/* ==========================================================================
   OPTI SHOP — landing page
   Design system: docs/page-ref-design.md ("Factory" style reference)
   Canvas #101010 · Bone figure #eeeeee · Signal orange / Metric green = data only
   ========================================================================== */

/* Theme tokens. The legacy --color-* names are semantic and follow the active theme:
   bone = primary text, chalk = high-emphasis text, obsidian = page, carbon = hairline/raised surface. */
:root {
  color-scheme: dark;

  --color-obsidian-canvas: #101010;
  --color-carbon-lift: #1d1a18;
  --color-ash-stroke: #3d3a39;
  --color-graphite-mid: #4d4947;
  --color-warm-granite: #8a8380;
  --color-pale-stone: #b8b3b0;
  --color-bone: #eeeeee;
  --color-chalk: #fafafa;
  --color-signal-orange: #ee6018;   /* live / warning data */
  --color-metric-green: #a0ca92;    /* positive data */
  --color-ink: #101010;
  --color-dark-button: #1f1d1c;
  --color-frame: #0d0d0d;
  --frame-bar: #121111;
  --bg-2: #141312;
  --bg-3: #0e0e0e;

  /* "Paper": the light figure card in dark mode, a white card in light mode */
  --paper: #eeeeee;
  --paper-2: #fafafa;
  --paper-ink: #101010;
  --paper-ink-hover: #2b2827;
  --paper-line: #cfcac7;
  --paper-line-2: #d6d2cf;
  --paper-line-3: #dedad7;
  --paper-mute: #6b6562;
  --paper-mute-2: #4d4947;
  --paper-mute-3: #8a8380;
  --paper-press: #e6e3e0;

  /* Accent: chosen by the shop (see theme.js). Solid fills, never gradients. */
  --accent: #ee6018;
  --accent-ink: #140b06;
  --accent-text: #ee6018;

  /* Fonts */
  --font-geist: 'Geist', Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-geist-mono: 'Geist Mono', 'JetBrains Mono', 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  /* Type scale */
  --text-caption: 12px;   --tracking-caption: -0.24px;
  --text-body-sm: 14px;   --leading-body-sm: 1.43;
  --text-body: 16px;      --leading-body: 1.5;
  --text-heading: 36px;   --leading-heading: 1.1;   --tracking-heading: -1.12px;
  --text-heading-lg: 44px; --leading-heading-lg: 1.12; --tracking-heading-lg: -1.1px;
  --text-display: 72px;   --leading-display: 1;     --tracking-display: -2.88px;

  /* Spacing */
  --spacing-8: 8px;  --spacing-16: 16px; --spacing-24: 24px; --spacing-32: 32px;
  --spacing-40: 40px; --spacing-56: 56px; --spacing-80: 80px; --spacing-96: 96px;
  --spacing-120: 120px;

  /* Layout */
  --page-max-width: 1200px;
  --gutter: 24px;
  --section-gap: 96px;

  /* Radii */
  --radius-sm: 3px;
  --radius-lg: 10px;
  --radius-2xl: 20px;

  /* Motion */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --dur: 0.18s;
}

:root[data-theme="light"] {
  color-scheme: light;
  --color-obsidian-canvas: #f4f1ec;
  --color-carbon-lift: #e0dad2;
  --color-ash-stroke: #c2bbb1;
  --color-graphite-mid: #a69f95;
  --color-warm-granite: #6b645d;
  --color-pale-stone: #4a4540;
  --color-bone: #1a1714;
  --color-chalk: #000000;
  --color-signal-orange: #d4500a;
  --color-metric-green: #2d8a4e;
  --color-ink: #1a1714;
  --color-dark-button: #e4dfd8;
  --color-frame: #fbfaf8;
  --frame-bar: #f0ece6;
  --bg-2: #ece8e2;
  --bg-3: #efebe5;
  --paper: #ffffff;
  --paper-2: #f6f3ee;
  --paper-ink: #1a1714;
  --paper-ink-hover: #3a3531;
  --paper-line: #dcd6ce;
  --paper-line-2: #e4dfd8;
  --paper-line-3: #e8e3dc;
  --paper-mute: #6b645d;
  --paper-mute-2: #4a4540;
  --paper-mute-3: #8d867e;
  --paper-press: #ebe7e1;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  margin: 0;
  background: var(--color-obsidian-canvas);
  color: var(--color-bone);
  font-family: var(--font-geist);
  font-size: var(--text-body);
  line-height: var(--leading-body);
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img, svg, canvas { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
h1, h2, h3, h4, p, ul, ol, dl, dd, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
::selection { background: var(--accent); color: var(--accent-ink); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: 16px; top: -60px; z-index: 100;
  background: var(--accent); color: var(--accent-ink);
  padding: 10px 14px; border-radius: var(--radius-sm); font-size: 14px;
}
.skip-link:focus { top: 12px; }

/* ---------- Layout primitives ---------- */
.container {
  width: 100%;
  max-width: calc(var(--page-max-width) + var(--gutter) * 2);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.section { padding: var(--section-gap) 0; position: relative; }
.section + .section { padding-top: 0; }
.section--ruled { border-top: 1px solid var(--color-carbon-lift); padding-top: var(--section-gap) !important; }

/* ---------- Type ---------- */
.mono {
  font-family: var(--font-geist-mono);
  font-size: var(--text-caption);
  letter-spacing: var(--tracking-caption);
  text-transform: uppercase;
  line-height: 1.2;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-geist-mono);
  font-size: var(--text-caption);
  letter-spacing: var(--tracking-caption);
  text-transform: uppercase;
  color: var(--color-pale-stone);
  line-height: 1;
}
.display {
  font-size: var(--text-display);
  line-height: var(--leading-display);
  letter-spacing: -0.04em;
  font-weight: 400;
}
.h-lg {
  font-size: var(--text-heading-lg);
  line-height: var(--leading-heading-lg);
  letter-spacing: -0.025em;
  font-weight: 400;
}
.h {
  font-size: var(--text-heading);
  line-height: var(--leading-heading);
  letter-spacing: -0.031em;
  font-weight: 400;
}
.lede { color: var(--color-warm-granite); font-size: var(--text-body); max-width: 46ch; }
.muted { color: var(--color-warm-granite); }
.dim { color: var(--color-pale-stone); }
.num { font-variant-numeric: tabular-nums; }
.t-orange { color: var(--color-signal-orange); }
.t-green { color: var(--color-metric-green); }

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--spacing-24);
  align-items: end;
  margin-bottom: var(--spacing-56);
}
.section-head .eyebrow { margin-bottom: var(--spacing-24); }
.section-head p { color: var(--color-warm-granite); max-width: 48ch; justify-self: end; }

/* ---------- Status pulse ---------- */
.pulse {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  flex: none; position: relative;
}
.pulse--green { background: var(--color-metric-green); }
.pulse--live::after {
  content: ""; position: absolute; inset: -3px; border-radius: 50%;
  border: 1px solid currentColor; color: var(--accent);
  animation: ping 2.4s var(--ease) infinite;
}
.pulse--green.pulse--live::after { color: var(--color-metric-green); }
@keyframes ping {
  0% { transform: scale(0.6); opacity: 0.9; }
  80%, 100% { transform: scale(2.2); opacity: 0; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  height: 40px; padding: 0 14px;
  border-radius: var(--radius-sm);
  font-size: var(--text-body-sm);
  line-height: 1;
  white-space: nowrap;
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.btn--dark { background: var(--color-dark-button); color: var(--color-bone); }
.btn--dark:hover { background: var(--color-ash-stroke); }
.btn--accent { background: var(--accent); color: var(--accent-ink); font-weight: 500; }
.btn--accent:hover { background: color-mix(in srgb, var(--accent) 86%, var(--color-chalk)); }
.btn--ink { background: var(--accent-ink); color: var(--accent); font-weight: 500; }
.btn--ink:hover { background: color-mix(in srgb, var(--accent-ink) 82%, var(--accent)); }
.btn--outline { border: 1px solid var(--color-ash-stroke); color: var(--color-bone); }
.btn--outline:hover { border-color: var(--accent); color: var(--accent-text); }
.btn--sm { height: 32px; font-size: 13px; padding: 0 12px; }

.ghost-link {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 0 0 6px;
  border-bottom: 1px solid var(--color-ash-stroke);
  color: var(--color-bone);
  font-size: var(--text-body-sm);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.ghost-link:hover { color: var(--accent-text); border-color: var(--accent); }
.ghost-link .arrow { transition: transform var(--dur) var(--ease); }
.ghost-link:hover .arrow { transform: translateX(3px); }

