:root {
  --canvas: #0a0a0a;
  --canvas-raised: #141516;
  --canvas-card: #191919;
  --ink: #ffffff;
  --body: #dadbdf;
  --mute: #858a91;
  --hairline: #2a2c30;
  --hairline-strong: #42454a;
  --accent: #4dbdf2;
  --accent-soft: rgba(77, 189, 242, 0.15);
  --compare-a: #d98b4e;
  --compare-b: #8fb69a;
  --success: #7ee2ae;
  --header-bg: rgba(10, 10, 10, 0.82);
  --selection: rgba(77, 189, 242, 0.25);
  --radius: 8px;
  --pill: 999px;
  --max: 1240px;
  --sans: Inter, "Segoe UI", Helvetica, Arial, sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

html[data-theme="light"] {
  --canvas: #f3f2ed;
  --canvas-raised: #ebeae4;
  --canvas-card: #ffffff;
  --ink: #101113;
  --body: #3d4147;
  --mute: #6c727a;
  --hairline: #d5d4ce;
  --hairline-strong: #b5b5ae;
  --accent: #0879b4;
  --accent-soft: rgba(8, 121, 180, 0.11);
  --compare-a: #aa581f;
  --compare-b: #34764f;
  --success: #147a4a;
  --header-bg: rgba(243, 242, 237, 0.86);
  --selection: rgba(8, 121, 180, 0.18);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  background: var(--canvas);
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--canvas);
  font-family: var(--sans);
  font-weight: 400;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--selection); }

button, input, select { font: inherit; }

a { color: inherit; }

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 10px;
  left: 10px;
  padding: 10px 16px;
  border-radius: var(--pill);
  color: var(--canvas);
  background: var(--ink);
  transform: translateY(-150%);
}

.skip-link:focus { transform: none; }

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  padding: 12px 24px;
  border-bottom: 1px solid var(--hairline);
  background: var(--header-bg);
  backdrop-filter: blur(18px);
}

.wordmark {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.16em;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link,
.theme-toggle,
.pill {
  min-height: 38px;
  border: 1px solid var(--hairline-strong);
  border-radius: var(--pill);
  color: var(--ink);
  background: transparent;
  text-decoration: none;
  cursor: pointer;
  transition: border-color 160ms ease, background 160ms ease, transform 160ms ease;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  padding: 7px 14px;
  font-size: 14px;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 13px;
}

.nav-link:hover,
.theme-toggle:hover,
.pill:hover {
  border-color: var(--ink);
  background: var(--canvas-raised);
}

.theme-icon {
  width: 12px;
  height: 12px;
  border: 1px solid currentColor;
  border-radius: 50%;
  box-shadow: inset 5px 0 0 currentColor;
}

.state-view {
  display: grid;
  place-items: center;
  align-content: center;
  min-height: calc(100vh - 64px);
  padding: 64px 24px;
  text-align: center;
}

.state-view h1 {
  max-width: 760px;
  margin: 12px auto 16px;
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 400;
  line-height: 0.98;
  letter-spacing: -0.04em;
}

.loader {
  width: 40px;
  height: 40px;
  margin-bottom: 22px;
  border: 1px solid var(--hairline-strong);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 800ms linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.hero {
  position: relative;
  overflow: hidden;
  min-height: 660px;
  border-bottom: 1px solid var(--hairline);
}

.hero::after {
  content: "";
  position: absolute;
  right: -8%;
  bottom: -28%;
  width: min(640px, 54vw);
  aspect-ratio: 1;
  border: 1px solid var(--hairline);
  border-radius: 50%;
  box-shadow: 0 0 0 80px transparent, 0 0 0 81px var(--hairline), 0 0 0 160px transparent, 0 0 0 161px var(--hairline);
  opacity: 0.42;
  pointer-events: none;
}

.hero-inner,
.section-inner,
.detail-inner {
  width: min(100%, var(--max));
  margin: 0 auto;
  padding-right: 24px;
  padding-left: 24px;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(260px, 0.5fr);
  gap: 56px;
  align-items: end;
  min-height: 660px;
  padding-top: 90px;
  padding-bottom: 62px;
}

.eyebrow {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.4;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 950px;
  margin: 18px 0 30px;
  font-size: clamp(56px, 8.1vw, 104px);
  font-weight: 400;
  line-height: 0.91;
  letter-spacing: -0.055em;
}

.lead {
  max-width: 620px;
  margin: 0;
  color: var(--body);
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.5;
}

