:root {
  --ink: #12182f;
  --ink-soft: #545d75;
  --line: #dfe4ec;
  --purple: #5147ff;
  --purple-soft: #eeeaff;
  --green: #16875f;
  --green-bright: #4acb91;
  --green-soft: #e7f5ee;
  --coral: #f36f68;
  --surface: #f7f9fc;
  --white: #ffffff;
  --page-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background: var(--white);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

body.page-leaving {
  opacity: 0;
  transition: opacity 140ms ease;
}

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

.site-header {
  width: min(var(--page-width), calc(100% - 48px));
  height: 72px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  border-bottom: 1px solid rgba(223, 228, 236, 0.85);
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: max-content;
  font-size: 15px;
  font-weight: 760;
  letter-spacing: 0.18em;
}

.wordmark-mark {
  width: 20px;
  height: 20px;
  border: 2px solid var(--purple);
  border-right-color: var(--green);
  border-radius: 50%;
  position: relative;
}

.wordmark-mark::after {
  content: "";
  width: 6px;
  height: 6px;
  position: absolute;
  inset: 5px;
  border-radius: 50%;
  background: var(--green);
}

nav {
  display: flex;
  align-items: center;
  gap: 34px;
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 600;
}

nav a {
  transition: color 160ms ease;
}

nav a:hover {
  color: var(--ink);
}

.nav-current {
  color: var(--ink);
}

.online-status {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--green);
  font-size: 11px;
  font-weight: 760;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.online-status span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green-bright);
  animation: online-pulse 1.8s ease-in-out infinite;
}

.hero {
  width: min(var(--page-width), calc(100% - 48px));
  margin: 0 auto;
  padding: 44px 0 28px;
}

.hero-copy {
  width: 100%;
  max-width: none;
  position: relative;
  z-index: 2;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--purple);
  font-size: 11px;
  font-weight: 780;
  letter-spacing: 0.14em;
}

h1,
h2,
h3,
p {
  letter-spacing: 0;
}

h1 {
  margin: 0;
  max-width: none;
  font-size: 44px;
  line-height: 1.02;
  font-weight: 740;
}

.hero-deck {
  max-width: none;
  margin: 20px 0 0;
}

.hero-deck > p {
  max-width: 760px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 20px;
  line-height: 1.5;
}

.hero-points {
  max-width: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  list-style: none;
}

.hero-points li {
  min-width: 0;
  position: relative;
  padding-left: 14px;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.5;
}

.hero-points li::before {
  content: "";
  width: 2px;
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  background: linear-gradient(180deg, var(--purple) 0%, var(--green-bright) 100%);
}

.hero-points strong {
  display: block;
  margin-bottom: 2px;
  color: var(--ink);
  font-size: 14px;
}

.system-figure {
  width: 100%;
  aspect-ratio: 1672 / 941;
  margin: 8px 0 0;
  position: relative;
  isolation: isolate;
}

.system-figure img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
}

.jarvis-beacon {
  width: 15.5%;
  aspect-ratio: 1;
  position: absolute;
  top: 25.8%;
  left: 41.3%;
  pointer-events: none;
}

.jarvis-beacon span {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(83, 71, 255, 0.44);
  border-radius: 50%;
  animation: beacon 3s ease-out infinite;
}

.jarvis-beacon span:nth-child(2) {
  border-color: rgba(74, 203, 145, 0.38);
  animation-delay: 1s;
}

.jarvis-beacon span:nth-child(3) {
  animation-delay: 2s;
}

.voice-wave {
  width: 14.6%;
  height: 12.5%;
  position: absolute;
  top: 35.6%;
  left: 22.2%;
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 7px 2px;
  overflow: hidden;
  background: var(--white);
  pointer-events: none;
}

.voice-channel {
  min-width: 0;
  flex: 1 1 50%;
  height: 78%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--purple);
  animation: voice-user-turn 4s ease-in-out infinite;
}

.voice-channel--jarvis {
  animation-name: voice-jarvis-turn;
}

.voice-bars {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1px;
}

.voice-bars i {
  width: 2px;
  height: var(--height);
  flex: 0 0 2px;
  border-radius: 2px;
  background: currentColor;
  transform-origin: center;
  animation: voice-wave-talk 0.92s ease-in-out infinite;
  animation-delay: var(--delay);
}

.message-lane {
  width: 15.8%;
  height: 18%;
  position: absolute;
  top: 37.2%;
  left: 61.8%;
  overflow: hidden;
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.94) 0%,
    rgba(255, 255, 255, 0.98) 82%,
    rgba(255, 255, 255, 0) 100%
  );
  pointer-events: none;
}