/* ---------- Grain (generated SVG noise) ---------- */
.grain { position: relative; isolation: isolate; }
.grain::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  border-radius: inherit; pointer-events: none;
  background-image: url("../img/grain.svg");
  background-size: 240px 240px;
  opacity: 0.55;
  mix-blend-mode: multiply;
}

/* ==========================================================================
   NAV
   ========================================================================== */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--color-obsidian-canvas) 86%, transparent);
  backdrop-filter: saturate(1.2) blur(10px);
  -webkit-backdrop-filter: saturate(1.2) blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease);
}
.nav.is-scrolled { border-bottom-color: var(--color-carbon-lift); }
.nav__inner { display: flex; align-items: center; height: 64px; gap: var(--spacing-32); }
.wordmark {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-geist-mono); font-size: 12px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--color-bone);
}
.wordmark__mark { width: 18px; height: 18px; }
.nav__links { display: flex; gap: var(--spacing-24); margin-left: var(--spacing-16); }
.nav__links a {
  font-size: 13px; text-transform: uppercase; letter-spacing: 0.02em;
  color: var(--color-pale-stone);
  transition: color var(--dur) var(--ease);
}
.nav__links a:hover, .nav__links a.is-active { color: var(--accent-text); }
.nav__actions { margin-left: auto; display: flex; align-items: center; gap: var(--spacing-16); }
.nav__status { display: inline-flex; align-items: center; gap: 8px; color: var(--color-warm-granite); }
.nav__toggle { display: none; width: 40px; height: 40px; border: 1px solid var(--color-ash-stroke); border-radius: var(--radius-sm); align-items: center; justify-content: center; }
.nav__toggle span, .nav__toggle span::before, .nav__toggle span::after {
  display: block; width: 14px; height: 1px; background: var(--color-bone); position: relative;
  transition: transform var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.nav__toggle span::before, .nav__toggle span::after { content: ""; position: absolute; left: 0; }
.nav__toggle span::before { top: -5px; }
.nav__toggle span::after { top: 5px; }
.nav.is-open .nav__toggle span { background: transparent; }
.nav.is-open .nav__toggle span::before { transform: translateY(5px) rotate(45deg); }
.nav.is-open .nav__toggle span::after { transform: translateY(-5px) rotate(-45deg); }
.nav__drawer { display: none; }

/* ==========================================================================
   HERO
   ========================================================================== */
.hero { padding: var(--spacing-80) 0 var(--section-gap); }
.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 8fr);
  gap: var(--spacing-40);
  align-items: center;
}
.hero__copy .eyebrow { margin-bottom: var(--spacing-32); }
.hero__title { margin-bottom: var(--spacing-24); }
.hero__title em { font-style: normal; color: var(--accent-text); }
.hero__lede { margin-bottom: var(--spacing-40); }
.hero__actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--spacing-24); }
.hero__facts {
  margin-top: var(--spacing-56);
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--color-carbon-lift);
}
.hero__facts div { padding: var(--spacing-16) var(--spacing-16) 0 0; }
.hero__facts dt { color: var(--color-warm-granite); margin-bottom: 8px; }
.hero__facts dd { font-size: 20px; letter-spacing: -0.03em; }

/* ---------- Dashboard frame ---------- */
.frame {
  background: var(--color-frame);
  border: 1px solid var(--color-carbon-lift);
  border-radius: var(--radius-lg);
  overflow: hidden;
  animation: sfDashboardFrameIn 0.9s var(--ease-out) both 0.95s;
}
@keyframes sfDashboardFrameIn {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: none; }
}
.frame__bar {
  display: flex; align-items: center; gap: 14px;
  height: 40px; padding: 0 14px;
  border-bottom: 1px solid var(--color-carbon-lift);
  background: var(--frame-bar);
}
.traffic { display: flex; gap: 6px; }
.traffic i { width: 10px; height: 10px; border-radius: 50%; background: var(--color-ash-stroke); }
.frame__title { color: var(--color-pale-stone); display: flex; align-items: center; gap: 8px; }
.frame__bar-right { margin-left: auto; display: flex; align-items: center; gap: 14px; color: var(--color-warm-granite); }
.frame__body { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }

.tile {
  padding: 20px;
  border-right: 1px solid var(--color-carbon-lift);
  border-bottom: 1px solid var(--color-carbon-lift);
  min-width: 0;
}
.tile:nth-child(3n) { border-right: 0; }
.tile__label { color: var(--color-pale-stone); display: flex; justify-content: space-between; gap: 8px; margin-bottom: 14px; }
.tile__value {
  font-size: var(--text-heading); letter-spacing: var(--tracking-heading);
  line-height: 1; font-variant-numeric: tabular-nums; white-space: nowrap;
}
.tile__value small { font-size: 16px; color: var(--color-warm-granite); letter-spacing: -0.02em; margin-right: 4px; }
.tile__delta { margin-top: 10px; }
.spark { width: 100%; height: 40px; margin-top: 14px; overflow: visible; }
.spark path { fill: none; stroke-width: 1; vector-effect: non-scaling-stroke; }
.spark .area { stroke: none; opacity: 0.08; }

.tile--wide { grid-column: span 2; }
.tile--feed { grid-row: span 2; border-right: 0; display: flex; flex-direction: column; }
.feed { display: flex; flex-direction: column; gap: 0; flex: 1; overflow: hidden; position: relative; min-height: 220px; }
.feed::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 48px; background: linear-gradient(transparent, var(--color-frame)); }
.feed__row {
  display: grid; grid-template-columns: auto 1fr auto; gap: 10px; align-items: baseline;
  padding: 9px 0; border-bottom: 1px solid var(--color-carbon-lift);
  font-family: var(--font-geist-mono); font-size: 11.5px; letter-spacing: -0.02em;
  color: var(--color-pale-stone); white-space: nowrap;
  animation: rowIn 0.35s var(--ease) both;
}
.feed__row b { font-weight: 400; color: var(--color-bone); }
.feed__row .tag { font-size: 10px; padding: 2px 5px; border: 1px solid var(--color-ash-stroke); border-radius: 2px; text-transform: uppercase; }
.feed__row .tag.is-momo { color: var(--color-metric-green); border-color: color-mix(in srgb, var(--color-metric-green) 40%, transparent); }
.feed__row .tag.is-queued { color: var(--color-signal-orange); border-color: color-mix(in srgb, var(--color-signal-orange) 45%, transparent); }
@keyframes rowIn { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }

.bars { display: flex; align-items: flex-end; gap: 4px; height: 64px; margin-top: 14px; }
.bars i { flex: 1; background: var(--color-graphite-mid); border-radius: 1px; min-height: 2px; transition: height 0.6s var(--ease), background-color var(--dur) var(--ease); }
.bars i.is-now { background: var(--accent); }
.bars i.is-ghost { background: transparent; border: 1px dashed var(--color-carbon-lift); border-bottom: 0; }

.stocklist { margin-top: 4px; }
.stocklist li {
  display: grid; grid-template-columns: 1fr auto; gap: 12px; align-items: center;
  padding: 8px 0; border-bottom: 1px solid var(--color-carbon-lift);
  font-size: 13px;
}
.stocklist li:last-child { border-bottom: 0; }
.meter { width: 64px; height: 3px; background: var(--color-carbon-lift); position: relative; }
.meter i { position: absolute; inset: 0 auto 0 0; background: var(--color-signal-orange); }
.meter.is-ok i { background: var(--color-metric-green); }

.frame__foot {
  display: flex; align-items: center; gap: 18px; flex-wrap: wrap;
  padding: 12px 20px; color: var(--color-warm-granite);
}
.frame__foot span { display: inline-flex; align-items: center; gap: 8px; }

/* ==========================================================================
   MARQUEE STRIP
   ========================================================================== */
.strip { padding: 28px 0; background: var(--accent); color: var(--accent-ink); margin-bottom: var(--section-gap); }
.strip + .section--ruled { border-top: 0; padding-top: 0 !important; }
.strip__label { text-align: center; color: var(--accent-ink); opacity: 0.7; margin-bottom: var(--spacing-16); }
.marquee {
  overflow: hidden; position: relative;
  mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
}
.marquee__track { display: flex; width: max-content; animation: marquee-scroll 48s linear infinite; }
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee__group { display: flex; align-items: center; gap: 64px; padding-right: 64px; }
.marquee__item {
  display: inline-flex; align-items: center; gap: 12px;
  color: var(--accent-ink); font-size: 22px; letter-spacing: -0.03em; white-space: nowrap;
}
.marquee__item svg { width: 22px; height: 22px; stroke: currentColor; }
@keyframes marquee-scroll { to { transform: translateX(-50%); } }

