@font-face {
  font-family: Space Grotesk;
  src: url("assets/fonts/space-grotesk-v22-latin_latin-ext-500.woff2")
    format("woff2");
  font-style: normal;
  font-weight: 500;
  font-display: swap;
}
@font-face {
  font-family: Space Grotesk;
  src: url("assets/fonts/space-grotesk-v22-latin_latin-ext-700.woff2")
    format("woff2");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}
@font-face {
  font-family: IBM Plex Mono;
  src: url("assets/fonts/ibm-plex-mono-v20-latin-regular.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}
/* Design: quiet research publication, 4 / 2 / 4 variance / motion / density.
   Layers: sticky navigation 10; skip link 20. Figures retain their original colors. */
:root {
  color-scheme: light;
  --bg: #fff;
  --surface: #f0f3fa;
  --paper: #fff;
  --text: #202a3b;
  --muted: #566276;
  --accent: #2458b3;
  --accent-soft: #e4ecfc;
  --line: #d8dfeb;
  --hover: #e8edf6;
  --header: rgba(255, 255, 255, 0.97);
}
* {
  box-sizing: border-box;
}
html {
  scroll-padding-top: 95px;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.65;
}
button,
a {
  -webkit-tap-highlight-color: transparent;
}
a {
  color: var(--accent);
  text-decoration: none;
}
button {
  font: inherit;
  color: inherit;
  cursor: pointer;
}
button:disabled {
  cursor: default;
}
button,
a,
summary {
  touch-action: manipulation;
}
button:focus-visible,
a:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 5px;
}
button {
  border: 0;
}
img {
  display: block;
  max-width: 100%;
  height: auto;
}
figure,
p,
dl {
  margin: 0;
}
h1,
h2,
h3,
.wordmark,
.paper-title {
  font-family:
    Space Grotesk,
    Arial,
    sans-serif;
}
h1,
h2,
h3 {
  line-height: 1.2;
  margin: 0;
  letter-spacing: -0.035em;
}
h2 {
  font-size: clamp(30px, 3.2vw, 43px);
  font-weight: 500;
  text-wrap: balance;
}
h3 {
  font-size: 23px;
  font-weight: 500;
}
p {
  color: var(--muted);
}
sup {
  font-size: 0.65em;
  line-height: 0;
  margin-left: 2px;
}
strong {
  color: var(--text);
}
.wrap {
  width: min(1120px, calc(100% - 64px));
  margin-inline: auto;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--header);
  border-bottom: 1px solid var(--line);
}
.nav {
  height: 70px;
  display: flex;
  align-items: center;
  gap: 30px;
}
.wordmark {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -1px;
  color: var(--text);
  white-space: nowrap;
}
.nav-links {
  display: flex;
  gap: 27px;
  margin-left: auto;
}
.nav-links a {
  font-size: 14px;
  color: var(--muted);
}
.nav-links a:hover,
.nav-links a[aria-current] {
  color: var(--accent);
}
.hero {
  text-align: center;
  padding: 58px 0 42px;
}
.hero-label {
  color: var(--accent);
  font-size: 14px;
  margin-bottom: 12px;
}
.hero h1 {
  font-size: clamp(56px, 7vw, 86px);
  font-weight: 700;
  line-height: 1.06;
  color: var(--accent);
  letter-spacing: -0.065em;
}
.paper-title {
  font-size: clamp(23px, 2.65vw, 32px);
  color: var(--text);
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: -0.03em;
  margin: 19px auto 25px;
  max-width: 990px;
  text-wrap: balance;
}
.authors {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 4px 16px;
  max-width: 930px;
  margin: auto;
  font-size: 15px;
  line-height: 1.8;
}
.authors span {
  white-space: nowrap;
}
.affiliations {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 3px 20px;
  font-size: 13px;
  color: var(--muted);
  max-width: 880px;
  margin: 15px auto 0;
}
.contributions {
  font-size: 11px;
  margin: 11px 0 0;
}
.contributions span {
  margin-left: 14px;
}
.resource-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 26px;
}
.resource-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--paper);
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
  min-height: 46px;
}
.resource-link small {
