:root {
  --paper: #fbfaf6;
  --paper-deep: #f1ede5;
  --ink: #151820;
  --ink-soft: #303746;
  --muted: #64707f;
  --line: #ded7cc;
  --accent: #9d302d;
  --accent-dark: #6f1f1e;
  --blue: #2d5f9d;
  --green: #2f7459;
  --gold: #c69443;
  --shadow: 0 18px 45px rgba(20, 24, 32, 0.12);
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
}

code,
pre {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 68px;
  padding: 14px clamp(20px, 5vw, 72px);
  color: #fff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(18, 20, 24, 0.34);
  backdrop-filter: blur(16px);
  transition:
    background 180ms ease,
    color 180ms ease,
    box-shadow 180ms ease,
    border-color 180ms ease;
}

.site-header.scrolled {
  color: var(--ink);
  background: rgba(251, 250, 246, 0.94);
  border-bottom-color: rgba(38, 43, 52, 0.12);
  box-shadow: 0 10px 30px rgba(20, 24, 32, 0.08);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0;
  text-decoration: none;
  white-space: nowrap;
}

.brand-mark {
  display: inline-grid;
  width: 34px;
  height: 34px;
  place-items: center;
  color: #fff;
  background: var(--accent);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 6px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 21px;
}

.brand-mark.image-mark {
  padding: 2px;
  background: #fff;
  border-color: rgba(255, 255, 255, 0.58);
}

.site-header.scrolled .brand-mark.image-mark {
  border-color: rgba(38, 43, 52, 0.14);
}

.brand-mark.image-mark img {
  width: 100%;
  height: 100%;
  border-radius: 4px;
  object-fit: contain;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2.4vw, 28px);
  font-size: 0.94rem;
  font-weight: 650;
  scrollbar-width: none;
}

.site-nav::-webkit-scrollbar {
  display: none;
}

.site-nav a {
  position: relative;
  text-decoration: none;
  opacity: 0.86;
}

.site-nav a:hover,
.site-nav a.active {
  opacity: 1;
}

.site-nav a::after {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -9px;
  height: 2px;
  background: currentColor;
  content: "";
  opacity: 0;
  transform: scaleX(0.65);
  transition:
    opacity 160ms ease,
    transform 160ms ease;
}

.site-nav a:hover::after,
.site-nav a.active::after {
  opacity: 0.78;
  transform: scaleX(1);
}

.layout-toggle {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.09);
  white-space: nowrap;
}

.site-header.scrolled .layout-toggle {
  border-color: rgba(38, 43, 52, 0.14);
  background: rgba(45, 95, 157, 0.08);
}

.layout-toggle button {
  min-height: 30px;
  padding: 6px 9px;
  color: inherit;
  border: 0;
  border-radius: 6px;
  background: transparent;
  font: inherit;
  font-size: 0.74rem;
  font-weight: 850;
  line-height: 1;
  cursor: pointer;
}

.layout-toggle button.is-active {
  color: #fff;
  background: var(--blue);
}

.hero {
  position: relative;
  display: grid;
  min-height: 82svh;
  align-content: end;
  gap: 34px;
  padding: 140px clamp(20px, 5vw, 72px) 48px;
  color: #fff;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(11, 13, 17, 0.92) 0%, rgba(11, 13, 17, 0.70) 46%, rgba(11, 13, 17, 0.18) 100%),
    url("assets/images/hero-line.png") center center / cover no-repeat;
}

.hero::after {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(0deg, rgba(11, 13, 17, 0.40), rgba(11, 13, 17, 0.04) 46%),
    radial-gradient(circle at 74% 22%, rgba(198, 148, 67, 0.16), transparent 24%);
  pointer-events: none;
}

.hero-content,
.hero-metrics {
  position: relative;
  z-index: 1;
}

.hero-content {
  width: min(1120px, 100%);
}

.venue,
.eyebrow,
.demo-label {
  margin: 0 0 12px;
  color: var(--gold);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(3.5rem, 8vw, 7.6rem);
  line-height: 0.92;
  letter-spacing: 0;
}

.title-main,
.title-tail {
  display: block;
}

.title-tail {
  width: min(980px, 100%);
  margin-top: 16px;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  font-size: clamp(1.45rem, 3vw, 2.65rem);
  font-weight: 850;
  line-height: 1.12;
}

