/* Hallmark · pre-emit critique: P5 H5 E5 S5 R5 V5 */
/* Hallmark · genre: modern-minimal · macrostructure: Workbench · theme: existing TintSense · enrichment: product captures · nav: preserved · footer: preserved */
@import url("./tokens.css");

* { box-sizing: border-box; }
html, body { overflow-x: clip; }
html { color-scheme: light; scroll-padding-top: 96px; }
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}
html[data-theme="dark"] { color-scheme: dark; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--font); font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
@media (prefers-reduced-motion: no-preference) {
  body { transition: background-color .28s var(--ease-out, cubic-bezier(0.16, 1, 0.3, 1)), color .28s var(--ease-out, cubic-bezier(0.16, 1, 0.3, 1)); }
}
a { color: inherit; text-underline-offset: 5px; }
a:hover { text-decoration: underline; }
a, summary, button { touch-action: manipulation; }
a:focus-visible, summary:focus-visible { outline: 2px solid var(--ink); outline-offset: 5px; }
p, h1, h2, h3, figure, dl, dd { margin: 0; }
.wrap { width: min(1160px, calc(100% - 80px)); margin-inline: auto; }
.skip { position: absolute; left: 24px; top: -100px; padding: 10px 16px; background: var(--ink); color: var(--paper); z-index: 2; }
.skip:focus { top: 8px; }
.site-header { position: sticky; top: 0; z-index: 50; width: 100%; max-width: none; margin-inline: 0; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 20px; min-height: 84px; padding-inline: max(40px, calc((100vw - 1160px) / 2)); transition: min-height .35s ease, padding-inline .35s ease; }
.site-header.is-scrolled { min-height: 64px; padding-inline: 16px; border-radius: 0; background: transparent; box-shadow: none; backdrop-filter: none; -webkit-backdrop-filter: none; }
.site-header.is-scrolled .nav-pill { justify-self: center; }
.site-header.is-scrolled .header-right { justify-self: end; }
.header-left { display: flex; align-items: center; }
.header-right { display: flex; align-items: center; justify-content: flex-end; gap: 10px; }
.wordmark { display: inline-flex; gap: 10px; align-items: center; font-size: 22px; font-weight: 650; letter-spacing: -.8px; text-decoration: none; }
.brand-icon { width: 36px; height: 36px; background: var(--brand-icon-bg); border: 1px solid var(--brand-icon-border); border-radius: var(--radius-sm); display: inline-grid; place-items: center; position: relative; overflow: hidden; flex-shrink: 0; }
.brand-icon::before { content: ""; position: absolute; inset: 0; background: var(--brand-icon-face); clip-path: polygon(0 0, 100% 0, 0 100%); }
.brand-icon i { width: 6px; height: 6px; border-radius: 50%; background: var(--brand-dot); z-index: 1; }
.nav-pill { display: inline-flex; align-items: center; gap: 2px; background: var(--surface); border: 1px solid var(--rule); border-radius: var(--radius-full); padding: 4px; box-shadow: 0 1px 2px rgba(0,0,0,0.02); }
.nav-pill a { display: inline-flex; align-items: center; padding: 6px 16px; border-radius: var(--radius-full); font-size: 13px; font-weight: 500; color: var(--muted); text-decoration: none; transition: color .15s ease, background .15s ease; }
.nav-pill a:hover { color: var(--ink); background: var(--hover-fill); text-decoration: none; }
@media (pointer: coarse) {
  .nav-pill a { padding: 10px 16px; }
}
.button-sm { min-height: 40px; padding: 9px 16px; font-size: 13px; border-radius: var(--radius-full); }
.theme-switch { display: inline-flex; align-items: center; gap: 2px; min-height: 38px; padding: 3px; background: var(--surface); border: 1px solid var(--rule); border-radius: var(--radius-full); }
.theme-switch__opt {
  position: relative;
  width: 32px;
  min-height: 32px;
  padding: 0;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: var(--radius-full);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}
.theme-switch__opt::before {
  content: "";
  position: absolute;
  inset: -6px 0;
}
.theme-switch__icon { display: block; }
.theme-switch__opt:hover { color: var(--ink); background: var(--hover-fill); }
.theme-switch__opt.is-active,
.theme-switch__opt[aria-pressed="true"] { color: var(--paper); background: var(--ink); }
.theme-switch__opt:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }
.theme-switch__opt:active { transform: scale(.96); }
html:not([data-theme="dark"]) .theme-shot--dark { display: none !important; }
html[data-theme="dark"] .theme-shot--light { display: none !important; }
.hero-viewport { min-height: calc(100svh - 84px); display: flex; flex-direction: column; justify-content: space-between; padding: 32px 0 48px; }
.hero-top { display: flex; align-items: center; }
.hero-middle-canvas {
  position: relative;
  width: 100vw;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
  flex-grow: 1;
  min-height: 280px;
  height: clamp(280px, 42vh, 480px);
  margin-block: 24px 20px;
  overflow: visible;
  background: var(--paper);
}
.hero-middle-canvas .shader-frame {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: visible;
}
.hero-middle-canvas .threeui-background,
.hero-middle-canvas .threeui-background.predictive-arc--light,
.hero-middle-canvas .threeui-background.predictive-arc--dark {
  background: var(--paper) !important;
}
.hero-state-arc {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  overflow: visible;
}
.hero-state-arc svg {
  display: block;
  width: 100%;
  height: 100%;
  overflow: visible;
}
.hero-state-arc__line {
  fill: none;
  stroke: var(--arc-line);
  stroke-width: 1;
  stroke-dasharray: 2 10;
}
.hero-state-arc__motion {
  fill: none;
  filter: none;
}
.hero-state-arc__motion image { shape-rendering: auto; }
.hero-state-arc__frame {
  fill: none;
  stroke: var(--shot-stroke);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
  pointer-events: none;
}
.hero-state-arc__screen--dark { display: none; }
html[data-theme="dark"] .hero-state-arc__screen--light { display: none; }
html[data-theme="dark"] .hero-state-arc__screen--dark { display: inline; }
.hero-bottom { display: block; }
.eyebrow { display: flex; align-items: center; gap: 9px; font-family: var(--mono); font-size: 11px; letter-spacing: .07em; text-transform: uppercase; color: var(--muted); }
.status-dot { width: 6px; height: 6px; display: inline-block; border-radius: 50%; background: #418239; flex-shrink: 0; }
.hero-layout { display: grid; grid-template-columns: 1.5fr 1fr; gap: 40px; align-items: end; margin-top: 24px; }
@media (prefers-reduced-motion: no-preference) {
  .hero-layout > * { animation: hero-rise .55s cubic-bezier(.16, 1, .3, 1) backwards; }
  .hero-layout .hero-copy { animation-delay: .12s; }
}
@keyframes hero-rise {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}
h1 { font-size: clamp(42px, 5.3vw, 68px); font-weight: 500; line-height: 1.08; letter-spacing: -.065em; }
h1 span { color: var(--hero-kicker); }
.hero-copy { padding-bottom: 3px; }
.intro { max-width: 390px; font-size: 16px; color: var(--muted); line-height: 1.75; }
.actions { display: flex; align-items: center; flex-wrap: wrap; gap: 20px; margin-top: 22px; font-size: 13px; }
.button { display: inline-flex; justify-content: center; align-items: center; gap: 8px; min-height: 44px; padding: 11px 20px; border: 1px solid var(--ink); border-radius: var(--radius-sm); background: var(--ink); color: var(--paper); font-size: 13px; font-weight: 500; text-decoration: none; white-space: nowrap; }
.button:hover { background: var(--ink-hover); text-decoration: none; }
.button:active { transform: scale(.98); }
.button-secondary { background: var(--paper); color: var(--ink); }
.button-secondary:hover { background: var(--surface); }
.text-link { font-size: 13px; font-weight: 500; text-decoration: none; display: inline-flex; align-items: center; gap: 6px; min-height: 44px; white-space: nowrap; }
.icon-arrow { display: inline-block; width: 11px; height: 11px; vertical-align: -1px; flex-shrink: 0; transition: transform .15s ease; }
a:hover .icon-ext { transform: translate(1px, -1px); }
a:hover .icon-right { transform: translateX(2px); }
a:hover .icon-left { transform: translateX(-2px); }
a:hover .icon-up { transform: translateY(-2px); }
.note { margin-top: 12px; font-size: 11px; color: var(--muted); }
.product-example { border: 1px solid var(--rule); border-radius: var(--radius-md); overflow: hidden; }
.example-toolbar { padding: 14px 22px; display: flex; align-items: center; justify-content: space-between; gap: 16px; border-bottom: 1px solid var(--rule); font-size: 12px; }
.frame-icon { margin-right: 9px; font-size: 18px; color: var(--muted); }
.example-label, .small-label { font-family: var(--mono); font-size: 9px; color: var(--muted); letter-spacing: .04em; text-transform: uppercase; }
.example-workspace { display: grid; grid-template-columns: minmax(0, 1fr) 330px; }
.canvas { padding: 36px 60px 22px; background: var(--activity-canvas); display: flex; flex-direction: column; align-items: center; }
.sample-label { display: flex; justify-content: space-between; width: 100%; max-width: 480px; font-family: var(--mono); font-size: 10px; color: var(--muted); margin-bottom: 12px; }
.sample-card { width: 100%; max-width: 480px; background: white; padding: 34px 36px 28px; border: 1px solid #dedfd9; position: relative; }
.sample-eyebrow { font-family: var(--mono); font-size: 9px; letter-spacing: .14em; }
.sample-title { font-family: Georgia, 'Times New Roman', serif; font-size: 38px; line-height: 1.08; letter-spacing: -.04em; margin-top: 22px; }
.sample-description { color: #626262; font-size: 12px; margin-top: 16px; line-height: 1.8; }
.sample-button { display: flex; align-items: center; justify-content: space-between; border: 1px solid #dedede; padding: 13px 16px; margin-top: 22px; font-size: 14px; color: #aaa; }
.selected-text { position: relative; outline: 1px solid #a45b37; outline-offset: 5px; }
.selected-text::before, .selected-text::after, .selected-text i::before, .selected-text i::after { content: ''; position: absolute; width: 4px; height: 4px; border: 1px solid #a45b37; background: white; }
.selected-text::before { top: -7px; left: -7px; }
.selected-text::after { top: -7px; right: -7px; }
.selected-text i::before { bottom: -7px; left: -7px; }
.selected-text i::after { bottom: -7px; right: -7px; }
.annotation { display: inline-flex; gap: 7px; align-items: center; padding: 5px 8px; background: #fbede6; color: #8a4525; border: 1px solid #e5c6b7; font-size: 10px; margin: 10px 0 0 10px; }
.canvas-note { margin-top: 18px; font-size: 10px; color: var(--muted); }
.inspector { background: var(--paper); border-left: 1px solid var(--rule); display: flex; flex-direction: column; }
.inspector-brand { display: flex; gap: 8px; align-items: center; padding: 18px 20px; border-bottom: 1px solid var(--rule); font-size: 12px; }
.inspector-brand .brand-icon { width: 20px; height: 20px; border-radius: var(--radius-xs); }
.inspector-brand .small-label { margin-left: auto; font-size: 8px; }
.inspector-content { padding: 22px; }
.inspector-label { font-size: 10px; color: var(--muted); margin-bottom: 3px; }
.inspector h3 { font-size: 15px; font-weight: 500; }
.ratio-row { display: flex; align-items: center; justify-content: space-between; margin: 18px 0 12px; }
.ratio-row > strong { font-size: 40px; line-height: 1; font-weight: 500; letter-spacing: -.05em; }
.ratio-row > strong > span { font-size: 24px; color: var(--muted); }
.badge { display: inline-flex; white-space: nowrap; border-radius: var(--radius-xs); padding: 4px 7px; font-size: 10px; font-weight: 500; }
.fail { color: var(--fail-ink); background: var(--fail-bg); }
.pass { color: var(--pass-ink); background: var(--pass-bg); }
.inspector-explanation { font-size: 11px; line-height: 1.7; color: var(--muted); }
.color-values { display: grid; gap: 10px; margin: 18px 0; padding-block: 16px; border-block: 1px solid #ecece8; font-size: 11px; }
.color-values > div, .suggestion-heading, .suggestion-result { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.color-values dt { color: var(--muted); }
.color-values dd, .suggestion-result > span:first-child { display: inline-flex; align-items: center; gap: 7px; font-family: var(--mono); font-size: 10px; }
.color-values i, .suggestion-result i { display: inline-block; width: 12px; height: 12px; border: 1px solid #dedede; border-radius: var(--radius-xs); }
.color-before { background: #aaa; }.color-white { background: #fff; }.color-after { background: #767676; }
.suggestion-heading strong { font-size: 11px; font-weight: 500; }
.suggestion-heading .small-label { font-size: 8px; }
.suggestion-result { margin-top: 12px; }
.suggestion p { font-size: 10px; color: var(--muted); margin-top: 9px; }
.inspector-footer { display: flex; align-items: center; gap: 7px; padding: 12px 22px; background: var(--surface-2); border-top: 1px solid var(--rule); font-size: 9px; color: var(--muted); margin-top: auto; }
figcaption { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; padding: 14px 22px; border-top: 1px solid var(--rule); font-size: 11px; }
figcaption > span { color: var(--muted); }
figcaption a { text-decoration: none; }
.capability-strip { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px; padding: 22px 0; color: var(--muted); font-size: 11px; }
.capability-strip span::before { content: '✓'; margin-right: 8px; color: var(--pass-ink); }