  font-size: 10px;
  font-weight: 400;
  color: var(--muted);
}
a.resource-link {
  border-color: var(--accent);
  color: var(--accent);
}
a.resource-link:hover {
  background: var(--accent-soft);
}
.resource-link[aria-disabled] {
  color: var(--muted);
}
.overview {
  padding-bottom: 80px;
}
.teaser-figure {
  max-width: 1040px;
  margin: auto;
}
.figure-link {
  display: block;
  border-radius: 8px;
  overflow: hidden;
  background: transparent;
}
.figure-link img {
  width: 100%;
  display: block;
  border-radius: inherit;
}
.figure-link.figure-rounded,
.figure-link.figure-white {
  border-radius: 16px;
}
.figure-link.figure-white {
  background: white;
}
.figure-link:hover {
  outline: 1px solid var(--line);
}
figcaption {
  font-size: 13px;
  color: var(--muted);
  margin-top: 13px;
  line-height: 1.6;
}
.teaser-figure figcaption {
  text-align: center;
}
.overview-copy {
  max-width: 830px;
  margin: 64px auto 0;
}
.overview-copy h2 {
  margin-bottom: 22px;
}
.overview-copy p + p {
  margin-top: 16px;
}
.benchmark-facts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 40px;
  padding: 30px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.benchmark-facts div {
  display: flex;
  flex-direction: column-reverse;
  align-items: center;
  gap: 6px;
}
.benchmark-facts div + div {
  border-left: 1px solid var(--line);
}
.benchmark-facts dt {
  font-size: 13px;
  color: var(--muted);
}
.benchmark-facts dd {
  font-family:
    Space Grotesk,
    Arial,
    sans-serif;
  font-size: 44px;
  line-height: 1.1;
  margin: 0;
  letter-spacing: -0.05em;
}
.section {
  padding-top: 80px;
  padding-bottom: 80px;
}
.tinted {
  background: var(--surface);
}
.section-heading {
  max-width: 800px;
  margin-bottom: 34px;
}
.section-heading > p {
  margin-top: 16px;
  max-width: 720px;
}
.section-heading .section-kicker {
  color: var(--accent);
  margin: 0 0 12px;
  font-size: 14px;
}
.filter-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}
.filter-list button {
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 9px 13px;
  font-size: 13px;
  min-height: 42px;
}
.filter-list button[aria-pressed="true"] {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
}
.filter-list button:hover:not([aria-pressed="true"]) {
  background: var(--hover);
}
.task-browser {
  display: grid;
  grid-template-columns: 235px minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}
.task-list {
  display: grid;
  gap: 4px;
}
.task-list button {
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  background: transparent;
  padding: 11px 12px;
  border-radius: 5px;
  font-size: 13px;
  line-height: 1.45;
  min-height: 43px;
}
.task-list button span {
  font-family:
    IBM Plex Mono,
    monospace;
  font-size: 10px;
  color: var(--muted);
}
.task-list button:hover {
  background: var(--hover);
}
.task-list button[aria-pressed="true"] {
  background: var(--accent-soft);
  box-shadow: inset 3px 0 var(--accent);
  color: var(--accent);
}
.task-detail {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  min-width: 0;
}
.task-detail-header {
  padding: 25px 28px 20px;
}
.task-category {
  font-size: 12px;
  color: var(--accent);
  margin-bottom: 8px;
}
.task-detail h3 {
  font-size: 28px;
}
.task-detail-header > p:last-child {
  margin-top: 12px;
  font-size: 14px;
  max-width: 65ch;
}
.task-image {
  display: block;
  background: transparent;
  padding: 8px;
}
.task-image img {
  width: 100%;
  max-height: 475px;
  object-fit: contain;
}
.task-detail-footer {
  padding: 18px 28px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 12px;
}
.task-detail-footer span {
  color: var(--muted);
}
.task-extra {
  margin: 0 20px 20px;
}
.task-extra summary {
  font-size: 13px;
  padding: 8px 0;
}
.task-extra img {
  margin-top: 10px;