.hero-subtitle {
  width: min(820px, 100%);
  margin: 26px 0 18px;
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(1.12rem, 2vw, 1.55rem);
  line-height: 1.45;
}

.authors {
  width: min(860px, 100%);
  margin: 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: 1rem;
}

.authors a {
  color: inherit;
  text-decoration-color: rgba(255, 255, 255, 0.38);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.authors a:hover {
  color: #fff;
  text-decoration-color: currentColor;
}

.author-note {
  margin: 6px 0 0;
  color: rgba(255, 255, 255, 0.70);
  font-size: 0.88rem;
}

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

.button,
.filter-button,
.copy-button {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: 7px;
  font: inherit;
  font-weight: 800;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  transition:
    background 160ms ease,
    border-color 160ms ease,
    color 160ms ease,
    transform 160ms ease;
}

.button {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.32);
  background: rgba(255, 255, 255, 0.10);
}

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

.button.primary {
  color: #fff;
  border-color: var(--accent);
  background: var(--accent);
}

.button.primary:hover {
  background: var(--accent-dark);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  width: min(1120px, 100%);
  margin: 0;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: rgba(8, 10, 14, 0.42);
  backdrop-filter: blur(12px);
}

.hero-metrics div {
  padding: 16px 18px;
  border-right: 1px solid rgba(255, 255, 255, 0.16);
}

.hero-metrics div:last-child {
  border-right: 0;
}

.hero-metrics dt {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 800;
  line-height: 1;
}

.hero-metrics dd {
  margin: 8px 0 0;
  color: rgba(255, 255, 255, 0.74);
  font-size: 0.91rem;
}

.teaser-figure {
  width: min(1180px, 100%);
  margin: 0 0 clamp(24px, 4vw, 38px);
}

.teaser-figure img {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.teaser-figure figcaption {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 0.96rem;
}

.section {
  padding: clamp(68px, 9vw, 112px) clamp(20px, 5vw, 72px);
}

.section.tight {
  padding-top: clamp(54px, 7vw, 86px);
  padding-bottom: clamp(54px, 7vw, 86px);
}

.section-heading {
  width: min(920px, 100%);
  margin-bottom: 34px;
}

.section-heading h2 {
  margin: 0;
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2rem, 4.8vw, 4rem);
  line-height: 1.05;
  letter-spacing: 0;
}

.section-heading p:not(.eyebrow) {
  width: min(760px, 100%);
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 1.04rem;
}

.abstract-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 26px;
  width: min(1120px, 100%);
}

.abstract-body p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 1.08rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  width: min(1180px, 100%);
  margin-bottom: 36px;
}

.benchmark-layers {
  align-items: stretch;
}

.feature-card,
.demo-card,
.resource-link,
.citation-box {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.58);
  box-shadow: 0 1px 0 rgba(20, 24, 32, 0.03);
}

.feature-card {
  position: relative;
  padding: 24px;
}

.feature-card-link {
  display: block;
  color: inherit;
  text-decoration: none;
  transition:
    transform 160ms ease,
    border-color 160ms ease,
    box-shadow 160ms ease;
}

.feature-card-link:hover {
  transform: translateY(-3px);
  border-color: rgba(47, 92, 153, 0.34);
  box-shadow: var(--shadow);
}

.card-link-label {
  display: inline-block;
  margin-top: 18px;
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.card-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 30px;
  margin-bottom: 18px;
  color: #fff;
  background: var(--blue);
  border-radius: 6px;
  font-size: 0.78rem;
  font-weight: 900;
}

.feature-card h3,
.split-panel h3,
.demo-card h3,
.citation-box h3,
.workflow-card h3,
.taxonomy-grid h3 {
  margin: 0 0 10px;
  color: var(--ink);
  font-size: 1.12rem;
  line-height: 1.28;
}

.feature-card p,
.split-panel p,
.demo-card p,
.taxonomy-grid p {
  margin: 0;
  color: var(--muted);
}

.contribution-link {
  margin-top: 20px;
}

.contribution-grid,
.author-profile-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  width: min(1180px, 100%);
}

.contribution-grid article,
.author-profile-grid article {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.58);
}

.contribution-grid h3,
.author-profile-grid h2 {
  margin: 0 0 10px;
  color: var(--ink);
  font-size: 1.12rem;
  line-height: 1.28;
}