/* Canvas activity workbench */
.live-activities {
  padding-block: 84px 96px;
  border-top: 1px solid var(--rule);
}
.live-activities__head {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  max-width: 68ch;
}
.live-activities__head .eyebrow { margin-block-end: 20px; }
.live-activities__head h2 {
  max-width: 16ch;
  overflow-wrap: anywhere;
  min-width: 0;
}
.live-activities__head > p:last-child {
  max-width: 62ch;
  margin-block-start: 20px;
  color: var(--muted);
  font-size: 14px;
}
.live-activities__scroll-note {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-block: 32px -24px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: .07em;
  text-transform: uppercase;
}
.live-activities__scroll-note span {
  color: var(--ink);
  font-size: 16px;
  line-height: 1;
}
.live-activities__pin {
  overflow: visible;
}
.live-activities__stage {
  overflow: visible;
}
.live-activities__stack {
  display: flex;
  gap: 20px;
  margin-block-start: 48px;
  padding: 12px 2px 26px;
  overflow: visible;
  will-change: transform;
}
.live-activities__stack:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 6px;
}
.live-activity {
  --activity-shift: 0px;
  position: relative;
  flex: 0 0 min(900px, 78vw);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(224px, 31%);
  min-height: 520px;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--rule);
  border-radius: var(--radius-md);
  background: var(--activity-canvas);
  box-shadow: 0 18px 48px var(--activity-shadow);
  isolation: isolate;
  transform: translateX(var(--activity-shift));
}
.live-activity + .live-activity { margin-block-start: 0; }
.live-activity:nth-child(2) { --activity-shift: 0px; z-index: 2; }
.live-activity:nth-child(3) { --activity-shift: 0px; z-index: 3; }
.live-activity:nth-child(4) { --activity-shift: 0px; z-index: 4; }
.live-activity__canvas {
  position: relative;
  display: grid;
  place-items: center;
  min-width: 0;
  padding: 64px 56px 88px;
  background-color: var(--activity-canvas);
  background-image: linear-gradient(var(--activity-grid) 1px, transparent 1px), linear-gradient(90deg, var(--activity-grid) 1px, transparent 1px);
  background-size: 24px 24px;
}
.live-activity__meta {
  position: absolute;
  inset-block-start: 24px;
  inset-inline: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.live-activity__plugin-slot {
  align-self: center;
  justify-self: center;
  position: relative;
  width: min(84%, 264px);
  margin-block-end: 48px;
  z-index: 2;
}
.live-activity__plugin-frame {
  position: relative;
  border-radius: var(--radius-md);
  border: 1px solid var(--rule);
  background: var(--paper);
  box-shadow: 0 16px 36px var(--activity-shadow), 0 2px 8px rgba(0, 0, 0, 0.05);
  overflow: hidden;
  line-height: 0;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.live-activity__plugin {
  display: block;
  width: 100%;
  height: auto;
  border: 0;
  border-radius: inherit;
  background: transparent;
}

/* Hallmark · engine experience: technical-editorial · interaction: traceable decision flow */
.engine-experience {
  padding-block: 84px 96px;
  border-top: 1px solid var(--rule);
}
.engine-experience__intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 20px 64px;
  align-items: end;
}
.engine-experience__intro .eyebrow { grid-column: 1 / -1; }
.engine-experience__intro h2 { max-width: 15ch; }
.engine-experience__intro > p:last-child {
  max-width: 46ch;
  color: var(--muted);
  font-size: 14px;
}
.engine-experience__demo {
  display: grid;
  grid-template-columns: minmax(250px, .72fr) minmax(0, 1.28fr);
  margin-block-start: 48px;
  border: 1px solid var(--rule);
  background: var(--surface);
}
.engine-experience__controls {
  padding: 28px;
  border-inline-end: 1px solid var(--rule);
}
.engine-experience__control-label {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  font-size: 12px;
  font-weight: 600;
}
.engine-experience__samples {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-block-start: 18px;
}
.engine-sample {
  padding: 7px 9px;
  border: 1px solid var(--rule);
  border-radius: var(--radius-full);
  background: var(--paper);
  color: var(--muted);
  font: inherit;
  font-size: 10px;
  cursor: pointer;
  transition: color .18s ease, border-color .18s ease, background-color .18s ease;
}
.engine-sample:hover,
.engine-sample:focus-visible,
.engine-sample.is-active {
  border-color: var(--ink);
  color: var(--ink);
  background: var(--paper);
}
.engine-sample:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }
.engine-input {
  --engine-background: var(--paper);
  margin-block-start: 26px;
  border: 1px solid var(--rule);
  background: var(--paper);
}
.engine-input__canvas {
  position: relative;
  min-height: 220px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 14px;
  padding: 28px;
  overflow: hidden;
  background: var(--engine-background);
  transition: background .35s ease;
}
.engine-input__canvas::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: .5;
  pointer-events: none;
  background-image: linear-gradient(var(--activity-grid) 1px, transparent 1px), linear-gradient(90deg, var(--activity-grid) 1px, transparent 1px);
  background-size: 20px 20px;
}
.engine-input__label,
.engine-input__values,
.engine-step__label,
.engine-step__number {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.engine-input__label { position: relative; color: var(--muted); }
.engine-input__canvas strong {
  position: relative;
  max-width: 12ch;
  color: var(--ink);
  font-size: 30px;
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -.045em;
}
.engine-input__badge {
  position: absolute;
  inset-block-end: 20px;
  inset-inline-end: 20px;
  padding: 7px 9px;
  border: 1px solid var(--activity-pass-border);
  border-radius: var(--radius-xs);
  color: var(--activity-pass-ink);
  background: var(--activity-pass-bg);
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 650;
  transition: color .2s ease, background-color .2s ease, border-color .2s ease;
}
.engine-input__badge[data-tone="fail"] { color: var(--activity-fail-ink); background: var(--activity-fail-bg); border-color: var(--activity-fail-border); }
.engine-input__badge[data-tone="review"] { color: var(--activity-warning-ink); background: var(--activity-warning-bg); border-color: var(--activity-warning-border); }
.engine-input__values {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 16px;
  border-top: 1px solid var(--rule);
  color: var(--muted);
}
.engine-input__values div { display: flex; justify-content: space-between; gap: 16px; }
.engine-input__values dt,
.engine-input__values dd { margin: 0; }
.engine-input__values dd { color: var(--ink); }
.engine-experience__pipeline {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: stretch;
  gap: 18px;
  padding: 28px;
  background: var(--paper);
}
.engine-step {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-width: 0;
  padding: 20px;
  border: 1px solid var(--rule);
  background: var(--paper);
}
.engine-step__number { color: var(--muted); }
.engine-step__label { margin-block-start: 26px; color: var(--muted); }
.engine-step strong { margin-block-start: 12px; font-size: 19px; font-weight: 550; line-height: 1.15; letter-spacing: -.025em; }
.engine-step p { margin-block-start: 14px; color: var(--muted); font-size: 11px; line-height: 1.65; }
.engine-step__connector { align-self: center; color: var(--muted); font-family: var(--mono); }
.engine-step--result { border-color: var(--activity-pass-border); background: var(--activity-pass-bg); }
.engine-step--result strong { color: var(--activity-pass-ink); }
.engine-step--review { border-color: var(--activity-warning-border); background: var(--activity-warning-bg); }
.engine-step--review strong { color: var(--activity-warning-ink); }

