:root {
  color-scheme: light;
  --page: #f1efe7;
  --surface: #fffdf8;
  --surface-raised: #f8f5ed;
  --surface-muted: #e8e4da;
  --ink: #1f1e1b;
  --ink-soft: #5f5b54;
  --ink-faint: #898278;
  --line: #d7d1c5;
  --line-strong: #aaa195;
  --accent: #d97757;
  --accent-strong: #b85e45;
  --green: #6d7d72;
  --orange: #d97757;
  --blue: #607c83;
  --violet: #766b91;
  --red: #b95745;
  --console: #181817;
  --console-surface: #24231f;
  --console-line: #48443d;
  --console-ink: #f7f3ea;
  --console-muted: #b7b0a5;
  --shadow: 0 18px 46px rgba(40, 35, 28, 0.1);
  --font-serif: "Noto Serif CJK SC", "Songti SC", STSong, Georgia, serif;
  --font-sans: "Noto Sans CJK SC", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  --header-height: 68px;
  --max-width: 1280px;
  --radius: 6px;
}

[data-theme="dark"] {
  color-scheme: dark;
  --page: #1d1c19;
  --surface: #26241f;
  --surface-raised: #2e2b26;
  --surface-muted: #36322c;
  --ink: #f5f1e8;
  --ink-soft: #c6bfb3;
  --ink-faint: #968f83;
  --line: #48433b;
  --line-strong: #6f675c;
  --accent: #e58b6d;
  --accent-strong: #f0a083;
  --green: #91a397;
  --orange: #e58b6d;
  --blue: #8ba6ad;
  --violet: #b6abd0;
  --red: #e47d68;
  --console: #111110;
  --console-surface: #1b1a18;
  --console-line: #403c36;
  --console-ink: #f7f3ea;
  --console-muted: #aaa397;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.3);
}

* {
  box-sizing: border-box;
  letter-spacing: 0;
}

html {
  min-width: 320px;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

button,
input,
select {
  color: inherit;
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

a {
  color: inherit;
}

button {
  border: 0;
}

svg {
  display: block;
}

code,
.system-label,
.section-index,
.system-status,
.dataset-eyebrow,
.catalog-summary,
.machine-panel,
.access-console,
.release-version,
.footer-meta {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

.icon-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.icon {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 10px;
  left: 10px;
  padding: 10px 14px;
  background: var(--accent);
  color: #111615;
  font-weight: 750;
  text-decoration: none;
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 3px;
}

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  height: var(--header-height);
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--page) 92%, transparent);
  backdrop-filter: blur(16px);
}

.header-inner,
.hero-inner,
.section-inner,
.agent-access-inner,
.footer-inner,
.capability-strip-inner {
  width: min(100% - 48px, var(--max-width));
  margin: 0 auto;
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand {
  display: inline-flex;
  min-width: 236px;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.brand-mark {
  width: 26px;
  height: 26px;
  display: grid;
  flex: 0 0 26px;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(3, 1fr);
  gap: 2px;
}

.brand-mark i {
  display: block;
  background: var(--ink);
}

.brand-mark i:nth-child(1),
.brand-mark i:nth-child(6),
.brand-mark i:nth-child(8) {
  background: var(--accent-strong);
}

.brand-mark i:nth-child(3),
.brand-mark i:nth-child(7) {
  background: var(--orange);
}

.brand-mark i:nth-child(5) {
  background: transparent;
  border: 1px solid var(--ink);
}

.brand-name {
  font-size: 18px;
  font-weight: 820;
}

.brand-division {
  padding-left: 10px;
  border-left: 1px solid var(--line-strong);
  color: var(--ink-faint);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 10px;
  line-height: 1.1;
}

.main-nav {
  display: flex;
  height: 100%;
  align-items: center;
  gap: 30px;
}

.main-nav a {
  position: relative;
  display: flex;
  height: 100%;
  align-items: center;
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 680;
  text-decoration: none;
}

.main-nav a::after {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 2px;
  background: var(--accent-strong);
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 160ms ease;
}

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

.main-nav a:hover::after {
  transform: scaleX(1);
}

.header-actions {
  display: flex;
  min-width: 236px;
  align-items: center;
  justify-content: flex-end;
  gap: 14px;
}

.language-control,
.language-control label {
  display: inline-flex;
  align-items: center;
}

.language-control label {
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: transparent;
  overflow: hidden;
}

.language-control-label {
  padding: 0 8px 0 10px;
  color: var(--ink-faint);
  font-size: 9px;
  font-weight: 760;
  text-transform: uppercase;
}

.language-control-select {
  align-self: stretch;
  min-width: 78px;
  padding: 0 25px 0 8px;
  border: 0;
  border-left: 1px solid var(--line);
  border-radius: 0;
  background: var(--surface) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236f7772' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") no-repeat right 7px center;
  color: var(--ink);
  font-size: 11px;
  font-weight: 700;
  appearance: none;
  cursor: pointer;
}

.language-control-select:focus-visible {
  outline: 2px solid var(--accent-strong);
  outline-offset: -2px;
}

.system-status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--ink-soft);
  font-size: 10px;
  font-weight: 700;
}

.system-status i,
.live-label i {
  width: 7px;
  height: 7px;
  display: inline-block;
  background: var(--accent-strong);
  border-radius: 50%;
}

.icon-button,
.copy-button {
  display: inline-grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: transparent;
  cursor: pointer;
  transition: border-color 140ms ease, background 140ms ease, color 140ms ease;
}

.icon-button:hover {
  border-color: var(--line-strong);
  background: var(--surface);
}

.theme-icon-dark {
  display: none;
}

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

[data-theme="dark"] .theme-icon-dark {
  display: block;
}

.hero {
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.hero-inner {
  min-height: 510px;
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(430px, 0.88fr);
  align-items: stretch;
  gap: 72px;
}

.hero-copy {
  display: flex;
  min-width: 0;
  flex-direction: column;
  justify-content: center;
  padding: 68px 0 50px;
}

.system-label {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--ink-faint);
  font-size: 11px;
  font-weight: 700;
}

.system-label span:first-child {
  color: var(--accent-strong);
}

.system-label span + span::before {
  margin-right: 12px;
  color: var(--line-strong);
  content: "/";
}

.hero h1 {
  max-width: 740px;
  margin: 18px 0 18px;
  font-size: 58px;
  font-weight: 820;
  line-height: 1.08;
}

.hero h1 span {
  color: var(--green);
}

.hero-lead {
  max-width: 660px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 20px;
  line-height: 1.65;
}

.hero-lead strong {
  display: block;
  margin-bottom: 5px;
  color: var(--ink);
  font-size: 23px;
  font-weight: 800;
  line-height: 1.4;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 28px;
}

.hero-ai-native {
  margin: 0;
  max-width: 22rem;
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 650;
  line-height: 1.45;
}

.hero-ai-native::before {
  content: "AI NATIVE";
  display: inline-block;
  margin-right: 8px;
  padding: 2px 6px;
  border: 1px solid color-mix(in srgb, var(--green) 35%, var(--line));
  border-radius: 3px;
  background: color-mix(in srgb, var(--green) 10%, transparent);
  color: var(--green);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.04em;
  vertical-align: 1px;
}

.button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 18px;
  border: 1px solid var(--ink);
  border-radius: 4px;
  font-size: 14px;
  font-weight: 740;
  text-decoration: none;
  transition: background 140ms ease, border-color 140ms ease, color 140ms ease, transform 140ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  background: var(--ink);
  color: var(--surface);
}

.button-primary:hover {
  background: var(--green);
  border-color: var(--green);
  color: #ffffff;
}

.button-secondary {
  background: transparent;
  color: var(--ink);
}

.button-secondary:hover {
  background: var(--surface-muted);
}

.hero-stats {
  display: grid;
  max-width: 660px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: auto 0 0;
  padding: 34px 0 0;
}

.hero-stats div {
  min-width: 0;
  padding: 0 18px;
  border-left: 1px solid var(--line);
}

.hero-stats div:first-child {
  padding-left: 0;
  border-left: 0;
}

.hero-stats dt {
  color: var(--ink);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 24px;
  font-weight: 720;
  line-height: 1.2;
}

.hero-stats dd {
  margin: 4px 0 0;
  color: var(--ink-faint);
  font-size: 12px;
}

.machine-panel {
  align-self: center;
  border: 1px solid var(--console-line);
  border-radius: var(--radius);
  background: var(--console);
  box-shadow: var(--shadow);
  color: var(--console-ink);
  overflow: hidden;
}

.machine-panel-head {
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  border-bottom: 1px solid var(--console-line);
  color: var(--console-muted);
  font-size: 10px;
  font-weight: 700;
}

.machine-panel-head > span:first-child,
.live-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.machine-panel-head .icon {
  width: 14px;
  height: 14px;
}

.live-label {
  color: var(--accent);
}

.live-label i {
  background: var(--accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 10%, transparent);
  animation: status-pulse 2.2s ease-in-out infinite;
}

.signal-map {
  height: 194px;
  padding: 24px 22px 18px;
  border-bottom: 1px solid var(--console-line);
  background-color: var(--console-surface);
}

.signal-axis,
.signal-readout {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  color: var(--console-muted);
  font-size: 9px;
}

.signal-axis span:nth-child(2),
.signal-readout span:nth-child(2) {
  text-align: center;
}

.signal-axis span:last-child,
.signal-readout span:last-child {
  text-align: right;
}

.signal-lane {
  display: grid;
  height: 28px;
  grid-template-columns: 10px 1fr 10px 1fr 10px;
  align-items: center;
  margin: 4px 3px;
}