/* ==========================================================================
   FEATURE CARDS
   ========================================================================== */
.cards { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--spacing-24); }
.card {
  border: 1px solid var(--color-carbon-lift);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex; flex-direction: column; gap: var(--spacing-16);
  min-height: 300px;
  transition: border-color var(--dur) var(--ease);
}
.card:hover { border-color: var(--accent); }
.card__top { display: flex; align-items: center; justify-content: space-between; color: var(--color-warm-granite); }
.card__icon { width: 36px; height: 36px; background: var(--accent); border-radius: var(--radius-sm); display: grid; place-items: center; }
.card__icon svg { width: 18px; height: 18px; stroke: var(--accent-ink); }
.card h3 { font-size: 20px; letter-spacing: -0.03em; font-weight: 400; line-height: 1.2; margin-top: auto; }
.card p { font-size: var(--text-body-sm); line-height: var(--leading-body-sm); color: var(--color-warm-granite); }
.card__list { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  font-family: var(--font-geist-mono); font-size: 10.5px; letter-spacing: -0.02em; text-transform: uppercase;
  border: 1px solid var(--color-carbon-lift); color: var(--color-pale-stone);
  padding: 4px 6px; border-radius: 2px;
}
.card--feature { grid-column: span 2; min-height: 340px; }
.card__viz { flex: 1; display: flex; align-items: center; justify-content: center; min-height: 120px; }

/* ==========================================================================
   OFFLINE / 3D SYNC
   ========================================================================== */
.sync {
  border: 1px solid var(--color-carbon-lift);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
}
.sync__stage { position: relative; min-height: 560px; background: radial-gradient(ellipse at 50% 55%, var(--bg-2) 0%, var(--color-obsidian-canvas) 70%); cursor: grab; touch-action: pan-y; }
.sync__stage:active { cursor: grabbing; }
.sync__stage canvas { position: absolute; inset: 0; width: 100% !important; height: 100% !important; }
.sync__labels { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.sync__label {
  position: absolute; left: 0; top: 0;
  font-family: var(--font-geist-mono); font-size: 10.5px; letter-spacing: -0.02em; text-transform: uppercase;
  color: var(--color-pale-stone);
  white-space: nowrap;
  transform: translate(-50%, -100%);
  display: flex; align-items: center; gap: 6px;
  padding: 4px 6px; background: color-mix(in srgb, var(--color-obsidian-canvas) 82%, transparent); border: 1px solid var(--color-carbon-lift); border-radius: 2px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.sync__label .q { color: var(--color-signal-orange); }
.sync__label.is-server { color: var(--color-bone); }
.sync__hud {
  position: absolute; left: 20px; top: 20px; right: 20px;
  display: flex; justify-content: space-between; gap: 12px; pointer-events: none; flex-wrap: wrap;
}
.sync__hud .mono { display: inline-flex; align-items: center; gap: 8px; color: var(--color-pale-stone); }
.sync__hint { position: absolute; left: 20px; bottom: 18px; color: var(--color-graphite-mid); pointer-events: none; }
.sync__fallback { position: absolute; inset: 0; display: none; place-items: center; text-align: center; padding: 24px; color: var(--color-warm-granite); }
.sync--nogl .sync__fallback { display: grid; }

.sync__panel {
  border-left: 1px solid var(--color-carbon-lift);
  padding: var(--spacing-32) var(--spacing-24);
  display: flex; flex-direction: column; gap: var(--spacing-24);
  background: var(--bg-3);
}
.net-switch {
  display: grid; grid-template-columns: 1fr 1fr; padding: 3px; gap: 3px;
  border: 1px solid var(--color-ash-stroke); border-radius: var(--radius-sm);
}
.net-switch button {
  height: 34px; border-radius: 2px; font-size: 13px;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  color: var(--color-warm-granite);
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.net-switch button[aria-pressed="true"] { background: var(--color-carbon-lift); color: var(--color-bone); }
.counters { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--color-carbon-lift); }
.counters div { padding: 16px 0; border-bottom: 1px solid var(--color-carbon-lift); }
.counters div:nth-child(odd) { padding-right: 12px; border-right: 1px solid var(--color-carbon-lift); }
.counters div:nth-child(even) { padding-left: 16px; }
.counters dt { color: var(--color-warm-granite); margin-bottom: 8px; }
.counters dd { font-size: 28px; letter-spacing: -0.04em; line-height: 1; font-variant-numeric: tabular-nums; }
.steps { display: flex; flex-direction: column; }
.steps li { display: grid; grid-template-columns: 28px 1fr; gap: 8px; padding: 12px 0; border-bottom: 1px solid var(--color-carbon-lift); font-size: 14px; line-height: 1.43; color: var(--color-pale-stone); transition: color var(--dur) var(--ease); }
.steps li:last-child { border-bottom: 0; }
.steps li .mono { color: var(--color-graphite-mid); padding-top: 3px; transition: color var(--dur) var(--ease); }
.steps li.is-active { color: var(--color-bone); }
.steps li.is-active .mono { color: var(--accent-text); }
.steps li.is-done .mono { color: var(--color-metric-green); }

.rules { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--spacing-24); margin-top: var(--spacing-56); }
.rule { border-top: 1px solid var(--color-ash-stroke); padding-top: var(--spacing-16); }
.rule .mono { color: var(--color-warm-granite); display: block; margin-bottom: 12px; }
.rule p { font-size: 14px; line-height: 1.43; color: var(--color-pale-stone); }

/* ==========================================================================
   TILL DEMO (light figure card)
   ========================================================================== */
.till {
  display: grid; grid-template-columns: minmax(0, 8fr) minmax(0, 4fr); gap: var(--spacing-24);
  align-items: stretch;
}
.till__card {
  background: var(--paper); color: var(--paper-ink);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-24);
  display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: var(--spacing-24);
}
.till__card .mono { color: var(--paper-mute-2); }
.till__head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: var(--spacing-16); }
.till__search {
  white-space: nowrap; overflow: hidden;
  display: flex; align-items: center; gap: 10px; height: 40px; padding: 0 12px;
  border: 1px solid var(--paper-line); border-radius: var(--radius-sm); background: var(--paper-2);
  font-size: 14px; color: var(--paper-mute); margin-bottom: var(--spacing-16);
}
.till__search kbd { margin-left: auto; font-family: var(--font-geist-mono); font-size: 10.5px; padding: 2px 6px; border: 1px solid var(--paper-line); border-radius: 2px; }
.cats { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: var(--spacing-16); }
.cats button {
  font-family: var(--font-geist-mono); font-size: 11px; text-transform: uppercase; letter-spacing: -0.02em;
  padding: 6px 9px; border: 1px solid var(--paper-line); border-radius: 2px; color: var(--paper-mute-2);
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.cats button[aria-pressed="true"] { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.products { display: grid; grid-template-columns: repeat(auto-fill, minmax(128px, 1fr)); gap: 8px; }
.product {
  text-align: left; padding: 12px; border-radius: 6px;
  background: var(--paper-2); border: 1px solid var(--paper-line-3);
  display: flex; flex-direction: column; gap: 10px; min-height: 120px;
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.product:hover { border-color: var(--paper-ink); }
.product:active { background: var(--paper-press); }
.product__art { height: 44px; display: flex; align-items: flex-end; }
.product__art svg { height: 44px; width: auto; }
.product__name { font-size: 13px; line-height: 1.25; letter-spacing: -0.01em; }
.product__meta { display: flex; flex-direction: column; gap: 2px; margin-top: auto; font-size: 14px; font-variant-numeric: tabular-nums; }
.product__meta .mono { font-size: 10px; }