.agent-message {
  width: 30%;
  height: 22%;
  position: absolute;
  top: var(--row);
  right: -34%;
  border: 1px solid rgba(22, 135, 95, 0.14);
  border-radius: 4px;
  background: #e4f1ea;
  opacity: 0;
  animation: agent-message-in 4.4s linear infinite;
  animation-delay: var(--delay);
}

.agent-message::before,
.agent-message::after {
  content: "";
  height: 2px;
  position: absolute;
  left: 20%;
  border-radius: 2px;
  background: rgba(22, 135, 95, 0.62);
}

.agent-message::before {
  width: 58%;
  top: 34%;
}

.agent-message::after {
  width: 38%;
  top: 62%;
}

.user-guidance {
  width: 60%;
  height: 28%;
  position: absolute;
  top: 42%;
  left: -65%;
  display: grid;
  place-items: center;
  border: 1px solid rgba(81, 71, 255, 0.2);
  border-radius: 4px;
  color: var(--purple);
  background: #e4f1ea;
  font-size: 7px;
  font-weight: 850;
  letter-spacing: 0.04em;
  opacity: 0;
  animation: user-guidance-out 9.5s ease-in-out infinite;
}

.on-call-badge {
  position: absolute;
  top: 16.2%;
  left: 53.8%;
  display: flex;
  align-items: center;
  gap: 5px;
  color: var(--green);
  font-size: 7px;
  font-weight: 850;
  letter-spacing: 0.1em;
}

.on-call-badge i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--green-bright);
  animation: online-pulse 1.8s ease-in-out infinite;
}

.system-principles {
  height: 23%;
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  display: grid;
  grid-template-columns: 25% 50% 25%;
  align-items: center;
  background: var(--white);
  pointer-events: none;
}

.system-principles span {
  min-width: 0;
  padding: 8px 12px;
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.2;
  text-align: center;
}

.system-principles small {
  font: inherit;
}

.system-principles span + span {
  border-left: 1px solid var(--line);
}

.system-principles strong {
  color: var(--purple);
  font-weight: 800;
}

.system-principles span:nth-child(2) strong {
  color: transparent;
  background: linear-gradient(90deg, var(--purple) 0%, var(--green) 100%);
  background-clip: text;
  -webkit-background-clip: text;
}

.system-principles span:nth-child(3) strong {
  color: var(--green);
}

.demo-section,
.intro-section {
  padding: 112px max(24px, calc((100vw - var(--page-width)) / 2));
}

.section-heading {
  max-width: 750px;
  margin-bottom: 62px;
}

.section-heading h2 {
  margin: 0;
  font-size: 44px;
  line-height: 1.08;
  font-weight: 710;
}

.demo-section {
  background: var(--surface);
}

.demo-section--page {
  min-height: calc(100vh - 182px);
}

.demo-section--page .section-heading {
  max-width: 850px;
}

.demo-section--page .section-heading h1 {
  font-size: 56px;
  line-height: 1.08;
}

.section-heading--demo {
  margin-bottom: 48px;
}

.section-heading--demo > p:last-child {
  max-width: 560px;
  margin: 20px 0 0;
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.55;
}

.intro-section {
  background: var(--surface);
}

.section-heading--intro {
  margin-bottom: 42px;
}

.section-heading--intro > p:last-child {
  max-width: 680px;
  margin: 20px 0 0;
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.55;
}

.language-video {
  max-width: 1040px;
}

.language-video > input {
  width: 1px;
  height: 1px;
  position: absolute;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.language-video__toolbar {
  min-height: 38px;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.language-video__toolbar > span {
  color: var(--ink-soft);
  font-size: 10px;
  font-weight: 850;
  letter-spacing: 0.13em;
}

.language-switch {
  display: inline-flex;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
}

.language-switch label {
  min-width: 74px;
  padding: 7px 12px;
  border-radius: 4px;
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 720;
  text-align: center;
  cursor: pointer;
}

#intro-video-en:checked ~ .language-video__toolbar .language-switch__en,
#intro-video-zh:checked ~ .language-video__toolbar .language-switch__zh {
  color: var(--white);
  background: var(--ink);
}

.language-video__panel {
  display: none;
}

#intro-video-en:checked ~ .language-video__panel--en,
#intro-video-zh:checked ~ .language-video__panel--zh {
  display: block;
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.video-slot {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.video-media {
  width: 100%;
  aspect-ratio: 1452 / 810;
  overflow: hidden;
  background: #080b12;
}

.video-media--intro {
  border: 1px solid var(--line);
  border-radius: 8px;
}

.video-media video {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  background: #080b12;
}