.signal-lane i {
  width: 9px;
  height: 9px;
  display: block;
  border: 2px solid var(--accent);
  background: var(--console-surface);
}

.signal-lane b {
  display: block;
  border-top: 1px solid var(--console-line);
}

.signal-lane:nth-of-type(3) i {
  border-color: var(--orange);
}

.signal-lane:nth-of-type(4) i {
  border-color: var(--blue);
}

.signal-lane i:last-child {
  background: var(--accent);
}

.signal-lane:nth-of-type(3) i:last-child {
  background: var(--orange);
}

.signal-lane:nth-of-type(4) i:last-child {
  background: var(--blue);
}

.signal-readout {
  margin-top: 11px;
  color: var(--console-ink);
}

.machine-endpoints a {
  height: 43px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  border-bottom: 1px solid var(--console-line);
  color: var(--console-ink);
  font-size: 11px;
  text-decoration: none;
  transition: background 140ms ease;
}

.machine-endpoints a:last-child {
  border-bottom: 0;
}

.machine-endpoints a:hover {
  background: rgba(255, 255, 255, 0.04);
}

.machine-endpoints b {
  margin-right: 8px;
  color: var(--accent);
  font-weight: 700;
}

.machine-endpoints em {
  color: var(--console-muted);
  font-size: 9px;
  font-style: normal;
}

.capability-strip {
  border-bottom: 1px solid var(--line);
  background: var(--page);
}

.capability-strip-inner {
  min-height: 54px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  align-items: center;
}

.capability-strip span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  border-left: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 650;
}

.capability-strip span:first-child {
  border-left: 0;
}

.cap-dot {
  width: 8px;
  height: 8px;
  display: inline-block;
}

.cap-green { background: var(--green); }
.cap-orange { background: var(--orange); }
.cap-blue { background: var(--blue); }
.cap-violet { background: var(--violet); }

.catalog-section,
.data-principle,
.data-capabilities,
.release-section {
  scroll-margin-top: var(--header-height);
}

.catalog-section {
  padding: 88px 0 100px;
}

.data-principle {
  padding: 112px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.principle-inner {
  display: grid;
  grid-template-columns: minmax(420px, 0.86fr) minmax(540px, 1.14fr);
  align-items: center;
  gap: 78px;
}

.principle-kicker {
  margin: 0 0 15px;
  color: var(--green);
  font-size: 15px;
  font-weight: 760;
}

.principle-copy h2 {
  max-width: 640px;
  margin: 0;
  font-size: 44px;
  font-weight: 820;
  line-height: 1.24;
}

.principle-lead {
  max-width: 620px;
  margin: 24px 0 0;
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.85;
}

.principle-points {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 42px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.principle-points > div {
  min-width: 0;
  padding: 20px 18px;
  border-left: 1px solid var(--line);
}

.principle-points > div:first-child {
  padding-left: 0;
  border-left: 0;
}

.principle-points span,
.principle-points strong {
  display: block;
}

.principle-points span {
  color: var(--green);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 9px;
}

.principle-points > div:nth-child(2) span {
  color: var(--orange);
}

.principle-points > div:nth-child(3) span {
  color: var(--violet);
}

.principle-points strong {
  margin-top: 7px;
  font-size: 13px;
}

.principle-points p {
  margin: 6px 0 0;
  color: var(--ink-faint);
  font-size: 11px;
  line-height: 1.65;
}

.benchmark-evidence {
  min-width: 0;
}

.benchmark-map {
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.benchmark-map-head,
.benchmark-map-row {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr 1.15fr;
}

.benchmark-map-head {
  color: var(--ink-faint);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 9px;
  font-weight: 700;
}

.benchmark-map-head span,
.benchmark-map-row > * {
  min-width: 0;
  margin: 0;
  padding: 11px 12px;
  border-left: 1px solid var(--line);
}

.benchmark-map-head span:first-child,
.benchmark-map-row > *:first-child {
  padding-left: 0;
  border-left: 0;
}

.benchmark-map-row {
  border-top: 1px solid var(--line);
  font-size: 11px;
  line-height: 1.45;
}

.benchmark-map-row strong {
  color: var(--ink);
  font-size: 11px;
}

.benchmark-map-row span {
  color: var(--accent-strong);
  font-weight: 700;
}

.benchmark-map-row p {
  color: var(--ink-soft);
}

.benchmark-verifier-note {
  margin: 14px 0 0;
  color: var(--ink-faint);
  font-size: 10px;
  line-height: 1.65;
}

.benchmark-verifier-note strong {
  color: var(--ink-soft);
}

.trace-evidence-compact {
  margin-top: 26px;
}

.trace-evidence-compact .trace-evidence-image {
  aspect-ratio: 16 / 6;
}

.trace-evidence-compact .trace-evidence-image img {
  object-position: center 20%;
}

.trace-evidence-compact figcaption {
  padding-top: 14px;
}

.trace-evidence {
  min-width: 0;
  margin: 0;
}

.trace-evidence-image {
  aspect-ratio: 16 / 9;
  display: block;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface-muted);
  overflow: hidden;
}

.trace-evidence-image img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  transition: transform 220ms ease;
}

.trace-evidence-image:hover img {
  transform: scale(1.008);
}

.trace-evidence figcaption {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  gap: 28px;
  padding-top: 19px;
}

.trace-evidence figcaption span,
.trace-evidence figcaption strong {
  display: block;
}

.trace-evidence figcaption span {
  color: var(--accent-strong);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 9px;
  font-weight: 720;
}

.trace-evidence figcaption strong {
  margin-top: 6px;
  font-size: 18px;
}

.trace-evidence figcaption p {
  max-width: 620px;
  margin: 5px 0 0;
  color: var(--ink-faint);
  font-size: 12px;
  line-height: 1.65;
}

.trace-evidence figcaption > a,
.capability-row > a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--ink);
  font-size: 11px;
  font-weight: 720;
  text-decoration: none;
  white-space: nowrap;
}

.trace-evidence figcaption > a {
  min-height: 36px;
  border-bottom: 1px solid var(--ink);
}

.trace-evidence figcaption > a:hover,
.capability-row > a:hover {
  color: var(--green);
}

.trace-evidence figcaption .icon,
.capability-row > a .icon {
  width: 15px;
  height: 15px;
}

.data-capabilities {
  padding: 104px 0 112px;
  border-bottom: 1px solid var(--line);
  background: var(--page);
}

.capabilities-heading {
  margin-bottom: 42px;
}

.capability-ledger {
  border-top: 1px solid var(--line-strong);
}

.capability-row {
  --row-accent: var(--green);
  position: relative;
  min-height: 146px;
  display: grid;
  grid-template-columns: 44px 250px minmax(280px, 1fr) minmax(210px, 0.75fr) 118px;
  align-items: center;
  gap: 24px;
  padding: 25px 12px 25px 18px;
  border-bottom: 1px solid var(--line);
}

.capability-row::before {
  position: absolute;
  top: 24px;
  bottom: 24px;
  left: 0;
  width: 3px;
  background: var(--row-accent);
  content: "";
}

.capability-row-evolution { --row-accent: var(--blue); }
.capability-row-planner { --row-accent: var(--orange); }
.capability-row-real { --row-accent: var(--violet); }

.capability-number {
  align-self: start;
  padding-top: 3px;
  color: var(--ink-faint);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 11px;
}

.capability-name {
  min-width: 0;
}

.capability-name > span {
  display: block;
  margin-bottom: 7px;
  color: var(--row-accent);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 9px;
  font-weight: 720;
}

.capability-name h3 {
  margin: 0;
  font-size: 20px;
  line-height: 1.35;
}

.capability-row > p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.75;
}

.capability-row > code {
  color: var(--ink-faint);
  font-size: 10px;
  line-height: 1.65;
  overflow-wrap: anywhere;
}

.capability-row > a,
.capability-mode {
  justify-self: end;
}

.capability-mode {
  color: var(--ink-faint);
  font-size: 10px;
  font-weight: 680;
  text-align: right;
}

.delivery-method {
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(620px, 1.28fr);
  align-items: center;
  gap: 64px;
  margin-top: 72px;
  padding: 34px 0;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.delivery-method-copy > span {
  color: var(--accent-strong);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 9px;
  font-weight: 720;
}

.delivery-method-copy h3 {
  max-width: 430px;
  margin: 9px 0 0;
  font-size: 24px;
  line-height: 1.35;
}

.delivery-method ol {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  list-style: none;
}

.delivery-method li {
  min-width: 0;
  padding: 0 18px;
  border-left: 1px solid var(--line);
}

.delivery-method li span,
.delivery-method li strong,
.delivery-method li small {
  display: block;
}

.delivery-method li span {
  color: var(--accent-strong);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 9px;
}

.delivery-method li strong {
  margin-top: 7px;
  font-size: 13px;
}

.delivery-method li small {
  margin-top: 5px;
  color: var(--ink-faint);
  font-size: 10px;
  line-height: 1.55;
}

.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 34px;
}

.section-index {
  display: block;
  margin-bottom: 8px;
  color: var(--accent-strong);
  font-size: 11px;
  font-weight: 750;
}

.section-heading h2,
.agent-access h2,
.release-heading h2 {
  margin: 0;
  font-size: 36px;
  font-weight: 800;
  line-height: 1.2;
}

.section-heading p {
  max-width: 430px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
}

.catalog-toolbar {
  display: grid;
  grid-template-columns: minmax(280px, 1fr) auto 160px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.catalog-search {
  min-width: 0;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  border-right: 1px solid var(--line);
}