.cart { display: flex; flex-direction: column; border-left: 1px solid var(--paper-line-2); padding-left: var(--spacing-24); min-height: 480px; }
.cart__lines { flex: 1; overflow-y: auto; max-height: 230px; margin: 8px 0; }
.cart__empty { color: var(--paper-mute-3); font-size: 13px; padding: 24px 0; text-align: center; border: 1px dashed var(--paper-line); border-radius: 6px; margin-top: 8px; }
.line { display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; padding: 10px 0; border-bottom: 1px solid var(--paper-line-3); font-size: 13px; animation: rowIn 0.25s var(--ease) both; }
.line__qty { display: flex; align-items: center; gap: 6px; font-family: var(--font-geist-mono); font-size: 11px; color: var(--paper-mute); }
.line__qty button { width: 20px; height: 20px; border: 1px solid var(--paper-line); border-radius: 2px; display: grid; place-items: center; font-size: 12px; line-height: 1; }
.line__qty button:hover { border-color: var(--paper-ink); }
.line__total { font-variant-numeric: tabular-nums; text-align: right; }
.totals { font-size: 13px; border-top: 1px solid var(--paper-line-2); padding-top: 10px; }
.totals div { display: flex; justify-content: space-between; padding: 3px 0; color: var(--paper-mute); font-variant-numeric: tabular-nums; }
.totals .grand { color: var(--paper-ink); font-size: 28px; letter-spacing: -0.04em; padding-top: 10px; align-items: baseline; }
.totals .grand span:first-child { font-size: 13px; letter-spacing: 0; color: var(--paper-mute); }
.pay { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; margin-top: 14px; }
.pay button {
  height: 40px; border-radius: var(--radius-sm); font-size: 13px;
  border: 1px solid var(--paper-line);
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.pay button:hover:not(:disabled) { border-color: var(--paper-ink); }
.pay button.is-primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.pay button.is-primary:hover:not(:disabled) { background: color-mix(in srgb, var(--accent) 86%, #000); }
.pay button:disabled { opacity: 0.4; cursor: not-allowed; }

/* Right column of till section: payment state machine */
.till__side { display: flex; flex-direction: column; gap: var(--spacing-24); }
.state {
  border: 1px solid var(--color-carbon-lift); border-radius: var(--radius-lg);
  padding: 20px; flex: 1; display: flex; flex-direction: column; gap: 16px; min-height: 0;
}
.state__head { display: flex; align-items: center; justify-content: space-between; color: var(--color-pale-stone); }
.state__screen { flex: 1; display: grid; place-items: center; min-height: 280px; text-align: center; }
.state__screen > div { width: 100%; }
.qr { width: 168px; height: 168px; margin: 0 auto 16px; padding: 10px; background: #eeeeee; border-radius: 6px; }
.qr svg { width: 100%; height: 100%; }
.countdown { height: 2px; background: var(--color-carbon-lift); margin: 14px auto 0; width: 168px; position: relative; overflow: hidden; }
.countdown i { position: absolute; inset: 0; background: var(--color-signal-orange); transform-origin: left; }
.state__big { font-size: 36px; letter-spacing: -0.04em; line-height: 1; font-variant-numeric: tabular-nums; }
.state__log { font-family: var(--font-geist-mono); font-size: 11px; letter-spacing: -0.02em; color: var(--color-warm-granite); display: flex; flex-direction: column; gap: 6px; text-align: left; border-top: 1px solid var(--color-carbon-lift); padding-top: 12px; min-height: 92px; }
.state__log span { display: flex; gap: 8px; animation: rowIn 0.25s var(--ease) both; }
.state__log span b { font-weight: 400; color: var(--color-bone); }
.state__log .ok { color: var(--color-metric-green); }
.state__log .warn { color: var(--color-signal-orange); }

.receipt {
  width: 220px; margin: 0 auto; background: var(--paper); color: var(--paper-ink);
  padding: 16px 16px 22px; font-family: var(--font-geist-mono); font-size: 10.5px; letter-spacing: -0.02em; text-transform: uppercase; text-align: left;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 6px), 95% 100%, 90% calc(100% - 6px), 85% 100%, 80% calc(100% - 6px), 75% 100%, 70% calc(100% - 6px), 65% 100%, 60% calc(100% - 6px), 55% 100%, 50% calc(100% - 6px), 45% 100%, 40% calc(100% - 6px), 35% 100%, 30% calc(100% - 6px), 25% 100%, 20% calc(100% - 6px), 15% 100%, 10% calc(100% - 6px), 5% 100%, 0 calc(100% - 6px));
  animation: print 0.9s steps(12) both;
}
@keyframes print { from { clip-path: inset(0 0 100% 0); } to { clip-path: inset(0 0 0 0); } }
.receipt hr { border: 0; border-top: 1px dashed var(--paper-mute-3); margin: 8px 0; }
.receipt .r { display: flex; justify-content: space-between; gap: 8px; }
.receipt .c { text-align: center; }

/* ==========================================================================
   PAYMENTS FLOW
   ========================================================================== */
.flow { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); border: 1px solid var(--color-carbon-lift); border-radius: var(--radius-lg); overflow: hidden; }
.flow__step { padding: 20px; border-right: 1px solid var(--color-carbon-lift); position: relative; min-height: 220px; display: flex; flex-direction: column; gap: 12px; }
.flow__step:last-child { border-right: 0; }
.flow__step .mono { color: var(--color-warm-granite); display: flex; align-items: center; gap: 8px; }
.flow__step h4 { font-size: 18px; font-weight: 400; letter-spacing: -0.03em; line-height: 1.2; }
.flow__step p { font-size: 13px; line-height: 1.43; color: var(--color-warm-granite); margin-top: auto; }
.flow__step::after {
  content: ""; position: absolute; top: 28px; right: -4px; width: 7px; height: 7px; z-index: 1;
  border-top: 1px solid var(--color-ash-stroke); border-right: 1px solid var(--color-ash-stroke);
  background: var(--color-obsidian-canvas); transform: rotate(45deg);
}
.flow__step:last-child::after { display: none; }
.flow__step.is-lit { background: var(--bg-2); }
.flow__step.is-lit .mono { color: var(--accent-text); }
.flow__step .bar { height: 1px; background: var(--color-carbon-lift); position: relative; overflow: hidden; }
.flow__step .bar i { position: absolute; inset: 0; background: var(--color-metric-green); transform: scaleX(0); transform-origin: left; transition: transform 0.6s var(--ease); }
.flow__step.is-lit .bar i { transform: scaleX(1); }

.methods { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--spacing-24); margin-top: var(--spacing-24); }
.method { border: 1px solid var(--color-carbon-lift); border-radius: var(--radius-lg); padding: 20px; display: flex; flex-direction: column; gap: 10px; }
.method .mono { color: var(--color-warm-granite); display: flex; justify-content: space-between; }
.method h4 { font-weight: 400; font-size: 18px; letter-spacing: -0.03em; }
.method p { font-size: 13px; line-height: 1.43; color: var(--color-warm-granite); }

/* ==========================================================================
   LEDGER
   ========================================================================== */
.ledger-wrap { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: var(--spacing-56); align-items: start; }
.ledger-copy .h-lg { margin: 24px 0; }
.ledger-copy ul { margin-top: var(--spacing-32); border-top: 1px solid var(--color-carbon-lift); }
.ledger-copy li { display: grid; grid-template-columns: 120px 1fr; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--color-carbon-lift); font-size: 14px; color: var(--color-pale-stone); line-height: 1.43; }
.ledger-copy li .mono { color: var(--color-warm-granite); padding-top: 3px; }
.ledger { border: 1px solid var(--color-carbon-lift); border-radius: var(--radius-lg); overflow: hidden; background: var(--color-frame); }
.ledger__head { display: flex; justify-content: space-between; align-items: center; padding: 14px 20px; border-bottom: 1px solid var(--color-carbon-lift); color: var(--color-pale-stone); gap: 12px; flex-wrap: wrap; }
.ledger__level { display: flex; align-items: baseline; gap: 10px; }
.ledger__level b { font-weight: 400; font-size: 28px; letter-spacing: -0.04em; color: var(--color-bone); font-variant-numeric: tabular-nums; transition: color var(--dur) var(--ease); }
.ledger__level b.flash { color: var(--color-metric-green); }
.ledger table { width: 100%; border-collapse: collapse; font-family: var(--font-geist-mono); font-size: 11.5px; letter-spacing: -0.02em; }
.ledger th { text-align: left; font-weight: 400; color: var(--color-warm-granite); text-transform: uppercase; padding: 10px 20px; border-bottom: 1px solid var(--color-carbon-lift); }
.ledger td { padding: 10px 20px; border-bottom: 1px solid var(--color-carbon-lift); color: var(--color-pale-stone); white-space: nowrap; }
.ledger tr.is-new td { animation: rowIn 0.35s var(--ease) both; }
.ledger td.q { text-align: right; color: var(--color-bone); font-variant-numeric: tabular-nums; }
.ledger td.q.neg { color: var(--color-signal-orange); }
.ledger td.q.pos { color: var(--color-metric-green); }
.ledger th:last-child, .ledger th:nth-last-child(2) { text-align: right; }
.ledger td:last-child { text-align: right; }
.ledger__body { height: 404px; overflow: hidden; }
.ledger__foot { padding: 12px 20px; color: var(--color-warm-granite); display: flex; gap: 16px; flex-wrap: wrap; }