.video-meta {
  min-height: 122px;
  padding: 22px;
}

.video-meta p {
  margin: 0 0 8px;
  color: var(--purple);
  font-size: 9px;
  font-weight: 850;
  letter-spacing: 0.13em;
}

.video-meta h3 {
  margin: 0 0 8px;
  font-size: 20px;
}

.video-meta span {
  color: var(--ink-soft);
  font-size: 13px;
}

.benchmark-main {
  overflow: hidden;
}

.benchmark-hero {
  padding-right: max(24px, calc((100vw - var(--page-width)) / 2));
  padding-left: max(24px, calc((100vw - var(--page-width)) / 2));
}

.benchmark-hero {
  padding-top: 72px;
  padding-bottom: 88px;
}

.benchmark-hero__copy {
  max-width: 870px;
}

.benchmark-hero__copy h1 {
  font-size: 72px;
}

.benchmark-hero__copy > p {
  max-width: 780px;
  margin: 20px 0 0;
  color: var(--ink-soft);
  font-size: 20px;
  line-height: 1.55;
}

.benchmark-map {
  min-height: 188px;
  margin: 64px 0 0;
  padding: 34px;
  display: grid;
  grid-template-columns: max-content minmax(72px, 1fr) max-content minmax(72px, 1fr) max-content;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.benchmark-map__node {
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.benchmark-map__node span,
.benchmark-map__tracks span {
  margin-bottom: 7px;
  color: var(--ink);
  font-size: 9px;
  font-weight: 850;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.benchmark-map__node strong {
  font-size: 25px;
  line-height: 1.15;
}

.benchmark-map__node small {
  margin-top: 8px;
  color: var(--ink);
  font-size: 12px;
  line-height: 1.4;
}

.benchmark-map__subset strong {
  color: var(--ink);
}

.benchmark-map__connector {
  width: 56px;
  height: 2px;
  margin: 0;
  justify-self: center;
  position: relative;
  color: var(--ink);
  background: currentColor;
  box-shadow: 0 0 0 1px rgba(81, 71, 255, 0.06);
}

.benchmark-map__connector::before {
  content: "";
  width: 6px;
  height: 6px;
  position: absolute;
  top: -2px;
  left: 0;
  border-radius: 50%;
  background: currentColor;
}

.benchmark-map__connector::after {
  content: "";
  width: 11px;
  height: 11px;
  position: absolute;
  top: -5px;
  right: 0;
  border-top: 2px solid currentColor;
  border-right: 2px solid currentColor;
  transform: rotate(45deg);
}

.benchmark-map__connector--split {
  width: min(132px, 100%);
  height: 96px;
  color: var(--ink);
  background: transparent;
  box-shadow: none;
}

.benchmark-map__connector--split::before {
  top: calc(50% - 3px);
}

.benchmark-map__connector--split::after {
  display: none;
}

.benchmark-map__branch {
  width: 100%;
  height: 2px;
  position: absolute;
  top: 50%;
  left: 0;
  background: currentColor;
  transform-origin: left center;
}

.benchmark-map__branch::after {
  content: "";
  width: 11px;
  height: 11px;
  position: absolute;
  top: -5px;
  right: 0;
  border-top: 2px solid currentColor;
  border-right: 2px solid currentColor;
  transform: rotate(45deg);
}

.benchmark-map__branch--upper {
  transform: rotate(-18deg);
}

.benchmark-map__branch--lower {
  transform: rotate(18deg);
}

.benchmark-map__tracks {
  display: grid;
  gap: 10px;
}

.benchmark-map__tracks a {
  min-width: 260px;
  min-height: 78px;
  padding: 15px 20px;
  display: block;
  border-left: 3px solid var(--purple);
  color: var(--ink);
  background: var(--white);
  font-size: 19px;
  font-weight: 760;
  line-height: 1.2;
  transition: background 160ms ease, transform 160ms ease;
}

.benchmark-map__tracks a:hover {
  background: #f4f2ff;
  transform: translateX(3px);
}

.benchmark-map__tracks a:last-child {
  border-left-color: var(--green);
}

.benchmark-map__tracks a:last-child:hover {
  background: #eef8f3;
}

.benchmark-map__tracks span {
  display: block;
  margin-bottom: 5px;
  color: var(--purple);
  font-size: 11px;
}

.benchmark-map__tracks a:last-child span {
  color: var(--green);
}

.benchmark-origin {
  max-width: 920px;
  margin: 26px 0 0;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.65;
}

.benchmark-origin a {
  color: var(--purple);
  font-weight: 720;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.track-page {
  padding: 58px max(24px, calc((100vw - var(--page-width)) / 2)) 64px;
  display: flex;
  flex-direction: column;
  scroll-margin-top: 72px;
}