.engine-cinema { margin-block-start: 32px; }
.engine-cinema__stage {
  position: relative;
  min-height: calc(95svh - 64px);
  padding-block: 20px;
  isolation: isolate;
}
.engine-cinema__stage::before {
  content: '';
  position: absolute;
  z-index: 0;
  inset-block: 0;
  inset-inline-start: 50%;
  width: 100vw;
  pointer-events: none;
  background-image: linear-gradient(color-mix(in srgb, var(--activity-grid) 52%, transparent) 1px, transparent 1px), linear-gradient(90deg, color-mix(in srgb, var(--activity-grid) 52%, transparent) 1px, transparent 1px);
  background-size: 24px 24px;
  transform: translateX(-50%);
}
.engine-cinema__visual { --engine-focus: 0; position: relative; z-index: 1; width: 100%; min-width: 0; }
.engine-cinema__canvas {
  position: relative;
  min-height: clamp(420px, 58svh, 650px);
  display: flex;
  flex-direction: column;
  padding: 18px;
  overflow: hidden;
  border: 0;
  background: transparent;
  box-shadow: none;
}
.engine-cinema__canvas::before {
  content: '';
  position: absolute;
  inset: 20px;
  border: 1px solid color-mix(in srgb, var(--activity-selection) 35%, transparent);
  opacity: calc(.2 + var(--engine-focus) * .8);
  transform: scale(calc(.98 + var(--engine-focus) * .02));
  transition: opacity .2s linear;
}
.engine-scene__label,
.engine-scene__number {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: .07em;
  text-transform: uppercase;
}
.engine-cinema__map { position: relative; z-index: 1; display: block; width: min(100%, 860px); height: min(480px, 44svh); margin: auto; overflow: visible; }
.engine-map__frame { fill: var(--activity-canvas-deep); stroke: var(--rule); }
.engine-map__layer { fill: var(--activity-card); stroke: var(--activity-selection); stroke-width: 1.2; }
.engine-map__handle { fill: var(--activity-card); stroke: var(--activity-selection); }
.engine-map__micro,
.engine-map__value,
.engine-map__formula,
.engine-map__ratio-unit,
.engine-map__decision-text { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.engine-map__micro { fill: var(--muted); font-size: 8px; letter-spacing: .08em; }
.engine-map__micro--end { letter-spacing: .04em; }
.engine-map__headline { fill: var(--ink); font-family: var(--font); font-size: 25px; font-weight: 600; letter-spacing: -.05em; }
.engine-map__copy { stroke: var(--engine-foreground); stroke-width: 4; }
.engine-map__sample-ring { fill: var(--activity-card); stroke: var(--rule); }
.engine-map__sample-color { fill: var(--engine-foreground); }
.engine-map__sample--background .engine-map__sample-color { fill: var(--activity-card); stroke: var(--rule); }
.engine-map__value { fill: var(--ink); font-size: 9px; font-weight: 600; }
.engine-map__signal { fill: none; stroke: var(--activity-selection); stroke-width: 1.2; }
.engine-map__signal--background { stroke: var(--muted); stroke-dasharray: 3 5; }
.engine-map__signal-node { fill: var(--activity-card); stroke: var(--activity-selection); stroke-width: 1.2; }
.engine-map__calculation-frame { fill: var(--activity-card); stroke: var(--ink); }
.engine-map__formula { fill: var(--muted); font-size: 10px; }
.engine-map__fraction,
.engine-map__divider { stroke: var(--rule); }
.engine-map__ratio { fill: var(--ink); font-family: var(--font); font-size: 28px; font-weight: 600; letter-spacing: -.05em; font-variant-numeric: tabular-nums; }
.engine-map__ratio-unit { fill: var(--muted); font-size: 9px; }
.engine-map__decision-frame { fill: var(--activity-pass-bg); stroke: var(--activity-pass-border); }
.engine-map__decision-mark { fill: var(--activity-pass-ink); }
.engine-map__check { fill: none; stroke: var(--activity-card); stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; }
.engine-map__decision-text { fill: var(--activity-pass-ink); font-size: 10px; font-weight: 650; }
.engine-map__baseline { stroke: var(--rule); }
.engine-cinema__story {
  position: absolute;
  z-index: 2;
  inset-inline: 0;
  inset-block-end: 0;
  width: 100%;
  height: clamp(196px, 28svh, 330px);
}
.engine-cinema__progress {
  position: absolute;
  z-index: 1;
  inset-block-end: 0;
  inset-inline: 0;
  width: 100%;
  height: 1px;
  pointer-events: none;
  background: var(--rule);
  opacity: .5;
}
.engine-cinema__progress span {
  display: block;
  width: 100%;
  height: 1px;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left center;
    opacity: .5;
}
.engine-scene {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 0;
  text-align: center;
}
.engine-scene__number { color: var(--muted); }
.engine-scene__label { display: block; margin-block-start: 10px; color: var(--muted); }
.engine-scene h3 { max-width: 18ch; margin-block-start: 8px; font-size: clamp(30px, 3.4vw, 48px); font-weight: 500; line-height: 1.03; letter-spacing: -.055em; }
.engine-scene p { max-width: 52ch; margin-block-start: 16px; color: var(--muted); font-size: 14px; line-height: 1.75; }
.engine-scene p strong { color: var(--ink); font-weight: 600; }
.live-activity figcaption {
  position: absolute;
  inset-inline: 0;
  inset-block-end: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 16px 28px;
  border-top: 1px solid var(--rule);
  background: var(--paper);
  font-size: 12px;
  z-index: 3;
}
.live-activity figcaption strong { font-size: 13px; font-weight: 600; }
.live-activity figcaption span { color: var(--muted); text-align: end; }
/* ==========================================================================
   Realistic Figma Canvas Nodes & Frames for Live Activities
   ========================================================================== */

.figma-canvas-stage,
.figma-vision-grid,
.figma-fix-stage {
  width: min(100%, 540px);
  position: relative;
  z-index: 1;
}

/* Figma Frame Wrapper & Header */
.figma-frame-wrapper {
  position: relative;
  display: flex;
  flex-direction: column;
}

.figma-frame-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-block-end: 7px;
  user-select: none;
  font-family: var(--font);
}

.figma-frame-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 500;
  line-height: 1;
}

.figma-frame-icon {
  color: var(--muted);
  opacity: 0.85;
  flex-shrink: 0;
}

.figma-frame-title {
  color: var(--muted);
  letter-spacing: -0.01em;
}

.figma-frame-dims {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 9px;
  opacity: 0.7;
}

.figma-heatmap-indicator {
  margin-inline-start: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 2px 7px;
  border-radius: var(--radius-full);
  background: var(--activity-warning-bg);
  border: 1px solid var(--activity-warning-border);
  color: var(--activity-warning-ink);
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 600;
}

.pulse-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--activity-warning-ink);
}

@media (prefers-reduced-motion: no-preference) {
  .pulse-dot { animation: pulse-dot 1.8s ease-in-out infinite; }
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

/* Main Figma Node Container (Hero UI Frame) */
.figma-node {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 20px var(--activity-shadow);
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.figma-node--hero {
  padding: 16px 20px 22px;
}

/* Realistic Mini App Nav Inside Frame */
.figma-ui-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block-end: 14px;
  margin-block-end: 16px;
  border-bottom: 1px solid var(--rule);
  position: relative;
}

.figma-ui-brand {
  display: flex;
  align-items: center;
  gap: 7px;
}

.figma-ui-brand-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--figma-blue);
  box-shadow: 0 0 0 2px var(--figma-blue-subtle);
}

.figma-ui-brand-name {
  font-size: 11px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.02em;
}

.figma-ui-links {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 10px;
  color: var(--muted);
  font-weight: 500;
}

.figma-ui-nav-cta {
  font-size: 10px;
  font-weight: 600;
  color: var(--ink);
  padding: 3px 8px;
  border-radius: var(--radius-xs);
  border: 1px solid var(--rule);
  background: var(--surface-2);
}

/* Hero Content Area */
.figma-ui-hero {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.figma-ui-kicker-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
}

.figma-ui-chip {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  background: var(--surface-3);
  border: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.figma-ui-title {
  font-size: 20px;
  line-height: 1.2;
  font-weight: 600;
  letter-spacing: -0.035em;
  color: var(--ink);
  margin: 0;
  max-width: 24ch;
}