.search-scope {
  display: flex;
  align-items: stretch;
  gap: 2px;
  padding: 5px;
  border-right: 1px solid var(--line);
}

.search-scope[hidden] {
  display: none !important;
}

.catalog-search:has(.search-scope[hidden]),
.catalog-search:not(:has(.search-scope)) {
  grid-template-columns: minmax(0, 1fr);
}

.search-scope-button {
  min-height: 42px;
  padding: 0 10px;
  border: 0;
  border-radius: 5px;
  background: transparent;
  color: var(--ink-faint);
  cursor: pointer;
  font-size: 10px;
  font-weight: 700;
  white-space: nowrap;
}

.search-scope-button:hover {
  color: var(--ink);
}

.search-scope-button.is-active {
  background: var(--surface-muted);
  color: var(--ink);
}

.search-scope-button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

.search-field {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 0 16px;
}

.search-field .icon {
  color: var(--ink-faint);
}

.search-field input {
  width: 100%;
  height: 52px;
  padding: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
  font-size: 14px;
}

.search-field input::placeholder {
  color: var(--ink-faint);
  opacity: 1;
}

.filter-tabs {
  display: flex;
  align-items: stretch;
  padding: 5px;
  border-right: 1px solid var(--line);
}

.filter-tab {
  min-height: 42px;
  padding: 0 13px;
  border-radius: 3px;
  background: transparent;
  color: var(--ink-soft);
  cursor: pointer;
  font-size: 12px;
  font-weight: 680;
  white-space: nowrap;
}

.filter-tab span {
  margin-left: 4px;
  color: var(--ink-faint);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 10px;
}

.filter-tab:hover {
  color: var(--ink);
}

.filter-tab.is-active {
  background: var(--ink);
  color: var(--surface);
}

.filter-tab.is-active span {
  color: color-mix(in srgb, var(--surface) 70%, transparent);
}

.sort-field {
  position: relative;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 7px;
  padding-left: 14px;
  color: var(--ink-faint);
  font-size: 11px;
}

.sort-field select {
  width: 100%;
  height: 52px;
  padding: 0 30px 0 0;
  border: 0;
  outline: 0;
  appearance: none;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  font-size: 12px;
  font-weight: 650;
}

.sort-field .icon {
  position: absolute;
  right: 12px;
  width: 15px;
  height: 15px;
  pointer-events: none;
}

.catalog-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 2px 10px;
  color: var(--ink-faint);
  font-size: 10px;
}

.dataset-list {
  display: grid;
  gap: 10px;
}

.dataset-card {
  position: relative;
  min-height: 168px;
  display: grid;
  grid-template-columns: 40px minmax(0, 1.7fr) minmax(188px, 0.62fr) 152px;
  align-items: stretch;
  gap: 16px 18px;
  padding: 20px 18px 20px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
  transition: border-color 150ms ease, box-shadow 150ms ease, transform 150ms ease;
}

.dataset-card::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 4px;
  background: var(--dataset-accent, var(--green));
  content: "";
}

.dataset-card:hover {
  border-color: var(--line-strong);
  box-shadow: 0 12px 36px rgba(20, 29, 25, 0.07);
  transform: translateY(-1px);
}

.dataset-card[data-category="expert_evaluation"],
.dataset-card[data-category="stem_data"] {
  --dataset-accent: var(--orange);
}

.dataset-card[data-category="rl_sft_environment"] {
  --dataset-accent: var(--green);
}

.dataset-card[data-category="vertical_domain"] {
  --dataset-accent: var(--orange);
}

.dataset-card[data-category="real_trajectory"],
.dataset-card[data-category="agent_trajectory"] {
  --dataset-accent: var(--blue);
}

.dataset-card[data-category="high_quality_trajectory"] {
  --dataset-accent: var(--violet);
}

.dataset-card[data-visual="branched_trace"] {
  --dataset-accent: var(--blue);
}

.dataset-card[data-slug="hermes-function-calling-trajectory"] {
  --dataset-accent: var(--accent-strong);
}

.dataset-card[data-slug="physics-phd-evaluation"] {
  --dataset-accent: var(--violet);
}

.product-line-card {
  position: relative;
  min-height: 168px;
  display: grid;
  grid-template-columns: 40px minmax(0, 1.7fr) minmax(188px, 0.62fr) 152px;
  align-items: stretch;
  gap: 16px 18px;
  padding: 20px 18px 20px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
  transition: border-color 150ms ease, box-shadow 150ms ease, transform 150ms ease;
}

.product-line-card::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 4px;
  background: var(--dataset-accent, var(--green));
  content: "";
}

.product-line-card:hover {
  border-color: var(--line-strong);
  box-shadow: 0 12px 36px rgba(20, 29, 25, 0.07);
  transform: translateY(-1px);
}

.product-line-card[data-accent="green"] { --dataset-accent: var(--green); }
.product-line-card[data-accent="blue"] { --dataset-accent: var(--blue); }
.product-line-card[data-accent="orange"] { --dataset-accent: var(--orange); }
.product-line-card[data-accent="violet"] { --dataset-accent: var(--violet); }

.product-line-card .dataset-index {
  color: var(--dataset-accent, var(--accent));
  font-size: 17px;
  font-weight: 750;
  line-height: 1.1;
}

.product-line-card .dataset-title-line h3 {
  font-size: 28px;
  line-height: 1.16;
}

.product-chip {
  display: inline-flex;
  padding: 4px 8px;
  border: 1px solid var(--line);
  background: var(--surface-raised);
  color: var(--ink-soft);
  font-size: 11px;
  font-weight: 650;
}

.compare-bars {
  display: grid;
  gap: 10px;
  margin: 2px 0 10px;
}

.compare-bar-title {
  margin-bottom: 5px;
  color: var(--ink-faint);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.compare-bar-row {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 8px;
  align-items: center;
  margin-bottom: 4px;
}

.compare-bar-row span {
  color: var(--ink-soft);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 11px;
}

.compare-bar-row i {
  display: block;
  height: 10px;
  border-radius: 2px;
  background: var(--blue);
}

.compare-bar-row.is-target i {
  background: var(--green);
}

.proof-metrics {
  display: grid;
  gap: 0;
}

.proof-metrics div {
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}

.proof-metrics div:last-child {
  border-bottom: 0;
}

.proof-metrics strong {
  display: block;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 18px;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.proof-metrics small {
  display: block;
  margin-top: 5px;
  color: var(--ink-soft);
  font-size: 11px;
}

.proof-metrics em {
  display: block;
  margin-top: 2px;
  color: var(--ink-faint);
  font-size: 10px;
  font-style: normal;
}

.quality-value-score {
  font-family: "SFMono-Regular", Consolas, monospace !important;
  font-size: 26px !important;
  font-weight: 650 !important;
  letter-spacing: -0.03em;
  color: var(--ink);
}

.quality-metric {
  display: block;
  margin-top: 6px;
  color: var(--ink-soft);
  font-size: 10px;
  font-weight: 700;
}

.product-line-viz {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
  min-height: 42px;
  align-items: end;
  padding: 8px 0;
}

.product-line-viz i {
  display: block;
  height: calc(18px + (var(--i, 1) * 6px));
  border-radius: 2px;
  background: color-mix(in srgb, var(--dataset-accent, var(--green)) 72%, transparent);
}

.product-line-viz i:nth-child(1) { --i: 1; height: 18px; }
.product-line-viz i:nth-child(2) { height: 28px; }
.product-line-viz i:nth-child(3) { height: 36px; }
.product-line-viz i:nth-child(4) { height: 24px; }
.product-line-viz i:nth-child(5) { height: 42px; }

.category-breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 20px;
  color: var(--ink-faint);
  font-size: 12px;
  line-height: 1.4;
}

.category-breadcrumb a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--ink-soft);
  font-weight: 650;
  text-decoration: none;
}

.category-breadcrumb a:hover {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.category-breadcrumb .icon {
  width: 14px;
  height: 14px;
}

.category-breadcrumb strong {
  color: var(--ink);
  font-weight: 700;
}

.category-hero-section {
  padding-top: 40px;
}

.category-hero-section .category-breadcrumb {
  margin-bottom: 14px;
}

.category-hero-section .section-heading {
  align-items: flex-start;
  margin-bottom: 22px;
}

.category-hero-section .section-heading p {
  max-width: 520px;
}

.category-hero-section .catalog-summary {
  padding-top: 12px;
  padding-bottom: 8px;
}

.trace-node.type-task,
.trace-node.type-action,
.trace-node.type-state,
.trace-node.type-verify,
.trace-node.type-reward,
.trace-node.type-inspect,
.trace-node.type-answer,
.trace-node.type-brief,
.trace-node.type-retrieve,
.trace-node.type-decide,
.trace-node.type-write,
.trace-node.type-score,
.trace-node.type-policy,
.trace-node.type-oracle {
  background: var(--green);
  outline-color: var(--green);
}

.trace-node.type-verify,
.trace-node.type-reward,
.trace-node.type-oracle { background: var(--blue); outline-color: var(--blue); }
.trace-node.type-answer,
.trace-node.type-write,
.trace-node.type-score { background: var(--accent-strong); outline-color: var(--accent-strong); }
.trace-node.type-decide,
.trace-node.type-inspect { background: var(--orange); outline-color: var(--orange); }

@media (max-width: 1100px) {
  .product-line-card {
    grid-template-columns: 36px minmax(0, 1fr);
    align-items: start;
    gap: 14px 16px;
  }

  .product-line-card .dataset-preview,
  .product-line-card .dataset-actions {
    grid-column: 2;
    grid-row: auto;
    align-self: stretch;
  }