.author-profile-grid h2 {
  font-size: 1.25rem;
}

.contribution-grid a,
.author-profile-grid a {
  color: inherit;
  text-decoration-color: rgba(45, 95, 157, 0.34);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.contribution-grid a:hover,
.author-profile-grid a:hover {
  color: var(--blue);
  text-decoration-color: currentColor;
}

.contribution-grid p,
.author-profile-grid p {
  margin: 0;
  color: var(--muted);
}

.author-role {
  margin-bottom: 10px;
  color: var(--blue);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.wide-figure {
  width: min(1180px, 100%);
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow);
}

.wide-figure img {
  width: 100%;
}

.wide-figure img[src$="method.png"] {
  padding: 12px;
  background: #f7f7f5;
  object-fit: contain;
}

figcaption {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.5;
}

.wide-figure figcaption {
  padding: 14px 18px 16px;
  border-top: 1px solid var(--line);
}

.split-panel {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 34px;
  width: min(1180px, 100%);
  margin-top: 42px;
  align-items: start;
}

.primitive-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.primitive-list span {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 6px 10px;
  color: var(--ink-soft);
  border: 1px solid #d8cabc;
  border-radius: 6px;
  background: #fffdf8;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.82rem;
}

.spec-table-wrap,
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffdf9;
}

table {
  width: 100%;
  border-collapse: collapse;
}

caption {
  padding: 14px 16px;
  color: var(--muted);
  text-align: left;
  caption-side: bottom;
  font-size: 0.88rem;
}

.spec-table th,
.spec-table td,
.leaderboard th,
.leaderboard td {
  padding: 14px 16px;
  border-bottom: 1px solid #e9e2d8;
  text-align: left;
  vertical-align: middle;
}

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

.spec-table th {
  width: 32%;
  color: var(--ink);
}

.spec-table td {
  color: var(--ink-soft);
}

.visual-band {
  background: #f7f4ee;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.view-grid {
  display: grid;
  grid-template-columns: 1.12fr 1fr 1fr;
  gap: 18px;
  width: min(1180px, 100%);
}

.perception-grid img {
  object-position: center;
}

.system-grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 18px;
  width: min(1180px, 100%);
  align-items: stretch;
}

.runtime-panels,
.workflow-card {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
}

.runtime-panels {
  display: grid;
  grid-template-columns: minmax(220px, 0.72fr) minmax(280px, 1fr);
  gap: 18px;
  padding: 18px;
  background: #f8fafb;
}

.runtime-panel {
  padding: 20px;
  border: 1px solid #d7e0e9;
  border-radius: 8px;
  background: #fff;
}

.panel-title {
  margin: 0 0 16px;
  color: var(--ink);
  font-size: 0.8rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.activity-panel ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.activity-panel li {
  display: flex;
  align-items: center;
  min-height: 42px;
  padding: 9px 12px;
  color: var(--ink-soft);
  border: 1px solid #dfe6ee;
  border-radius: 6px;
  background: #f7f9fb;
  font-weight: 750;
}

.activity-panel li.is-active {
  color: #fff;
  border-color: var(--accent);
  background: var(--accent);
}

.state-cells {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.state-cells div {
  min-height: 96px;
  padding: 14px;
  border: 1px solid #dfe6ee;
  border-radius: 6px;
  background: #f7f9fb;
}

.state-cells strong {
  display: block;
  margin-bottom: 10px;
  color: var(--ink);
  font-size: 0.82rem;
  text-transform: uppercase;
}

.state-cells span {
  color: var(--ink-soft);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.92rem;
  line-height: 1.5;
}

.workflow-card {
  padding: 24px;
}

.workflow-list {
  display: grid;
  gap: 14px;
  margin: 18px 0 24px;
  padding: 0;
  list-style: none;
}

.workflow-list li {
  display: grid;
  grid-template-columns: 104px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding-bottom: 14px;
  border-bottom: 1px solid #e9e2d8;
}

.workflow-list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.workflow-list strong {
  color: var(--ink);
}

.workflow-list span {
  color: var(--muted);
}

.inline-link {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 8px 12px;
  color: var(--blue);
  border: 1px solid rgba(45, 95, 157, 0.24);
  border-radius: 6px;
  background: rgba(45, 95, 157, 0.08);
  font-weight: 850;
  text-decoration: none;
}

