/* Header layout adapted from OpenVLA / Nerfies (CC BY-SA 4.0).
       This starter removes original research content, scripts and assets. */
    :root {
      color-scheme: light;
      --ink: #363636;
      --body: #4a4a4a;
      --link: #1675b6;
      --muted: #717171;
      --rule: #ececec;
    }
    * { box-sizing: border-box; }
    html { background: #fff; }
    body {
      margin: 0;
      color: var(--body);
      background: #fff;
      font-family: 'Noto Sans', Arial, sans-serif;
      -webkit-font-smoothing: antialiased;
    }
    a { color: var(--link); text-decoration: none; }
    a:hover { text-decoration: underline; }
    a:focus-visible { outline: 2px solid var(--link); outline-offset: 4px; border-radius: 2px; }
    main { min-height: calc(100svh - 106px); }
    .container { width: min(1100px, calc(100% - 48px)); margin-inline: auto; }
    .publication-header { padding: 32px 0 48px; text-align: center; }
    .institution-logos {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 32px;
      max-width: 1000px;
      margin: 0 auto 46px;
      padding: 0;
      list-style: none;
    }
    .institution-logo {
      flex: 1 1 0;
      min-width: 0;
      height: 64px;
      display: flex;
      align-items: center;
      justify-content: center;
      overflow: hidden;
    }
    .institution-logo img { display: block; width: 100%; height: auto; }
    .institution-logo--openmind img { max-width: 164px; }
    .institution-logo--aiis img { max-width: 152px; }
    .institution-logo--ajou img { max-width: 184px; }
    .institution-logo--tommoro img { max-width: 184px; filter: brightness(0); }
    /* Preserve the supplied Hyundai image; compensate for its built-in white margin. */
    .institution-logo--hyundai img { width: 123%; max-width: 202px; flex-shrink: 0; }
    .publication-title {
      margin: 0 0 30px;
      color: var(--ink);
      font-family: 'Google Sans', 'Noto Sans', Arial, sans-serif;
      font-weight: 600;
      letter-spacing: -0.9px;
    }
    .project-name { display: block; font-size: 48px; line-height: 1.18; margin-bottom: 11px; }
    .paper-title { display: block; font-size: 37px; line-height: 1.26; }
    .title-line { display: block; }
    .publication-venue { margin: 0 0 24px; color: var(--green); font: 600 20px/1.4 'Google Sans', 'Noto Sans', Arial, sans-serif; letter-spacing: .02em; }
    .publication-authors {
      font-family: 'Google Sans', 'Noto Sans', Arial, sans-serif;
      font-size: 20px;
      line-height: 1.65;
    }
    .author-row { display: flex; flex-wrap: wrap; justify-content: center; column-gap: 18px; }
    .author-block { display: inline-block; white-space: nowrap; }
    sup { position: relative; vertical-align: baseline; top: -0.48em; font-size: 0.67em; line-height: 0; }
    .author-block sup { margin-left: 1px; }
    .author-name { color: var(--body); }
    .contribution-note {
      margin: 13px 0 20px;
      font-family: 'Google Sans', 'Noto Sans', Arial, sans-serif;
      font-size: 14px;
      color: var(--muted);
      line-height: 1.7;
    }
    .contribution-note span { display: inline-block; margin: 0 10px; }
    .publication-affiliations {
      font-family: 'Google Sans', 'Noto Sans', Arial, sans-serif;
      font-size: 18px;
      line-height: 1.75;
    }
    .affiliation-row { display: flex; flex-wrap: wrap; justify-content: center; column-gap: 24px; }
    .affiliation-block { display: inline-block; }
    .affiliation-block sup { margin-right: 3px; }
    .project-placeholder { text-align: center; padding: 23px 0 90px; }