}
.figure-disclosure {
  margin-top: 26px;
  border-top: 1px solid var(--line);
  padding-top: 18px;
}
.figure-disclosure summary {
  cursor: pointer;
  font-size: 14px;
  color: var(--accent);
}
.figure-disclosure img {
  width: 100%;
  max-width: 780px;
  margin: 25px auto 0;
  border-radius: 8px;
}
.alignment-notes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  margin: 32px 0 28px;
}
.alignment-notes h3 {
  margin-bottom: 12px;
}
.alignment-notes p {
  font-size: 15px;
  max-width: 55ch;
}
.scene-figure img {
  border-radius: 8px;
}
.method-study {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 75px;
  align-items: center;
  margin-top: 52px;
}
.method-copy h3 {
  font-size: 29px;
  margin-bottom: 20px;
}
.method-copy p + p {
  margin-top: 17px;
}
.study-facts {
  display: flex;
  gap: 40px;
  margin-top: 30px;
}
.study-facts div {
  display: flex;
  flex-direction: column-reverse;
  gap: 6px;
  max-width: 160px;
}
.study-facts dt {
  font-size: 12px;
  color: var(--muted);
}
.study-facts dd {
  font-family:
    Space Grotesk,
    Arial,
    sans-serif;
  font-size: 35px;
  margin: 0;
}
.radar-figure {
  max-width: 360px;
}
.result-highlights {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin: 35px 0 40px;
}
.result-highlights strong {
  font-family:
    Space Grotesk,
    Arial,
    sans-serif;
  font-weight: 500;
  font-size: clamp(38px, 4.5vw, 58px);
  letter-spacing: -0.05em;
  color: var(--accent);
}
.result-highlights strong span {
  font-size: 0.55em;
  margin-left: 3px;
}
.result-highlights p {
  font-size: 13px;
}
.results-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.segmented {
  display: flex;
  background: var(--surface);
  padding: 4px;
  border-radius: 7px;
  border: 1px solid var(--line);
}
.segmented button {
  background: transparent;
  padding: 8px 18px;
  border-radius: 4px;
  font-size: 14px;
  min-height: 40px;
}
.segmented button[aria-pressed="true"] {
  background: var(--paper);
  color: var(--accent);
  box-shadow: 0 1px 4px #00000012;
}
.text-button {
  background: transparent;
  color: var(--accent);
  font-size: 13px;
  padding: 10px 0;
  min-height: 44px;
}
.text-button:hover {
  text-decoration: underline;
}
.result-context {
  font-size: 13px;
  margin: 18px 0 12px;
}
.table-scroll {
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
}
table {
  width: 100%;
  border-collapse: collapse;
  text-align: right;
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}
th,
td {
  padding: 14px 10px;
  white-space: nowrap;
}
thead {
  background: var(--surface);
}
th {
  font-weight: 600;
  color: var(--muted);
}
th:first-child {
  text-align: left;
}
tbody tr + tr {
  border-top: 1px solid var(--line);
}
tbody th {
  color: var(--text);
}
#results-table tbody tr.ours {
  background: var(--accent-soft);
}
#results-table tbody tr.ours th,
#results-table tbody tr.ours td {
  color: var(--accent);
  font-weight: 700;
}
#results-table th:first-child {
  min-width: 175px;
  padding-left: 18px;
}
#results-table td:last-child {
  font-weight: 700;
}
abbr {
  text-decoration: none !important;
  cursor: help;
}
.policy-family {
  font-size: 10px;
  color: var(--muted);
  display: block;
  font-weight: 400;
}
.table-note {
  font-size: 12px;
  margin-top: 14px;
  max-width: 830px;
}
.cotrain {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 55px;
  align-items: center;
  margin-top: 50px;
  padding-top: 36px;
  border-top: 1px solid var(--line);
}
.cotrain h3 {
  margin-bottom: 15px;
}
.cotrain p {
  font-size: 14px;
}
.cotrain-data {
  overflow: auto;
}
.cotrain-data table {
  font-size: 12px;
}
.cotrain-data caption {
  text-align: left;
  color: var(--muted);
  margin-bottom: 14px;
}
.cotrain-data th,
.cotrain-data td {
  padding: 13px 9px;