.install-command {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.taxonomy-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  width: min(1180px, 100%);
  margin-top: 24px;
}

.taxonomy-grid article {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.58);
}

.view-grid figure,
.result-figures figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
}

.view-grid img {
  width: 100%;
  height: 360px;
  object-fit: cover;
}

.view-grid figure:first-child img {
  object-position: center;
}

.view-grid figcaption,
.result-figures figcaption {
  padding: 12px 14px;
  border-top: 1px solid var(--line);
}

.asset-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  width: min(1180px, 100%);
}

.asset-strip.six {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.asset-strip figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.asset-strip img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  background: #f7f4ee;
}

.camera-strip img,
.trajectory-gallery img {
  object-position: center;
}

.asset-strip figcaption {
  padding: 12px 14px;
  border-top: 1px solid var(--line);
}

.policy-figure-grid .wide-figure img,
.analysis-figure-grid .wide-figure img {
  width: 100%;
  height: 340px;
  padding: 12px;
  object-fit: contain;
  background: #faf7f0;
}

.policy-architecture {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  width: min(1180px, 100%);
}

.policy-architecture article {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffdf9;
}

.policy-architecture span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 28px;
  margin-bottom: 16px;
  color: #fff;
  border-radius: 6px;
  background: var(--accent);
  font-size: 0.76rem;
  font-weight: 900;
}

.policy-architecture h3 {
  margin: 0 0 10px;
  color: var(--ink);
  font-size: 1.1rem;
}

.policy-architecture p {
  margin: 0;
  color: var(--muted);
}

.demo-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  width: min(1180px, 100%);
  margin-top: 34px;
}

.demo-card {
  display: block;
  overflow: hidden;
  color: inherit;
  text-decoration: none;
  transition:
    transform 160ms ease,
    box-shadow 160ms ease,
    border-color 160ms ease;
}

.demo-card:hover {
  transform: translateY(-3px);
  border-color: rgba(157, 48, 45, 0.32);
  box-shadow: var(--shadow);
}

.demo-card img {
  width: 100%;
  height: 210px;
  object-fit: cover;
  background: #ede7dd;
}

.demo-card img.contain-image {
  object-fit: contain;
  padding: 10px;
  background: #f7f4ee;
}

.demo-card:nth-child(2) img {
  object-position: center bottom;
}

.demo-copy {
  padding: 18px;
}

.demo-label {
  margin-bottom: 8px;
  color: var(--blue);
  font-size: 0.68rem;
}

.policy-video-block {
  width: min(1180px, 100%);
  margin-top: 14px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffdf9;
}

.policy-video-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.65fr);
  gap: 22px;
  align-items: end;
  margin-bottom: 18px;
}

.policy-video-heading h3 {
  margin: 0;
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.7rem, 3vw, 2.55rem);
  line-height: 1.08;
}

.policy-video-heading p:not(.demo-label) {
  margin: 0;
  color: var(--muted);
  font-size: 0.96rem;
}

.policy-video-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: end;
  margin-bottom: 18px;
}

.policy-video-controls label {
  display: grid;
  gap: 6px;
  min-width: 180px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.policy-video-controls select {
  min-height: 42px;
  padding: 9px 12px;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fff;
  font: inherit;
  font-size: 0.94rem;
  font-weight: 750;
  letter-spacing: 0;
  text-transform: none;
}

.policy-video-controls output {
  min-height: 42px;
  padding: 10px 12px;
  color: var(--muted);
  font-weight: 800;
}

.policy-video-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.policy-video-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.policy-video-card.is-hidden {
  display: none;
}

.policy-video-card video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #11151c;
}

.policy-video-copy {
  padding: 14px;
}

.policy-video-topline,
.policy-video-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.policy-video-topline {
  justify-content: space-between;
  margin-bottom: 10px;
}

.policy-model {
  color: var(--ink);
  font-weight: 900;
}

.outcome-badge,
.condition-badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 4px 8px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 900;
  line-height: 1;
  text-transform: uppercase;
}

.outcome-badge.success {
  color: #fff;
  background: var(--green);
}

.outcome-badge.fail {
  color: #fff;
  background: var(--accent);
}

.condition-badge {
  color: var(--blue);
  background: rgba(45, 95, 157, 0.12);
}

.condition-badge.disruptive {
  color: var(--accent-dark);
  background: rgba(157, 48, 45, 0.12);
}