.figma-ui-subtitle-row {
  position: relative;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.figma-ui-subtitle {
  font-size: 11px;
  line-height: 1.5;
  color: #94a3b8; /* intentionally low contrast in light mode to demonstrate failure */
  margin: 0;
  max-width: 28ch;
}

html[data-theme="dark"] .figma-ui-subtitle {
  color: #64748b; /* low contrast in dark mode */
}

.figma-ui-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-block-start: 4px;
  position: relative;
}

.figma-ui-cta-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.figma-ui-button {
  font-size: 10px;
  font-weight: 600;
  padding: 7px 13px;
  border-radius: var(--radius-xs);
  cursor: default;
  line-height: 1.2;
  user-select: none;
}

.figma-ui-button--primary {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: #ffffff;
  box-shadow: 0 2px 6px rgba(16, 185, 129, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.figma-ui-button--ghost {
  color: var(--muted);
  border: 1px solid var(--rule);
  background: var(--surface-2);
}

/* ==========================================================================
   TintSense Figma Canvas Badges (Pixel-perfect widget look)
   ========================================================================== */

.node-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 8px;
  border: 1px solid;
  border-radius: var(--radius-xs);
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 600;
  white-space: nowrap;
  box-shadow: 0 3px 10px var(--activity-shadow);
  user-select: none;
  z-index: 10;
}

.node-badge__dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
}

.node-badge--pass {
  color: var(--activity-pass-ink);
  background: var(--activity-pass-bg);
  border-color: var(--activity-pass-border);
}

.node-badge--fail {
  color: var(--activity-fail-ink);
  background: var(--activity-fail-bg);
  border-color: var(--activity-fail-border);
}

.node-badge--warning {
  color: var(--activity-warning-ink);
  background: var(--activity-warning-bg);
  border-color: var(--activity-warning-border);
}

.live-activity--badges .figma-ui-kicker-row .node-badge--pass {
  position: static;
}

.live-activity--badges .figma-ui-subtitle-row .node-badge--fail {
  position: static;
  flex-shrink: 0;
}

.live-activity--badges .figma-ui-cta-wrap .node-badge--warning {
  position: absolute;
  inset-inline-start: calc(100% + 10px);
  white-space: nowrap;
}

/* ==========================================================================
   Figma Heatmap Overlays (Card 2)
   ========================================================================== */

.figma-node--heatmap .heatmap-zone {
  position: relative;
  transition: background-color 0.2s ease, border-color 0.2s ease;
  border-radius: var(--radius-xs);
  padding: 6px 8px;
}

.figma-node--heatmap .figma-ui-nav.heatmap-zone {
  margin-block-end: 12px;
  border-bottom: none;
}

.heatmap-zone--pass {
  background: rgba(16, 185, 129, 0.12);
  border: 1px dashed rgba(16, 185, 129, 0.65);
}

.heatmap-zone--fail {
  background: rgba(239, 68, 68, 0.15);
  border: 1px dashed rgba(239, 68, 68, 0.7);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.heatmap-zone--warning {
  background: rgba(245, 158, 11, 0.15);
  border: 1px dashed rgba(245, 158, 11, 0.7);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.heatmap-tag {
  font-family: var(--mono);
  font-size: 8px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 2px 5px;
  border-radius: 2px;
  white-space: nowrap;
  flex-shrink: 0;
}

.heatmap-tag--pass {
  color: #065f46;
  background: #a7f3d0;
}

.heatmap-tag--fail {
  color: #991b1b;
  background: #fecaca;
}

.heatmap-tag--warning {
  color: #92400e;
  background: #fde68a;
}

html[data-theme="dark"] .heatmap-tag--pass {
  color: #a7f3d0;
  background: #064e3b;
}

html[data-theme="dark"] .heatmap-tag--fail {
  color: #fecaca;
  background: #7f1d1d;
}

html[data-theme="dark"] .heatmap-tag--warning {
  color: #fde68a;
  background: #78350f;
}

/* ==========================================================================
   Figma Vision Nodes (Card 3: 3 side-by-side frames)
   ========================================================================== */

.figma-vision-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.figma-frame-wrapper--mini .figma-frame-header {
  margin-block-end: 4px;
}

.figma-node--metric {
  padding: 14px 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 160px;
}

.metric-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 4px;
}

.metric-card__label {
  font-size: 9px;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.metric-card__badge {
  font-family: var(--mono);
  font-size: 8px;
  font-weight: 650;
  padding: 2px 4px;
  border-radius: var(--radius-xs);
  line-height: 1;
}

.metric-card__badge--pass {
  color: var(--activity-pass-ink);
  background: var(--activity-pass-bg);
}

.metric-card__badge--protan {
  color: #6e5d1e;
  background: #faeed1;
}

.metric-card__badge--deuter {
  color: #635d25;
  background: #f5eed6;
}

html[data-theme="dark"] .metric-card__badge--protan {
  color: #e5d18d;
  background: #3e3518;
}

html[data-theme="dark"] .metric-card__badge--deuter {
  color: #dbd293;
  background: #3a3617;
}

.metric-card__val {
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--ink);
  line-height: 1;
}

.metric-card__bar {
  display: flex;
  height: 6px;
  border-radius: var(--radius-full);
  overflow: hidden;
  gap: 2px;
  background: var(--surface-3);
}

.metric-bar-seg {
  height: 100%;
  border-radius: 1px;
}

/* Color palettes: Normal vs Protanopia vs Deuteranopia */
.metric-bar-seg--pass { background: #10b981; }
.metric-bar-seg--warning { background: #f59e0b; }
.metric-bar-seg--info { background: #3b82f6; }

.metric-bar-seg--protan-1 { background: #998b42; }
.metric-bar-seg--protan-2 { background: #c69a30; }
.metric-bar-seg--protan-3 { background: #4a8be8; }

.metric-bar-seg--deuter-1 { background: #8e8749; }
.metric-bar-seg--deuter-2 { background: #be9c42; }
.metric-bar-seg--deuter-3 { background: #5885e0; }

.metric-card__legend {
  margin-block-start: auto;
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 8px;
  color: var(--muted);
  font-family: var(--mono);
}

.metric-legend-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  flex-shrink: 0;
}

.metric-legend-dot--pass { background: #10b981; }
.metric-legend-dot--protan { background: #998b42; }
.metric-legend-dot--deuter { background: #8e8749; }

/* ==========================================================================
   Figma Smart Fix Nodes (Card 4: Side-by-side with selection state)
   ========================================================================== */

.figma-fix-stage {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 14px;
}

.figma-frame-wrapper--fix {
  width: 100%;
}

.figma-node--fix-card {
  padding: 16px 14px 14px;
  min-height: 155px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

/* Figma Selection State */
.figma-node--selected {
  outline: 1.5px solid var(--figma-blue);
  outline-offset: 0;
  box-shadow: 0 0 0 3px var(--figma-blue-subtle), 0 4px 20px var(--activity-shadow);
}

.figma-frame-header--selected .figma-frame-badge--selected {
  background: var(--figma-blue);
  color: #ffffff;
  padding: 2px 6px;
  border-radius: 2px;
}

.figma-frame-header--selected .figma-frame-icon {
  color: #ffffff;
  opacity: 1;
}

.figma-frame-header--selected .figma-frame-title {
  color: #ffffff;
}

/* Corner Handles */
.figma-handle {
  position: absolute;
  width: 6px;
  height: 6px;
  background: var(--figma-handle-bg);
  border: 1.5px solid var(--figma-blue);
  border-radius: 1px;
  z-index: 20;
  pointer-events: none;
}

.figma-handle--tl { inset-block-start: -3px; inset-inline-start: -3px; }
.figma-handle--tr { inset-block-start: -3px; inset-inline-end: -3px; }
.figma-handle--bl { inset-block-end: -3px; inset-inline-start: -3px; }
.figma-handle--br { inset-block-end: -3px; inset-inline-end: -3px; }

.figma-layer-tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 8px;
  color: var(--muted);
  margin-block-end: 6px;
  letter-spacing: 0.03em;
}

.figma-layer-tag--selected {
  color: var(--figma-blue);
  font-weight: 600;
}

.fix-heading {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.02em;
  margin-block-end: 4px;
}

.fix-body {
  font-size: 10px;
  line-height: 1.45;
  margin: 0;
}

.fix-body--before {
  color: #94a3b8; /* Unsafe contrast ratio 2.8:1 */
}

.fix-body--after {
  color: #475569; /* Safe accessible contrast ratio 5.4:1 */
}

html[data-theme="dark"] .fix-body--before {
  color: #64748b;
}

html[data-theme="dark"] .fix-body--after {
  color: #cbd5e1;
}

.fix-token-pill {
  margin-block-start: 12px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 6px;
  border-radius: var(--radius-xs);
  border: 1px solid var(--rule);
  background: var(--surface-2);
  font-family: var(--mono);
  font-size: 8px;
}

.token-swatch {
  width: 8px;
  height: 8px;
  border-radius: 2px;
  border: 1px solid rgba(0, 0, 0, 0.15);
}

.fix-token-pill code {
  color: var(--ink);
  font-weight: 600;
}

.fix-token-pill--fail .token-ratio {
  color: var(--activity-fail-ink);
  font-weight: 600;
}

.fix-token-pill--pass .token-ratio {
  color: var(--activity-pass-ink);
  font-weight: 600;
}

/* Connector Between Before & After */
.figma-fix-connector {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  user-select: none;
}

.figma-fix-connector__badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 7px;
  border-radius: var(--radius-full);
  background: var(--figma-blue);
  color: #ffffff;
  font-family: var(--mono);
  font-size: 8px;
  font-weight: 600;
  white-space: nowrap;
  box-shadow: 0 2px 8px rgba(13, 153, 255, 0.3);
}