/* ==========================================================================
   ROLES MATRIX
   ========================================================================== */
.matrix { border: 1px solid var(--color-carbon-lift); border-radius: var(--radius-lg); overflow-x: auto; }
.matrix table { width: 100%; border-collapse: collapse; min-width: 720px; }
.matrix th, .matrix td { padding: 14px 20px; border-bottom: 1px solid var(--color-carbon-lift); text-align: center; font-size: 14px; }
.matrix tr:last-child td { border-bottom: 0; }
.matrix th { font-family: var(--font-geist-mono); font-size: 12px; text-transform: uppercase; letter-spacing: -0.02em; font-weight: 400; color: var(--color-pale-stone); }
.matrix th:first-child, .matrix td:first-child { text-align: left; color: var(--color-bone); }
.matrix td { color: var(--color-warm-granite); }
.matrix tbody tr { transition: background-color var(--dur) var(--ease); }
.matrix tbody tr:hover { background: var(--bg-2); }
.matrix .yes { display: inline-block; width: 8px; height: 8px; background: var(--accent); border-radius: 1px; }
.matrix .part { font-family: var(--font-geist-mono); font-size: 10.5px; text-transform: uppercase; color: var(--color-pale-stone); border: 1px solid var(--color-ash-stroke); padding: 3px 6px; border-radius: 2px; white-space: nowrap; }
.matrix .no { display: inline-block; width: 8px; height: 1px; background: var(--color-ash-stroke); vertical-align: middle; }
.matrix th.is-col, .matrix td.is-col { background: var(--bg-2); }

/* ==========================================================================
   NUMBERS
   ========================================================================== */
.numbers {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
  background: var(--accent); color: var(--accent-ink); border-radius: var(--radius-2xl);
  padding: 0 var(--spacing-24);
}
.numbers > div { padding: var(--spacing-40) var(--spacing-24) var(--spacing-40) 0; border-right: 1px solid color-mix(in srgb, var(--accent-ink) 22%, transparent); }
.numbers > div + div { padding-left: var(--spacing-24); }
.numbers > div:last-child { border-right: 0; }
.numbers .big { font-size: var(--text-display); letter-spacing: var(--tracking-display); line-height: 1; font-variant-numeric: tabular-nums; margin: 16px 0 12px; }
.numbers .big small { font-size: 28px; letter-spacing: -0.04em; opacity: 0.65; margin-left: 4px; }
.numbers p { font-size: 14px; opacity: 0.78; line-height: 1.43; max-width: 26ch; }
.numbers .mono { display: inline-flex; align-items: center; gap: 8px; }
.numbers .pulse { background: var(--accent-ink); }

/* ==========================================================================
   PRICING (one licence, everything included)
   ========================================================================== */
.offer { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); border-radius: var(--radius-2xl); overflow: hidden; }
.offer__main { background: var(--accent); color: var(--accent-ink); padding: var(--spacing-40); display: flex; flex-direction: column; gap: var(--spacing-24); }
.offer__main .eyebrow { color: var(--accent-ink); }
.offer__main .offer__price { opacity: 1; font-size: var(--text-display); letter-spacing: var(--tracking-display); line-height: 0.95; max-width: 8ch; margin-top: auto; font-weight: 400; }
.offer__main p { opacity: 0.82; font-size: 15px; max-width: 36ch; }
.offer__main .btn { align-self: flex-start; }
.offer__list { background: var(--bg-2); border: 1px solid var(--color-carbon-lift); border-left: 0; border-radius: 0 var(--radius-2xl) var(--radius-2xl) 0; padding: var(--spacing-40); }
.offer__list h3 { font-size: 14px; font-weight: 400; margin-bottom: var(--spacing-16); color: var(--color-warm-granite); }
.offer__grid { display: grid; grid-template-columns: 1fr 1fr; column-gap: var(--spacing-32); }
.offer__grid li { font-size: 14px; color: var(--color-pale-stone); padding: 11px 0 11px 22px; border-top: 1px solid var(--color-carbon-lift); position: relative; line-height: 1.43; }
.offer__grid li::before { content: ""; position: absolute; left: 0; top: 17px; width: 8px; height: 8px; background: var(--accent); border-radius: 1px; }
.plans__note { margin-top: var(--spacing-24); color: var(--color-warm-granite); display: flex; align-items: center; gap: 10px; }

/* ==========================================================================
   FAQ
   ========================================================================== */
.faq-wrap { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: var(--spacing-56); }
.faq { border-top: 1px solid var(--color-carbon-lift); }
.faq details { border-bottom: 1px solid var(--color-carbon-lift); }
.faq summary {
  list-style: none; cursor: pointer; display: grid; grid-template-columns: 48px 1fr 20px; align-items: center; gap: 8px;
  padding: 20px 0; font-size: 18px; letter-spacing: -0.02em;
  transition: color var(--dur) var(--ease);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary .mono { color: var(--color-graphite-mid); }
.faq summary:hover { color: var(--color-chalk); }
.faq summary .plus { position: relative; width: 12px; height: 12px; justify-self: end; }
.faq summary .plus::before, .faq summary .plus::after { content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 1px; background: var(--color-pale-stone); transition: transform var(--dur) var(--ease); }
.faq summary .plus::after { transform: rotate(90deg); }
.faq details[open] summary .plus::after { transform: rotate(0deg); }
.faq details[open] summary .mono { color: var(--color-signal-orange); }
.faq details p { padding: 0 28px 22px 56px; color: var(--color-warm-granite); font-size: 15px; max-width: 70ch; }

/* ==========================================================================
   CTA
   ========================================================================== */
.cta { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--spacing-24); align-items: stretch; }
.cta__card {
  background: var(--accent); color: var(--accent-ink);
  border-radius: var(--radius-lg); padding: var(--spacing-24);
  display: flex; flex-direction: column; gap: var(--spacing-24); min-height: 420px;
}
.cta__card .eyebrow { color: var(--accent-ink); }
.cta__card h2 { color: var(--accent-ink); max-width: 14ch; margin-top: var(--spacing-24); }
.cta__card p { opacity: 0.85; max-width: 42ch; }
.cta__form { display: flex; gap: 8px; flex-wrap: wrap; }
.cta__form input {
  flex: 1 1 200px; height: 40px; padding: 0 12px; border-radius: var(--radius-sm);
  border: 0; background: var(--paper); font: inherit; font-size: 14px; color: var(--paper-ink);
}
.cta__form input::placeholder { color: var(--paper-mute-3); }
.cta__form input:focus { outline: 2px solid var(--accent-ink); outline-offset: 1px; }
.cta__ok { display: none; align-items: center; gap: 8px; font-size: 14px; color: var(--accent-ink); }
.cta__card.is-sent .cta__form { display: none; }
.cta__card.is-sent .cta__ok { display: flex; }
.cta__contacts { display: flex; flex-direction: column; border-top: 1px solid color-mix(in srgb, var(--accent-ink) 25%, transparent); margin-top: auto; }
.cta__contacts a {
  display: grid; grid-template-columns: 88px 1fr auto; align-items: center; gap: 12px;
  padding: 12px 0; border-bottom: 1px solid color-mix(in srgb, var(--accent-ink) 25%, transparent); font-size: 15px; color: var(--accent-ink);
}
.cta__contacts a .mono { opacity: 0.65; }
.cta__contacts a .arrow { transition: transform var(--dur) var(--ease); }
.cta__contacts a:hover .arrow { transform: translate(2px, -2px); }
.cta__contacts a span:nth-child(2) { overflow-wrap: anywhere; }
.cta__aside {border: 1px solid var(--color-carbon-lift); border-radius: var(--radius-lg); padding: var(--spacing-24); display: flex; flex-direction: column; gap: 0; }
.cta__aside h3 { font-weight: 400; font-size: 20px; letter-spacing: -0.03em; margin-bottom: var(--spacing-16); }
.timeline li { display: grid; grid-template-columns: 72px 1fr; gap: 16px; padding: 14px 0; border-top: 1px solid var(--color-carbon-lift); font-size: 14px; line-height: 1.43; color: var(--color-pale-stone); }
.timeline li .mono { color: var(--color-warm-granite); padding-top: 3px; }

