba84;
  --ok: #6ede8a;
  --radius: 14px;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
          "Hiragino Sans", "Noto Sans", Roboto, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, "Cascadia Mono", monospace;
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

html, body { height: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
  opacity: 0;
  transition: opacity .25s ease;
}
body.ready { opacity: 1; }

a { color: inherit; text-decoration: none; }

#ad-header {
  display: flex; align-items: center; gap: 22px;
  padding: 14px 26px;
  border-bottom: 1px solid var(--line);
  background: rgba(8, 9, 13, .82);
  backdrop-filter: blur(14px);
  position: sticky; top: 0; z-index: 20;
}
#ad-header .brand {
  font-weight: 650; letter-spacing: -.01em; font-size: 15px;
}
#ad-header .mainnav { display: flex; gap: 18px; font-size: 13.5px; }
#ad-header .mainnav a { color: var(--ink-3); }
#ad-header .mainnav a:hover { color: var(--ink-2); }
#ad-header .mainnav a.on { color: var(--ink); }
#ad-header .langpick { margin-left: auto; }
.langpick select {
  background: var(--bg-2); color: var(--ink-2);
  border: 1px solid var(--line-2); border-radius: 8px;
  padding: 5px 9px; font: 12.5px var(--sans);
}

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 26px; }

h1 { font-size: 30px; line-height: 1.2; letter-spacing: -.02em; margin: 0 0 10px; }
h2 { font-size: 17px; letter-spacing: -.01em; margin: 0 0 12px; }
p { margin: 0 0 12px; }

.lede { color: var(--ink-2); font-size: 16px; max-width: 62ch; }
.muted { color: var(--ink-3); }
.small { font-size: 12.5px; }
.mono { font-family: var(--mono); }

.eyebrow {
  font: 600 11px/1 var(--mono); letter-spacing: .14em; text-transform: uppercase;
  color: var(--ink-3); margin-bottom: 10px;
}

.btn {
  display: inline-flex; align-items: center; gap: 7px;
  border: 1px solid var(--line-2); border-radius: 9px;
  padding: 7px 13px; font-size: 13px; color: var(--ink-2);
  background: var(--bg-2); cursor: pointer;
}
.btn:hover { border-color: var(--accent-dim); color: var(--ink); }
.btn.primary { border-color: var(--accent-dim); color: var(--accent); }

.hero { padding: 58px 0 30px; }
.hero h1 { font-size: 40px; max-width: 22ch; }
.cta { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 22px; }

.stage {
  border: 1px solid var(--line); border-radius: var(--radius);
  background: #05070d; overflow: hidden; position: relative;
}
.stage canvas { display: block; width: 100%; }
.stage .hint {
  position: absolute; left: 14px; bottom: 12px; font-size: 11.5px; color: var(--ink-3);
  background: rgba(8,9,13,.6); padding: 4px 9px; border-radius: 7px;
  pointer-events: none;
}
.preview { display: block; aspect-ratio: 16 / 9; margin: 6px 0 14px; transition: border-color .18s ease; }
.preview:hover { border-color: var(--line-2); }
.preview canvas { display: block; width: 100%; height: 100%; }
.caption { display: flex; gap: 14px; align-items: baseline; flex-wrap: wrap; margin-bottom: 8px; }
.caption + .lede { margin-bottom: 38px; }

.two { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; padding-bottom: 22px; }
@media (max-width: 860px) { .two { grid-template-columns: 1fr; } }
.pane { border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-1); padding: 20px 22px; }
.pane p:last-child { margin-bottom: 0; }
.claims { list-style: none; margin: 0; padding: 0; }
.claims li { display: flex; gap: 10px; padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 13.5px; color: var(--ink-2); }
.claims li:last-child { border-bottom: 0; }
.claims .k { font: 600 10px/1.6 var(--mono); letter-spacing: .08em; text-transform: uppercase; white-space: nowrap; }
.claims .k.v { color: var(--ok); }
.claims .k.r { color: var(--warm); }

.ctl { margin-bottom: 13px; }
.ctl label { display: flex; justify-content: space-between; font-size: 12.5px; color: var(--ink-2); margin-bottom: 5px; }
.ctl label var { font-family: var(--mono); font-style: normal; color: var(--accent); }
.ctl input[type=range] { width: 100%; accent-color: var(--accent); }
.val {
  font-family: var(--mono); font-size: 12px; border: 1px solid var(--line-2);
  border-radius: 7px; padding: 4px 9px; color: var(--ink-2); background: var(--bg-2);
  white-space: nowrap;
}
.val b { color: var(--accent); font-weight: 500; }
.val i { font-style: normal; color: var(--ink-3); }

body.demo { overflow: hidden; }
.demowrap { position: fixed; inset: 0; display: flex; flex-direction: column; }
.demostage { flex: 1; position: relative; background: #05070d; }
.demostage canvas {
  position: absolute; inset: 0; width: 100%; height: 100%;
  touch-action: none;
}
.demobar {
  display: flex; gap: 10px; align-items: center; flex-wrap: wrap;
  padding: 9px 16px; border-top: 1px solid var(--line); background: var(--bg-1);
}
.demobar .btn { white-space: nowrap; }
.demobar .small { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.demobar .grow { flex: 1; }
/* Always on screen, top right: panel toggle + language. Neither can live inside
   the panel, because the panel starts closed. */
.stagetools {
  position: absolute; top: 16px; right: 16px; z-index: 5;
  display: flex; align-items: center; gap: 8px;
}
.stagetools .btn, .stagetools select {
  background: rgba(12,14,20,.9); backdrop-filter: blur(10px);
}
.stagetools .btn.on { border-color: var(--accent-dim); color: var(--accent); }
.stagetools select { padding: 7px 9px; }

.demopanel {
  position: absolute; top: 60px; right: 16px; width: 268px;
  background: rgba(12,14,20,.9); border: 1px solid var(--line-2);
  border-radius: var(--radius); backdrop-filter: blur(10px);
  max-height: calc(100% - 76px);
  display: flex; flex-direction: column;
}
.demopanel[hidden] { display: none; }
.panelscroll { overflow-y: auto; padding: 15px 16px 6px; }
.panelfoot { border-top: 1px solid var(--line); padding: 12px 16px 13px; }
.panelactions { display: flex; flex-wrap: wrap; gap: 7px; }
.panelactions .btn { flex: 1 1 auto; justify-content: center; padding: 7px 10px; font-size: 12.5px; }
.readout { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }

@media (max-width: 720px) {
  .demopanel {
    top: auto; left: 10px; right: 10px; bottom: 10px; width: auto;
    max-height: min(64vh, calc(100% - 76px));
  }
  .stagetools { top: 10px; right: 10px; }
  .demobar { padding: 8px 10px; gap: 8px; }
  .demobar .hint { display: none; }
  .demobar .btn { padding: 7px 11px; font-size: 12.5px; }
}

@media (max-width: 620px) {
  #ad-header { gap: 14px; padding: 12px 16px; }
  .wrap { padding: 0 16px; }
  .hero { padding: 34px 0 20px; }
  .hero h1 { font-size: 28px; }
  .lede { font-size: 15px; }
  .pane { padding: 17px 17px; }
  .caption + .lede { margin-bottom: 28px; }
  .cta { gap: 8px; }
  .cta .btn { flex: 1 1 auto; justify-content: center; }
}

footer.site { border-top: 1px solid var(--line); padding: 26px 0 46px; color: var(--ink-3); font-size: 12.5px; }