/* StartLux-Decision release page (local build, 10 October 2026). Light editorial theme in the company colours. */
:root {
  --bg: #FBFAF7;
  --bg2: #F4F2EE;
  --card: #FFFFFF;
  --ink: #15171B;
  --ink2: #4C525B;
  --ink3: #8A9099;
  --line: #E6E3DD;
  --line2: #D9D6CF;
  --violet: #8A5CD6;
  --violet-d: #5B3BA6;
  --violet-l: #EFE8FB;
  --coral: #E5726B;
  --coral-d: #B8463F;
  --coral-l: #FCEDEB;
  --green: #5F9C84;
  --green-d: #2F6B55;
  --green-l: #E7F2EC;
  --grey: #CDD1D6;
  --grey-d: #6B727B;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
  --display: "Inter Tight", "Inter", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --wrap: 1180px;
  --radius: 14px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--ink); font-family: var(--sans);
  font-size: 17px; line-height: 1.6; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
a { color: inherit; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 32px; }
.mono { font-family: var(--mono); }
.eyebrow {
  font-family: var(--mono); font-size: 11.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--ink3);
  display: inline-flex; align-items: center; gap: 10px;
}
.eyebrow::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--violet); display: inline-block; }
.eyebrow.coral::before { background: var(--coral); }
.eyebrow.green::before { background: var(--green); }
h1, h2, h3 { font-family: var(--display); font-weight: 600; letter-spacing: -0.025em; margin: 0; }
h2 { font-size: clamp(30px, 3.6vw, 46px); line-height: 1.08; margin-top: 14px; }
h3 { font-size: 21px; letter-spacing: -0.015em; }
.lede { font-size: 19px; color: var(--ink2); max-width: 720px; margin-top: 18px; }
section { padding: 120px 0; position: relative; }
section + section { border-top: 1px solid var(--line); }

/* ---------- navigation ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50; height: 60px;
  background: rgba(251, 250, 247, .82); backdrop-filter: saturate(160%) blur(14px); -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid transparent; transition: border-color .3s;
}
.nav.scrolled { border-bottom-color: var(--line); }
.nav .wrap { height: 60px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 10px; font-family: var(--display); font-weight: 600; font-size: 17px; text-decoration: none; letter-spacing: -0.01em; }
.brand-mark { width: 22px; height: 22px; border-radius: 6px; background: conic-gradient(from 210deg, var(--violet), #B79BEA, var(--coral), var(--violet)); }
.nav-links { display: flex; gap: 26px; font-size: 13.5px; color: var(--ink2); }
.nav-links a { text-decoration: none; transition: color .2s; }
.nav-links a:hover, .nav-links a.on { color: var(--ink); }
.tour-btn {
  font-family: var(--mono); font-size: 11.5px; letter-spacing: .08em; text-transform: uppercase; border: 1px solid var(--line2);
  background: var(--card); color: var(--ink); border-radius: 999px; padding: 7px 14px; cursor: pointer; transition: all .2s;
}
.tour-btn:hover { border-color: var(--ink); }