.source-line {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-top: 28px;
  color: var(--mute);
  font-family: var(--mono);
  font-size: 12px;
}

.live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 5px color-mix(in srgb, var(--success) 12%, transparent);
}

.hero-score {
  position: relative;
  z-index: 2;
  padding: 24px 0 5px;
  border-top: 1px solid var(--hairline-strong);
}

.hero-score .score {
  display: block;
  margin: 5px 0 0;
  color: var(--ink);
  font-size: clamp(76px, 10vw, 132px);
  font-weight: 400;
  line-height: 0.9;
  letter-spacing: -0.065em;
}

.hero-score .score sup {
  margin-left: 5px;
  color: var(--mute);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0;
  vertical-align: top;
}

.hero-score a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 22px;
  text-decoration: none;
}

.hero-score a::after { content: "\2197"; }

.stats-band {
  border-bottom: 1px solid var(--hairline);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  width: min(100%, var(--max));
  margin: 0 auto;
  padding: 0 24px;
}

.stat {
  padding: 30px 24px 32px 0;
  border-right: 1px solid var(--hairline);
}

.stat + .stat { padding-left: 24px; }
.stat:last-child { border-right: 0; }

.stat-value {
  display: block;
  margin-top: 6px;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1;
  letter-spacing: -0.04em;
}

.content-section {
  padding: 88px 0;
  border-bottom: 1px solid var(--hairline);
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 42px;
}

.section-heading h2 {
  max-width: 820px;
  margin: 14px 0 0;
  font-size: clamp(42px, 6vw, 72px);
  font-weight: 400;
  line-height: 0.98;
  letter-spacing: -0.045em;
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.field {
  min-height: 44px;
  padding: 10px 15px;
  border: 1px solid var(--hairline-strong);
  border-radius: var(--pill);
  color: var(--ink);
  background: var(--canvas-raised);
}

input.field { width: min(260px, 100%); }

.leaderboard-shell {
  overflow: hidden;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  background: var(--canvas-card);
}

.leaderboard-header,
.leaderboard-row {
  display: grid;
  grid-template-columns: 72px minmax(260px, 0.75fr) minmax(280px, 1.75fr) 116px 110px;
  align-items: center;
}

.leaderboard-header {
  min-height: 50px;
  padding: 0 18px;
  color: var(--mute);
  background: var(--canvas-raised);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.leaderboard-list { margin: 0; padding: 0; list-style: none; }

.leaderboard-row {
  position: relative;
  min-height: 88px;
  padding: 0 18px;
  border-top: 1px solid var(--hairline);
  transition: background 160ms ease;
}

.leaderboard-row:hover { background: var(--canvas-raised); }

.leaderboard-row > * { min-width: 0; }

.row-link {
  position: absolute;
  z-index: 1;
  inset: 0;
}

.rank {
  color: var(--mute);
  font-family: var(--mono);
  font-size: 13px;
}

.model-cell strong {
  display: block;
  overflow: hidden;
  font-size: 18px;
  font-weight: 400;
  line-height: 1.25;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.model-cell span,
.meta-cell {
  display: block;
  margin-top: 3px;
  overflow: hidden;
  color: var(--mute);
  font-size: 13px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.model-subline { display: block; }

.score-cell {
  font-family: var(--mono);
  font-size: 23px;
}

.score-cell small { color: var(--mute); font-size: 12px; }

.score-track {
  position: relative;
  display: block;
  width: calc(100% - 24px);
  height: 28px;
  overflow: hidden;
  border-right: 1px solid var(--hairline-strong);
  border-left: 1px solid var(--hairline-strong);
  background:
    linear-gradient(to bottom, transparent 13px, var(--hairline-strong) 13px, var(--hairline-strong) 14px, transparent 14px),
    repeating-linear-gradient(to right, var(--hairline) 0, var(--hairline) 1px, transparent 1px, transparent 20%);
}

.score-fill {
  position: absolute;
  top: 13px;
  left: 0;
  display: block;
  height: 2px;
  background: var(--accent);
  box-shadow: 0 0 12px color-mix(in srgb, var(--accent) 35%, transparent);
}

.score-fill::after {
  content: "";
  position: absolute;
  top: -3px;
  right: -4px;
  width: 8px;
  height: 8px;
  border: 2px solid var(--canvas-card);
  border-radius: 50%;
  background: var(--accent);
}

.arrow-cell {
  color: var(--mute);
  font-size: 22px;
  text-align: right;
}

.empty-results {
  padding: 42px 20px;
  color: var(--mute);
  text-align: center;
}