    .placeholder-rule { width: 64px; border: 0; border-top: 1px solid #d8d8d8; margin: 0 auto 23px; }
    .project-placeholder p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.7; }
    .footer {
      border-top: 1px solid var(--rule);
      padding: 25px 24px;
      color: var(--muted);
      background: #fafafa;
      text-align: center;
      font-size: 12px;
      line-height: 1.9;
    }
    .footer p { margin: 0; }
    .footer a { color: #5b5b5b; text-decoration: underline; text-underline-offset: 2px; }
    /* Ready for later content; no unfinished research claims are displayed. */
    .section { padding: 48px 0; }
    .section-title { color: var(--ink); font-size: 30px; line-height: 1.25; margin: 0 0 24px; }
    .research-content { max-width: 960px; margin-inline: auto; line-height: 1.75; }
    .research-content img, .research-content video { display: block; width: 100%; height: auto; }
    .publication-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 24px; }
    .resource-link { background: #363636; color: #fff; border-radius: 999px; padding: 10px 20px; font-size: 16px; }
    .resource-link:hover { background: #252525; text-decoration: none; }
    .resource-note { font-size: 0.85em; opacity: 0.85; }
    .bibtex-placeholder { margin: 0; padding: 24px; border-radius: 8px; background: #f5f5f5; color: var(--muted); font-size: 15px; overflow-x: auto; }
    [hidden] { display: none !important; }
    @media (max-width: 1000px) {
      .institution-logos { gap: 24px; }
      .container { width: min(960px, calc(100% - 40px)); }
      .paper-title { font-size: 32px; }
      .publication-authors { font-size: 18px; }
      .author-row { column-gap: 15px; }
      .publication-affiliations { font-size: 17px; }
    }
    @media (max-width: 700px) {
      .container { width: calc(100% - 32px); }
      .publication-header { padding: 24px 0 35px; }
      .institution-logos { flex-wrap: wrap; gap: 14px 22px; max-width: 520px; margin-bottom: 32px; }
      .institution-logo { flex: 0 1 calc((100% - 44px) / 3); height: 48px; }
      .publication-title { letter-spacing: -0.5px; margin-bottom: 25px; }
      .project-name { font-size: 42px; margin-bottom: 14px; }
      .paper-title { font-size: clamp(25px, 4.8vw, 32px); line-height: 1.3; }
      .title-line { display: inline; }
      .publication-venue { font-size: 18px; margin-bottom: 22px; }
      .publication-authors { font-size: 17px; line-height: 1.95; }
      .author-row { display: contents; }
      .author-block { margin: 0 6px; }
      .contribution-note { font-size: 12px; margin: 16px 0 19px; }
      .contribution-note span { margin: 0 6px; }
      .publication-affiliations { font-size: 15px; line-height: 1.85; }
      .affiliation-row { column-gap: 16px; }
      .project-placeholder { padding: 22px 0 64px; }
      .footer { font-size: 11px; padding: 20px 18px; }
    }
    @media print {
      .publication-header { padding-top: 20px; }
      main { min-height: 0; }
      .project-placeholder { padding-bottom: 30px; }
      .footer { background: #fff; }
    }

  /* DILL research story */
:root { --green: #267256; --green-light: #edf5ef; --ink: #28352f; --muted: #6c756f; --line: #e2e7e2; }
html { scroll-behavior: smooth; scroll-padding-top: 58px; }
body { color: #3e4741; }
.container { width: min(1160px, calc(100% - 64px)); }
.publication-header { padding-bottom: 38px; }
.section-nav { position: sticky; top: 0; z-index: 10; background: #fffffff5; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); backdrop-filter: blur(10px); }