}
.demo-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.demo-media {
  aspect-ratio: 16/9;
  background: var(--bg);
  border: 1px dashed var(--line);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 9px;
}
.placeholder-symbol {
  font-family:
    Space Grotesk,
    Arial,
    sans-serif;
  font-size: 32px;
  letter-spacing: -2px;
  color: var(--muted);
}
.demo-media p {
  font-size: 14px;
  color: var(--muted);
}
.demo-item h3 {
  font-size: 20px;
  margin-top: 17px;
}
.demo-item > p {
  font-size: 14px;
  margin-top: 8px;
}
.demo-item video {
  display: block;
  width: 100%;
  aspect-ratio: 16/9;
  border-radius: 8px;
  background: var(--bg);
}
.video-error {
  font-size: 13px;
  color: var(--muted);
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  margin-top: 8px;
}
.citation-section {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 60px;
}
.citation-section > div > p {
  margin-top: 18px;
  font-size: 14px;
}
.citation-note {
  font-size: 12px !important;
}
.citation-box {
  min-width: 0;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}
.citation-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 13px 20px;
  border-bottom: 1px solid var(--line);
  font-size: 12px;
  color: var(--muted);
}
.citation-toolbar button {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 6px 10px;
  font-size: 12px;
  min-height: 36px;
}
.citation-toolbar button:hover {
  background: var(--hover);
}
pre {
  margin: 0;
  padding: 24px;
  overflow: auto;
  line-height: 1.75;
  font-family:
    IBM Plex Mono,
    monospace;
  font-size: 11px;
}
code {
  font-family: inherit;
}
.footer {
  border-top: 1px solid var(--line);
  padding-block: 29px;
  display: flex;
  align-items: center;
  gap: 30px;
}
.footer p {
  font-size: 12px;
}
.footer > a:last-child {
  margin-left: auto;
  font-size: 12px;
}
.skip-link {
  position: fixed;
  top: -100px;
  left: 20px;
  padding: 10px 20px;
  z-index: 20;
  background: var(--paper);
}
.skip-link:focus {
  top: 10px;
}
.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;
}
[hidden] {
  display: none !important;
}
@media (min-width: 1440px) {
  .hero {
    padding-top: 65px;
  }
  .wrap {
    width: min(1160px, calc(100% - 80px));
  }
}
@media (max-width: 1023px) {
  .nav-links {
    gap: 17px;
  }
  .nav {
    gap: 20px;
  }
  .method-study {
    grid-template-columns: 1fr 300px;
    gap: 35px;
  }
  .task-browser {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 20px;
  }
  .task-detail-header {
    padding: 22px;
  }
  .citation-section {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 30px;
  }
}
@media (max-width: 767px) {
  .wrap {
    width: calc(100% - 36px);
  }
  .nav {
    height: 62px;
    gap: 14px;
    flex-wrap: wrap;
    justify-content: space-between;
  }
  .wordmark {
    font-size: 22px;
  }
  .nav-links {
    order: 3;
    width: 100%;
    margin: 0;
    padding: 9px 0 10px;
    justify-content: space-between;
    gap: 10px;
    border-top: 1px solid var(--line);
  }
  .nav-links a {
    font-size: 12px;
  }
  .site-header {
    position: relative;
  }
  .nav {
    height: auto;
    padding-top: 13px;
    row-gap: 10px;
  }
  .hero {
    padding: 37px 0 29px;
  }
  .hero-label {
    font-size: 12px;
  }
  .hero h1 {
    font-size: 60px;
  }
  .paper-title {
    font-size: 23px;
    margin: 16px auto 23px;
  }
  .desktop-break {
    display: none;
  }
  .authors {
    font-size: 13px;
    gap: 3px 12px;
  }
  .affiliations {
    font-size: 11px;
    gap: 4px 12px;
    margin-top: 13px;
  }
  .contributions {
    font-size: 10px;
  }
  .contributions span {
    margin-left: 7px;
  }
  .resource-links {
    gap: 8px;
    margin-top: 23px;
  }
  .resource-link {
    font-size: 12px;
    padding: 8px 12px;
    gap: 9px;