/* ---------- hero ---------- */
.hero { min-height: 100vh; padding: 0; display: flex; align-items: stretch; overflow: hidden; }
.hero .wrap { display: grid; grid-template-columns: 0.92fr 1.08fr; gap: 24px; align-items: center; width: 100%; padding-top: 60px; }
.hero h1 { font-size: clamp(42px, 5.4vw, 72px); line-height: 1.0; letter-spacing: -0.035em; margin-top: 22px; }
.hero h1 em { font-style: normal; color: var(--violet); }
.hero .lede { font-size: 19.5px; }
.cta { display: flex; gap: 12px; margin-top: 34px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 9px; padding: 11px 18px; border-radius: 999px; font-size: 14.5px;
  text-decoration: none; border: 1px solid var(--line2); background: var(--card); transition: transform .2s, border-color .2s;
}
.btn:hover { transform: translateY(-1px); border-color: var(--ink); }
.btn.dark { background: var(--ink); color: #fff; border-color: var(--ink); }
.btn svg { width: 16px; height: 16px; }
.btn.soon { color: var(--ink3); cursor: default; }
.btn.soon:hover { transform: none; border-color: var(--line2); }
.hero-stage { position: relative; height: min(80vh, 760px); display: flex; flex-direction: column; }
.stage-canvas { position: relative; flex: 1 1 auto; min-height: 0; }
#hero-canvas { position: absolute; inset: 0; }
#hero-canvas canvas { display: block; width: 100% !important; height: 100% !important; }
.hero-labels { position: absolute; inset: 0; pointer-events: none; }
.hl {
  position: absolute; transform: translate(-50%, -100%); font-family: var(--mono); font-size: 11.5px; white-space: nowrap;
  color: var(--ink2); transition: opacity .35s; letter-spacing: .01em;
}
.hl b { font-weight: 600; }
.hl.green { color: var(--green-d); }
.hl.coral { color: var(--coral-d); }
.hl.violet { color: var(--violet-d); }
.hl.under { transform: translate(-50%, 0); text-align: center; line-height: 1.35; font-size: 11px; background: rgba(250,249,246,.9); border-radius: 5px; padding: 1px 5px; }
.hero-labels.compact .hl { font-size: 10px; }
.hero-labels.compact .hl.under .pv { font-size: 11px; }
.hero-labels.compact .hl.under { padding: 1px 3px; }
.hero-labels.compact .hl.tag { padding: 2px 7px; }
.hl.under .pv { font-size: 12.5px; }
.hl.tag {
  background: rgba(255,255,255,.88); border: 1px solid var(--line); border-radius: 999px; padding: 3px 9px; transform: translate(-50%, -50%);
}
.hero-caption {
  flex: none; margin: 8px 4% 0; display: flex; gap: 14px; align-items: baseline;
  font-size: 14px; line-height: 1.45; color: var(--ink2); height: 44px;
}
.hero-caption .step { font-family: var(--mono); font-size: 11.5px; color: var(--ink3); letter-spacing: .08em; text-transform: uppercase; white-space: nowrap; }
.hero-caption .txt { transition: opacity .35s; }
.hero-case {
  flex: none; margin: 0 4% 6px; font-family: var(--mono); font-size: 11.5px; color: var(--ink3); letter-spacing: .06em;
  text-transform: uppercase; display: flex; gap: 8px; align-items: center; height: 20px;
}
.hero-case .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--coral); }
.hero-case .case-body { text-transform: none; letter-spacing: 0; color: var(--ink2); font-family: var(--sans); font-size: 13.5px; }
.scroll-hint { position: absolute; bottom: 22px; left: 50%; transform: translateX(-50%); font-family: var(--mono); font-size: 11px; color: var(--ink3); letter-spacing: .12em; }

/* ---------- two variants ---------- */
.variants { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 48px; }
.vcard { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 30px 26px; position: relative; overflow: hidden; }
.vcard .tagline { font-family: var(--mono); font-size: 11.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink3); }
.vcard h3 { margin-top: 10px; font-size: 26px; }
.vcard p { color: var(--ink2); margin: 12px 0 0; }
.vcard .sizes { display: flex; gap: 6px; margin-top: 20px; flex-wrap: wrap; }
.vcard .sizes span { font-family: var(--mono); font-size: 12px; padding: 4px 10px; border-radius: 999px; background: var(--bg2); color: var(--ink2); }
.vcard.instant .sizes span { background: var(--violet-l); color: var(--violet-d); }
.vcard.think .sizes span { background: var(--coral-l); color: var(--coral-d); }
.vcard .mini { margin-top: 22px; height: 64px; position: relative; }
.kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 56px; border-top: 1px solid var(--line); }
.kpi { padding: 26px 22px 6px 0; }
.kpi + .kpi { padding-left: 22px; border-left: 1px solid var(--line); }
.kpi .num { font-family: var(--display); font-size: 48px; font-weight: 600; letter-spacing: -0.03em; line-height: 1; }
.kpi .num small { font-size: 22px; color: var(--ink3); font-weight: 500; margin-left: 2px; }
.kpi .lab { font-size: 14px; color: var(--ink2); margin-top: 10px; }