.policy-video-card h4 {
  margin: 0 0 10px;
  color: var(--ink);
  font-size: 1.02rem;
}

.policy-video-tags {
  margin-bottom: 12px;
}

.source-name {
  display: block;
  overflow: hidden;
  color: var(--muted);
  font-size: 0.76rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.detail-page {
  padding-top: 68px;
}

.detail-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(340px, 1fr);
  gap: clamp(28px, 5vw, 58px);
  align-items: center;
  padding: clamp(70px, 9vw, 118px) clamp(20px, 5vw, 72px) clamp(42px, 6vw, 72px);
  color: #fff;
  background:
    linear-gradient(90deg, rgba(17, 20, 26, 0.96), rgba(17, 20, 26, 0.78)),
    url("assets/images/hero-line.png") center center / cover no-repeat;
}

.detail-hero h1 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.7rem, 5.8vw, 5.7rem);
  line-height: 0.96;
}

.detail-hero p:not(.eyebrow) {
  width: min(760px, 100%);
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: clamp(1.06rem, 1.9vw, 1.38rem);
}

.detail-hero img {
  width: 100%;
  max-height: 430px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  background: #f7f4ee;
  object-fit: cover;
  box-shadow: var(--shadow);
}

.detail-hero img.detail-contain {
  padding: 16px;
  object-fit: contain;
}

.detail-section {
  padding: clamp(42px, 7vw, 82px) clamp(20px, 5vw, 72px);
}

.detail-section + .detail-section {
  padding-top: 0;
}

.compact-heading {
  margin-bottom: 22px;
}

.detail-grid {
  display: grid;
  gap: 18px;
  width: min(1180px, 100%);
}

.detail-grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.detail-grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.detail-grid.four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.detail-grid article {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.58);
}

.detail-grid h3 {
  margin: 0 0 10px;
  color: var(--ink);
  font-size: 1.12rem;
}

.detail-grid p {
  margin: 0;
  color: var(--muted);
}

.schema-block {
  width: min(980px, 100%);
  margin: 0;
  padding: 22px;
  overflow-x: auto;
  color: var(--ink-soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
  font-size: 0.88rem;
  line-height: 1.7;
}

.schema-block code {
  white-space: pre;
}

.detail-note {
  width: min(1180px, 100%);
  margin: 14px 0 0;
  color: var(--muted);
}

.large-list {
  width: min(1180px, 100%);
}

.detail-workflow {
  width: min(980px, 100%);
}

.detail-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  width: min(1180px, 100%);
}

.leaderboard-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  width: min(1180px, 100%);
  margin-bottom: 14px;
}

.filter-button,
.copy-button {
  min-height: 38px;
  color: var(--ink-soft);
  background: #fffdf9;
}

.filter-button.active {
  color: #fff;
  border-color: var(--blue);
  background: var(--blue);
}

.table-wrap {
  width: min(1180px, 100%);
}

.perception-results-wrap {
  margin-top: 28px;
}

.leaderboard {
  min-width: 820px;
  background: #fffdf9;
}

.perception-results {
  min-width: 980px;
}

.perception-results td,
.perception-results th {
  white-space: nowrap;
}

.leaderboard thead th {
  color: var(--ink);
  background: #f1ede5;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.leaderboard tbody th {
  font-weight: 850;
}

.leaderboard td {
  color: var(--ink-soft);
}

.leaderboard tr.is-hidden {
  display: none;
}

.bar-value {
  position: relative;
  display: inline-flex;
  align-items: center;
  width: 118px;
  min-height: 26px;
  padding-left: 9px;
  color: var(--ink);
  font-weight: 800;
  isolation: isolate;
}

.bar-value::before {
  position: absolute;
  z-index: -1;
  inset: 2px auto 2px 0;
  width: var(--w);
  min-width: 6px;
  border-radius: 4px;
  background: rgba(45, 95, 157, 0.18);
  content: "";
}

.bar-value.strong::before {
  background: rgba(47, 116, 89, 0.24);
}

.result-figures {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  width: min(1180px, 100%);
  margin-top: 26px;
}

.result-figures img {
  width: 100%;
  height: 390px;
  object-fit: contain;
  padding: 12px;
  background: #faf7f0;
}