    min-height: 42px;
  }
  .resource-link small {
    font-size: 9px;
  }
  .overview {
    padding-bottom: 48px;
  }
  .overview-copy {
    margin-top: 38px;
  }
  .overview-copy p {
    font-size: 15px;
  }
  .benchmark-facts {
    grid-template-columns: 1fr 1fr;
    gap: 26px 0;
    padding: 24px 0;
    margin-top: 29px;
  }
  .benchmark-facts div:nth-child(3) {
    border: 0;
  }
  .benchmark-facts dd {
    font-size: 37px;
  }
  .benchmark-facts dt {
    font-size: 12px;
  }
  .section {
    padding-block: 49px;
  }
  .section-heading {
    margin-bottom: 26px;
  }
  .section-heading > p {
    font-size: 15px;
    margin-top: 13px;
  }
  .filter-list {
    gap: 7px;
  }
  .filter-list button {
    padding: 8px 10px;
    font-size: 12px;
  }
  .task-browser {
    grid-template-columns: 1fr;
    gap: 15px;
  }
  .task-list {
    display: flex;
    overflow: auto;
    gap: 7px;
    padding: 3px 2px 8px;
  }
  .task-list button {
    flex: 0 0 auto;
    border: 1px solid var(--line);
    font-size: 12px;
    padding: 9px 12px;
    max-width: 215px;
  }
  .task-list button span {
    display: none;
  }
  .task-list button[aria-pressed="true"] {
    box-shadow: none;
    border-color: var(--accent);
  }
  .task-detail-header {
    padding: 22px 20px 16px;
  }
  .task-detail h3 {
    font-size: 24px;
  }
  .task-image {
    padding: 4px;
  }
  .task-detail-footer {
    padding: 15px 20px;
    font-size: 11px;
  }
  .alignment-notes {
    grid-template-columns: 1fr;
    gap: 24px;
    margin: 28px 0;
  }
  .method-study {
    grid-template-columns: 1fr;
    gap: 32px;
    margin-top: 35px;
  }
  .method-copy h3 {
    font-size: 27px;
  }
  .method-copy p {
    font-size: 15px;
  }
  .radar-figure {
    margin: auto;
    max-width: 320px;
  }
  .result-highlights {
    gap: 16px;
    margin: 27px 0;
  }
  .result-highlights strong {
    font-size: 35px;
  }
  .result-highlights p {
    font-size: 11px;
    line-height: 1.5;
    margin-top: 6px;
  }
  .segmented button {
    font-size: 12px;
    padding: 7px 10px;
  }
  .results-toolbar {
    gap: 10px;
  }
  .text-button {
    font-size: 12px;
  }
  .result-context {
    font-size: 12px;
  }
  .cotrain {
    grid-template-columns: 1fr;
    gap: 23px;
    margin-top: 32px;
    padding-top: 28px;
  }
  .demo-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .citation-section {
    grid-template-columns: 1fr;
    gap: 25px;
  }
  .citation-section > div > p {
    margin-top: 13px;
  }
  .footer {
    flex-wrap: wrap;
    gap: 10px 20px;
    padding-block: 24px;
  }
  .footer p {
    order: 3;
    width: 100%;
  }
  .footer > a:last-child {
    margin-left: auto;
  }
  figcaption {
    font-size: 11px;
  }
  html {
    scroll-padding-top: 18px;
  }
}
@media (max-width: 374px) {
  .hero h1 {
    font-size: 52px;
  }
  .nav-links {
    gap: 8px;
  }
  .nav-links a {
    font-size: 11px;
  }
  .result-highlights strong {
    font-size: 30px;
  }
  .resource-link {
    padding: 8px 10px;
  }
  .contributions span {
    display: inline-block;
  }
  .paper-title {
    font-size: 21px;
  }
}
@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: auto;
  }
  button,
  a {
    transition:
      background-color 0.15s,
      color 0.15s;
  }
}
@media print {
  .site-header,
  .resource-links,
  .filter-list,
  .task-list,
  .demo-grid,
  .citation-toolbar button {
    display: none;
  }
  body {
    background: white;
    color: #202a3b;
  }
  .wrap {
    width: 100%;
  }
  .section {
    padding-block: 28px;
  }
  .hero {
    padding-top: 0;
  }
  .task-browser,
  .method-study,
  .citation-section {
    display: block;
  }
  .table-scroll,
  pre {
    overflow: visible;
  }
  .tinted {
    background: transparent;
  }
  figure {
    break-inside: avoid;
  }
}