/* ---------- story (how it runs) ---------- */
.story { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 56px; margin-top: 40px; }
.story-steps .st { min-height: 78vh; display: flex; flex-direction: column; justify-content: center; opacity: .28; transition: opacity .4s; }
.story-steps .st.on { opacity: 1; }
.story-steps .st .k { font-family: var(--mono); font-size: 11.5px; color: var(--ink3); letter-spacing: .1em; }
.story-steps .st h3 { font-size: 27px; margin-top: 8px; }
.story-steps .st p { color: var(--ink2); margin: 12px 0 0; }
.story-stage { position: sticky; top: 90px; height: calc(100vh - 140px); min-height: 560px; }
.stage-card {
  position: absolute; inset: 0; background: var(--card); border: 1px solid var(--line); border-radius: 18px; overflow: hidden;
}
.scene { position: absolute; inset: 0; padding: 34px 36px; opacity: 0; transform: translateY(10px); transition: opacity .5s, transform .5s; pointer-events: none; }
.scene.on { opacity: 1; transform: none; pointer-events: auto; }
.scene .s-title { font-family: var(--mono); font-size: 11.5px; color: var(--ink3); letter-spacing: .1em; text-transform: uppercase; }
pre, code, .mono, .thought-box, .case-thought, .hl, pre.state { font-variant-ligatures: none; font-feature-settings: "liga" 0, "calt" 0; }
pre.json {
  font-family: var(--mono); font-size: 12.6px; line-height: 1.62; color: var(--ink2); margin: 18px 0 0; white-space: pre-wrap;
}
pre.json .k { color: var(--violet-d); }
pre.json .s { color: var(--ink); }
pre.json .hl { background: var(--coral-l); color: var(--coral-d); border-radius: 4px; padding: 0 3px; position: static; transform: none; font-size: inherit; white-space: inherit; }
.tokens { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 22px; }
.tok { font-family: var(--mono); font-size: 12px; padding: 4px 8px; border-radius: 6px; background: var(--bg2); color: var(--ink2); transition: all .4s; }
.tok.q { background: #E9EAEE; color: var(--ink); }
.tok.o { background: var(--violet-l); color: var(--violet-d); font-weight: 600; }
.tok.t { background: var(--coral-l); color: var(--coral-d); }
.mask-wrap { display: flex; gap: 40px; margin-top: 30px; align-items: flex-start; }
.mask { display: grid; gap: 2px; }
.mask .c { width: 17px; height: 17px; border-radius: 3px; background: #F0EEEA; transition: background .25s; }
.mask .c.on { background: var(--violet); }
.mask .c.th { background: var(--coral); }
.mask-cap { font-size: 14px; color: var(--ink2); max-width: 290px; }
.mask-cap p { margin: 0 0 14px; transition: opacity .4s; }
.mask-state { font-family: var(--mono); font-size: 11.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--violet-d); margin-bottom: 10px; }
.mask-cap b { color: var(--ink); }
.bars { margin-top: 26px; display: flex; flex-direction: column; gap: 16px; }
.bar-row .bl { display: flex; justify-content: space-between; font-size: 14.5px; margin-bottom: 6px; }
.bar-row .bl .p { font-family: var(--mono); color: var(--ink2); }
.bar-row .track { height: 12px; border-radius: 999px; background: #F0EEEA; overflow: hidden; position: relative; }
.bar-row .fill { position: absolute; left: 0; top: 0; bottom: 0; width: 0; border-radius: 999px; background: var(--grey); transition: width 1s cubic-bezier(.2,.8,.2,1); }
.bar-row.right .fill { background: var(--green); }
.bar-row.right .bl .name { color: var(--green-d); font-weight: 600; }
.bar-row .gate { position: absolute; top: -4px; bottom: -4px; left: 90%; width: 0; border-left: 2px dashed var(--ink); opacity: 0; transition: opacity .4s; }
.bars.gated .bar-row .gate { opacity: .7; }
.gate-verdict { margin-top: 30px; font-family: var(--display); font-size: 40px; font-weight: 600; letter-spacing: -0.02em; }
.gate-verdict .lt { color: var(--coral-d); }
.gate-verdict small { display: block; font-family: var(--sans); font-size: 15px; font-weight: 400; color: var(--ink2); letter-spacing: 0; margin-top: 8px; }
.thought-box {
  margin-top: 20px; border-left: 3px solid var(--coral); padding: 4px 0 4px 18px; font-family: var(--mono); font-size: 13.2px;
  line-height: 1.7; color: var(--ink); min-height: 300px; white-space: pre-wrap;
}
.thought-box .key { background: var(--coral-l); color: var(--coral-d); font-weight: 600; }
.thought-meta { display: flex; gap: 16px; font-family: var(--mono); font-size: 12px; color: var(--coral-d); margin-top: 16px; }
.caret { display: inline-block; width: 7px; height: 15px; background: var(--coral); vertical-align: -2px; animation: blink 1s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.mix { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; margin-top: 10px; }
.mix .col .s-title { margin-top: 16px; }
.formula { margin-top: 26px; font-family: var(--mono); font-size: 13px; color: var(--ink2); padding: 14px 16px; background: var(--bg2); border-radius: 10px; }
.formula b { color: var(--green-d); }
.strip { margin-top: 30px; }
.strip .lane { display: flex; height: 34px; border-radius: 8px; overflow: hidden; }
.strip .seg { height: 100%; width: 0; transition: width 1.1s cubic-bezier(.2,.8,.2,1); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 12.5px; white-space: nowrap; overflow: hidden; }
.strip .legend { display: flex; justify-content: space-between; margin-top: 12px; font-size: 13.5px; color: var(--ink2); }
.big-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 34px; }
.big-stats .bs { background: var(--bg2); border-radius: 12px; padding: 18px 20px; }
.big-stats .bs .n { font-family: var(--display); font-weight: 600; font-size: 34px; letter-spacing: -0.02em; }
.big-stats .bs .l { font-size: 13.5px; color: var(--ink2); margin-top: 4px; }