.figma-fix-connector__badge svg {
  flex-shrink: 0;
}
.section, .faq { padding: 72px 0; }
h2 { font-size: 36px; line-height: 1.15; font-weight: 500; letter-spacing: -.045em; }
.section-heading { display: grid; grid-template-columns: 1fr 1fr; column-gap: 64px; }
.section-heading .eyebrow { grid-column: 1 / -1; margin-bottom: 22px; }
.section-heading > p:last-child { align-self: end; color: var(--muted); font-size: 14px; }
.features { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; margin-top: 44px; }
.feature-symbol { display: block; font-size: 24px; line-height: 1; margin-bottom: 26px; }
.number { font-family: var(--mono); font-size: 9px; color: var(--muted); letter-spacing: .06em; }
h3 { font-size: 17px; font-weight: 500; letter-spacing: -.02em; }
.features h3 { margin: 8px 0 12px; }
.features p { color: var(--muted); font-size: 14px; line-height: 1.7; }
.scope-note { margin-top: 32px; padding-top: 20px; border-top: 1px solid var(--rule); font-size: 12px; color: var(--muted); }
.contrast-story { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; padding: 44px; background: var(--surface); margin-bottom: 72px; }
.contrast-copy .eyebrow { font-size: 9px; margin-bottom: 24px; }
.contrast-copy h2 { font-size: 32px; }
.contrast-copy > p:not(.eyebrow) { margin: 20px 0 12px; font-size: 14px; color: var(--muted); max-width: 340px; line-height: 1.75; }
.comparison { background: var(--paper); border: 1px solid var(--rule); }
.comparison-sample { padding: 22px 26px; }
.comparison-sample + .comparison-sample { border-top: 1px solid var(--rule); }
.comparison-label { display: flex; justify-content: space-between; align-items: center; gap: 12px; font-family: var(--mono); font-size: 9px; color: var(--muted); }
.comparison-sample p { font-size: 28px; font-weight: 400; letter-spacing: -.04em; margin: 12px 0 8px; }
.before-text { color: #aaa; }.after-text { color: #767676; }
.hex { font-family: var(--mono); font-size: 9px; color: var(--muted); }
.plans { display: grid; grid-template-columns: 1fr 1fr; margin-top: 36px; border: 1px solid var(--rule); border-radius: var(--radius-md); overflow: hidden; }
.plan { padding: 32px; display: flex; flex-direction: column; align-items: flex-start; }
.plan + .plan { border-left: 1px solid var(--rule); background: var(--surface-3); }
.plan-title { display: flex; align-items: center; justify-content: space-between; gap: 12px; width: 100%; }
.plan-title span { font-family: var(--mono); font-size: 8px; letter-spacing: .04em; color: var(--muted); }
.price { margin-top: 20px; font-size: 48px; font-weight: 500; letter-spacing: -.05em; }
.price span { display: inline-block; font-size: 12px; color: var(--muted); font-weight: 400; letter-spacing: 0; margin-left: 8px; }
.plan ul { margin: 24px 0 32px; padding: 0; list-style: none; font-size: 14px; color: var(--muted); }
.plan li::before { content: '✓'; margin-right: 10px; color: var(--pass-ink); }
.plan li + li { margin-top: 10px; }
.plan .button { margin-top: auto; width: 100%; }
.faq { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; }
.faq .section-heading { display: block; }
.faq .section-heading > p:last-child { margin-top: 20px; }
.faq .section-heading a { font-size: 13px; }
details { border-bottom: 1px solid var(--rule); }
details:first-child { border-top: 1px solid var(--rule); }
summary { padding: 18px 24px 18px 0; cursor: pointer; font-size: 13px; font-weight: 500; position: relative; list-style: none; transition: color .15s ease; }
summary:hover { color: var(--ink); }
summary::-webkit-details-marker { display: none; }
summary::after { content: '+'; position: absolute; right: 0; font-size: 17px; top: 14px; color: var(--muted); }
details[open] summary::after { content: '−'; }
details p { padding: 0 0 20px; color: var(--muted); font-size: 14px; line-height: 1.75; }
@media (prefers-reduced-motion: no-preference) {
  details[open] p { animation: faq-reveal .3s cubic-bezier(.16, 1, .3, 1); }
}
@keyframes faq-reveal {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}
/* ─── Expanded Unified Footer Styles ─── */
.site-footer-expanded { border-top: 1px solid var(--rule); background: var(--surface-2); padding: 80px 0 44px; margin-top: 64px; }
.footer-cta-block { display: grid; grid-template-columns: 1.5fr 1fr; gap: 48px; align-items: end; padding-bottom: 64px; border-bottom: 1px solid var(--rule); }
.footer-cta-title { font-size: clamp(34px, 4.5vw, 52px); font-weight: 500; line-height: 1.1; letter-spacing: -.055em; margin-top: 12px; }
.footer-cta-desc { font-size: 14px; color: var(--muted); line-height: 1.7; max-width: 460px; margin-top: 14px; }
.footer-cta-actions { display: flex; flex-wrap: wrap; gap: 14px; justify-content: flex-end; }
.footer-nav-grid { display: grid; grid-template-columns: 2fr 1.1fr 1.1fr 1.2fr; gap: 40px; padding: 48px 0; border-bottom: 1px solid var(--rule); font-size: 13px; }
.footer-tagline { font-size: 13px; color: var(--muted); line-height: 1.7; margin-top: 14px; max-width: 250px; }
.footer-col-title { font-family: var(--mono); font-size: 10px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); display: block; margin-bottom: 16px; }
.footer-links { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-links a { color: var(--muted); text-decoration: none; font-size: 13px; display: inline-flex; align-items: center; gap: 6px; }
.footer-links a:hover { color: var(--ink); text-decoration: underline; }
.footer-status-pill { display: inline-flex; align-items: center; gap: 6px; font-family: var(--mono); font-size: 10px; color: var(--pass-ink); background: var(--pass-bg); border: 1px solid var(--pass-border); padding: 3px 8px; border-radius: var(--radius-full); }
.footer-bottom-bar { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; padding-top: 28px; font-size: 12px; color: var(--muted); }
.footer-disclaimer { font-size: 11px; color: var(--muted); margin: 0; }

.features-grid-wrapper.compact .feature-card { padding: 22px 20px; }
.features-grid-wrapper.compact .feature-card-desc { margin-bottom: 16px; }
.features-grid-wrapper.compact .feature-card-top { margin-bottom: 14px; }

/* Product capability mosaic — bento of real TintSense captures */
.capability-mosaic-section { padding-block: 96px 112px; }
.capability-mosaic__heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  justify-items: center;
  gap: 16px;
  text-align: center;
}
.capability-mosaic__heading h2 {
  max-width: 16ch;
  overflow-wrap: anywhere;
  min-width: 0;
  font-size: clamp(40px, 5.4vw, 64px);
  font-style: normal;
  font-weight: 650;
  line-height: 1.04;
  letter-spacing: -.05em;
}
.capability-mosaic__heading > p:last-child {
  max-width: 46ch;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}