.track-page--collaboration {
  background: var(--surface);
}

.track-page--interaction {
  background: var(--white);
}

.track-page__intro {
  max-width: 840px;
  margin-bottom: 28px;
}

.track-page__intro h2 {
  margin: 0;
  font-size: 44px;
  line-height: 1.08;
}

.track-page--interaction .eyebrow {
  color: var(--green);
}

.track-question {
  max-width: 780px;
  margin: 18px 0 0;
  font-size: 20px;
  font-weight: 720;
  line-height: 1.4;
}

.track-summary {
  max-width: 820px;
  margin: 10px 0 0;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.65;
}

.result-panel {
  overflow: hidden;
  border: 1px solid var(--line);
  border-top: 4px solid var(--purple);
  border-radius: 8px;
  background: var(--white);
}

.result-panel--interaction {
  border-top-color: var(--green);
}

.result-table-wrap {
  overflow-x: auto;
}

.result-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-variant-numeric: tabular-nums;
}

.result-table--interaction {
  min-width: 720px;
}

.result-table th,
.result-table td {
  padding: 18px 30px;
  border-bottom: 1px solid var(--line);
  text-align: right;
}

.result-table th:first-child,
.result-table td:first-child {
  text-align: left;
}

.result-table thead th {
  color: var(--ink-soft);
  background: var(--surface);
  font-size: 10px;
  font-weight: 820;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.result-table tbody th {
  font-size: 14px;
  font-weight: 720;
}

.result-table tbody td {
  font-size: 16px;
  font-weight: 760;
}

.result-panel--collaboration .result-table tbody td:last-child {
  color: var(--purple);
}

.result-table strong {
  color: var(--ink);
  font-weight: 880;
}

.result-panel--interaction .result-table strong {
  color: var(--green);
}

.result-table tbody tr:last-child th,
.result-table tbody tr:last-child td {
  border-bottom: 0;
}

.metric-notes {
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  border-top: 1px solid var(--line);
}

.metric-notes div {
  min-width: 0;
  padding-top: 18px;
}

.metric-notes dt {
  color: var(--ink);
  font-size: 12px;
  font-weight: 780;
}

.metric-notes dd {
  margin: 5px 0 0;
  color: var(--ink-soft);
  font-size: 12px;
  line-height: 1.5;
}

footer {
  min-height: 110px;
  padding: 0 max(24px, calc((100vw - var(--page-width)) / 2));
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--line);
}

footer > span {
  font-size: 13px;
  font-weight: 850;
  letter-spacing: 0.18em;
}

footer p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 12px;
}

@keyframes online-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(74, 203, 145, 0.08); opacity: 0.72; }
  50% { box-shadow: 0 0 0 6px rgba(74, 203, 145, 0.16); opacity: 1; }
}

@keyframes beacon {
  0% { transform: scale(0.58); opacity: 0; }
  18% { opacity: 0.7; }
  100% { transform: scale(1.35); opacity: 0; }
}

@keyframes voice-wave-talk {
  0%, 100% { transform: scaleY(0.42); opacity: 0.72; }
  32% { transform: scaleY(1.08); opacity: 1; }
  62% { transform: scaleY(0.66); opacity: 0.86; }
  82% { transform: scaleY(1.22); opacity: 1; }
}

@keyframes voice-user-turn {
  0%, 44% { opacity: 1; transform: scale(1.06); }
  50%, 94% { opacity: 0.2; transform: scale(0.9); }
  100% { opacity: 1; transform: scale(1.06); }
}

@keyframes voice-jarvis-turn {
  0%, 44% { opacity: 0.2; transform: scale(0.9); }
  50%, 94% { opacity: 1; transform: scale(1.06); }
  100% { opacity: 0.2; transform: scale(0.9); }
}

@keyframes agent-message-in {
  0% { transform: translateX(0); opacity: 0; }
  12% { opacity: 1; }
  82% { opacity: 1; }
  100% { transform: translateX(-450%); opacity: 0; }
}

@keyframes user-guidance-out {
  0%, 54% { transform: translateX(0); opacity: 0; }
  60% { transform: translateX(112%); opacity: 0; }
  64% { transform: translateX(125%); opacity: 1; }
  84% { transform: translateX(160%); opacity: 1; }
  92% { transform: translateX(200%); opacity: 0.94; }
  100% { transform: translateX(280%); opacity: 0; }
}