.nav-inner { width: min(1160px, calc(100% - 64px)); margin: auto; display: flex; align-items: center; gap: 28px; height: 58px; }
.nav-brand { color: var(--ink); font: 700 18px 'Google Sans',sans-serif; }
.nav-links { display: flex; gap: 26px; flex: 1; }
.nav-links a { color: #667169; font-size: 13px; }
.nav-links a:hover { color: var(--green); text-decoration: none; }
button, select { font: inherit; }
button { cursor: pointer; }
button:focus-visible, select:focus-visible { outline: 3px solid #52a582; outline-offset: 4px; }
#motion-toggle { background: none; border: 1px solid var(--line); border-radius: 7px; padding: 7px 12px; font-size: 12px; color: #506456; white-space: nowrap; }
.skip-link { position: absolute; left: 16px; top: -100px; z-index: 50; padding: 10px; background: white; }
.skip-link:focus { top: 10px; }
.story-section { padding: 64px 0; scroll-margin-top: 0; }
.story-section h2 { font: 600 clamp(28px, 3.3vw, 39px)/1.2 'Google Sans','Noto Sans',sans-serif; letter-spacing: -.9px; color: var(--ink); margin: 0 0 18px; }
.story-section h3 { color: var(--ink); font: 600 23px/1.35 'Google Sans','Noto Sans',sans-serif; margin: 0 0 14px; letter-spacing: -.3px; }
.story-section p { line-height: 1.75; }
.eyebrow { color: var(--green); font-size: 11px; font-weight: 700; letter-spacing: .13em; text-transform: uppercase; margin: 0 0 16px; }
.accent { color: var(--green); }
.section-intro { font-size: 17px; margin: 0 0 34px; max-width: 820px; color: #68726b; }
.micro, .chart-note { font-size: 12px; color: var(--muted); line-height: 1.6; }
.hero-demo { padding-top: 58px; }
.condition-flow { display: grid; grid-template-columns: 1fr 28px 5fr; gap: 12px; align-items: center; }
.condition { margin: 0; min-width: 0; }
.condition img { display: block; width: 100%; height: auto; aspect-ratio: 4/3; border-radius: 6px; object-fit: contain; background: #f1f3f0; }
.condition figcaption { font-size: 12px; color: #526158; padding-top: 10px; text-align: center; font-weight: 600; }
.condition-group { font-size: 11px; color: var(--muted); margin-bottom: 12px; min-height: 17px; }
.evaluation-conditions { min-width: 0; }
.condition-grid { display: grid; grid-template-columns: repeat(5,minmax(0,1fr)); gap: 12px; }
.flow-arrow { color: #99aa9e; font-size: 25px; text-align: center; }
.benchmark-block { display: grid; grid-template-columns: .9fr 1.2fr; gap: 80px; margin: 38px 0 0; padding-top: 34px; border-top: 1px solid var(--line); }
.benchmark-copy h3 { max-width: 330px; font-size: 26px; }
.benchmark-copy>p:not(.eyebrow):not(.micro) { font-size: 14px; max-width: 335px; }
.benchmark-copy .eyebrow { margin-bottom: 8px; }
.drop-chart { padding-top: 10px; }
.drop-row { display: grid; grid-template-columns: 125px 1fr 76px; align-items: center; gap: 14px; margin-bottom: 12px; font-size: 13px; }
.bar-track { height: 18px; background: #f2f4f1; border-radius: 3px; overflow: hidden; }
.bar-track i { display: block; height: 100%; width: var(--bar); background: #b9c2bb; border-radius: 3px; }
.drop-row b { font-variant-numeric: tabular-nums; font-size: 16px; text-align: right; font-weight: 600; }
.drop-row.ours { color: var(--green); font-weight: 700; margin-top: 16px; }
.ours .bar-track i { background: var(--green); }
.ours b { font-size: 20px; }
.drop-row small { font-size: 10px; font-weight: 500; }
.chart-note { margin: 15px 0 0; }
.overview { display: grid; grid-template-columns: 200px 1fr; gap: 35px; margin-top: 42px; border-top: 1px solid var(--line); padding-top: 34px; }
.overview h3 { font-size: 19px; margin: 3px 0 0; }