.result-figures .result-wide {
  grid-column: 1 / -1;
}

.result-figures .result-wide img {
  height: auto;
  max-height: 470px;
}

.resource-band {
  background: #161a22;
  color: #fff;
}

.resource-band .section-heading h2 {
  color: #fff;
}

.resource-band .section-heading p:not(.eyebrow) {
  color: rgba(255, 255, 255, 0.70);
}

.resource-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  width: min(1180px, 100%);
}

.resource-link {
  display: grid;
  gap: 8px;
  min-height: 132px;
  padding: 20px;
  color: #fff;
  text-decoration: none;
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.16);
  transition:
    background 160ms ease,
    border-color 160ms ease,
    transform 160ms ease;
}

.resource-link:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.10);
  border-color: rgba(255, 255, 255, 0.28);
}

.resource-link span {
  color: var(--gold);
  font-size: 0.74rem;
  font-weight: 850;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.resource-link strong {
  align-self: end;
  font-size: 1.12rem;
  line-height: 1.25;
}

.citation-box {
  width: min(1180px, 100%);
  margin-top: 22px;
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.16);
  overflow: hidden;
}

.citation-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.citation-heading h3 {
  color: #fff;
}

.copy-button {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.24);
  background: rgba(255, 255, 255, 0.08);
}

.copy-button.copied {
  border-color: rgba(91, 175, 129, 0.85);
  background: rgba(47, 116, 89, 0.66);
}

.citation-box pre {
  margin: 0;
  overflow-x: auto;
  padding: 20px;
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.9rem;
  line-height: 1.55;
}

.site-footer {
  padding: 24px clamp(20px, 5vw, 72px);
  color: rgba(255, 255, 255, 0.72);
  background: #10131a;
  border-top: 1px solid rgba(255, 255, 255, 0.10);
}

.site-footer p {
  width: min(1180px, 100%);
  margin: 0;
  font-size: 0.92rem;
}

.site-footer a {
  color: #fff;
}

.layout-wide .hero-content,
.layout-wide .hero-metrics,
.layout-wide .section-heading,
.layout-wide .teaser-figure,
.layout-wide .abstract-body,
.layout-wide .feature-grid,
.layout-wide .wide-figure,
.layout-wide .split-panel,
.layout-wide .view-grid,
.layout-wide .system-grid,
.layout-wide .taxonomy-grid,
.layout-wide .asset-strip,
.layout-wide .policy-architecture,
.layout-wide .demo-grid,
.layout-wide .policy-video-block,
.layout-wide .leaderboard-controls,
.layout-wide .table-wrap,
.layout-wide .result-figures,
.layout-wide .resource-grid,
.layout-wide .citation-box,
.layout-wide .contribution-grid,
.layout-wide .author-profile-grid,
.layout-wide .detail-grid,
.layout-wide .schema-block,
.layout-wide .detail-note,
.layout-wide .large-list,
.layout-wide .detail-workflow,
.layout-wide .detail-links,
.layout-wide .site-footer p {
  width: min(80vw, 100%);
  max-width: none;
}

.layout-wide .section-heading p:not(.eyebrow),
.layout-wide .detail-hero p:not(.eyebrow),
.layout-wide .hero-subtitle,
.layout-wide .authors,
.layout-wide .title-tail {
  width: min(1120px, 100%);
}

.layout-wide .demo-grid,
.layout-wide .resource-grid {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.layout-wide .policy-video-grid,
.layout-wide .asset-strip,
.layout-wide .policy-architecture,
.layout-wide .taxonomy-grid,
.layout-wide .contribution-grid,
.layout-wide .author-profile-grid {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.layout-mobile {
  background: var(--paper-deep);
}

.layout-mobile .site-header,
.layout-mobile main,
.layout-mobile .site-footer {
  width: min(430px, 100vw);
  margin-inline: auto;
}

.layout-mobile .site-header {
  position: absolute;
  left: 0;
  right: 0;
  align-items: flex-start;
  flex-direction: column;
  gap: 12px;
  min-height: auto;
  padding: 14px 18px;
}

.layout-mobile main,
.layout-mobile .site-footer {
  background: var(--paper);
  box-shadow: 0 0 0 1px rgba(38, 43, 52, 0.08);
}

.layout-mobile .site-nav {
  flex-wrap: wrap;
  gap: 16px;
  overflow: visible;
  padding-right: 18px;
  font-size: 0.87rem;
}