@media (max-width: 820px) {
  .site-header {
    width: min(100% - 28px, var(--page-width));
    grid-template-columns: 1fr auto;
  }

  nav {
    gap: 18px;
    font-size: 12px;
  }

  .online-status {
    display: none;
  }

  .hero {
    width: min(100% - 28px, var(--page-width));
    min-height: auto;
    padding: 44px 0 20px;
  }

  .hero-points {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  h1 {
    font-size: 40px;
  }

  .section-heading h2 {
    font-size: 40px;
  }

  .system-figure {
    width: 100%;
    margin: 34px auto 12px;
  }

  .demo-section,
  .intro-section {
    padding-top: 82px;
    padding-bottom: 82px;
  }

  .demo-section--page .section-heading h1 {
    font-size: 48px;
  }

  .benchmark-hero {
    padding-top: 56px;
    padding-bottom: 72px;
  }

  .benchmark-hero__copy h1 {
    font-size: 56px;
  }

  .benchmark-map {
    grid-template-columns: 1fr 74px 1.15fr;
    gap: 0;
  }

  .benchmark-map__connector--split {
    display: none;
  }

  .benchmark-map__tracks {
    grid-column: 1 / -1;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 26px;
  }

  .track-page {
    padding-top: 58px;
    padding-bottom: 64px;
  }

  .track-page__intro h2 {
    font-size: 40px;
  }

  .video-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .site-header {
    height: 62px;
  }

  nav {
    gap: 12px;
    font-size: 11px;
  }

  h1 {
    font-size: 32px;
  }

  .hero-deck > p {
    font-size: 17px;
  }

  .benchmark-hero,
  .track-page {
    padding-right: 18px;
    padding-left: 18px;
  }

  .benchmark-hero__copy h1 {
    font-size: 48px;
  }

  .benchmark-hero__copy > p {
    font-size: 17px;
  }

  .benchmark-map {
    margin-top: 42px;
    grid-template-columns: 1fr;
    padding: 24px;
  }

  .benchmark-map__connector,
  .benchmark-map__connector--split {
    width: 2px;
    height: 34px;
    margin: 14px auto;
    justify-self: center;
    display: block;
    border-radius: 999px;
    background: currentColor;
    box-shadow: none;
  }

  .benchmark-map__connector::before,
  .benchmark-map__connector--split::before {
    display: none;
  }

  .benchmark-map__connector::after,
  .benchmark-map__connector--split::after {
    width: 9px;
    height: 9px;
    display: block;
    top: auto;
    right: 50%;
    bottom: -1px;
    border: 0;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: translateX(50%) rotate(45deg);
  }

  .benchmark-map__branch {
    display: none;
  }

  .benchmark-map__tracks {
    grid-template-columns: 1fr;
    margin-top: 0;
  }

  .track-question {
    font-size: 18px;
  }

  .track-page__intro h2 {
    font-size: 32px;
  }

  .result-table th,
  .result-table td {
    padding-right: 22px;
    padding-left: 22px;
  }

  .result-table,
  .result-table--interaction {
    min-width: 0;
  }

  .result-table thead {
    display: none;
  }

  .result-table tbody,
  .result-table tr,
  .result-table th,
  .result-table td {
    display: block;
  }

  .result-table tbody tr {
    padding: 18px 20px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px 18px;
    border-bottom: 1px solid var(--line);
  }

  .result-table tbody tr:last-child {
    border-bottom: 0;
  }

  .result-table--interaction tbody tr {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .result-table tbody th {
    grid-column: 1 / -1;
    padding: 0 0 4px;
    border: 0;
  }

  .result-table tbody td {
    padding: 0;
    border: 0;
    text-align: left;
  }

  .result-table tbody td::before {
    content: attr(data-label);
    margin-bottom: 5px;
    display: block;
    color: var(--ink-soft);
    font-size: 8px;
    font-weight: 820;
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }

  .metric-notes {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .metric-notes div + div {
    margin-top: 14px;
    border-top: 1px solid var(--line);
  }

  .system-figure {
    width: 108%;
    margin-left: -4%;
  }

  .system-principles span {
    padding: 4px 2px;
    flex-direction: column;
    align-items: center;
    gap: 1px;
    font-size: 10px;
    line-height: 1.1;
  }

  .system-principles strong {
    font-size: 11px;
  }

  .section-heading h2 {
    font-size: 32px;
  }

  .section-heading {
    margin-bottom: 38px;
  }

  .demo-section,
  .intro-section {
    padding-right: 18px;
    padding-left: 18px;
  }

  .demo-section--page .section-heading h1 {
    font-size: 36px;
  }

  .language-video__toolbar {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .language-switch {
    width: 100%;
  }

  .language-switch label {
    flex: 1 1 50%;
  }

  footer {
    min-height: 96px;
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
  }
}