.overview p { margin: 0; font-size: 15px; }
.section-tint { background: #f7f9f6; border-block: 1px solid #edf0e9; }
.shortcut-layout { display: grid; grid-template-columns: 2fr 1fr; gap: 28px; }
.training-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.story-section .panel-label { font: 600 12px/1.5 'Noto Sans',sans-serif; letter-spacing: 0; margin-bottom: 14px; color: #6f786f; }
.video-card { margin: 0; min-width: 0; }
.video-card video { display: block; width: 100%; height: auto; aspect-ratio: 4/3; background: #e2e7df; border-radius: 7px; }
.video-card figcaption { padding: 13px 0 0; font-size: 14px; line-height: 1.65; }
.video-card figcaption>span:not(.model-tag) { display: block; }
.video-kicker { color: var(--muted); text-transform: uppercase; font-size: 10px; font-weight: 600; letter-spacing: .08em; margin-bottom: 3px; }
.red-word { color: #b54140; }
.blue-word { color: #23779d; }
.failure-label { font-size: 12px; color: #ad4841; display: block; margin-top: 3px; }
.text-button { color: #6c776e; border: 0; padding: 0; border-bottom: 1px solid #ccd4ca; background: transparent; margin-top: 9px; font-size: 11px; }
.shortcut-takeaway { display: flex; align-items: center; gap: 48px; margin-top: 32px; border-top: 1px solid #dfe6dc; padding-top: 22px; }
.shortcut-takeaway p { margin: 0; max-width: 730px; font-size: 16px; }
.pi-stat { display: flex; align-items: center; gap: 14px; margin-left: auto; flex-shrink: 0; }
.pi-stat strong { color: #7a544d; font: 600 38px/1 'Google Sans',sans-serif; letter-spacing: -1px; }
.pi-stat span { max-width: 220px; font-size: 12px; color: #78766e; line-height: 1.6; }
.idea-container { max-width: 980px; }
.future-reasoning { display: grid; grid-template-columns: 1fr 1fr; gap: 54px; margin: 35px 0; }
.future-reasoning h3 { font-size: 20px; }
.future-reasoning p { font-size: 15px; margin: 0; }
blockquote { margin: 34px 0 24px; padding: 24px 0 24px 30px; border-left: 3px solid #a4bfab; font: 400 25px/1.55 'Google Sans',sans-serif; letter-spacing: -.3px; color: #57645b; }
blockquote strong { color: var(--green); font-weight: 600; }
.idea-answer { font-size: 18px; color: #667068; margin: 0 0 0 33px; }
.idea-answer strong { color: var(--green); font-weight: 600; }
.method-section { padding-top: 30px; }
.method-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 54px; margin-top: 32px; }
.step-number { font-size: 12px; font-weight: 700; color: var(--green); display: block; margin-bottom: 14px; }
.method-step h3 { font-size: 24px; }
.method-step>p:not(.micro) { font-size: 14px; min-height: 90px; margin-bottom: 24px; }
.method-figure { margin: 0; }
.method-figure img { width: 100%; height: auto; display: block; }
.method-step .micro { margin: 17px 0 0; }
.shortcut-results { border-top: 1px solid var(--line); }
.shortcut-result-grid { display: grid; grid-template-columns: .75fr 1.25fr; gap: 90px; align-items: center; margin-top: 30px; }
.result-video { width: 100%; max-width: 340px; }
.result-video figcaption { font-size: 12px; color: var(--muted); }
.metric-label { color: #728074; font-size: 13px; margin: 0 0 18px; }
.number-comparison { display: flex; gap: 30px; align-items: center; }
.number-comparison>div { display: grid; gap: 10px; }
.number-comparison>div>strong { font: 600 76px/1 'Google Sans',sans-serif; letter-spacing: -3px; color: #909b91; }
.number-comparison strong span { font-size: 35px; }
.number-comparison>div>span { font-size: 14px; color: #808a80; }
.number-comparison .metric-ours strong, .number-comparison .metric-ours>span { color: var(--green); }