.layout-mobile .layout-toggle {
  flex-wrap: wrap;
}

.layout-mobile .hero {
  min-height: auto;
  padding: 168px 18px 34px;
  background-position: 24% top;
}

.layout-mobile .hero-content,
.layout-mobile .hero-subtitle,
.layout-mobile .authors,
.layout-mobile .section-heading,
.layout-mobile .abstract-body,
.layout-mobile .hero-metrics,
.layout-mobile .title-tail {
  width: 100%;
  max-width: 100%;
}

.layout-mobile .hero h1 {
  max-width: 100%;
  font-size: clamp(2.05rem, 9vw, 2.45rem);
}

.layout-mobile .title-main {
  max-width: 100%;
  font-size: clamp(1.95rem, 8.7vw, 2.25rem);
  line-height: 1;
  overflow-wrap: anywhere;
}

.layout-mobile .title-tail {
  font-size: clamp(1.08rem, 5.2vw, 1.45rem);
  line-height: 1.2;
}

.layout-mobile .hero-subtitle {
  font-size: 0.98rem;
  line-height: 1.5;
}

.layout-mobile .authors {
  font-size: 0.86rem;
  line-height: 1.55;
}

.layout-mobile .author-note {
  font-size: 0.78rem;
}

.layout-mobile .hero-actions {
  display: grid;
  width: 100%;
  max-width: 360px;
  grid-template-columns: 1fr;
}

.layout-mobile .button {
  width: 100%;
}

.layout-mobile .section {
  padding: 58px 18px;
}

.layout-mobile .section-heading h2 {
  max-width: 100%;
  overflow-wrap: anywhere;
  font-size: clamp(1.7rem, 8vw, 2.15rem);
  line-height: 1.08;
}

.layout-mobile .section-heading p:not(.eyebrow),
.layout-mobile .abstract-body p {
  font-size: 1rem;
}

.layout-mobile .hero-metrics,
.layout-mobile .feature-grid,
.layout-mobile .abstract-body,
.layout-mobile .split-panel,
.layout-mobile .view-grid,
.layout-mobile .asset-strip,
.layout-mobile .asset-strip.six,
.layout-mobile .policy-architecture,
.layout-mobile .system-grid,
.layout-mobile .taxonomy-grid,
.layout-mobile .contribution-grid,
.layout-mobile .author-profile-grid,
.layout-mobile .demo-grid,
.layout-mobile .detail-hero,
.layout-mobile .detail-grid.two,
.layout-mobile .detail-grid.three,
.layout-mobile .detail-grid.four,
.layout-mobile .policy-video-heading,
.layout-mobile .policy-video-grid,
.layout-mobile .result-figures,
.layout-mobile .resource-grid {
  grid-template-columns: 1fr;
}

.layout-mobile .detail-page {
  padding-top: 0;
}

.layout-mobile .detail-hero {
  padding: 168px 18px 42px;
}

.layout-mobile .detail-section {
  padding: 48px 18px;
}

.layout-mobile .policy-video-block {
  padding: 16px;
}

.layout-mobile .policy-video-controls label {
  min-width: min(100%, 240px);
}

.layout-mobile .hero-metrics div {
  border-right: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

.layout-mobile .hero-metrics div:last-child {
  border-bottom: 0;
}

.layout-mobile .view-grid img,
.layout-mobile .asset-strip img,
.layout-mobile .demo-card img {
  height: auto;
  max-height: 260px;
}

@media (max-width: 980px) {
  .site-header {
    position: absolute;
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
    min-height: auto;
  }

  .site-nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
    -webkit-overflow-scrolling: touch;
  }

  .hero {
    min-height: auto;
    padding-top: 180px;
    background-position: 24% top;
  }

  .hero-metrics,
  .feature-grid,
  .abstract-body,
  .split-panel,
  .view-grid,
  .asset-strip,
  .asset-strip.six,
  .policy-architecture,
  .system-grid,
  .taxonomy-grid,
  .contribution-grid,
  .author-profile-grid,
  .demo-grid,
  .detail-hero,
  .detail-grid.three,
  .detail-grid.four,
  .policy-video-heading,
  .policy-video-grid,
  .result-figures,
  .resource-grid {
    grid-template-columns: 1fr 1fr;
  }

  .hero-metrics div:nth-child(2) {
    border-right: 0;
  }

  .hero-metrics div:nth-child(-n + 2) {
    border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  }
}