.method-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  background: var(--hairline);
}

.method-card {
  min-height: 250px;
  padding: 28px;
  background: var(--canvas-card);
}

.method-card .number {
  color: var(--accent);
  font-family: var(--mono);
  font-size: 13px;
}

.method-card h3 {
  margin: 72px 0 12px;
  font-size: 26px;
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -0.025em;
}

.method-card p { margin: 0; color: var(--body); }

.section-intro {
  max-width: 420px;
  margin: 0 0 7px;
  color: var(--body);
  font-size: 17px;
  line-height: 1.55;
}

.comparison-section { overflow: hidden; }

.comparison-selectors {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto minmax(220px, 1fr);
  gap: 18px;
  align-items: end;
  max-width: 760px;
  margin-bottom: 42px;
}

.comparison-selectors label { display: grid; gap: 9px; }

.comparison-select {
  width: 100%;
  min-height: 52px;
  border-radius: var(--radius);
  cursor: pointer;
}

.versus {
  display: grid;
  place-items: center;
  width: 42px;
  height: 52px;
  color: var(--mute);
  font-family: var(--mono);
  font-size: 11px;
}

.model-a-text { color: var(--compare-a) !important; }
.model-b-text { color: var(--compare-b) !important; }

.comparison-stage {
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  background: var(--canvas-card);
}

.comparison-visual {
  min-height: 570px;
  padding: 30px 22px 6px;
  border-bottom: 1px solid var(--hairline);
}

.comparison-legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 26px;
  min-height: 28px;
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 14px;
}

.legend-item i {
  display: block;
  width: 22px;
  height: 2px;
  background: currentColor;
}

.radar-chart {
  display: block;
  width: min(100%, 700px);
  height: auto;
  margin: 6px auto 0;
  overflow: visible;
}

.radar-grid,
.radar-axis {
  fill: none;
  stroke: var(--hairline);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}

.radar-area {
  stroke-width: 2.5;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
}

.radar-area-a { fill: color-mix(in srgb, var(--compare-a) 15%, transparent); stroke: var(--compare-a); }
.radar-area-b { fill: color-mix(in srgb, var(--compare-b) 15%, transparent); stroke: var(--compare-b); }

.radar-label {
  fill: var(--mute);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.comparison-scores {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--hairline);
}

.comparison-score-card {
  display: grid;
  min-height: 132px;
  padding: 18px;
  background: var(--canvas-card);
}

.comparison-name {
  display: block;
  min-height: 38px;
  margin-top: 5px;
  color: var(--mute);
  font-size: 12px;
  line-height: 1.35;
}

.comparison-values {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 12px;
  margin-top: 12px;
}

.comparison-values strong {
  font-family: var(--mono);
  font-size: clamp(20px, 2.4vw, 29px);
  font-weight: 400;
}

.criteria-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 64px;
  align-items: end;
  margin-bottom: 52px;
}

.criteria-intro h2,
.open-source-inner h2 {
  max-width: 780px;
  margin: 14px 0 0;
  font-size: clamp(42px, 6vw, 72px);
  font-weight: 400;
  line-height: 0.98;
  letter-spacing: -0.045em;
}

.criteria-copy { max-width: 470px; color: var(--body); font-size: 17px; }
.criteria-copy p { margin: 0; }
.criteria-copy p + p { margin-top: 16px; color: var(--mute); }

.criteria-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  background: var(--hairline);
}

.criterion-card {
  min-height: 240px;
  padding: 24px;
  background: var(--canvas-card);
}

.criterion-number {
  display: flex;
  justify-content: space-between;
  color: var(--mute);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
}

.criterion-number span:last-child { color: var(--accent); }

.criterion-card h3 {
  margin: 54px 0 12px;
  font-size: 24px;
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -0.025em;
}

.criterion-card p { margin: 0; color: var(--body); font-size: 14px; line-height: 1.55; }

.open-source-section { background: var(--canvas-raised); }

.open-source-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.72fr);
  gap: 72px;
  align-items: end;
}

.open-source-copy { padding-top: 28px; border-top: 1px solid var(--hairline-strong); }
.open-source-copy > p { margin: 0; color: var(--body); font-size: 18px; line-height: 1.6; }

.open-source-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: 30px;
}

.license-note { color: var(--mute); font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; }

.detail-hero {
  padding: 74px 0 56px;
  border-bottom: 1px solid var(--hairline);
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 58px;
  color: var(--body);
  text-decoration: none;
}