/* ---------- cases ---------- */
.tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 40px; }
.tab {
  font-size: 14px; padding: 9px 16px; border-radius: 999px; border: 1px solid var(--line2); background: var(--card); cursor: pointer;
  color: var(--ink2); transition: all .2s; display: inline-flex; gap: 8px; align-items: center;
}
.tab:hover { color: var(--ink); border-color: var(--ink3); }
.tab.on { background: var(--ink); color: #fff; border-color: var(--ink); }
.tab .from { font-family: var(--mono); font-size: 10.5px; opacity: .6; }
.case-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 0; margin-top: 22px; background: var(--card); border: 1px solid var(--line); border-radius: 18px; overflow: hidden; min-height: 560px; }
.case-left { padding: 30px 32px; border-right: 1px solid var(--line); }
.case-right { padding: 30px 32px; background: linear-gradient(180deg, #FFFFFF, #FCFBF9); position: relative; }
.case-left .inspired { font-size: 13px; color: var(--ink3); margin-top: 6px; }
.case-left h3 { font-size: 23px; margin-top: 8px; }
.case-left .desc { color: var(--ink2); font-size: 15px; margin-top: 8px; }
.case-left pre.state {
  font-family: var(--mono); font-size: 12.4px; line-height: 1.65; background: var(--bg2); border-radius: 10px; padding: 14px 16px;
  white-space: pre-wrap; margin: 18px 0 0; color: var(--ink);
}
.case-left .qline { margin-top: 16px; font-size: 15px; }
.case-left .qline b { font-weight: 600; }
.case-left .opts { display: flex; flex-direction: column; gap: 5px; margin-top: 10px; font-size: 13.5px; color: var(--ink2); }
.case-left .opts .letter { font-family: var(--mono); font-size: 11px; background: var(--violet-l); color: var(--violet-d); border-radius: 4px; padding: 1px 6px; margin-right: 8px; }
.model-head { display: flex; justify-content: space-between; align-items: baseline; }
.model-head .who { font-family: var(--mono); font-size: 11.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink3); }
.model-head .ms { font-family: var(--mono); font-size: 12px; color: var(--ink3); }
.verdict { margin-top: 18px; padding: 14px 16px; border-radius: 12px; background: var(--green-l); color: var(--green-d); font-size: 15px; opacity: 0; transition: opacity .5s; }
.verdict.on { opacity: 1; }
.verdict.wrong { background: var(--coral-l); color: var(--coral-d); }
.verdict.unsure { background: #F2F0EB; color: var(--ink2); }
.path { margin-top: 22px; display: flex; flex-wrap: wrap; row-gap: 8px; gap: 10px; align-items: center; font-family: var(--mono); font-size: 12px; color: var(--ink3); }
.path .node { white-space: nowrap; }
.path .node { padding: 5px 10px; border-radius: 999px; border: 1px solid var(--line2); transition: all .35s; }
.path .node.on { border-color: var(--ink); color: var(--ink); }
.path .node.coral.on { border-color: var(--coral); background: var(--coral-l); color: var(--coral-d); }
.path .node.violet.on { border-color: var(--violet); background: var(--violet-l); color: var(--violet-d); }
.path .arrow { color: var(--line2); }
.case-thought { margin-top: 14px; border-left: 3px solid var(--coral); padding: 2px 0 2px 14px; font-family: var(--mono); font-size: 12.2px; line-height: 1.65; white-space: pre-wrap; color: var(--ink); max-height: 210px; overflow: hidden; }
.small-note { font-size: 12.5px; color: var(--ink3); margin-top: 14px; }

/* driving scene */
.road-wrap { margin-top: 16px; border-radius: 12px; overflow: hidden; background: #F1EFEA; }
.road-wrap svg { display: block; width: 100%; height: auto; }
.scen-chips { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 14px; }
.chip { font-size: 13px; padding: 6px 12px; border-radius: 999px; border: 1px solid var(--line2); cursor: pointer; background: var(--card); color: var(--ink2); }
.chip.on { background: var(--ink); border-color: var(--ink); color: #fff; }