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer { padding: var(--section-gap) 0 var(--spacing-40); border-top: 1px solid var(--color-carbon-lift); }
.footer__grid { display: grid; grid-template-columns: minmax(0, 2fr) repeat(4, minmax(0, 1fr)); gap: 32px; }
.footer h4 { font-family: var(--font-geist-mono); font-size: 12px; text-transform: uppercase; letter-spacing: -0.02em; font-weight: 500; margin-bottom: var(--spacing-16); }
.footer li + li { margin-top: 10px; }
.footer li a { font-size: 14px; color: var(--color-warm-granite); transition: color var(--dur) var(--ease); }
.footer li a:hover { color: var(--color-bone); }
.footer__brand p { color: var(--color-warm-granite); font-size: 14px; max-width: 34ch; margin-top: var(--spacing-16); }
.footer__giant {
  margin-top: var(--spacing-96);
  font-size: clamp(64px, 17vw, 236px); letter-spacing: -0.06em; line-height: 0.8;
  color: color-mix(in srgb, var(--accent) 22%, var(--color-obsidian-canvas)); user-select: none; white-space: nowrap; overflow: hidden;
}
.footer__bottom { margin-top: var(--spacing-40); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; color: var(--color-warm-granite); }
.footer__bottom span { display: inline-flex; align-items: center; gap: 8px; }

/* ==========================================================================
   REVEAL (one gentle entrance, no scroll-linked motion)
   ========================================================================== */
.reveal { opacity: 0; transform: translateY(10px); transition: opacity 0.5s var(--ease), transform 0.5s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
.no-js .reveal { opacity: 1; transform: none; }

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 1100px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__copy { max-width: 640px; }
  .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sync { grid-template-columns: 1fr; }
  .sync__panel { border-left: 0; border-top: 1px solid var(--color-carbon-lift); display: grid; grid-template-columns: 1fr 1fr; }
  .sync__panel > :first-child { grid-column: 1 / -1; }
  .till { grid-template-columns: 1fr; }
  .flow { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .flow__step { border-bottom: 1px solid var(--color-carbon-lift); }
  .flow__step::after { display: none; }
  .methods { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ledger-wrap, .faq-wrap { grid-template-columns: 1fr; gap: var(--spacing-40); }
  .rules { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .numbers { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .numbers > div:nth-child(2) { border-right: 0; }
  .numbers > div:nth-child(n+3) { border-top: 1px solid color-mix(in srgb, var(--accent-ink) 22%, transparent); }
  .numbers > div:nth-child(3) { padding-left: 0; }
  .footer__grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .footer__brand { grid-column: 1 / -1; }
}

@media (max-width: 880px) {
  :root { --section-gap: 80px; }
  .nav__links, .nav__actions .btn--outline, .nav__status { display: none; }
  .nav__toggle { display: inline-flex; }
  .nav__drawer {
    display: block; position: fixed; inset: 64px 0 auto 0; background: var(--color-obsidian-canvas);
    border-bottom: 1px solid var(--color-carbon-lift); padding: 8px var(--gutter) 24px;
    transform: translateY(-8px); opacity: 0; pointer-events: none;
    transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
  }
  .nav.is-open .nav__drawer { opacity: 1; transform: none; pointer-events: auto; }
  .nav__drawer a { display: block; padding: 14px 0; border-bottom: 1px solid var(--color-carbon-lift); font-size: 15px; text-transform: uppercase; color: var(--color-pale-stone); }
  .nav__drawer .btn { margin-top: 16px; width: 100%; }
  .display { font-size: 52px; }
  .h-lg { font-size: 34px; }
  .h { font-size: 30px; }
  .section-head { grid-template-columns: 1fr; }
  .section-head p { justify-self: start; }
  .till__card { grid-template-columns: 1fr; }
  .cart { border-left: 0; border-top: 1px solid var(--paper-line-2); padding-left: 0; padding-top: 16px; min-height: 0; }
  .offer { grid-template-columns: 1fr; }
  .offer__list { border-left: 1px solid var(--color-carbon-lift); border-top: 0; border-radius: 0 0 var(--radius-2xl) var(--radius-2xl); }
  .cta { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  :root { --gutter: 16px; --section-gap: 72px; }
  .hero { padding-top: var(--spacing-40); }
  .display { font-size: 42px; letter-spacing: -0.045em; }
  .hero__facts { grid-template-columns: 1fr 1fr; }
  .hero__facts div:last-child { display: none; }
  .frame__body { grid-template-columns: 1fr 1fr; }
  .tile { padding: 14px; }
  .tile:nth-child(3n) { border-right: 1px solid var(--color-carbon-lift); }
  .tile:nth-child(2n) { border-right: 0; }
  .tile--wide, .tile--feed { grid-column: 1 / -1; border-right: 0; }
  .tile--feed { grid-row: auto; }
  .tile__value { font-size: 26px; }
  .frame__bar-right .hide-sm { display: none; }
  .cards { grid-template-columns: 1fr; }
  .card--feature { grid-column: auto; }
  .card { min-height: 0; }
  .sync__stage { min-height: 420px; }
  .sync__panel { grid-template-columns: 1fr; }
  .rules { grid-template-columns: 1fr; }
  .products { grid-template-columns: repeat(2, minmax(0, 1fr)); max-height: 380px; overflow-y: auto; overscroll-behavior: contain; }
  .feed { min-height: 0; max-height: 300px; }
  .flow { grid-template-columns: 1fr; }
  .flow__step { min-height: 0; border-right: 0; }
  .methods { grid-template-columns: 1fr; }
  .ledger td, .ledger th { padding: 10px 12px; }
  .ledger .hide-sm { display: none; }
  .numbers { grid-template-columns: 1fr; }
  .numbers > div, .numbers > div + div { padding: var(--spacing-32) 0; border-right: 0; }
  .numbers > div + div { border-top: 1px solid color-mix(in srgb, var(--accent-ink) 22%, transparent); }
  .offer__grid { grid-template-columns: 1fr; }
  .offer__main, .offer__list { padding: var(--spacing-24); }
  .offer__main .offer__price { font-size: 52px; }
  .numbers .big { font-size: 56px; }
  .faq summary { font-size: 16px; grid-template-columns: 36px 1fr 20px; }
  .faq details p { padding: 0 0 20px 44px; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .ledger-copy li { grid-template-columns: 1fr; gap: 4px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-delay: 0s !important; animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
  .marquee__track { animation: none; }
  .reveal { opacity: 1; transform: none; }
}


/* ==========================================================================
   THEME POPOVER (mode + accent colour; also ships inside the management system)
   ========================================================================== */
.theme { position: relative; }
.theme__btn {
  display: inline-flex; align-items: center; gap: 8px; height: 40px; padding: 0 12px;
  border: 1px solid var(--color-ash-stroke); border-radius: var(--radius-sm); color: var(--color-bone);
  transition: border-color var(--dur) var(--ease);
}
.theme__btn:hover, .theme__btn[aria-expanded="true"] { border-color: var(--accent); }
.theme__dot { width: 12px; height: 12px; border-radius: 50%; background: var(--accent); flex: none; }
.theme__panel {
  position: absolute; right: 0; top: calc(100% + 10px); width: 292px; z-index: 70;
  background: var(--color-obsidian-canvas); border: 1px solid var(--color-ash-stroke); border-radius: var(--radius-lg);
  padding: 16px; display: flex; flex-direction: column; gap: 14px; transform-origin: top right;
  animation: popIn 0.22s var(--ease-out) both;
}
.theme__panel[hidden] { display: none; }
@keyframes popIn { from { opacity: 0; transform: translateY(-6px) scale(0.97); } to { opacity: 1; transform: none; } }
.theme__panel .mono { color: var(--color-warm-granite); display: block; margin-bottom: 8px; }
.seg { display: grid; grid-template-columns: repeat(3, 1fr); padding: 3px; gap: 3px; border: 1px solid var(--color-ash-stroke); border-radius: var(--radius-sm); }
.seg button { height: 32px; border-radius: 2px; font-size: 13px; color: var(--color-warm-granite); transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease); }
.seg button:hover { color: var(--color-bone); }
.seg button[aria-pressed="true"] { background: var(--accent); color: var(--accent-ink); }
.swatches { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.swatch { height: 36px; border-radius: var(--radius-sm); background: var(--c); position: relative; transition: transform var(--dur) var(--ease); }
.swatch:hover { transform: translateY(-2px); }
.swatch[aria-pressed="true"]::after { content: ""; position: absolute; inset: -4px; border: 1px solid var(--color-bone); border-radius: 6px; }
.theme__custom { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.theme__custom .mono { margin: 0; }
.theme__custom input[type="color"] { width: 56px; height: 32px; padding: 0; border: 1px solid var(--color-ash-stroke); border-radius: var(--radius-sm); background: none; cursor: pointer; }
.theme__foot { display: flex; justify-content: space-between; align-items: center; gap: 12px; border-top: 1px solid var(--color-carbon-lift); padding-top: 12px; }
.theme__foot p { font-size: 12px; line-height: 1.4; color: var(--color-warm-granite); }
.theme__foot button { font-family: var(--font-geist-mono); font-size: 11px; text-transform: uppercase; color: var(--accent-text); white-space: nowrap; }