.back-link::before { content: "\2190"; }

.detail-title-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 32px;
  align-items: end;
}

.detail-title-row h1 {
  margin: 12px 0 16px;
  font-size: clamp(56px, 8vw, 96px);
  font-weight: 400;
  line-height: 0.92;
  letter-spacing: -0.055em;
}

.detail-meta { color: var(--body); }

.detail-score {
  min-width: 210px;
  padding-left: 32px;
  border-left: 1px solid var(--hairline-strong);
}

.detail-score strong {
  display: block;
  margin-top: 8px;
  font-size: clamp(68px, 9vw, 112px);
  font-weight: 400;
  line-height: 0.8;
  letter-spacing: -0.06em;
}

.detail-score strong span {
  color: var(--mute);
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0;
}

.detail-section {
  padding: 76px 0;
  border-bottom: 1px solid var(--hairline);
}

.dimension-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  background: var(--hairline);
}

.dimension-card {
  min-height: 138px;
  padding: 20px;
  background: var(--canvas-card);
}

.dimension-card strong {
  display: block;
  margin-top: 27px;
  font-family: var(--mono);
  font-size: 30px;
  font-weight: 400;
}

.comment-toolbar {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 22px;
}

.comment-toolbar .field { width: min(380px, 100%); }

.conversation-list { display: grid; gap: 12px; }

.conversation {
  overflow: hidden;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  background: var(--canvas-card);
}

.conversation summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 24px;
  align-items: center;
  min-height: 78px;
  padding: 18px 22px;
  cursor: pointer;
  list-style: none;
}

.conversation summary::-webkit-details-marker { display: none; }

.conversation summary h3 {
  margin: 0;
  font-size: 20px;
  font-weight: 400;
  text-transform: capitalize;
}

.conversation summary p { margin: 3px 0 0; color: var(--mute); font-size: 13px; }

.conversation-summary-score {
  font-family: var(--mono);
  font-size: 17px;
}

.chevron {
  width: 10px;
  height: 10px;
  border-right: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  transform: rotate(45deg);
  transition: transform 160ms ease;
}

.conversation[open] .chevron { transform: rotate(225deg); }

.grader-notes {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  padding-top: 1px;
  background: var(--hairline);
}

.grader-note {
  min-height: 180px;
  padding: 22px;
  background: var(--canvas);
}

.grader-note-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  color: var(--mute);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.grader-note-score { color: var(--ink); font-size: 16px; letter-spacing: 0; }

.grader-note p {
  margin: 30px 0 0;
  color: var(--body);
  line-height: 1.62;
}

.site-footer {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 36px;
  width: min(100%, var(--max));
  min-height: 240px;
  margin: 0 auto;
  padding: 54px 24px 38px;
  color: var(--mute);
}

.site-footer p:last-child { max-width: 360px; }

.footer-logo {
  width: min(230px, 35vw);
  height: auto;
  opacity: 0.26;
  filter: grayscale(1);
}

.logo-light { display: none; }
html[data-theme="light"] .logo-dark { display: none; }
html[data-theme="light"] .logo-light { display: block; }

.pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 16px;
}

.pill-primary {
  border-color: var(--ink);
  color: var(--canvas);
  background: var(--ink);
}

.pill-primary:hover { color: var(--canvas); background: var(--body); }

.noscript {
  position: fixed;
  z-index: 200;
  right: 16px;
  bottom: 16px;
  left: 16px;
  padding: 16px;
  border-radius: var(--radius);
  color: #fff;
  background: #8d1f1f;
  text-align: center;
}

[hidden] { display: none !important; }

html.reveal-enabled .reveal-heading {
  opacity: 1;
}

html.reveal-enabled .reveal-heading .heading-line {
  display: block;
  padding-bottom: 0.14em;
  margin-bottom: -0.14em;
  opacity: 0;
  clip-path: inset(0 100% 0 0);
  transform: translateX(-22px);
  will-change: opacity, clip-path, transform;
}

html.reveal-enabled .reveal-heading.is-visible .heading-line {
  animation: heading-wipe-in 1050ms cubic-bezier(0.22, 1, 0.36, 1) both;
  animation-delay: calc(var(--line-index, 0) * 120ms);
}

@keyframes heading-wipe-in {
  0% {
    opacity: 0;
    clip-path: inset(0 100% 0 0);
    transform: translateX(-22px);
  }
  35% { opacity: 1; }
  100% {
    opacity: 1;
    clip-path: inset(0 0 0 0);
    transform: translateX(0);
  }
}