.metric-arrow { color: #b1bbae; font-size: 34px; }
.shortcut-metric>p:not(.metric-label):not(.micro) { max-width: 440px; font-size: 15px; margin: 27px 0 0; }
.demo-toolbar { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 20px; }
.task-buttons { display: flex; flex-wrap: wrap; gap: 6px; }
.task-buttons button { padding: 10px 14px; border: 1px solid #dce4d8; border-radius: 6px; background: transparent; color: #74806f; font-size: 12px; }
.task-buttons button[aria-pressed=true] { background: #e4eee4; color: #286749; border-color: #b7ceba; }
.condition-picker { display: grid; gap: 5px; font-size: 10px; color: #6e7b6b; }
.condition-picker select { font-size: 12px; padding: 9px 26px 9px 11px; border: 1px solid #dce4d8; border-radius: 6px; color: #485945; background: white; min-width: 180px; }
.robustness-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.model-tag { color: var(--green); font-size: 10px; font-weight: 700; background: #e1ecdf; border-radius: 3px; padding: 3px 6px; margin-right: 7px; }
.robustness-pair figcaption>span:not(.model-tag) { display: inline; }
.real-result { display: grid; grid-template-columns: 1fr 1.1fr; gap: 70px; margin-top: 35px; border-top: 1px solid #dfe6dc; padding-top: 30px; }
.real-result h3 { font-size: 24px; max-width: 300px; }
.real-result p:not(.chart-note) { font-size: 14px; margin-bottom: 18px; }
.text-link { color: var(--green); font-size: 12px; border-bottom: 1px solid #b3c4b1; padding-bottom: 3px; }
.success-row { display: grid; grid-template-columns: 1.2fr 1fr 24px 1fr; align-items: center; gap: 8px; padding: 13px 12px; font-size: 14px; border-bottom: 1px solid #e0e5da; }
.success-row strong { font-size: 24px; font-weight: 500; font-variant-numeric: tabular-nums; }
.success-row>span:nth-child(3) { color: #99a594; }
.success-row>strong:last-child { font-weight: 700; }
.success-row.table-head { font-size: 10px; color: #6e7c68; padding-top: 0; }
.success-ours { background: #e7efe3; color: var(--green); border-radius: 4px; border-bottom: 0; }
.success-ours>span:first-child { font-weight: 700; }
.citation-section { padding: 50px 0 60px; }
.closing-line { text-align: center; font: 500 25px/1.4 'Google Sans',sans-serif; color: var(--green); margin: 0 0 60px; letter-spacing: -.4px; }
.citation-section h2 { font-size: 23px; }
.bibtex-placeholder { font-size: 13px; background: #f6f7f4; padding: 20px; }
@media (max-width:1000px) {
 .container,.nav-inner { width: calc(100% - 40px); }
 .benchmark-block { gap: 40px; grid-template-columns: .8fr 1.2fr; }
 .condition-flow { gap: 8px; grid-template-columns: 1fr 18px 5fr; }
 .condition-grid { gap: 8px; }
 .condition-group { font-size: 10px; }
 .condition figcaption { font-size: 10px; }
 .method-grid { gap: 28px; }
 .shortcut-result-grid { gap: 40px; }
 .real-result { gap: 35px; }
 .number-comparison>div>strong { font-size: 64px; }
}
@media (max-width:700px) {
 .container,.nav-inner { width: calc(100% - 32px); }
 .story-section { padding: 48px 0; }
 .story-section h2 { font-size: 29px; letter-spacing: -.6px; }
 .section-intro { font-size: 15px; margin-bottom: 28px; }
 .nav-inner { gap: 18px; height: 52px; }
 .nav-brand { display: none; }
 .nav-links { gap: 18px; overflow: auto; }
 .nav-links a { font-size: 11px; }
 #motion-toggle { font-size: 10px; padding: 6px 8px; }
 .condition-flow { grid-template-columns: 1fr 22px 2.2fr; align-items: start; }
 .training-condition { margin-top: 45px; }
 .condition-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px 9px; }