/* flux */
.flux { height: 640px; display: grid; grid-template-columns: 1fr 1.15fr; margin-top: 22px; background: #121317; border-radius: 18px; overflow: hidden; color: #EDEBE6; min-height: 520px; }
.flux-left { padding: 30px 32px; }
.flux-left .inspired { color: #8F949C; font-size: 13px; }
.flux-left h3 { color: #fff; font-size: 23px; margin-top: 8px; }
.flux-left .desc { color: #B6BAC1; font-size: 15px; margin-top: 8px; }
.flux-phrases { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; margin-top: 18px; }
.phrase { text-align: left; background: transparent; border: 1px solid #2B2D33; color: #D8D6D1; border-radius: 10px; padding: 7px 10px; font-size: 12.5px; line-height: 1.35; cursor: pointer; font-family: var(--sans); transition: all .2s; }
.phrase:hover { border-color: #4A4D55; }
.phrase.on { border-color: #8A5CD6; background: rgba(138, 92, 214, .14); color: #fff; }
.flux-right { position: relative; }
#flux-canvas { position: absolute; inset: 0; }
.flux-bars { position: absolute; left: 22px; right: 22px; bottom: 20px; display: grid; grid-template-columns: repeat(6, 1fr); gap: 10px; }
.fb { font-family: var(--mono); font-size: 11px; color: #9EA3AB; }
.fb .t { height: 4px; background: #2B2D33; border-radius: 9px; margin-top: 6px; overflow: hidden; }
.fb .f { height: 100%; width: 0; background: #8A9099; transition: width .8s cubic-bezier(.2,.8,.2,1); }
.fb.top { color: #fff; }
.fb.top .f { background: #B79BEA; }
.flux-word { position: absolute; left: 24px; top: 20px; font-family: var(--display); font-size: 34px; font-weight: 600; color: #fff; letter-spacing: -0.02em; }
.flux-word small { display: block; font-family: var(--mono); font-size: 11.5px; font-weight: 400; color: #9EA3AB; letter-spacing: .08em; text-transform: uppercase; margin-top: 4px; }

/* ---------- demos ---------- */
.demo-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 44px; }
.demo { background: var(--card); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
.demo video { display: block; width: 100%; aspect-ratio: 16 / 10; object-fit: cover; background: #111; }
.demo .cap { padding: 14px 16px 16px; font-size: 14px; color: var(--ink2); }
.demo .cap b { color: var(--ink); font-weight: 600; display: block; margin-bottom: 2px; }

/* ---------- results ---------- */
.chart-card { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 28px 30px; margin-top: 40px; }
.chart-card .ch-head { display: flex; justify-content: space-between; align-items: baseline; gap: 20px; flex-wrap: wrap; }
.chart-card .ch-head h3 { font-size: 22px; }
.chart-card .ch-head .src { font-size: 13px; color: var(--ink3); }
.chart-card svg { display: block; width: 100%; height: auto; margin-top: 16px; overflow: visible; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.two-col .chart-card { margin-top: 20px; }
.calib { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 20px; }
.calib .cc { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 28px 30px; }
.calib .cc .n { font-family: var(--display); font-size: 56px; font-weight: 600; letter-spacing: -0.03em; line-height: 1; }
.calib .cc .n.v { color: var(--violet); }
.calib .cc h3 { margin-top: 14px; font-size: 19px; }
.calib .cc p { color: var(--ink2); font-size: 15px; margin: 8px 0 0; }

/* ---------- training ---------- */
.stages { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin-top: 46px; position: relative; }
.stage { padding: 0 26px 0 0; position: relative; }
.stage + .stage { padding-left: 26px; border-left: 1px solid var(--line); }
.stage .no { font-family: var(--mono); font-size: 11.5px; color: var(--ink3); letter-spacing: .1em; }
.stage h3 { margin-top: 10px; }
.stage .big { font-family: var(--display); font-size: 40px; font-weight: 600; letter-spacing: -0.03em; margin-top: 16px; }
.stage .big small { font-size: 16px; color: var(--ink3); font-weight: 500; margin-left: 4px; letter-spacing: 0; }
.stage p { color: var(--ink2); font-size: 15px; }
.stage .bar { height: 4px; border-radius: 9px; margin-top: 18px; background: var(--line); overflow: hidden; }
.stage .bar i { display: block; height: 100%; width: 0; transition: width 1.4s cubic-bezier(.2,.8,.2,1); }

/* ---------- footer ---------- */
footer { padding: 90px 0 120px; border-top: 1px solid var(--line); }
.links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 36px; }
.lk { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 22px 24px; text-decoration: none; transition: border-color .2s, transform .2s; }
.lk:hover { border-color: var(--ink); transform: translateY(-2px); }
.lk .t { font-family: var(--mono); font-size: 11.5px; color: var(--ink3); letter-spacing: .1em; text-transform: uppercase; }
.lk .u { font-size: 17px; margin-top: 8px; font-weight: 500; }
.lk.soon { cursor: default; }
.lk.soon:hover { border-color: var(--line); transform: none; }
pre.bib { font-family: var(--mono); font-size: 12.5px; background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 20px 22px; color: var(--ink2); margin-top: 26px; overflow-x: auto; }
.foot-note { font-size: 13px; color: var(--ink3); margin-top: 28px; }

/* reveal on scroll */
.rv { opacity: 0; transform: translateY(18px); transition: opacity .8s ease, transform .8s ease; }
.rv.in { opacity: 1; transform: none; }