  .product-line-card .dataset-preview {
    padding: 12px 0 0;
    border: 0;
    border-top: 1px solid var(--line);
  }

  .product-line-card .dataset-quality {
    display: none;
  }

  .product-line-card .dataset-actions {
    grid-template-columns: 1fr 1fr;
    margin-top: 4px;
  }

  .product-line-card .download-meta {
    grid-column: 1 / -1;
  }
}

.dataset-index {
  align-self: flex-start;
  padding-top: 2px;
  color: var(--ink-faint);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
}

.dataset-main {
  min-width: 0;
}

.dataset-eyebrow {
  margin-bottom: 7px;
  color: var(--dataset-accent, var(--green));
  font-size: 10px;
  font-weight: 750;
}

.dataset-title-line {
  display: flex;
  align-items: center;
  gap: 9px;
}

.dataset-title-line h3 {
  min-width: 0;
  margin: 0;
  font-size: 22px;
  font-weight: 780;
  line-height: 1.25;
}

.verified-mark {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 4px;
  color: var(--green);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 9px;
  font-weight: 700;
}

.verified-mark .icon {
  width: 13px;
  height: 13px;
}

.dataset-description {
  max-width: 700px;
  margin: 9px 0 12px;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.65;
}

.dataset-positioning {
  max-width: 760px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 9px;
  margin: 0 0 12px;
  padding: 8px 10px;
  border-left: 2px solid var(--dataset-accent, var(--accent));
  background: color-mix(in srgb, var(--dataset-accent, var(--accent)) 6%, transparent);
}

.dataset-positioning span {
  color: var(--dataset-accent, var(--accent));
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 9px;
  font-weight: 760;
}

.dataset-positioning strong {
  min-width: 0;
  color: var(--ink);
  font-size: 11px;
}

.dataset-positioning em {
  color: var(--ink-faint);
  font-size: 10px;
  font-style: normal;
  white-space: nowrap;
}

.dataset-user-query {
  max-width: 720px;
  margin: 11px 0 12px;
  padding-left: 11px;
  border-left: 2px solid var(--dataset-accent, var(--accent));
}

.dataset-user-query span {
  display: block;
  margin-bottom: 4px;
  color: var(--dataset-accent, var(--accent));
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 9px;
  font-weight: 750;
}

.dataset-user-query p {
  display: -webkit-box;
  margin: 0;
  overflow: hidden;
  color: var(--ink-soft);
  font-size: 12px;
  line-height: 1.55;
  overflow-wrap: anywhere;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.dataset-content-excerpt {
  max-width: 760px;
  margin: 12px 0 10px;
  padding: 10px 12px;
  border-left: 3px solid var(--dataset-accent, var(--accent));
  background: color-mix(in srgb, var(--dataset-accent, var(--accent)) 8%, transparent);
}

.dataset-content-excerpt span {
  display: block;
  margin-bottom: 5px;
  color: var(--dataset-accent, var(--accent));
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 9px;
  font-weight: 750;
  letter-spacing: 0.06em;
}

.dataset-content-excerpt p {
  display: -webkit-box;
  margin: 0;
  overflow: hidden;
  color: var(--ink);
  font-size: 13px;
  line-height: 1.55;
  overflow-wrap: anywhere;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 4;
}

.dataset-inventory {
  max-width: 760px;
  margin: 0 0 10px;
  padding: 0;
  list-style: none;
}

.dataset-inventory li {
  position: relative;
  margin: 0;
  padding: 3px 0 3px 14px;
  color: var(--ink-soft);
  font-size: 12px;
  line-height: 1.45;
}

.dataset-inventory li::before {
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 5px;
  height: 5px;
  border-radius: 1px;
  background: var(--dataset-accent, var(--accent));
  content: "";
}

.dataset-modalities {
  display: flex;
  flex-wrap: wrap;
  align-content: flex-start;
  gap: 4px;
  max-height: 42px;
  margin: 0;
  overflow: hidden;
}

.modality-chip {
  box-sizing: border-box;
  height: 19px;
  padding: 2px 5px;
  border: 1px solid var(--line);
  border-radius: 2px;
  color: var(--ink-soft);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 10px;
  line-height: 13px;
  letter-spacing: 0.02em;
}

.dataset-selection {
  margin: 0 0 8px;
  color: var(--ink-faint, var(--ink-soft));
  font-size: 11px;
  letter-spacing: 0.01em;
}

.dataset-card.is-content-first {
  align-items: stretch;
  min-height: 0;
}

.dataset-card.is-content-first .dataset-quality,
.dataset-card.is-content-first .dataset-actions {
  padding-top: 0;
}

.dataset-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.dataset-tag {
  padding: 3px 7px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--surface-raised);
  color: var(--ink-faint);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 9px;
}

.dataset-preview {
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 4px 16px 4px 16px;
  border-right: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.preview-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 13px;
  color: var(--ink-faint);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 9px;
}

.trace-viz {
  position: relative;
  height: 28px;
  display: grid;
  grid-template-columns: repeat(var(--node-count), 9px);
  align-items: center;
  justify-content: space-between;
}

.trace-viz::before {
  position: absolute;
  right: 4px;
  left: 4px;
  top: 50%;
  border-top: 1px solid var(--line-strong);
  content: "";
}

.trace-node {
  position: relative;
  z-index: 1;
  width: 9px;
  height: 9px;
  border: 2px solid var(--surface);
  outline: 1px solid var(--green);
  background: var(--green);
}

.trace-node.type-user { background: var(--orange); outline-color: var(--orange); }
.trace-node.type-tool { background: var(--green); outline-color: var(--green); }
.trace-node.type-subagent { background: var(--blue); outline-color: var(--blue); transform: translateY(-6px); }
.trace-node.type-merge { background: var(--violet); outline-color: var(--violet); transform: translateY(5px); }
.trace-node.type-output { background: var(--accent-strong); outline-color: var(--accent-strong); }

.eval-viz {
  display: grid;
  grid-template-columns: repeat(6, minmax(7px, 1fr));
  gap: 4px;
}

.eval-cell {
  height: 9px;
  display: block;
  background: var(--surface-muted);
}

.eval-cell.level-low { background: color-mix(in srgb, var(--orange) 58%, var(--surface-muted)); }
.eval-cell.level-mid { background: color-mix(in srgb, var(--blue) 72%, var(--surface-muted)); }
.eval-cell.level-high { background: var(--green); }
.eval-cell.level-unscored { border: 1px solid var(--line-strong); background: transparent; }

.preview-metrics {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-top: 4px;
}

.preview-metrics:not(.proof-metrics) div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  min-width: 0;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
}

.preview-metrics:not(.proof-metrics) div:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.preview-metrics:not(.proof-metrics) div:first-child {
  padding-top: 2px;
}

.preview-metrics strong,
.preview-metrics small {
  display: block;
}

.preview-metrics:not(.proof-metrics) strong {
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 20px;
  font-weight: 650;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--ink);
  order: 2;
}

.preview-metrics:not(.proof-metrics) small {
  color: var(--ink-soft);
  font-size: 11px;
  font-weight: 600;
  order: 1;
}

.dataset-card.is-metrics-rail .dataset-actions {
  align-self: center;
}

.dataset-card.is-metrics-rail .dataset-quality {
  display: none;
}

.preview-token-breakdown {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: 11px;
  padding-top: 9px;
  border-top: 1px solid var(--line);
  color: var(--ink-faint);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 9px;
  white-space: nowrap;
}

.preview-token-breakdown b {
  color: var(--ink);
  font-weight: 700;
}

.preview-token-breakdown i {
  color: var(--dataset-accent, var(--accent));
  font-style: normal;
}

.preview-metrics strong {
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  font-weight: 680;
}

.preview-metrics small {
  color: var(--ink-faint);
  font-size: 9px;
}

.dataset-quality {
  grid-column: 4;
  grid-row: 1;
  align-self: start;
  min-width: 0;
  padding-bottom: 10px;
}

.quality-value {
  display: flex;
  align-items: center;
  color: var(--dataset-accent, var(--green));
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 28px;
  font-weight: 650;
  letter-spacing: -0.04em;
  line-height: 1;
}

.quality-value .icon {
  width: 21px;
  height: 21px;
  stroke-width: 2.3;
}

.quality-label {
  display: block;
  margin-top: 6px;
  color: var(--ink-faint);
  font-size: 10px;
}

.dataset-actions {
  grid-column: 4;
  grid-row: 1;
  align-self: end;
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  width: 100%;
}

.product-line-card .dataset-quality {
  display: none;
}

.product-line-card .dataset-actions {
  align-self: center;
  gap: 10px;
}

.product-line-card .dataset-action {
  min-height: 48px;
  padding-right: 14px;
  padding-left: 14px;
  font-size: 12px;
}

.product-line-card .dataset-action .icon {
  width: 16px;
  height: 16px;
}

.dataset-action {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--surface-raised);
  color: var(--ink);
  font-size: 11px;
  font-weight: 720;
  text-decoration: none;
  white-space: nowrap;
  transition: background 140ms ease, border-color 140ms ease, color 140ms ease;
}

.dataset-action .icon {
  width: 15px;
  height: 15px;
}

.dataset-action:hover {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--surface);
}

.dataset-action-download {
  border-color: color-mix(in srgb, var(--dataset-accent, var(--green)) 50%, var(--line));
}

.download-meta {
  grid-column: 1 / -1;
  color: var(--ink-faint);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 9px;
  text-align: center;
}