/* ==========================================================================
   PAGE TRANSITIONS
   - load curtain + staggered hero entrance
   - View Transitions for in-page navigation (slide/fade) and theme changes (circular reveal)
   - thin scroll progress line
   ========================================================================== */
.curtain {
  position: fixed; inset: 0; z-index: 300; background: var(--accent); color: var(--accent-ink);
  display: grid; place-items: center; pointer-events: none;
  animation: curtain-out 0.85s var(--ease-out) 0.5s both;
}
.curtain__mark { display: flex; align-items: center; gap: 14px; font-family: var(--font-geist-mono); font-size: 14px; letter-spacing: 0.22em; text-transform: uppercase; animation: curtain-mark 0.5s var(--ease-out) 0.05s both; }
.curtain__mark svg { width: 28px; height: 28px; }
.curtain__bar { position: absolute; left: 0; bottom: 0; height: 3px; width: 100%; background: var(--accent-ink); transform-origin: left; animation: curtain-load 0.55s var(--ease) 0s both; }
@keyframes curtain-mark { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
@keyframes curtain-load { from { transform: scaleX(0); } to { transform: scaleX(1); } }
@keyframes curtain-out { 0% { transform: translateY(0); } 99% { transform: translateY(-100%); visibility: visible; } 100% { transform: translateY(-100%); visibility: hidden; } }
.no-js .curtain { display: none; }

.hero__copy > * { animation: rise 0.8s var(--ease-out) both; }
.hero__copy > :nth-child(1) { animation-delay: 0.85s; }
.hero__copy > :nth-child(2) { animation-delay: 0.93s; }
.hero__copy > :nth-child(3) { animation-delay: 1.01s; }
.hero__copy > :nth-child(4) { animation-delay: 1.09s; }
.hero__copy > :nth-child(5) { animation-delay: 1.17s; }
.nav { animation: nav-in 0.7s var(--ease-out) 0.9s both; }
@keyframes rise { from { opacity: 0; transform: translateY(22px); } to { opacity: 1; transform: none; } }
@keyframes nav-in { from { opacity: 0; transform: translateY(-100%); } to { opacity: 1; transform: none; } }

.nav { view-transition-name: site-nav; }
::view-transition-group(site-nav) { animation-duration: 0s; }
::view-transition-old(root) { animation: vt-out 0.28s var(--ease) both; }
::view-transition-new(root) { animation: vt-in 0.5s var(--ease-out) both; }
@keyframes vt-out { to { opacity: 0; transform: translateY(-14px) scale(0.995); } }
@keyframes vt-in { from { opacity: 0; transform: translateY(26px); } }
/* Theme change: no cross-fade, a circle of the new theme grows from the toggle (driven from theme.js) */
:root[data-vt="theme"]::view-transition-old(root),
:root[data-vt="theme"]::view-transition-new(root) { animation: none; mix-blend-mode: normal; }
:root[data-vt="theme"]::view-transition-old(root) { z-index: 1; }
:root[data-vt="theme"]::view-transition-new(root) { z-index: 2; }

.progress { position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: 80; background: var(--accent); transform-origin: left; transform: scaleX(0); pointer-events: none; }

@media (prefers-reduced-motion: reduce) {
  .curtain { display: none; }
  ::view-transition-group(*), ::view-transition-old(*), ::view-transition-new(*) { animation: none !important; }
}
@media (max-width: 640px) {
  .theme__btn .mono { display: none; }
  .theme__btn { padding: 0 11px; }
  .theme__panel { right: -56px; }
}


/* Inline SVG colours authored as hex in the HTML follow the theme */
.card__viz [fill="#eeeeee"] { fill: var(--paper); }
.card__viz [fill="#4d4947"] { fill: var(--paper-mute-2); }
.card__viz [fill="#101010"] { fill: var(--paper-ink); }
.card__viz [fill="#8a8380"] { fill: var(--color-warm-granite); }
.card__viz [fill="#a0ca92"] { fill: var(--color-metric-green); }
.card__viz [stroke="#3d3a39"] { stroke: var(--color-ash-stroke); }
.card__viz [stroke="#eeeeee"] { stroke: var(--color-bone); }
.card__viz [stroke="#1d1a18"] { stroke: var(--color-carbon-lift); }
.card__viz [stroke="#a0ca92"] { stroke: var(--color-metric-green); }
.card__viz [stroke="#4d4947"] { stroke: var(--color-graphite-mid); }
.product__art [stroke="#101010"] { stroke: var(--paper-ink); }
.product__art [stroke="#8a8380"] { stroke: var(--paper-mute-3); }

/* Scrollbars use the accent colour (thumb) on the themed page background (track) */
html { scrollbar-color: var(--accent) var(--color-obsidian-canvas); }
* { scrollbar-width: thin; scrollbar-color: var(--accent) transparent; }
html { scrollbar-width: auto; scrollbar-color: var(--accent) var(--color-obsidian-canvas); }
::-webkit-scrollbar { width: 12px; height: 12px; }
::-webkit-scrollbar-track { background: var(--color-obsidian-canvas); }
::-webkit-scrollbar-thumb { background: var(--accent); border: 3px solid var(--color-obsidian-canvas); border-radius: 8px; }
::-webkit-scrollbar-thumb:hover { background: color-mix(in srgb, var(--accent) 80%, var(--color-chalk)); }
::-webkit-scrollbar-corner { background: var(--color-obsidian-canvas); }


/* ==========================================================================
   SUPPORT STRIP (under the licence card)
   ========================================================================== */
.support {
  margin-top: var(--spacing-24); border: 1px solid var(--color-carbon-lift); border-radius: var(--radius-lg);
  padding: var(--spacing-24); display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 6fr) auto; gap: var(--spacing-32); align-items: center;
}
.support__head .mono { color: var(--accent-text); display: block; margin-bottom: 10px; }
.support__head h3 { font-weight: 400; font-size: 22px; letter-spacing: -0.03em; line-height: 1.2; }
.support p { font-size: 14px; line-height: 1.5; color: var(--color-warm-granite); }
.support__plans { display: flex; gap: 8px; }
.support__plans .chip { font-size: 12px; padding: 8px 12px; border-color: var(--accent); color: var(--accent-text); }
@media (max-width: 880px) { .support { grid-template-columns: 1fr; gap: var(--spacing-16); } }