@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; align-items: end; }
  .hero-score { max-width: 360px; }
  .leaderboard-header,
  .leaderboard-row { grid-template-columns: 54px minmax(190px, 1.5fr) 116px 76px; }
  .leaderboard-header > :nth-child(3),
  .meta-cell { display: none; }
  .method-grid { grid-template-columns: 1fr; }
  .method-card { min-height: 210px; }
  .method-card h3 { margin-top: 44px; }
  .comparison-scores { grid-template-columns: repeat(3, 1fr); }
  .criteria-grid { grid-template-columns: repeat(2, 1fr); }
  .criteria-intro { grid-template-columns: 1fr; gap: 28px; }
  .open-source-inner { grid-template-columns: 1fr; gap: 42px; }
  .dimension-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 700px) {
  .site-header { padding: 10px 16px; }
  .nav-link { display: none; }
  .hero { min-height: 620px; }
  .hero-inner { min-height: 620px; padding: 70px 18px 44px; gap: 44px; }
  .hero h1 { font-size: clamp(50px, 15vw, 72px); }
  .hero::after { right: -45%; bottom: -12%; width: 105vw; }
  .stats-grid { grid-template-columns: 1fr; padding: 0 18px; }
  .stat, .stat + .stat { padding: 22px 0; border-right: 0; border-bottom: 1px solid var(--hairline); }
  .stat:last-child { border-bottom: 0; }
  .content-section { padding: 64px 0; }
  .section-inner, .detail-inner { padding-right: 18px; padding-left: 18px; }
  .section-heading { display: block; }
  .controls { margin-top: 24px; }
  .controls .field { width: 100%; }
  .comparison-heading .section-intro { margin-top: 22px; }
  .comparison-selectors { grid-template-columns: 1fr; gap: 16px; }
  .comparison-selectors .versus { display: none; }
  .comparison-visual { min-height: 0; padding: 24px 6px 0; }
  .comparison-legend { padding: 0 12px; }
  .radar-chart { width: 100%; }
  .comparison-scores { grid-template-columns: repeat(2, 1fr); }
  .comparison-score-card { min-height: 128px; padding: 15px; }
  .criteria-grid { grid-template-columns: 1fr; }
  .criterion-card { min-height: 210px; }
  .criterion-card h3 { margin-top: 42px; }
  .open-source-copy { padding-top: 24px; }
  .leaderboard-shell { border-right: 0; border-left: 0; border-radius: 0; margin-right: -18px; margin-left: -18px; }
  .leaderboard-header,
  .leaderboard-row { grid-template-columns: 30px minmax(112px, 1fr) minmax(96px, 1.5fr) 72px; column-gap: 8px; padding-right: 14px; padding-left: 14px; }
  .leaderboard-header { grid-template-columns: 30px minmax(112px, 1fr) minmax(96px, 1.5fr) 72px; column-gap: 8px; padding-right: 14px; padding-left: 14px; }
  .leaderboard-header > :nth-child(3) { display: block; font-size: 0; }
  .leaderboard-header > :nth-child(3)::after { content: "Graph"; font-size: 11px; }
  .leaderboard-header > :nth-child(5),
  .arrow-cell { display: none; }
  .meta-cell { display: block; margin-top: 0; }
  .score-track { display: block; width: 100%; height: 24px; }
  .score-fill { top: 11px; }
  .model-cell strong { font-size: 16px; }
  .model-subline { margin-top: 2px; font-size: 12px; }
  .detail-hero { padding-top: 44px; }
  .back-link { margin-bottom: 42px; }
  .detail-title-row { grid-template-columns: 1fr; }
  .detail-score { min-width: 0; padding: 26px 0 0; border-top: 1px solid var(--hairline-strong); border-left: 0; }
  .dimension-grid { grid-template-columns: repeat(2, 1fr); }
  .comment-toolbar { display: block; }
  .comment-toolbar .field { width: 100%; margin-top: 18px; }
  .conversation summary { grid-template-columns: minmax(0, 1fr) auto auto; gap: 14px; padding: 16px; }
  .grader-notes { grid-template-columns: 1fr; }
  .grader-note { min-height: 0; }
  .site-footer { min-height: 220px; padding-right: 18px; padding-left: 18px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  html.reveal-enabled .reveal-heading.is-visible .heading-line { animation-duration: 700ms !important; }
}