.catalog-loading {
  display: grid;
  gap: 10px;
}

.catalog-loading i {
  height: 176px;
  display: block;
  border: 1px solid var(--line);
  background: var(--surface);
  opacity: 0.65;
  animation: loading-fade 1.4s ease-in-out infinite alternate;
}

.catalog-loading i:nth-child(2) { animation-delay: 120ms; }
.catalog-loading i:nth-child(3) { animation-delay: 240ms; }

.empty-state {
  padding: 64px 24px;
  border: 1px solid var(--line);
  background: var(--surface);
  text-align: center;
}

.empty-state strong,
.empty-state span {
  display: block;
}

.empty-state span {
  margin-top: 6px;
  color: var(--ink-faint);
  font-size: 13px;
}

.noscript-catalog {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  padding: 18px;
  border: 1px solid var(--line);
  background: var(--surface);
}

.noscript-catalog p {
  width: 100%;
  margin: 0;
}

.agent-access {
  scroll-margin-top: var(--header-height);
  border-top: 1px solid #28332f;
  border-bottom: 1px solid #28332f;
  background: var(--console);
  color: var(--console-ink);
}

.agent-access-inner {
  min-height: 540px;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(480px, 1.05fr);
  align-items: center;
  gap: 90px;
  padding-top: 72px;
  padding-bottom: 72px;
}

.section-index-dark {
  color: var(--accent);
}

.agent-access h2 {
  max-width: 580px;
  font-size: 42px;
}

.agent-access-copy > p {
  max-width: 540px;
  margin: 18px 0 0;
  color: var(--console-muted);
  font-size: 16px;
  line-height: 1.7;
}

.protocol-flow {
  display: grid;
  grid-template-columns: 1fr 34px 1fr 34px 1fr;
  align-items: center;
  margin-top: 46px;
}

.protocol-flow div {
  min-width: 0;
}

.protocol-flow span,
.protocol-flow strong,
.protocol-flow small {
  display: block;
}

.protocol-flow span {
  color: var(--accent);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 10px;
}

.protocol-flow strong {
  margin-top: 7px;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 11px;
}

.protocol-flow small {
  margin-top: 4px;
  color: var(--console-muted);
  font-size: 9px;
}

.protocol-flow > i {
  display: block;
  border-top: 1px solid var(--console-line);
}

.access-console {
  border: 1px solid var(--console-line);
  border-radius: var(--radius);
  background: var(--console-surface);
}

.access-console-head {
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 17px;
  border-bottom: 1px solid var(--console-line);
  color: var(--console-muted);
  font-size: 9px;
}

.access-endpoint-list > div {
  min-height: 70px;
  display: grid;
  grid-template-columns: 1fr 44px;
  align-items: center;
  gap: 12px;
  padding: 9px 13px 9px 17px;
  border-bottom: 1px solid var(--console-line);
}

.access-endpoint-list a {
  min-width: 0;
  text-decoration: none;
}

.access-endpoint-list small,
.access-endpoint-list code {
  display: block;
}

.access-endpoint-list small {
  margin-bottom: 5px;
  color: var(--accent);
  font-size: 9px;
}

.access-endpoint-list code {
  overflow: hidden;
  color: var(--console-ink);
  font-size: 13px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.access-console .copy-button {
  border-color: var(--console-line);
  color: var(--console-muted);
}

.access-console .copy-button:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.command-line {
  min-height: 60px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 44px;
  align-items: center;
  gap: 12px;
  padding: 8px 13px 8px 17px;
  border-bottom: 1px solid var(--console-line);
  background: #0b100e;
}

.command-line code {
  overflow: hidden;
  color: #cbd5d0;
  font-size: 11px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.manifest-link {
  min-height: 54px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 17px;
  color: var(--accent);
  font-size: 10px;
  font-weight: 750;
  text-decoration: none;
}

.manifest-link:hover {
  background: color-mix(in srgb, var(--accent) 10%, transparent);
}

.release-section {
  padding: 86px 0;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.release-inner {
  display: grid;
  grid-template-columns: minmax(260px, 0.7fr) 220px minmax(440px, 1.3fr);
  align-items: end;
  gap: 50px;
}

.release-heading h2 {
  font-size: 30px;
}

.release-status {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-left: 20px;
  border-left: 1px solid var(--line);
}

.release-version {
  color: var(--green);
  font-size: 28px;
  font-weight: 750;
}

.release-status strong,
.release-status small {
  display: block;
}

.release-status strong {
  font-size: 12px;
}

.release-status small {
  margin-top: 2px;
  color: var(--ink-faint);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 9px;
}

.release-principles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}

.release-principles div {
  min-width: 0;
  padding: 0 22px;
  border-left: 1px solid var(--line);
}

.release-principles span,
.release-principles strong,
.release-principles small {
  display: block;
}

.release-principles span {
  color: var(--accent-strong);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 9px;
}

.release-principles strong {
  margin-top: 7px;
  font-size: 13px;
}

.release-principles small {
  margin-top: 4px;
  color: var(--ink-faint);
  font-size: 10px;
}

.site-footer {
  background: var(--page);
}

.footer-inner {
  min-height: 108px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 30px;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 720;
}

.brand-mark-small {
  width: 20px;
  height: 20px;
  flex-basis: 20px;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.footer-links a {
  color: var(--ink-soft);
  font-size: 11px;
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--green);
}

.footer-meta {
  justify-self: end;
  color: var(--ink-faint);
  font-size: 9px;
}

/* Anthropic-inspired editorial theme: warm paper, strong type, restrained accents. */
.site-header {
  background: color-mix(in srgb, var(--page) 96%, transparent);
  backdrop-filter: none;
}

.brand-mark i:nth-child(1),
.brand-mark i:nth-child(6),
.brand-mark i:nth-child(8),
.brand-mark i:nth-child(3),
.brand-mark i:nth-child(7) {
  background: var(--accent);
}

.brand-name {
  font-weight: 800;
}

.main-nav a::after {
  background: var(--accent);
}

.hero {
  background: var(--page);
}

.hero-inner {
  min-height: 580px;
  grid-template-columns: minmax(0, 1.06fr) minmax(430px, 0.94fr);
  gap: 88px;
}

.hero-copy {
  padding-top: 84px;
  padding-bottom: 58px;
}

.hero h1 {
  max-width: 760px;
  margin-top: 24px;
  margin-bottom: 24px;
  font-size: 64px;
  font-weight: 800;
  line-height: 1.03;
}

.hero h1 span {
  color: var(--accent-strong);
}

.hero-lead {
  max-width: 690px;
  color: var(--ink-soft);
  font-family: var(--font-serif);
  font-size: 19px;
  line-height: 1.72;
}

.hero-lead strong {
  margin-bottom: 8px;
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 650;
  line-height: 1.5;
}

.button,
.icon-button,
.copy-button,
.machine-panel,
.access-console,
.catalog-toolbar,
.dataset-card,
.trace-evidence-image {
  border-radius: 8px;
}

.button:hover {
  transform: none;
}

.button-primary:hover {
  border-color: var(--accent-strong);
  background: var(--accent-strong);
}

.machine-panel {
  box-shadow: none;
}

.live-label,
.machine-endpoints b,
.manifest-link,
.access-endpoint-list small,
.section-index,
.section-index-dark,
.principle-kicker,
.delivery-method-copy > span,
.delivery-method li span {
  color: var(--accent);
}

.live-label i,
.signal-lane i:last-child {
  background: var(--accent);
}

.capability-strip {
  background: var(--surface);
}

.catalog-section,
.data-capabilities {
  background: var(--page);
}

.data-principle,
.release-section {
  background: var(--surface);
}

.principle-copy h2,
.section-heading h2,
.agent-access h2,
.release-heading h2,
.delivery-method-copy h3,
.trace-evidence figcaption strong,
.dataset-title-line h3 {
  font-family: var(--font-serif);
  font-weight: 650;
}

.principle-copy h2 {
  line-height: 1.32;
}

.principle-lead,
.section-heading > p,
.agent-access-copy > p {
  font-family: var(--font-serif);
}

.principle-points > div {
  padding-top: 24px;
  padding-bottom: 24px;
}

.principle-points strong,
.release-principles strong {
  font-family: var(--font-serif);
  font-size: 14px;
  font-weight: 650;
}

.trace-evidence-image {
  border-color: var(--line);
}

.trace-evidence-image:hover img {
  transform: none;
}

.capability-row::before {
  width: 2px;
}

.capability-name h3 {
  font-family: var(--font-serif);
  font-weight: 650;
}

.catalog-toolbar {
  overflow: hidden;
}

.filter-tab {
  border-radius: 6px;
}

.filter-tab.is-active {
  background: var(--ink);
  color: var(--surface);
}

.dataset-card {
  cursor: pointer;
  box-shadow: none;
  transition: border-color 150ms ease, background 150ms ease;
}

.dataset-card::before {
  width: 3px;
  background: var(--dataset-accent, var(--accent));
}

.dataset-card:hover,
.dataset-card:focus-within {
  border-color: var(--ink);
  background: var(--surface-raised);
  box-shadow: none;
  transform: none;
}

.dataset-card-link {
  color: inherit;
  text-decoration: none;
}

.dataset-card-link::after {
  position: absolute;
  z-index: 1;
  inset: 0;
  content: "";
}

.dataset-card-link:focus-visible {
  outline: 0;
}

.dataset-card-link:focus-visible::after {
  outline: 3px solid var(--accent);
  outline-offset: -3px;
}