/* tour indicator */
.tour-on .tour-btn { background: var(--ink); color: #fff; border-color: var(--ink); }

@media (max-width: 900px) {
  .hero .wrap, .story, .case-panel, .flux, .variants, .two-col, .calib, .stages, .links { grid-template-columns: 1fr; }
  .hero-stage { height: auto; margin-top: 8px; }
  .stage-canvas { flex: none; aspect-ratio: 1 / 0.95; }
  .hero-caption { flex-direction: column; gap: 4px; height: 96px; font-size: 13.5px; margin: 6px 0 0; }
  .hero-case { margin: 0 0 4px; }
  .scroll-hint { display: none; }
  .kpis { grid-template-columns: 1fr 1fr; }
  .demo-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .story-stage { position: relative; top: 0; }
}

/* ---------- demo: confidence gate ---------- */
.gate-panel { margin-top: 40px; background: var(--card); border: 1px solid var(--line); border-radius: 18px; overflow: hidden; }
.gate-controls { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 18px 24px; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.seg { display: inline-flex; background: var(--bg2); border-radius: 999px; padding: 3px; }
.seg button { border: 0; background: transparent; padding: 7px 14px; border-radius: 999px; font-size: 13.5px; color: var(--ink2); cursor: pointer; font-family: var(--sans); }
.seg button.on { background: var(--card); color: var(--ink); box-shadow: 0 1px 2px rgba(0,0,0,.08); }
.gate-slider { display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--ink2); }
.gate-slider input { width: 260px; accent-color: #5F9C84; }
.gate-slider #gate-tv { font-size: 15px; color: var(--ink); font-weight: 600; min-width: 36px; }
.gate-body { display: grid; grid-template-columns: 1.55fr 1fr; min-height: 470px; }
.gate-stage { position: relative; border-right: 1px solid var(--line); }
#gate-canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.gate-tick { position: absolute; left: 20px; right: 20px; bottom: 14px; font-size: 13px; color: var(--ink2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.gate-side { padding: 24px 26px; }
.gate-side .gs { display: flex; align-items: baseline; gap: 14px; padding: 8px 0; border-bottom: 1px solid var(--line); }
.gate-side .gs .n { font-family: var(--display); font-size: 34px; font-weight: 600; letter-spacing: -0.02em; min-width: 120px; }
.gate-side .gs .l { font-size: 14px; color: var(--ink2); }
#gs-auto { color: var(--green-d); } #gs-err { color: var(--coral-d); } #gs-human { color: var(--grey-d); }
.gc-title { font-size: 11px; color: var(--ink3); letter-spacing: .06em; text-transform: uppercase; margin-top: 18px; }
#gate-curve { width: 100%; height: auto; margin-top: 6px; overflow: visible; }

/* ---------- demo: math with a thought ---------- */
.math-panel { margin-top: 40px; display: grid; grid-template-columns: 1fr 1.15fr; background: var(--card); border: 1px solid var(--line); border-radius: 18px; overflow: hidden; }
.math-left { padding: 30px 32px; border-right: 1px solid var(--line); }
.math-left .problem { font-size: 18px; line-height: 1.6; margin-top: 10px; }
.math-left .opts { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; margin-top: 20px; }
.math-left .opt { border: 1px solid var(--line2); border-radius: 10px; padding: 10px 12px; font-family: var(--mono); font-size: 15px; display: flex; justify-content: space-between; transition: all .4s; }
.math-left .opt.gold { border-color: var(--green); }
.math-left .opt .lab { color: var(--ink3); font-size: 12px; }
.math-left .opt.pick-wrong { background: var(--coral-l); border-color: var(--coral); }
.math-left .opt.pick-right { background: var(--green-l); border-color: var(--green); }
.math-right { padding: 30px 32px; }
.math-step { margin-top: 16px; opacity: .25; transition: opacity .5s; }
.math-step.on { opacity: 1; }
.math-step .h { font-family: var(--mono); font-size: 11.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink3); }
.math-step .v { font-size: 16px; margin-top: 4px; }
.math-step .v b.w { color: var(--coral-d); } .math-step .v b.r { color: var(--green-d); }
.math-thought { margin-top: 8px; border-left: 3px solid var(--coral); padding: 2px 0 2px 14px; font-family: var(--mono); font-size: 12.6px; line-height: 1.65; white-space: pre-wrap; max-height: 300px; overflow: hidden; position: relative; color: var(--ink); font-variant-ligatures: none; }
.math-foot { font-size: 13px; color: var(--ink3); margin-top: 18px; }