.capability-mosaic {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr) minmax(0, 1fr);
  grid-template-rows: minmax(240px, auto) minmax(240px, auto);
  gap: var(--capability-gap);
  margin-block-start: 56px;
}
.capability-cell {
  position: relative;
  min-width: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--surface);
  color: var(--ink);
  text-decoration: none;
  isolation: isolate;
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
}
.capability-cell:hover { text-decoration: none; }
.capability-cell:active { background: var(--surface-2); }
.capability-cell:focus-visible {
  z-index: 2;
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}
.capability-cell--tall {
  grid-column: 1;
  grid-row: 1 / 3;
  min-height: 560px;
}
.capability-cell--stat {
  grid-column: 2;
  grid-row: 1;
  justify-content: flex-end;
  min-height: 260px;
}
.capability-cell--canvas {
  grid-column: 3;
  grid-row: 1;
  min-height: 260px;
}
.capability-cell--wide {
  grid-column: 2 / 4;
  grid-row: 2;
  flex-direction: row;
  align-items: stretch;
  min-height: 280px;
}
.capability-cell__copy {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 28px 28px 12px;
}
.capability-cell--stat .capability-cell__copy,
.capability-cell--canvas .capability-cell__copy {
  padding: 24px 26px 28px;
}
.capability-cell--wide .capability-cell__copy {
  flex: 1 1 46%;
  justify-content: center;
  padding: 32px 12px 32px 32px;
}
.capability-cell__copy h3 {
  overflow-wrap: anywhere;
  min-width: 0;
  font-size: 22px;
  font-style: normal;
  font-weight: 650;
  line-height: 1.2;
  letter-spacing: -.03em;
}
.capability-cell__copy p {
  max-width: 36ch;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}
.capability-cell__copy .capability-kicker {
  margin: 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.capability-cell__copy .capability-stat {
  margin: 4px 0 8px;
  max-width: none;
  overflow-wrap: anywhere;
  min-width: 0;
  color: var(--ink);
  font-size: clamp(56px, 6vw, 84px);
  font-style: normal;
  font-weight: 650;
  line-height: .9;
  letter-spacing: -.06em;
}
.capability-cell__media {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 8px;
  flex: 1 1 auto;
  min-height: 0;
  min-width: 0;
  padding: 8px 22px 24px;
}
.capability-cell--stat .capability-cell__media--inline {
  flex: 0 0 auto;
  justify-content: flex-start;
  padding-block-start: 0;
}
.capability-cell--canvas .capability-cell__media {
  justify-content: flex-start;
  padding-block: 22px 8px;
}
.capability-cell--wide .capability-cell__media {
  flex: 1 1 54%;
  justify-content: center;
  padding: 28px 28px 28px 8px;
}
.cap-piece {
  min-width: 0;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: var(--radius-sm);
  box-shadow: 0 10px 24px var(--activity-shadow);
  transition: transform .42s cubic-bezier(.16, 1, .3, 1);
}
.cap-piece--score {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
}
.cap-piece--score span { color: var(--muted); font-size: 11px; }
.cap-piece--score b { display: block; margin-block-start: 2px; font-size: 13px; }
.cap-grade {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  color: var(--paper);
  font-size: 12px;
  font-weight: 800;
}
.cap-grade--a { background: var(--activity-pass-ink); }
.cap-grade--c { background: var(--activity-warning-ink); }
.cap-grade--d { background: var(--activity-fail-ink); }
.cap-piece--frame { padding: 12px 14px; }
.cap-frame-top {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}
.cap-frame-name {
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  font-size: 13px;
  font-weight: 650;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.cap-pill {
  flex-shrink: 0;
  padding: 2px 7px;
  border-radius: var(--radius-full);
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 700;
}
.cap-pill--pass { color: var(--activity-pass-ink); background: var(--activity-pass-bg); border: 1px solid var(--activity-pass-border); }
.cap-pill--fail { color: var(--activity-fail-ink); background: var(--activity-fail-bg); border: 1px solid var(--activity-fail-border); }
.cap-bar {
  height: 4px;
  margin-block-start: 10px;
  overflow: hidden;
  background: var(--surface);
  border-radius: var(--radius-full);
}
.cap-bar i {
  display: block;
  height: 100%;
  background: var(--activity-pass-ink);
  border-radius: var(--radius-full);
}
.cap-bar--mixed i { background: linear-gradient(90deg, var(--activity-fail-ink), var(--activity-pass-ink)); }
.cap-piece--swatch {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 12px 14px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
}
.cap-swatch {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  border: 1px solid var(--rule);
  border-radius: var(--radius-xs);
}
.cap-swatch--paper { background: #ffffff; }
.cap-piece--vision {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  font-size: 12px;
  font-weight: 650;
}
.cap-piece--vision b { font-family: var(--mono); font-size: 11px; }
.cap-piece--vision em { font-family: var(--mono); font-size: 9px; font-style: normal; font-weight: 700; text-transform: uppercase; }
.cap-piece--vision.is-risk { color: var(--activity-fail-ink); background: var(--activity-fail-bg); border-color: var(--activity-fail-border); }
.cap-piece--vision.is-safe { color: var(--activity-pass-ink); background: var(--activity-pass-bg); border-color: var(--activity-pass-border); }
.cap-piece--fix { padding: 16px; }
.cap-fix-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-size: 12px;
  font-weight: 650;
}
.cap-fix-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-block: 14px 16px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
}
.cap-fix-arrow { color: var(--muted); }
.cap-apply {
  display: block;
  padding: 10px 12px;
  color: var(--paper);
  background: var(--activity-pass-ink);
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 650;
  text-align: center;
}
@media (hover: hover) and (pointer: fine) {
  .capability-cell:hover .cap-piece { transform: translateY(-4px); }
}
.capability-mosaic__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-block-start: 28px;
}
.capability-mosaic__footer .scope-note {
  max-width: 54ch;
  margin: 0;
  padding: 0;
  border: 0;
  text-align: end;
}

/* ─── Feature Catalog & Detail Page Styles ─── */
.badge-free, .badge-pro { display: inline-flex; align-items: center; padding: 2px 7px; border-radius: var(--radius-xs); font-family: var(--mono); font-size: 9px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; }
.badge-free { background: var(--pass-bg); color: var(--pass-ink); border: 1px solid var(--pass-border); }
.badge-pro { background: var(--ink); color: var(--paper); border: 1px solid var(--ink); }
.pill-category { font-family: var(--mono); font-size: 9px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }

.features-grid-wrapper { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 40px; }
.feature-card { border: 1px solid var(--rule); border-radius: var(--radius-md); padding: 26px 24px; background: var(--paper); display: flex; flex-direction: column; transition: transform .15s ease, border-color .15s ease, box-shadow .15s ease; text-decoration: none; color: inherit; position: relative; }
.feature-card:hover { transform: translateY(-2px); border-color: var(--rule-strong); box-shadow: 0 6px 16px var(--activity-shadow); text-decoration: none; }
.feature-card:active { transform: translateY(0); }
.feature-card-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; }
.feature-card .feature-symbol { font-size: 20px; line-height: 1; margin-bottom: 0; color: var(--ink); }
.feature-card-title { font-size: 18px; font-weight: 550; letter-spacing: -.03em; margin: 0 0 10px; line-height: 1.25; }
.feature-card-desc { font-size: 13px; color: var(--muted); line-height: 1.6; margin-bottom: 20px; flex-grow: 1; }
.feature-card-highlights { list-style: none; margin: 0 0 20px; padding: 14px 0 0; border-top: 1px solid var(--rule); font-size: 11px; color: var(--muted); }
.feature-card-highlights li { display: flex; align-items: flex-start; gap: 8px; line-height: 1.5; }
.feature-card-highlights li + li { margin-top: 7px; }
.feature-card-highlights li::before { content: '•'; color: var(--muted); font-weight: bold; }
.feature-card-link { margin-top: auto; font-size: 12px; font-weight: 600; color: var(--ink); display: inline-flex; align-items: center; gap: 6px; text-decoration: none; }
.feature-card-link:hover, .feature-card:hover .feature-card-link { text-decoration: underline; }
.feature-card-link .icon-right { transition: transform .15s ease; }
.feature-card:hover .feature-card-link .icon-right { transform: translateX(3px); }

/* Breadcrumbs */
.breadcrumbs { display: flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: 11px; color: var(--muted); margin-top: 36px; padding-bottom: 16px; border-bottom: 1px solid var(--rule); }
.breadcrumbs a { text-decoration: none; color: var(--muted); }
.breadcrumbs a:hover { color: var(--ink); text-decoration: underline; }
.breadcrumbs span[aria-hidden] { color: var(--muted); }

/* Feature Detail Page */
.feature-detail { padding-bottom: 96px; }
.feature-hero { padding: 40px 0 44px; border-bottom: 1px solid var(--rule); }
.feature-hero-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.feature-hero-title { font-size: clamp(34px, 4.8vw, 54px); font-weight: 500; line-height: 1.1; letter-spacing: -.055em; margin-bottom: 18px; }
.feature-hero-lede { font-size: 18px; line-height: 1.6; color: var(--muted); max-width: 780px; }

.feature-grid-layout { display: grid; grid-template-columns: 2fr 1fr; gap: 64px; margin-top: 48px; align-items: start; }
.feature-content h2 { font-size: 24px; font-weight: 550; letter-spacing: -.03em; margin: 36px 0 14px; }
.feature-content h2:first-child { margin-top: 0; }
.feature-content h3 { font-size: 17px; font-weight: 600; margin: 24px 0 10px; }
.feature-content p { font-size: 15px; color: var(--ink); line-height: 1.75; margin-bottom: 18px; }
.feature-content ul, .feature-content ol { margin: 0 0 24px 20px; padding: 0; color: var(--ink); font-size: 14px; line-height: 1.8; }
.feature-content li + li { margin-top: 6px; }

.tech-callout { background: var(--surface); border: 1px solid var(--rule); border-left: 3px solid var(--ink); border-radius: var(--radius-xs); padding: 20px 24px; margin: 28px 0; }
.tech-callout-title { font-family: var(--mono); font-size: 10px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; }
.tech-callout p { font-size: 13px; margin: 0; color: var(--ink); line-height: 1.65; }

.feature-interactive-box { background: var(--paper); border: 1px solid var(--rule); border-radius: var(--radius-md); padding: 28px; margin: 28px 0; }
.box-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; padding-bottom: 12px; border-bottom: 1px solid var(--rule); font-family: var(--mono); font-size: 10px; color: var(--muted); }

.spec-sidebar { display: flex; flex-direction: column; gap: 24px; position: sticky; top: 32px; }
.spec-box { background: var(--surface-2); border: 1px solid var(--rule); border-radius: var(--radius-md); padding: 24px; }
.spec-box-title { font-family: var(--mono); font-size: 10px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-bottom: 16px; padding-bottom: 8px; border-bottom: 1px solid var(--rule); }
.spec-item { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; font-size: 12px; padding: 8px 0; border-bottom: 1px dashed var(--rule); }
.spec-item:last-child { border-bottom: none; }
.spec-item dt { color: var(--muted); font-size: 11px; }
.spec-item dd { font-family: var(--mono); font-size: 11px; font-weight: 500; text-align: right; }

.cta-sidebar-card { background: var(--paper); border: 1px solid var(--rule); border-radius: var(--radius-md); padding: 24px; text-align: center; }
.cta-sidebar-card h3 { font-size: 17px; margin-bottom: 8px; }
.cta-sidebar-card p { font-size: 12px; color: var(--muted); margin-bottom: 18px; }
.cta-sidebar-card .button { width: 100%; }

.feature-nav-footer { margin-top: 64px; padding-top: 36px; border-top: 1px solid var(--rule); display: flex; justify-content: space-between; align-items: center; gap: 20px; }
.nav-link-block { display: flex; flex-direction: column; gap: 4px; text-decoration: none; }
.nav-link-block.right { text-align: right; }
.nav-link-label { font-family: var(--mono); font-size: 9px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.nav-link-title { font-size: 15px; font-weight: 550; color: var(--ink); }
.nav-link-block:hover .nav-link-title { text-decoration: underline; }