.dataset-card:hover .dataset-title-line h3 {
  color: var(--accent-strong);
}

.dataset-title-line h3 {
  font-size: 21px;
}

.dataset-eyebrow {
  color: var(--dataset-accent, var(--accent));
}

.dataset-tag {
  border-radius: 2px;
  background: transparent;
}

.dataset-actions {
  position: static;
}

.dataset-action {
  position: relative;
  z-index: 2;
  border-radius: 6px;
  background: transparent;
}

.dataset-action:first-child {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--surface);
}

.dataset-action:first-child:hover {
  border-color: var(--accent-strong);
  background: var(--accent-strong);
}

.dataset-action-download:hover {
  border-color: var(--ink);
  background: var(--surface-muted);
  color: var(--ink);
}

.agent-access {
  border-color: var(--console-line);
}

.agent-access h2 {
  font-weight: 600;
}

.access-console,
.machine-panel {
  border-color: var(--console-line);
}

.manifest-link:hover {
  background: color-mix(in srgb, var(--accent) 10%, transparent);
}

.release-version {
  color: var(--accent-strong);
}

.footer-links a:hover {
  color: var(--accent-strong);
}

.toast {
  position: fixed;
  z-index: 500;
  right: 20px;
  bottom: 20px;
  max-width: calc(100vw - 40px);
  padding: 11px 14px;
  border: 1px solid var(--console-line);
  border-radius: 4px;
  background: var(--console);
  color: var(--console-ink);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 11px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 160ms ease, transform 160ms ease;
}

.toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes status-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}

@keyframes loading-fade {
  from { opacity: 0.35; }
  to { opacity: 0.75; }
}

@media (max-width: 1180px) {
  .hero-inner {
    grid-template-columns: minmax(0, 1fr) 420px;
    gap: 46px;
  }

  .hero h1 {
    font-size: 50px;
  }

  .principle-inner {
    grid-template-columns: minmax(390px, 0.9fr) minmax(480px, 1.1fr);
    gap: 46px;
  }

  .principle-copy h2 {
    font-size: 38px;
  }

  .principle-points > div {
    padding-right: 12px;
    padding-left: 12px;
  }

  .capability-row {
    grid-template-columns: 36px 220px minmax(250px, 1fr) 180px 106px;
    gap: 16px;
  }

  .delivery-method {
    grid-template-columns: minmax(240px, 0.7fr) minmax(580px, 1.3fr);
    gap: 34px;
  }

  .dataset-card {
    grid-template-columns: 36px minmax(0, 1.5fr) minmax(180px, 0.75fr) 144px;
    gap: 14px 14px;
    padding-right: 14px;
  }

  .dataset-preview {
    padding: 4px 14px;
  }

  .release-inner {
    grid-template-columns: minmax(240px, 0.8fr) 200px minmax(390px, 1.2fr);
    gap: 32px;
  }
}

@media (max-width: 1020px) {
  .brand,
  .header-actions {
    min-width: 0;
  }

  .brand-division,
  .system-status {
    display: none;
  }

  .main-nav {
    gap: 22px;
  }

  .hero-inner {
    min-height: 620px;
    grid-template-columns: 1fr 390px;
    gap: 34px;
  }

  .hero-copy {
    padding-top: 52px;
  }

  .hero h1 {
    font-size: 44px;
  }

  .hero-lead {
    font-size: 17px;
  }

  .hero-lead strong {
    font-size: 20px;
  }

  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px 0;
  }

  .hero-stats div:nth-child(3) {
    padding-left: 0;
    border-left: 0;
  }

  .catalog-toolbar {
    grid-template-columns: 1fr 160px;
  }

  .data-principle {
    padding: 88px 0;
  }

  .principle-inner {
    grid-template-columns: 1fr;
    gap: 52px;
  }

  .principle-copy h2,
  .principle-lead {
    max-width: 780px;
  }

  .principle-points {
    max-width: 780px;
  }

  .capability-row {
    grid-template-columns: 36px 220px minmax(280px, 1fr) 124px;
    gap: 16px 20px;
  }

  .capability-number {
    grid-column: 1;
    grid-row: 1 / span 2;
  }

  .capability-name {
    grid-column: 2;
    grid-row: 1;
  }

  .capability-row > p {
    grid-column: 3;
    grid-row: 1;
  }

  .capability-row > code {
    grid-column: 2 / 4;
    grid-row: 2;
  }

  .capability-row > a,
  .capability-mode {
    grid-column: 4;
    grid-row: 1 / span 2;
  }

  .delivery-method {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .catalog-search {
    grid-column: 1 / -1;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .dataset-card {
    grid-template-columns: 36px minmax(0, 1fr) 140px;
    align-items: stretch;
    gap: 12px 16px;
  }

  .dataset-index {
    grid-row: 1 / span 2;
  }

  .dataset-main {
    grid-column: 2;
  }

  .dataset-quality {
    grid-column: 3;
    grid-row: 1;
    align-self: start;
    padding-bottom: 8px;
  }

  .dataset-preview {
    grid-column: 2;
    grid-row: 2;
    padding: 12px 0 0;
    border: 0;
    border-top: 1px solid var(--line);
  }

  .dataset-actions {
    grid-column: 3;
    grid-row: 1 / span 2;
    align-self: end;
  }

  .download-meta {
    display: none;
  }

  .agent-access-inner {
    grid-template-columns: minmax(0, 0.9fr) minmax(400px, 1.1fr);
    gap: 50px;
  }

  .agent-access h2 {
    font-size: 34px;
  }

  .protocol-flow {
    grid-template-columns: 1fr;
    gap: 16px;
    margin-top: 32px;
  }

  .protocol-flow > i {
    display: none;
  }

  .release-inner {
    grid-template-columns: 1fr 220px;
    align-items: center;
  }

  .release-principles {
    grid-column: 1 / -1;
    padding-top: 32px;
    border-top: 1px solid var(--line);
  }
}

@media (max-width: 780px) {
  :root {
    --header-height: 60px;
  }

  .header-inner,
  .hero-inner,
  .section-inner,
  .agent-access-inner,
  .footer-inner,
  .capability-strip-inner {
    width: min(100% - 32px, var(--max-width));
  }

  .main-nav {
    display: none;
  }

  .header-actions {
    margin-left: auto;
    gap: 8px;
  }

  .language-control-label {
    display: none;
  }

  .language-control-select {
    min-width: 74px;
    border-left: 0;
  }

  .hero-inner {
    min-height: 0;
    display: block;
    padding: 0 0 24px;
  }

  .hero-copy {
    padding: 36px 0 24px;
  }

  .hero h1 {
    margin-top: 14px;
    font-size: 40px;
  }

  .hero-lead {
    font-size: 16px;
  }

  .hero-stats {
    margin-top: 28px;
    padding-top: 0;
  }

  .machine-panel {
    width: 100%;
  }

  .signal-map {
    display: none;
  }

  .capability-strip-inner {
    grid-template-columns: repeat(2, 1fr);
  }

  .capability-strip span {
    min-height: 46px;
    justify-content: flex-start;
    padding: 0 10px;
    border-bottom: 1px solid var(--line);
  }

  .capability-strip span:nth-child(odd) {
    border-left: 0;
  }

  .capability-strip span:nth-child(n+3) {
    border-bottom: 0;
  }

  .catalog-section {
    padding: 28px 0 74px;
  }

  .data-principle,
  .data-capabilities {
    padding: 72px 0;
  }

  .principle-copy h2 {
    font-size: 34px;
  }

  .principle-lead {
    margin-top: 18px;
    font-size: 14px;
  }

  .principle-points {
    margin-top: 30px;
  }

  .trace-evidence figcaption {
    gap: 18px;
  }

  .benchmark-map-head {
    display: none;
  }

  .benchmark-map-row {
    grid-template-columns: 1fr;
    padding: 14px 0;
  }

  .benchmark-map-row > * {
    padding: 2px 0;
    border-left: 0;
  }

  .trace-evidence-compact .trace-evidence-image {
    aspect-ratio: 16 / 9;
  }

  .section-heading {
    display: block;
    margin-bottom: 25px;
  }

  .section-heading h2,
  .release-heading h2 {
    font-size: 30px;
  }

  .section-heading p {
    margin-top: 10px;
  }

  .catalog-toolbar {
    grid-template-columns: minmax(0, 1fr) 130px;
  }

  .filter-tabs {
    min-width: 0;
    overflow-x: auto;
  }

  .filter-tab {
    padding: 0 10px;
  }

  .catalog-summary span:last-child {
    display: none;
  }

  .dataset-card {
    grid-template-columns: minmax(0, 1fr);
    padding: 18px 14px 16px;
    gap: 12px;
  }

  .dataset-index {
    display: none;
  }

  .dataset-main {
    grid-column: 1;
    grid-row: auto;
    padding-right: 0;
  }

  .dataset-eyebrow,
  .dataset-title-line {
    padding-right: 76px;
  }

  .dataset-quality {
    position: absolute;
    top: 16px;
    right: 14px;
    grid-column: auto;
    grid-row: auto;
    align-self: start;
    padding: 0;
    text-align: right;
    z-index: 2;
  }

  .dataset-preview {
    grid-column: 1;
    grid-row: auto;
    padding: 12px 0 0;
    border: 0;
    border-top: 1px solid var(--line);
  }

  .dataset-actions {
    grid-column: 1;
    grid-row: auto;
    align-self: stretch;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .dataset-action {
    min-height: 44px;
  }

  .quality-value {
    font-size: 24px;
    justify-content: flex-end;
  }

  .quality-metric,
  .quality-label {
    text-align: right;
  }

  .product-line-card {
    grid-template-columns: minmax(0, 1fr);
    padding: 18px 14px 16px;
  }