/* ==========================================================================
   LEGAL PAGES
   ========================================================================== */
.legal { padding: var(--spacing-80) 0 var(--section-gap); }
.legal__grid { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: var(--spacing-80); align-items: start; }
.legal__toc { position: sticky; top: 88px; display: flex; flex-direction: column; border-top: 1px solid var(--color-carbon-lift); }
.legal__toc a { padding: 11px 0; border-bottom: 1px solid var(--color-carbon-lift); font-size: 14px; color: var(--color-warm-granite); transition: color var(--dur) var(--ease); }
.legal__toc a:hover { color: var(--accent-text); }
.legal__toc a[aria-current="page"] { color: var(--color-bone); }
.legal__toc .mono { padding: 14px 0 8px; color: var(--color-pale-stone); border: 0; }
.legal__head { margin-bottom: var(--spacing-56); }
.legal__head .eyebrow { margin-bottom: var(--spacing-24); }
.legal__head h1 { font-size: 56px; line-height: 1.02; letter-spacing: -0.04em; font-weight: 400; margin-bottom: var(--spacing-24); }
.legal__head p { color: var(--color-warm-granite); max-width: 56ch; }
.legal__body section { padding: var(--spacing-32) 0; border-top: 1px solid var(--color-carbon-lift); display: grid; grid-template-columns: 56px minmax(0, 1fr); gap: 8px 16px; }
.legal__body section > .mono { color: var(--accent-text); padding-top: 6px; }
.legal__body h2 { font-size: 22px; letter-spacing: -0.03em; font-weight: 400; line-height: 1.25; margin-bottom: 14px; grid-column: 2; }
.legal__body p, .legal__body li { color: var(--color-pale-stone); font-size: 15px; line-height: 1.65; grid-column: 2; max-width: 68ch; }
.legal__body p + p { margin-top: 12px; }
.legal__body ul { grid-column: 2; margin-top: 12px; display: flex; flex-direction: column; gap: 8px; }
.legal__body li { padding-left: 20px; position: relative; }
.legal__body li::before { content: ""; position: absolute; left: 0; top: 11px; width: 6px; height: 6px; background: var(--accent); border-radius: 1px; }
.legal__body a { color: var(--accent-text); border-bottom: 1px solid color-mix(in srgb, var(--accent) 45%, transparent); }
.legal__body a:hover { border-color: var(--accent); }
.legal__contact { margin-top: var(--spacing-40); }
.legal__nav { display: flex; align-items: center; gap: var(--spacing-24); }
@media (max-width: 880px) {
  .legal { padding-top: var(--spacing-40); }
  .legal__grid { grid-template-columns: 1fr; gap: var(--spacing-32); }
  .legal__toc { position: static; flex-direction: row; flex-wrap: wrap; gap: 0 20px; border: 0; }
  .legal__toc .mono { width: 100%; }
  .legal__toc a { border: 0; padding: 6px 0; }
  .legal__head h1 { font-size: 38px; }
  .legal__body section { grid-template-columns: 1fr; }
  .legal__body h2, .legal__body p, .legal__body li, .legal__body ul { grid-column: 1; }
}


/* ==========================================================================
   3D DESKTOP (hero)
   ========================================================================== */
.hero { overflow-x: clip; }
.desk { position: relative; perspective: 2400px; perspective-origin: 30% 35%; padding: 8px 0 150px; --bezel: #17151a; --bezel-side: #0f0e10; --stand: #3a3735; --stand-2: #2a2826; }
:root[data-theme="light"] .desk { --bezel: #1c1a1d; --bezel-side: #121113; --stand: #c9c3ba; --stand-2: #b6afa5; }
.desk__scene { position: relative; transform-style: preserve-3d; transform: rotateX(var(--rx, 4deg)) rotateY(var(--ry, -14deg)); will-change: transform; }
.monitor { position: relative; transform-style: preserve-3d; animation: desk-float 8s ease-in-out infinite; }
@keyframes desk-float { 50% { transform: translateY(-8px); } }
.monitor__box { position: relative; transform-style: preserve-3d; }
.monitor__front { position: relative; background: var(--bezel); border-radius: 14px; padding: 12px 12px 30px; transform: translateZ(10px); }
.monitor__front .frame { border-radius: 6px; border-color: #000; }
.monitor__chin { position: absolute; left: 0; right: 0; bottom: 9px; display: flex; align-items: center; justify-content: center; gap: 8px; color: #6a6563; }
.monitor__chin .mono { font-size: 9px; letter-spacing: 0.3em; }
.monitor__led { width: 5px; height: 5px; border-radius: 50%; background: var(--accent); }
.mb { position: absolute; background: var(--bezel-side); display: block; }
.mb--back { inset: 0; border-radius: 14px; transform: translateZ(-10px); }
.mb--l, .mb--r { top: 7px; bottom: 7px; width: 20px; }
.mb--l { left: -10px; transform: rotateY(90deg); }
.mb--r { right: -10px; transform: rotateY(90deg); }
.mb--t, .mb--b { left: 7px; right: 7px; height: 20px; }
.mb--t { top: -10px; transform: rotateX(90deg); }
.mb--b { bottom: -10px; transform: rotateX(90deg); }
.monitor__neck { position: absolute; left: 50%; top: calc(100% - 6px); width: 150px; height: 92px; margin-left: -75px; background: var(--stand); transform: translateZ(-34px); }
.monitor__base { position: absolute; left: 50%; top: calc(100% + 84px); width: 360px; height: 200px; margin-left: -180px; background: var(--stand-2); border-radius: 14px; transform-origin: top center; transform: translateZ(-120px) rotateX(90deg); }
.monitor__base-front { position: absolute; left: 50%; top: calc(100% + 84px); width: 360px; height: 12px; margin-left: -180px; background: color-mix(in srgb, var(--stand-2) 70%, #000); border-radius: 0 0 6px 6px; transform: translateZ(80px); }
.desk__shadow { position: absolute; left: 6%; right: 6%; bottom: -150px; height: 150px; border-radius: 50%; background: color-mix(in srgb, #000 28%, transparent); transform: translateZ(-60px) translateY(-10px); }

.chip3d {
  position: absolute; display: flex; flex-direction: column; gap: 6px; padding: 14px 16px;
  background: var(--accent); color: var(--accent-ink); border-radius: var(--radius-lg); z-index: 3;
  animation: chip-float 6s ease-in-out infinite;
}
.chip3d b { font-weight: 400; font-size: 28px; letter-spacing: -0.04em; line-height: 1; font-variant-numeric: tabular-nums; }
.chip3d .mono { display: inline-flex; align-items: center; gap: 8px; }
.chip3d__sub { opacity: 0.7; font-size: 10px; }
.chip3d--momo { left: -6%; bottom: 4%; transform: translateZ(110px); }
.chip3d--sync { right: -3%; top: -5%; transform: translateZ(80px); background: var(--paper); color: var(--paper-ink); animation-delay: -2s; padding: 10px 14px; }
.chip3d--sync .pulse { background: var(--color-metric-green); }
.chip3d--stock { left: 3%; top: 8%; transform: translateZ(60px); background: var(--paper); color: var(--paper-ink); animation-delay: -4s; }
.chip3d--stock .pulse { background: var(--color-signal-orange); }
.chip3d--stock b { font-size: 18px; }
@keyframes chip-float { 50% { margin-top: -10px; } }

@media (max-width: 1100px) {
  .desk { padding-bottom: 120px; perspective: 1800px; }
  .chip3d--momo { left: 0; }
  .chip3d--sync { right: 0; }
}
@media (max-width: 640px) {
  .desk { padding: 0 0 70px; }
  .chip3d, .monitor__neck, .monitor__base, .monitor__base-front, .desk__shadow { display: none; }
  .monitor__front { padding: 8px 8px 22px; }
  .mb--l, .mb--r, .mb--t, .mb--b { display: none; }
}
@media (prefers-reduced-motion: reduce) { .monitor, .chip3d { animation: none; } }

.desk .tile { padding: 16px; }
.desk .tile__label { margin-bottom: 10px; }
.desk .tile__value { font-size: 32px; }
.desk .spark { height: 34px; margin-top: 10px; }
.desk .bars { height: 74px; margin-top: 8px; }
.desk .feed { min-height: 0; max-height: 292px; }
.desk .feed__row { padding: 8px 0; }
.chip3d--stock { left: -5%; top: 30%; }
.chip3d--momo { left: -3%; bottom: -2%; }

/* desk refinements */
.desk__shadow { left: 50%; right: auto; bottom: auto; top: calc(100% + 84px); width: 520px; height: 300px; margin-left: -260px; border-radius: 50%; background: color-mix(in srgb, #000 16%, transparent); transform-origin: top center; transform: translateZ(-170px) rotateX(90deg); }
:root:not([data-theme="light"]) .desk__shadow { background: color-mix(in srgb, #fff 4%, transparent); }
.chip3d--momo { left: auto; right: -2%; bottom: -5%; }
.chip3d--stock { left: 6%; top: -7%; }
@media (max-width: 1100px) { .chip3d--momo { right: 0; } .chip3d--stock { left: 2%; } }
.monitor__front { box-shadow: inset 0 0 0 1px color-mix(in srgb, #fff 9%, transparent); }
@media (max-width: 1100px) { .chip3d--momo { right: 5%; bottom: -8%; } .chip3d--stock { top: -9%; } }
@media (max-width: 640px) { .desk .feed { max-height: 230px; } }