/* Directory index layout */
.catalog-header { padding: 56px 0 40px; border-bottom: 1px solid var(--rule); }
.catalog-header h1 { font-size: clamp(38px, 5vw, 60px); font-weight: 500; line-height: 1.1; letter-spacing: -.055em; margin-top: 12px; }
.catalog-header p { font-size: 16px; color: var(--muted); max-width: 620px; margin-top: 14px; }
.catalog-filter-bar { display: flex; flex-wrap: wrap; gap: 12px; margin: 32px 0 16px; font-family: var(--mono); font-size: 11px; }
.filter-tag { padding: 6px 14px; border: 1px solid var(--rule); border-radius: var(--radius-xs); text-decoration: none; color: var(--muted); }
.filter-tag:hover, .filter-tag.active { border-color: var(--ink); color: var(--ink); background: var(--surface); text-decoration: none; }

@media (max-width: 1000px) {
  .hero-layout { grid-template-columns: 1fr; gap: 24px; }
  .features-grid-wrapper { grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .feature-grid-layout { grid-template-columns: 1fr; gap: 40px; }
  .spec-sidebar { position: static; }
  .hero-copy { display: grid; grid-template-columns: 1fr 1fr; gap: 0 24px; }
  .actions { margin-top: 0; align-content: center; justify-content: flex-end; }
  .note { grid-column: 2; text-align: right; }
  .canvas { padding: 32px 28px 20px; }
  .sample-card { padding: 28px 24px 24px; }
  .sample-title { font-size: 32px; }
  .sample-label span:last-child { display: none; }
  .features { grid-template-columns: 1fr 1fr; gap: 36px; }
  .feature-symbol { margin-bottom: 16px; }
  .contrast-story { gap: 32px; padding: 32px; }
  .comparison-sample { padding: 22px; }
  .comparison-sample p { font-size: 24px; }
  .footer-cta-block { grid-template-columns: 1fr; gap: 28px; }
  .footer-cta-actions { justify-content: flex-start; }
  .footer-nav-grid { grid-template-columns: 1.5fr 1fr 1fr; gap: 32px; }
  .engine-experience__demo { grid-template-columns: 1fr; }
  .engine-experience__controls { border-inline-end: 0; border-block-end: 1px solid var(--rule); }
  .engine-experience__pipeline { grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(0, 1fr); }
  .engine-cinema__canvas { min-height: clamp(300px, 38svh, 380px); }
  .live-activity { grid-template-columns: minmax(0, 1fr) minmax(190px, 30%); min-height: 470px; }
  .live-activity__canvas { padding-inline: 36px; }
  .figma-canvas-stage,
  .figma-vision-grid,
  .figma-fix-stage { width: 100%; }
  .figma-ui-title { font-size: 18px; }
  .capability-mosaic {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    grid-template-rows: auto;
  }
  .capability-cell--tall { grid-column: 1; grid-row: 1 / 3; min-height: 520px; }
  .capability-cell--stat { grid-column: 2; grid-row: 1; }
  .capability-cell--canvas { grid-column: 2; grid-row: 2; }
  .capability-cell--wide { grid-column: 1 / -1; grid-row: 3; min-height: 240px; }
}
@media (max-width: 700px) {
  .wrap { width: calc(100% - 40px); }
  .features-grid-wrapper { grid-template-columns: 1fr; }
  .feature-nav-footer { flex-direction: column; align-items: flex-start; gap: 20px; }
  .nav-link-block.right { text-align: left; }
  .site-header { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; min-height: auto; padding-inline: 20px; padding-block: 16px 12px; gap: 12px; }
  .theme-switch__opt { width: 32px; }
  .site-header.is-scrolled { padding-inline: 16px; }
  .nav-pill { order: 3; width: 100%; justify-content: center; margin-top: 4px; }
  .hero-viewport { min-height: auto; padding-top: 24px; padding-bottom: 32px; }
  .hero-middle-canvas { min-height: 220px; height: 260px; margin-block: 16px; }
  .wordmark { font-size: 19px; }
  .hero-layout { margin-top: 20px; }
  h1 { font-size: clamp(38px, 8.5vw, 58px); }
  .hero-copy { display: block; }
  .intro { font-size: 15px; }
  .actions { justify-content: flex-start; margin-top: 20px; }
  .note { text-align: left; }
  .capability-strip { justify-content: flex-start; gap: 10px 18px; font-size: 10px; padding-block: 20px; }
  .section, .faq { padding-block: 44px; }
  .section-heading { grid-template-columns: 1fr; gap: 16px; }
  .section-heading .eyebrow { margin-bottom: 0; }
  h2 { font-size: 32px; }
  .section-heading > p:last-child { font-size: 13px; }
  .features { margin-top: 32px; gap: 30px 22px; }
  .engine-experience { padding-block: 56px 64px; }
  .engine-experience__intro { grid-template-columns: 1fr; gap: 16px; }
  .engine-experience__intro .eyebrow { grid-column: auto; }
  .engine-experience__demo { margin-block-start: 32px; }
  .engine-experience__controls,
  .engine-experience__pipeline { padding: 20px; }
  .engine-experience__pipeline { grid-template-columns: minmax(0, 1fr); gap: 10px; }
  .engine-step__connector { justify-self: center; transform: rotate(90deg); }
  .engine-cinema { margin-block-start: 32px; }
  .engine-cinema__stage { min-height: 0; padding-block: 20px; }
  .engine-cinema__canvas { min-height: 340px; }
  .engine-cinema__map { height: auto; }
  .engine-cinema__story { position: relative; height: auto; min-height: 280px; margin-block-start: 36px; }
  .engine-scene h3 { max-width: 15ch; font-size: 30px; margin-block-start: 12px; }
  .engine-scene p { max-width: 38ch; margin-block-start: 20px; }
  .features h3 { font-size: 16px; }
  .features p { font-size: 12px; }
  .contrast-story { grid-template-columns: 1fr; padding: 26px 22px; margin-bottom: 44px; }
  .comparison-sample p { font-size: 28px; }
  .plans { grid-template-columns: 1fr; }
  .plan { padding: 26px; }
  .plan + .plan { border-left: 0; border-top: 1px solid var(--rule); }
  .faq { grid-template-columns: 1fr; gap: 28px; }
  .faq .section-heading .eyebrow { margin-bottom: 20px; }
  .footer-cta-block { padding-bottom: 40px; }
  .footer-nav-grid { grid-template-columns: 1fr; gap: 28px; padding-block: 36px; }
  .footer-bottom-bar { flex-direction: column; align-items: flex-start; gap: 8px; }
  .live-activities { padding-block: 56px 64px; }
  .live-activities__scroll-note { margin-block: 24px -16px; }
  .live-activities__stack { margin-block-start: 32px; gap: 16px; padding-bottom: 22px; }
  .live-activity,
  .live-activity:nth-child(n) { --activity-shift: 0px; grid-template-columns: minmax(0, 1fr); min-height: 690px; }
  .live-activity { flex-basis: calc(100vw - 56px); }
  .live-activity + .live-activity { margin-block-start: 0; }
  .live-activity__canvas { min-height: 392px; padding: 56px 32px 88px; }
  .live-activity__plugin-slot { position: absolute; inset-inline-end: 16px; inset-block-end: 64px; width: 132px; margin-block-end: 0; }
  .live-activity__plugin { max-height: none; }
  .live-activity figcaption { align-items: flex-start; flex-direction: column; gap: 4px; padding: 12px 16px; }
  .figma-canvas-stage,
  .figma-vision-grid,
  .figma-fix-stage { width: calc(100% - 100px); margin-inline-end: auto; }
  .figma-node--hero { padding: 12px 14px 16px; }
  .figma-ui-title { font-size: 15px; }
  .figma-ui-links { display: none; }
  .figma-ui-subtitle { font-size: 10px; max-width: 22ch; }
  .live-activity--badges .figma-ui-cta-wrap .node-badge--warning { position: static; margin-block-start: 6px; }
  .figma-vision-grid { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .figma-node--metric { min-height: auto; padding: 10px 12px; }
  .figma-fix-stage { grid-template-columns: minmax(0, 1fr); gap: 10px; }
  .figma-fix-connector { transform: rotate(90deg); margin-block: 4px; }
  .figma-node--fix-card { min-height: 120px; padding: 12px; }
  .capability-mosaic__heading h2 { font-size: 38px; }
  .capability-mosaic {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto;
    margin-block-start: 32px;
  }
  .capability-cell--tall,
  .capability-cell--stat,
  .capability-cell--canvas,
  .capability-cell--wide {
    grid-column: 1;
    grid-row: auto;
    min-height: 0;
  }
  .capability-cell--tall { min-height: 460px; }
  .capability-cell--wide { flex-direction: column; min-height: 0; }
  .capability-cell--wide .capability-cell__copy { padding: 24px 24px 8px; }
  .capability-cell--wide .capability-cell__media { padding: 8px 22px 22px; }
  .capability-cell__copy { padding: 22px 22px 8px; }
  .capability-cell__copy h3 { font-size: 20px; }
  .capability-cell__copy .capability-stat { font-size: 56px; }
  .capability-cell__media { padding-inline: 16px; }
  .capability-mosaic__footer { align-items: flex-start; flex-direction: column; }
  .capability-mosaic__footer .scope-note { text-align: start; }
}
@media (prefers-reduced-motion: reduce) {
  .cap-piece { transition: none; }
  .capability-cell:hover .cap-piece { transform: none; }
  .engine-cinema__stage { min-height: 0; }
  .engine-cinema__progress { display: none; }
  .engine-cinema__story { position: static; height: auto; margin-block-start: 32px; }
  .engine-scene { position: static; padding-block: 24px; }
  .engine-scene + .engine-scene { border-top: 1px solid var(--rule); }
  .engine-map__signals { opacity: 1; }
  .engine-map__calculation, .engine-map__decision { opacity: 1; }
  .live-activities__pin { overflow: hidden; }
  .live-activities__stage { overflow-x: auto; }
  .live-activities__stack { overflow-x: auto; scroll-snap-type: x proximity; }
  .live-activity { scroll-snap-align: start; }
}
@media (max-width: 370px) {
  .wrap { width: calc(100% - 32px); }
  .site-header { flex-wrap: wrap; gap: 0; padding-block: 16px 8px; }
  .site-header nav { width: 100%; }
  .features { grid-template-columns: 1fr; }
  .sample-title { font-size: 30px; }
  .sample-description br { display: none; }
  .plan { padding: 22px; }
}