  .product-line-card .dataset-index {
    display: none;
  }

  .product-line-card .dataset-main {
    padding-right: 0;
  }

  .product-line-card .dataset-main,
  .product-line-card .dataset-preview,
  .product-line-card .dataset-actions {
    grid-column: 1;
  }

  .product-line-card .product-line-preview {
    display: none;
  }

  .dataset-card .dataset-preview {
    display: none;
  }

  .product-line-card .dataset-actions {
    grid-template-columns: 1fr 1fr;
  }

  .category-hero-section {
    padding-top: 20px;
  }

  .category-breadcrumb { margin-bottom: 12px; font-size: 11px; }

  .dataset-title-line {
    align-items: flex-start;
    flex-direction: column;
    gap: 5px;
  }

  .dataset-modalities {
    gap: 4px;
  }

  .modality-chip {
    font-size: 9px;
  }

  .capability-row {
    min-height: 0;
    grid-template-columns: 32px minmax(0, 1fr);
    gap: 11px 14px;
    padding: 24px 8px 24px 15px;
  }

  .capability-row::before {
    top: 22px;
    bottom: 22px;
  }

  .capability-number {
    grid-column: 1;
    grid-row: 1 / span 4;
  }

  .capability-name {
    grid-column: 2;
    grid-row: 1;
  }

  .capability-row > p {
    grid-column: 2;
    grid-row: 2;
  }

  .capability-row > code {
    grid-column: 2;
    grid-row: 3;
  }

  .capability-row > a,
  .capability-mode {
    grid-column: 2;
    grid-row: 4;
    justify-self: start;
    margin-top: 3px;
    text-align: left;
  }

  .delivery-method {
    margin-top: 52px;
  }

  .delivery-method ol {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px 0;
  }

  .agent-access-inner {
    min-height: 0;
    grid-template-columns: 1fr;
    gap: 44px;
    padding-top: 64px;
    padding-bottom: 64px;
  }

  .protocol-flow {
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
  }

  .access-console {
    width: 100%;
  }

  .release-section {
    padding: 64px 0;
  }

  .release-inner {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .release-status {
    padding: 20px 0 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .release-principles {
    grid-column: 1;
  }

  .footer-inner {
    min-height: 0;
    grid-template-columns: 1fr;
    gap: 18px;
    padding-top: 34px;
    padding-bottom: 34px;
  }

  .footer-links {
    flex-wrap: wrap;
    gap: 10px 20px;
  }

  .footer-meta {
    justify-self: start;
  }
}

@media (max-width: 520px) {
  .header-inner,
  .hero-inner,
  .section-inner,
  .agent-access-inner,
  .footer-inner,
  .capability-strip-inner {
    width: min(100% - 24px, var(--max-width));
  }

  .brand-name {
    font-size: 16px;
  }

  .brand-mark {
    width: 23px;
    height: 23px;
    flex-basis: 23px;
  }

  .icon-button {
    width: 38px;
    height: 38px;
  }

  .system-label {
    display: block;
  }

  .system-label span {
    display: block;
  }

  .system-label span + span {
    margin-top: 3px;
  }

  .system-label span + span::before {
    display: none;
  }

  .hero h1 {
    margin-bottom: 12px;
    font-size: 34px;
  }

  .hero-lead {
    line-height: 1.55;
  }

  .hero-lead strong {
    margin-bottom: 7px;
    font-size: 18px;
  }

  .hero-stats {
    margin-top: 22px;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .hero-ai-native {
    max-width: none;
  }

  .button {
    width: 100%;
  }

  .hero-stats dd {
    font-size: 10px;
  }

  .machine-panel-head {
    padding: 0 12px;
  }

  .machine-endpoints a {
    padding: 0 12px;
  }

  .machine-endpoints em {
    display: none;
  }

  .capability-strip span {
    font-size: 10px;
  }

  .catalog-toolbar {
    display: block;
  }

  .catalog-search {
    grid-template-columns: 1fr;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .search-scope {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .search-scope-button {
    flex: 1;
  }

  .filter-tabs {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .filter-tab {
    flex: 1 0 auto;
  }

  .sort-field {
    min-height: 50px;
  }

  .dataset-card {
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
    padding: 16px 12px 14px;
  }

  .dataset-main {
    padding-right: 0;
  }

  .dataset-eyebrow,
  .dataset-title-line {
    padding-right: 68px;
  }

  .dataset-quality {
    top: 14px;
    right: 12px;
  }

  .dataset-title-line h3 {
    font-size: 18px;
  }

  .product-line-card .dataset-title-line h3 {
    font-size: 24px;
  }

  .dataset-description {
    font-size: 12px;
  }

  .dataset-positioning {
    grid-template-columns: 1fr;
    gap: 3px;
  }

  .dataset-positioning em {
    white-space: normal;
  }

  .dataset-preview .trace-viz,
  .dataset-preview .eval-viz,
  .dataset-preview .env-viz,
  .dataset-preview .preview-label,
  .dataset-preview .preview-token-breakdown,
  .dataset-preview .compare-bars {
    display: none;
  }

  .preview-metrics {
    margin-top: 0;
    gap: 6px;
  }

  .preview-metrics strong {
    font-size: 14px;
  }

  .preview-metrics small {
    font-size: 9px;
  }

  .quality-value {
    font-size: 22px;
  }

  .quality-value strong {
    font-size: 22px;
  }

  .quality-value-score {
    font-size: 22px !important;
  }

  .dataset-actions {
    margin-top: 2px;
  }

  .dataset-content-excerpt {
    font-size: 12px;
  }

  .dataset-inventory {
    font-size: 11px;
  }

  .header-inner,
  .hero-inner,
  .section-inner,
  .agent-access-inner,
  .footer-inner,
  .capability-strip-inner {
    width: min(100% - 24px, var(--max-width));
  }

  .principle-kicker {
    font-size: 13px;
  }

  .principle-copy h2 {
    font-size: 29px;
  }

  .principle-points {
    grid-template-columns: 1fr;
  }

  .principle-points > div,
  .principle-points > div:first-child {
    padding: 17px 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .principle-points > div:first-child {
    border-top: 0;
  }

  .trace-evidence figcaption {
    grid-template-columns: 1fr;
  }

  .trace-evidence figcaption > a {
    justify-self: start;
  }

  .capability-name h3 {
    font-size: 18px;
  }

  .capability-row > p {
    font-size: 12px;
  }

  .delivery-method-copy h3 {
    font-size: 21px;
  }

  .delivery-method ol {
    grid-template-columns: 1fr;
  }

  .delivery-method li {
    padding: 0 0 16px;
    border-bottom: 1px solid var(--line);
    border-left: 0;
  }

  .delivery-method li:last-child {
    padding-bottom: 0;
    border-bottom: 0;
  }

  .agent-access h2 {
    font-size: 30px;
  }

  .protocol-flow {
    grid-template-columns: 1fr;
  }

  .protocol-flow div {
    padding: 0 0 12px;
    border-bottom: 1px solid var(--console-line);
  }

  .access-endpoint-list code {
    font-size: 11px;
  }

  .command-line code {
    font-size: 9px;
  }

  .release-principles {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .release-principles div {
    padding: 0 0 18px;
    border-bottom: 1px solid var(--line);
    border-left: 0;
  }

  .release-principles div:last-child {
    padding-bottom: 0;
    border-bottom: 0;
  }
}

.dataset-summary,
.dataset-details,
.dataset-detail-meta {
  min-width: 0;
}

.dataset-rail,
.dataset-side,
.dataset-preview-stack {
  display: contents;
}

.dataset-preview-fields {
  display: none;
}

@media (min-width: 1181px) {
  .dataset-card.is-content-first {
    grid-template-columns: 40px minmax(0, 1fr) 440px;
    grid-template-rows: auto;
    align-items: start;
    gap: 18px;
  }

  .dataset-card.is-content-first .dataset-index {
    grid-column: 1;
    grid-row: 1;
  }

  .dataset-card.is-content-first .dataset-main {
    grid-column: 2;
    grid-row: 1;
    display: block;
  }

  .dataset-card.is-content-first .dataset-details {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(260px, 0.8fr);
    align-items: start;
    gap: 14px 18px;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--line);
  }

  .dataset-card.is-content-first .dataset-inventory {
    max-width: none;
    margin: 0;
  }

  .dataset-card.is-content-first .dataset-detail-meta {
    align-self: start;
  }

  .dataset-card.is-content-first .dataset-rail {
    grid-column: 3;
    grid-row: 1;
    align-self: start;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 152px;
    align-items: start;
    gap: 18px;
  }

  .dataset-card.is-content-first .dataset-preview-stack {
    grid-column: 1;
    grid-row: 1;
    align-self: start;
    min-width: 0;
    display: flex;
    flex-direction: column;
  }

  .dataset-card.is-content-first .dataset-preview-stack .dataset-preview {
    width: auto;
    align-self: stretch;
    justify-content: flex-start;
    padding-top: 4px;
  }

  .dataset-card.is-content-first.has-compact-preview .dataset-preview-stack {
    align-self: stretch;
  }

  .dataset-card.is-content-first.has-compact-preview .dataset-details {
    display: block;
  }

  .dataset-card.is-content-first.has-compact-preview .dataset-inventory li:nth-child(n + 2),
  .dataset-card.is-content-first.has-compact-preview .dataset-quality {
    display: none;
  }

  .dataset-card.is-content-first.has-compact-preview .dataset-detail-meta-compact-source {
    display: none;
  }

  .dataset-card.is-content-first.has-compact-preview .dataset-preview-fields {
    display: block;
    margin-top: auto;
    padding-top: 10px;
    border-top: 1px solid var(--line);
  }