/* ---------- demo: contrast pair ---------- */
.pair-panel { margin-top: 40px; background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 26px 28px 28px; }
.pair-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 20px; }
.pair-goal { font-size: 14.5px; color: var(--ink2); line-height: 1.7; }
.pair-goal b { color: var(--ink); }
.replay { border: 1px solid var(--line2); background: var(--card); border-radius: 999px; padding: 8px 16px; font-size: 13.5px; cursor: pointer; white-space: nowrap; font-family: var(--sans); }
.replay:hover { border-color: var(--ink); }
.pair-traces { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 20px; }
.trace { border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; background: #FDFCFA; }
.trace .th { display: flex; justify-content: space-between; align-items: baseline; }
.trace .th b { font-family: var(--display); font-size: 18px; }
.trace .th span { font-family: var(--mono); font-size: 12px; color: var(--ink3); }
.trace .step { font-family: var(--mono); font-size: 12.3px; padding: 5px 8px; border-radius: 6px; margin-top: 4px; color: var(--ink2); transition: background .3s, color .3s; font-variant-ligatures: none; }
.trace .step.swap { background: var(--coral-l); color: var(--coral-d); }
.trace .step.now { outline: 2px solid var(--violet); outline-offset: -2px; color: var(--ink); }
.trace .files { margin-top: 12px; font-family: var(--mono); font-size: 11.6px; color: var(--ink3); min-height: 54px; line-height: 1.6; }
.trace .files b { color: var(--ink); font-weight: 600; }
.trace .goals { display: flex; gap: 8px; margin-top: 10px; }
.trace .goal { font-family: var(--mono); font-size: 12px; padding: 3px 9px; border-radius: 999px; background: var(--bg2); color: var(--ink3); transition: all .35s; }
.trace .goal.ok { background: var(--green-l); color: var(--green-d); }
.trace .goal.bad { background: var(--coral-l); color: var(--coral-d); }
.trace .verdict-line { margin-top: 10px; font-size: 14px; color: var(--ink2); min-height: 22px; }
.pair-answers { margin-top: 22px; }
.pa-row { display: grid; grid-template-columns: 1.4fr 1fr 1fr 0.8fr; gap: 10px; align-items: center; padding: 9px 4px; border-top: 1px solid var(--line); font-size: 14px; opacity: 0; transform: translateY(6px); transition: opacity .4s, transform .4s; }
.pa-row.show { opacity: 1; transform: none; }
.pa-row.head { opacity: 1; transform: none; font-family: var(--mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink3); border-top: 0; }
.pa-row.ours { background: var(--violet-l); border-radius: 8px; }
.pa-row .nm { font-weight: 500; }
.pa-row .a { font-family: var(--mono); font-size: 13px; }
.pa-row .a .dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 7px; vertical-align: 1px; }
.pa-row .a.ok .dot { background: var(--green); } .pa-row .a.bad .dot { background: var(--coral); }
.pa-row .a.bad { color: var(--coral-d); }
.pa-row .res { font-family: var(--mono); font-size: 12.5px; }
.pa-row .res.ok { color: var(--green-d); font-weight: 600; } .pa-row .res.bad { color: var(--coral-d); }
@media (max-width: 900px) { .gate-body, .math-panel, .pair-traces { grid-template-columns: 1fr; } .gate-stage { min-height: 360px; } }

.math-thought .key { background: var(--coral-l); color: var(--coral-d); font-weight: 600; }
.math-thought b { font-weight: 600; }

/* ---------- ranking per size (results, first section) ---------- */
#results .kpis { margin-top: 40px; }
.rank-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; margin-top: 30px; }
.rk-col { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 16px 16px 14px; }
.rk-col .rk-h { display: flex; justify-content: space-between; align-items: baseline; }
.rk-col .rk-h b { font-family: var(--display); font-size: 20px; letter-spacing: -0.02em; }
.rk-col .rk-h span { font-family: var(--mono); font-size: 11px; color: var(--ink3); letter-spacing: .06em; text-transform: uppercase; }
.rk-row { margin-top: 11px; }
.rk-row .rk-l { display: flex; justify-content: space-between; gap: 8px; font-size: 13px; color: var(--ink2); }
.rk-row .rk-l .nm { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.rk-row .rk-l .nm i { font-style: normal; font-family: var(--mono); font-size: 11px; color: var(--ink3); margin-right: 6px; }
.rk-row .rk-l .sc { font-family: var(--mono); color: var(--ink); }
.rk-row .rk-t { height: 6px; border-radius: 9px; background: #F0EEEA; margin-top: 4px; overflow: hidden; }
.rk-row .rk-t i { display: block; height: 100%; width: 0; border-radius: 9px; background: #B5BAC2; transition: width 1.2s cubic-bezier(.2,.8,.2,1); }
.rk-row.ours .rk-l .nm { color: var(--ink); font-weight: 600; }
.rk-row.ours .rk-l .sc { color: var(--violet-d); font-weight: 600; }
.rk-row.ours .rk-t i { background: var(--violet); }
.rk-gap { margin-top: 12px; padding-top: 10px; border-top: 1px solid var(--line); font-size: 12.5px; color: var(--ink2); }
.rk-gap b { color: var(--violet-d); font-family: var(--mono); }
@media (max-width: 900px) { .rank-grid { grid-template-columns: 1fr 1fr; } }