@media (max-width: 680px) {
  .site-header {
    padding: 14px 18px;
  }

  .site-nav {
    flex-wrap: wrap;
    gap: 16px;
    font-size: 0.87rem;
    padding-right: 18px;
    overflow: visible;
  }

  .hero {
    padding: 168px 18px 34px;
  }

  .hero-content,
  .hero-subtitle,
  .authors,
  .section-heading,
  .abstract-body,
  .hero-metrics {
    width: calc(100vw - 36px);
    max-width: calc(100vw - 36px);
  }

  .hero h1 {
    max-width: calc(100vw - 36px);
    font-size: clamp(2.05rem, 9vw, 2.45rem);
  }

  .title-main {
    max-width: 100%;
    font-size: clamp(1.95rem, 8.7vw, 2.25rem);
    line-height: 1;
    overflow-wrap: anywhere;
  }

  .title-tail {
    max-width: 100%;
    font-size: clamp(1.08rem, 5.2vw, 1.45rem);
    line-height: 1.2;
  }

  .hero-subtitle {
    max-width: 100%;
    font-size: 0.98rem;
    line-height: 1.5;
  }

  .authors {
    max-width: 100%;
    font-size: 0.86rem;
    line-height: 1.55;
  }

  .author-note {
    font-size: 0.78rem;
  }

  .hero-actions {
    display: grid;
    width: calc(100vw - 36px);
    max-width: 360px;
    grid-template-columns: 1fr;
  }

  .button {
    width: 100%;
  }

  .section {
    padding: 58px 18px;
  }

  .section-heading h2 {
    font-size: clamp(1.7rem, 8vw, 2.15rem);
    line-height: 1.08;
    max-width: calc(100vw - 36px);
    overflow-wrap: anywhere;
  }

  .section-heading p:not(.eyebrow),
  .abstract-body p {
    font-size: 1rem;
  }

  .hero-metrics,
  .feature-grid,
  .abstract-body,
  .split-panel,
  .view-grid,
  .asset-strip,
  .asset-strip.six,
  .policy-architecture,
  .system-grid,
  .taxonomy-grid,
  .contribution-grid,
  .author-profile-grid,
  .demo-grid,
  .detail-hero,
  .detail-grid.two,
  .detail-grid.three,
  .detail-grid.four,
  .policy-video-heading,
  .policy-video-grid,
  .result-figures,
  .resource-grid {
    grid-template-columns: 1fr;
  }

  .detail-page {
    padding-top: 0;
  }

  .detail-hero {
    padding: 168px 18px 42px;
  }

  .detail-section {
    padding: 48px 18px;
  }

  .policy-video-block {
    padding: 16px;
  }

  .policy-video-controls label {
    min-width: min(100%, 240px);
  }

  .hero-metrics div {
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  }

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

  .view-grid img,
  .asset-strip img,
  .demo-card img {
    height: 230px;
  }

  .runtime-panels,
  .state-cells {
    grid-template-columns: 1fr;
  }

  .workflow-list li {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .result-figures img {
    height: 290px;
  }

  .bar-value {
    width: 92px;
  }
}

@media (max-width: 420px) {
  .site-header {
    padding: 12px 14px;
  }

  .site-nav {
    gap: 8px 12px;
    font-size: 0.78rem;
  }

  .hero {
    padding: 158px 14px 30px;
  }

  .hero-content,
  .hero-subtitle,
  .authors,
  .section-heading,
  .abstract-body,
  .hero-metrics,
  .hero-actions {
    width: calc(100vw - 28px);
    max-width: calc(100vw - 28px);
  }

  .venue,
  .eyebrow,
  .demo-label {
    font-size: 0.68rem;
  }

  .hero h1 {
    max-width: calc(100vw - 28px);
    font-size: 2rem;
  }

  .title-main {
    font-size: clamp(1.72rem, 8.4vw, 2rem);
  }

  .title-tail {
    font-size: 1rem;
  }

  .hero-subtitle {
    font-size: 0.92rem;
  }

  .authors {
    font-size: 0.8rem;
  }

  .section {
    padding: 52px 14px;
  }

  .section-heading h2 {
    max-width: calc(100vw - 28px);
    font-size: clamp(1.48rem, 7.2vw, 1.85rem);
  }

  .button {
    min-height: 40px;
  }
}