  .dataset-card.is-content-first .dataset-side {
    grid-column: 2;
    grid-row: 1;
    align-self: start;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
  }

  .dataset-card.is-content-first .dataset-side .dataset-quality,
  .dataset-card.is-content-first .dataset-side .dataset-actions {
    position: static;
    width: 100%;
    align-self: stretch;
    margin: 0;
  }

  .dataset-card.is-content-first .dataset-side .dataset-quality {
    padding-bottom: 0;
  }

  .dataset-card.is-content-first .dataset-side .quality-metric {
    margin-top: 4px;
  }

  .dataset-card.is-content-first .dataset-side .quality-label {
    margin-top: 2px;
  }

  .dataset-card.is-content-first .dataset-side .dataset-actions {
    gap: 6px;
  }

  .dataset-card.is-content-first .dataset-side .dataset-action {
    min-height: 38px;
  }

  .dataset-card.is-content-first .preview-metrics:not(.proof-metrics) {
    display: flex;
    flex-wrap: wrap;
    gap: 0 12px;
    margin-top: 0;
  }

  .dataset-card.is-content-first .preview-metrics:not(.proof-metrics) div,
  .dataset-card.is-content-first .preview-metrics:not(.proof-metrics) div:first-child,
  .dataset-card.is-content-first .preview-metrics:not(.proof-metrics) div:last-child {
    flex: 1 1 calc(50% - 6px);
    min-width: max-content;
    gap: 6px;
    padding: 8px 0;
  }

  .dataset-card.is-content-first .preview-metrics:not(.proof-metrics) strong,
  .dataset-card.is-content-first .preview-metrics:not(.proof-metrics) small {
    flex: 0 0 auto;
    white-space: nowrap;
  }

  .dataset-card.is-content-first .preview-metrics:not(.proof-metrics) strong {
    font-size: 18px;
    letter-spacing: 0;
  }

  .dataset-card.is-content-first .compare-bars {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px 12px;
    margin: 0;
  }

  .dataset-card.is-content-first .compare-bar-row {
    grid-template-columns: 62px minmax(0, 1fr);
  }
}

@media (min-width: 1101px) {
  .product-line-card {
    grid-template-columns: 40px minmax(0, 1.45fr) minmax(320px, 0.85fr) 152px;
    align-items: start;
  }

  .product-line-card .dataset-preview {
    align-self: stretch;
    justify-content: flex-start;
    padding-right: 12px;
    padding-left: 12px;
  }

  .product-line-card .proof-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 14px;
    align-content: start;
  }

  .product-line-card .proof-metrics div {
    padding: 8px 0;
  }

  .product-line-card .dataset-actions {
    align-self: start;
  }
}

/* Motion polish: restrained movement for navigation, discovery, and inspection. */
:root {
  --motion-fast: 170ms;
  --motion-medium: 360ms;
  --motion-slow: 560ms;
  --motion-ease: cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes home-content-enter {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes catalog-card-enter {
  from {
    transform: translateY(8px);
  }
  to {
    transform: translateY(0);
  }
}

.motion-ready .hero-copy > .system-label,
.motion-ready .hero-copy > h1,
.motion-ready .hero-copy > .hero-lead,
.motion-ready .hero-copy > .hero-actions,
.motion-ready .hero-copy > .hero-stats,
.motion-ready .machine-panel,
.motion-ready .capability-strip-inner {
  animation: home-content-enter var(--motion-slow) var(--motion-ease) backwards;
}

.motion-ready .hero-copy > h1 { animation-delay: 55ms; }
.motion-ready .hero-copy > .hero-lead { animation-delay: 105ms; }
.motion-ready .hero-copy > .hero-actions { animation-delay: 155ms; }
.motion-ready .hero-copy > .hero-stats { animation-delay: 205ms; }
.motion-ready .machine-panel { animation-delay: 120ms; }
.motion-ready .capability-strip-inner { animation-delay: 260ms; }

.motion-ready .reveal-item {
  opacity: 0;
  transform: translateY(14px);
  transition:
    opacity var(--motion-slow) var(--motion-ease) var(--reveal-delay, 0ms),
    transform var(--motion-slow) var(--motion-ease) var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}

.motion-ready .reveal-item.is-revealed {
  opacity: 1;
  transform: translateY(0);
  will-change: auto;
}

.motion-ready .dataset-card {
  animation: catalog-card-enter var(--motion-medium) var(--motion-ease) backwards;
}

.motion-ready .dataset-card:nth-child(2) { animation-delay: 35ms; }
.motion-ready .dataset-card:nth-child(3) { animation-delay: 70ms; }
.motion-ready .dataset-card:nth-child(4) { animation-delay: 105ms; }
.motion-ready .dataset-card:nth-child(5) { animation-delay: 140ms; }

.main-nav a,
.button,
.button .icon,
.icon-button,
.icon-button .icon,
.copy-button,
.machine-panel,
.signal-lane i,
.machine-endpoints a,
.machine-endpoints em,
.hero-stats dt,
.trace-evidence-image,
.trace-evidence-image img,
.trace-evidence figcaption > a .icon,
.capability-row,
.capability-row::before,
.capability-name h3,
.capability-row > a .icon,
.catalog-toolbar,
.search-scope-button,
.filter-tab,
.dataset-card,
.dataset-card::before,
.dataset-title-line h3,
.verified-mark .icon,
.dataset-preview,
.trace-node,
.eval-cell,
.dataset-action,
.dataset-action .icon,
.access-endpoint-list > div,
.access-endpoint-list code,
.manifest-link,
.release-principles strong {
  transition-duration: var(--motion-fast);
  transition-timing-function: var(--motion-ease);
}

.button,
.icon-button,
.copy-button,
.dataset-action {
  transition-property: color, background-color, border-color, box-shadow, transform;
}

.dataset-card {
  transition-property: background-color, border-color, box-shadow, transform;
  transition-duration: 240ms;
}

.dataset-card::before {
  transition-property: width, background-color;
}

.capability-name h3,
.access-endpoint-list code,
.release-principles strong {
  transition-property: color, transform;
}

.signal-lane i {
  transition-property: filter, scale;
}

.trace-node,
.eval-cell,
.verified-mark .icon {
  transition-property: filter, scale, transform;
}

.trace-node,
.eval-cell {
  transform-origin: center;
}

.catalog-toolbar:focus-within {
  border-color: var(--line-strong);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 12%, transparent);
}

.button:active,
.icon-button:active,
.copy-button:active,
.dataset-action:active {
  transform: translateY(0) scale(0.98);
}

@media (hover: hover) and (pointer: fine) {
  .button:hover,
  .icon-button:hover,
  .copy-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 7px 18px color-mix(in srgb, var(--ink) 10%, transparent);
  }

  .button-primary:hover .icon {
    transform: translateY(2px);
  }

  .button-secondary:hover .icon,
  .trace-evidence figcaption > a:hover .icon,
  .capability-row > a:hover .icon {
    transform: translate(2px, -2px);
  }

  .theme-toggle:hover .icon {
    transform: rotate(12deg) scale(1.06);
  }

  .machine-panel:hover {
    border-color: color-mix(in srgb, var(--accent) 42%, var(--console-line));
    box-shadow: 0 18px 40px rgba(20, 17, 14, 0.16);
    transform: translateY(-3px);
  }

  .machine-panel:hover .signal-lane i {
    filter: brightness(1.12);
    scale: 1.1;
  }

  .machine-endpoints a:hover em {
    color: var(--console-ink);
    transform: translateX(-2px);
  }

  .hero-stats div:hover dt {
    color: var(--accent-strong);
    transform: translateY(-2px);
  }

  .trace-evidence-image:hover {
    border-color: var(--line-strong);
    box-shadow: 0 14px 32px color-mix(in srgb, var(--ink) 8%, transparent);
    transform: translateY(-2px);
  }

  .trace-evidence-image:hover img {
    transform: scale(1.012);
  }

  .capability-row:hover {
    background: color-mix(in srgb, var(--surface) 62%, transparent);
  }

  .capability-row:hover::before {
    top: 14px;
    bottom: 14px;
    width: 4px;
  }

  .capability-row:hover .capability-name h3 {
    color: var(--row-accent);
    transform: translateX(3px);
  }

  .search-scope-button:hover,
  .filter-tab:hover {
    background: var(--surface-muted);
  }

  .dataset-card:hover,
  .dataset-card:focus-within {
    border-color: var(--line-strong);
    background: var(--surface-raised);
    box-shadow: 0 16px 34px color-mix(in srgb, var(--ink) 9%, transparent);
    transform: translateY(-3px);
  }

  .dataset-card:hover::before,
  .dataset-card:focus-within::before {
    width: 5px;
  }

  .dataset-card:hover .verified-mark .icon {
    scale: 1.14;
  }

  .dataset-card:hover .trace-node {
    filter: saturate(1.12);
    scale: 1.24;
  }

  .dataset-card:hover .eval-cell {
    filter: saturate(1.08);
    scale: 1 1.35;
  }

  .dataset-action:hover {
    transform: translateY(-1px);
  }

  .dataset-action:first-child:hover .icon {
    transform: translate(2px, -2px);
  }

  .dataset-action-download:hover .icon {
    transform: translateY(2px);
  }

  .access-endpoint-list > div:hover {
    background: rgba(255, 255, 255, 0.035);
  }

  .access-endpoint-list > div:hover code {
    color: #fff;
    transform: translateX(3px);
  }

  .release-principles > div:hover strong {
    color: var(--accent-strong);
    transform: translateY(-1px);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}