/* ---------- two leaderboards side by side (after Microsoft's comparison table) ---------- */
.board { margin-top: 20px; background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 26px 28px 22px; }
.board-head { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.board-head h3 { font-size: 22px; }
.board-cols { display: grid; grid-template-columns: 1fr 250px 1fr; gap: 14px; margin-top: 20px; padding-bottom: 8px; border-bottom: 1px solid var(--line);
  font-family: var(--mono); font-size: 11px; letter-spacing: .06em; text-transform: uppercase; color: var(--ink3); }
.board-cols span:first-child { text-align: right; } .board-cols span:nth-child(2) { text-align: center; }
.bd-row { display: grid; grid-template-columns: 1fr 250px 1fr; gap: 14px; align-items: center; padding: 6px 0; border-bottom: 1px solid #F1EFEA; }
.bd-l, .bd-r { display: flex; align-items: center; gap: 8px; height: 18px; }
.bd-l { justify-content: flex-end; }
.bd-l i, .bd-r i { display: block; flex: none; height: 14px; border-radius: 3px; background: #C9CDD3; transition: width 1s cubic-bezier(.2,.8,.2,1); }
#board-rows:not(.on) .bd-l i, #board-rows:not(.on) .bd-r i, .board:not(.in) .bd-l i, .board:not(.in) .bd-r i { width: 0 !important; }
.bd-l .v, .bd-r .v { flex: none; font-family: var(--mono); font-size: 12.5px; color: var(--ink2); min-width: 34px; }
.bd-l .v { text-align: right; }
.bd-row .nil { font-family: var(--mono); font-size: 12px; color: var(--ink3); }
.bd-n { text-align: center; line-height: 1.25; }
.bd-n b { font-weight: 500; font-size: 14px; display: block; }
.bd-n span { font-size: 11.5px; color: var(--ink3); }
.bd-row.in { background: var(--violet-l); border-radius: 8px; }
.bd-row.at { background: var(--coral-l); border-radius: 8px; }
.bd-row.in i { background: var(--violet); } .bd-row.at i { background: var(--coral); }
.bd-row.in b, .bd-row.at b { font-weight: 600; }
.bd-row.in .v, .bd-row.at .v { color: var(--ink); font-weight: 600; }
.board-note { font-size: 12.5px; color: var(--ink3); margin: 12px 0 0; }
.calib-stack { display: flex; flex-direction: column; gap: 20px; margin-top: 20px; }
.calib-stack .cc { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 26px 28px; }
.calib-stack .cc .n { font-family: var(--display); font-size: 48px; font-weight: 600; letter-spacing: -0.03em; line-height: 1; }
.calib-stack .cc .n.v { color: var(--violet); }
.calib-stack .cc h3 { margin-top: 12px; font-size: 18px; }
.calib-stack .cc p { color: var(--ink2); font-size: 14.5px; margin: 8px 0 0; }
@media (max-width: 900px) { .board-cols, .bd-row { grid-template-columns: 1fr 190px 1fr; } }
@media (max-width: 640px) {
  .board { padding: 20px 14px 16px; }
  .board-cols { grid-template-columns: 1fr 1fr; gap: 10px; }
  .board-cols span:nth-child(2) { display: none; }
  .board-cols span:first-child { text-align: right; }
  .bd-row { grid-template-columns: 1fr 1fr; grid-template-areas: "n n" "l r"; gap: 4px 10px; padding: 8px 4px; }
  .bd-n { grid-area: n; } .bd-l { grid-area: l; } .bd-r { grid-area: r; }
  .bd-n b { display: inline; font-size: 13.5px; } .bd-n span { margin-left: 6px; }
}
@media (max-height: 760px) { .scroll-hint { display: none; } }
/* narrow screens: nothing wider than the page */
@media (max-width: 640px) {
  .scene { padding: 22px 18px; }
  pre.json { white-space: pre-wrap; overflow-wrap: anywhere; font-size: 11.5px; }
  .mask-wrap { flex-direction: column; gap: 18px; }
  .mask-cap { max-width: none; }
  .gate-slider { flex: 1 1 100%; min-width: 0; }
  .gate-slider input { width: auto; flex: 1 1 auto; min-width: 0; }
  .pair-top { flex-wrap: wrap; }
}