/* ==========================================================================
   Comparison Hub & Guides
   ========================================================================== */

.comparison-table-wrapper {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--rule);
  border-radius: var(--radius-md);
  background: var(--paper);
  margin: 32px 0 40px;
  -webkit-overflow-scrolling: touch;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 13px;
  line-height: 1.5;
}

.comparison-table th,
.comparison-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--rule);
  vertical-align: middle;
}

.comparison-table th {
  background: var(--surface-2);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--muted);
  position: sticky;
  top: 0;
}

.comparison-table th.col-highlight,
.comparison-table td.col-highlight {
  background: var(--hover-fill);
  font-weight: 600;
}

.comparison-table tr:last-child td {
  border-bottom: none;
}

.comparison-table .feature-name {
  font-weight: 550;
  color: var(--ink);
  min-width: 180px;
}

.comparison-table .feature-desc-sub {
  display: block;
  font-size: 11px;
  color: var(--muted);
  font-weight: 400;
  margin-top: 2px;
}

.comparison-table .val-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--mono);
  font-size: 11px;
}

.comparison-table .val-tag.pass {
  color: var(--pass-ink);
}

.comparison-table .val-tag.fail {
  color: var(--fail-ink);
}

.comparison-table .badge-brand {
  display: inline-block;
  padding: 2px 6px;
  background: var(--brand-dot);
  color: #ffffff;
  border-radius: var(--radius-xs);
  font-size: 10px;
  font-weight: 700;
  margin-left: 6px;
  vertical-align: middle;
}

.compare-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin: 32px 0 48px;
}

.compare-guide-card {
  border: 1px solid var(--rule);
  border-radius: var(--radius-md);
  padding: 24px;
  background: var(--paper);
  display: flex;
  flex-direction: column;
  transition: transform .15s ease, border-color .15s ease, box-shadow .15s ease;
  text-decoration: none;
  color: inherit;
}

.compare-guide-card:hover {
  transform: translateY(-2px);
  border-color: var(--rule-strong);
  box-shadow: 0 6px 16px var(--activity-shadow);
  text-decoration: none;
}

.compare-guide-card .card-kicker {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 10px;
}

.compare-guide-card h3 {
  font-size: 17px;
  font-weight: 550;
  margin: 0 0 10px;
  line-height: 1.3;
}

.compare-guide-card p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
  margin: 0 0 18px;
  flex-grow: 1;
}

.compare-guide-card .read-link {
  font-size: 12px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
}

/* ==========================================================================
   Free Web Contrast Checker Tool
   ========================================================================== */

.contrast-tool-wrapper {
  margin: 36px 0 64px;
}

.contrast-tool-card {
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 30px var(--activity-shadow);
  overflow: hidden;
}

.contrast-inputs-panel {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 20px;
  align-items: center;
  padding: 28px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--rule);
}

@media (max-width: 640px) {
  .contrast-inputs-panel {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

.color-input-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.color-input-field label {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--muted);
}

.color-picker-box {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  transition: border-color .15s ease;
}

.color-picker-box:focus-within {
  border-color: var(--ink);
}

.color-swatch-input {
  width: 32px;
  height: 32px;
  border: 1px solid rgba(0, 0, 0, 0.15);
  border-radius: var(--radius-xs);
  cursor: pointer;
  padding: 0;
  background: none;
  flex-shrink: 0;
}

.color-swatch-input::-webkit-color-swatch-wrapper {
  padding: 0;
}

.color-swatch-input::-webkit-color-swatch {
  border: none;
  border-radius: var(--radius-xs);
}

.color-text-input {
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  background: transparent;
  border: none;
  outline: none;
  width: 100%;
  text-transform: uppercase;
}

.color-lum-label {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--muted);
}

.swap-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  border: 1px solid var(--rule);
  background: var(--paper);
  color: var(--ink);
  cursor: pointer;
  transition: transform .15s ease, background .15s ease;
  font-size: 16px;
}

.swap-btn:hover {
  background: var(--surface);
  transform: rotate(180deg);
}

.presets-container {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  padding: 12px 28px;
  background: var(--surface-3);
  border-bottom: 1px solid var(--rule);
  font-size: 12px;
}

.preset-chip {
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: var(--radius-full);
  padding: 4px 10px;
  font-size: 11px;
  font-family: var(--mono);
  cursor: pointer;
  color: var(--muted);
  transition: all .15s ease;
}

.preset-chip:hover {
  border-color: var(--ink);
  color: var(--ink);
}

.contrast-results-panel {
  padding: 32px 28px;
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 36px;
  align-items: center;
}

@media (max-width: 800px) {
  .contrast-results-panel {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

.ratio-display-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px;
  border-radius: var(--radius-md);
  border: 2px solid var(--rule);
  background: var(--surface-2);
  transition: all .2s ease;
}

.ratio-display-box.pass {
  border-color: var(--pass-border);
  background: var(--pass-bg);
}

.ratio-display-box.fail {
  border-color: var(--fail-border);
  background: var(--fail-bg);
}

.ratio-number {
  font-size: 44px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.03em;
  font-family: var(--mono);
  color: var(--ink);
}

.ratio-status-pill {
  margin-top: 10px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

.ratio-display-box.pass .ratio-status-pill {
  background: var(--pass-border);
  color: var(--pass-ink);
}

.ratio-display-box.fail .ratio-status-pill {
  background: var(--fail-border);
  color: var(--fail-ink);
}

.compliance-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
}

.compliance-item {
  border: 1px solid var(--rule);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  background: var(--paper);
}

.compliance-title {
  font-size: 11px;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 2px;
}

.compliance-req {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--muted);
  margin-bottom: 8px;
}

.compliance-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: var(--radius-xs);
}

.compliance-badge.pass {
  background: var(--pass-bg);
  color: var(--pass-ink);
  border: 1px solid var(--pass-border);
}

.compliance-badge.fail {
  background: var(--fail-bg);
  color: var(--fail-ink);
  border: 1px solid var(--fail-border);
}

.preview-stage {
  padding: 32px;
  border-radius: var(--radius-md);
  margin: 0 28px 28px;
  border: 1px solid var(--rule);
  transition: background-color .15s ease, color .15s ease;
}

.preview-stage h3 {
  font-size: 26px;
  font-weight: 600;
  line-height: 1.25;
  margin: 0 0 10px;
}

.preview-stage p {
  font-size: 15px;
  line-height: 1.6;
  margin: 0 0 16px;
}

.preview-stage .preview-small {
  font-size: 12px;
  font-weight: 500;
  opacity: .85;
}

/* Bulk Scan Figma Magnet Callout */
.bulk-scan-magnet {
  background: linear-gradient(135deg, var(--surface-2) 0%, var(--surface-3) 100%);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  margin-top: 36px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 32px;
  align-items: center;
  position: relative;
  overflow: hidden;
}

@media (max-width: 800px) {
  .bulk-scan-magnet {
    grid-template-columns: 1fr;
    padding: 28px 24px;
    gap: 24px;
  }
}

.bulk-scan-magnet::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #63bf4e, #0d99ff);
}

.magnet-kicker {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--figma-blue);
  font-weight: 700;
  margin-bottom: 8px;
}

.magnet-title {
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -.03em;
  line-height: 1.25;
  margin: 0 0 10px;
}

.magnet-desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
  max-width: 620px;
  margin: 0 0 16px;
}

.magnet-bullets {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 12px;
  color: var(--ink);
  font-weight: 500;
  list-style: none;
  padding: 0;
  margin: 0;
}

.magnet-bullets li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.magnet-bullets li::before {
  content: '✓';
  color: var(--brand-dot);
  font-weight: bold;
}

.magnet-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 200px;
}

/* Blog Card Grid */
.blog-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
  margin: 36px 0 56px;
}

.blog-card {
  border: 1px solid var(--rule);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  background: var(--paper);
  display: flex;
  flex-direction: column;
  transition: transform .15s ease, border-color .15s ease, box-shadow .15s ease;
  text-decoration: none;
  color: inherit;
}

.blog-card:hover {
  transform: translateY(-2px);
  border-color: var(--rule-strong);
  box-shadow: 0 6px 16px var(--activity-shadow);
  text-decoration: none;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.blog-card-meta .pill-category {
  font-size: 11px;
}

.blog-card-date {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
}

.blog-card-title {
  font-size: 19px;
  font-weight: 550;
  line-height: 1.3;
  margin: 0 0 12px;
  letter-spacing: -.02em;
}

.blog-card-desc {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
  margin: 0 0 20px;
  flex-grow: 1;
}

.blog-card-cta {
  font-size: 12px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--ink);
  margin-top: auto;
}

/* Blog Cover Images */
.blog-hero-cover-wrapper {
  margin: 32px 0 44px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--rule);
  background: var(--surface-2);
  box-shadow: 0 12px 32px var(--activity-shadow);
}

.blog-hero-cover-image {
  width: 100%;
  height: auto;
  aspect-ratio: 1200 / 630;
  display: block;
  object-fit: cover;
}

.blog-card-cover-wrapper {
  width: 100%;
  aspect-ratio: 1200 / 630;
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: 20px;
  background: var(--surface-2);
  border: 1px solid var(--rule);
}

.blog-card-cover-image {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  transition: transform .25s ease;
}

.blog-card:hover .blog-card-cover-image {
  transform: scale(1.02);
}