 .condition-grid .condition:first-child { grid-column: 1/-1; max-width: calc((100% - 9px)/2); }
 .condition-group { font-size: 10px; line-height: 1.6; }
 .flow-arrow { margin-top: 90px; }
 .benchmark-block,.overview,.future-reasoning,.method-grid,.shortcut-result-grid,.real-result { grid-template-columns: 1fr; gap: 26px; }
 .benchmark-copy h3 { max-width: 100%; font-size: 23px; }
 .benchmark-copy>p:not(.eyebrow):not(.micro) { max-width: 100%; }
 .benchmark-copy .micro { margin-bottom: 0; }
 .benchmark-block { gap: 10px; margin-top: 28px; padding-top: 26px; }
 .drop-row { grid-template-columns: 110px 1fr 54px; gap: 8px; font-size: 12px; }
 .overview { gap: 12px; margin-top: 30px; padding-top: 27px; }
 .overview p { font-size: 14px; }
 .shortcut-layout { grid-template-columns: 1fr; gap: 28px; }
 .training-pair { gap: 13px; }
 .video-card figcaption { font-size: 12px; }
 .test-example { max-width: 430px; }
 .shortcut-takeaway { align-items: start; flex-direction: column; gap: 20px; }
 .shortcut-takeaway p { font-size: 14px; }
 .pi-stat { margin-left: 0; gap: 14px; }
 .pi-stat strong { font-size: 32px; }
 .pi-stat span { font-size: 12px; }
 .future-reasoning { gap: 22px; margin: 28px 0; }
 .future-reasoning h3 { font-size: 19px; }
 .future-reasoning p { font-size: 14px; }
 blockquote { padding: 12px 0 12px 20px; font-size: 21px; }
 .idea-answer { margin-left: 23px; font-size: 16px; }
 .method-section { padding-top: 12px; }
 .method-grid { gap: 40px; }
 .method-step h3 { font-size: 24px; }
 .method-step>p:not(.micro) { min-height: 0; }
 .method-step h3 br { display: none; }
 .result-video { max-width: 300px; }
 .number-comparison>div>strong { font-size: 76px; }
 .shortcut-metric>p:not(.metric-label):not(.micro) { margin-top: 20px; }
 .demo-toolbar { display: grid; gap: 18px; }
 .task-buttons { gap: 6px; }
 .task-buttons button { font-size: 10px; padding: 9px 10px; }
 .condition-picker { display: flex; align-items: center; gap: 12px; }
 .condition-picker select { flex: 1; }
 .robustness-pair { gap: 13px; }
 .real-result { gap: 25px; }
 .real-result h3 { max-width: 100%; }
 .success-row strong { font-size: 23px; }
 .closing-line { font-size: 21px; margin-bottom: 40px; }
}
@media (prefers-reduced-motion:reduce) { html { scroll-behavior:auto; } }
@media print { .section-nav,video,button { display:none!important; } .story-section { padding:24px 0; break-inside:avoid; } }

/* Review 2: distinguish evaluation and keep units beside each value. */
.drop-row b small { font-size: 10px; font-weight: 400; color: var(--muted); }
.test-example { border-left: 2px solid #dcbfb1; padding-left: 22px; }
@media(max-width:700px) { .test-example { padding-left: 16px; } .drop-row { grid-template-columns:110px 1fr 66px; } }

/* Review 3: legible media and usable controls on narrow screens. */
.motion-icon { display: none; }
@media(max-width:700px) {
 .nav-inner { gap: 12px; }
 .nav-links { gap: 14px; scrollbar-width: none; }
 .nav-links::-webkit-scrollbar { display: none; }
 .nav-links a { line-height: 38px; white-space: nowrap; }
 #motion-toggle { min-width: 36px; height: 36px; padding: 0; }
 .motion-label { display: none; }
 .motion-icon { display: inline; font-size: 16px; }
 .condition-flow { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 18px 12px; }
 .training-condition { margin: 0; }
 .evaluation-conditions, .condition-grid { display: contents; }
 .condition-group,.flow-arrow { display: none; }
 .condition-grid .condition:first-child { grid-column: auto; max-width: none; }
 .condition figcaption { font-size: 12px; padding-top: 8px; }
 .task-buttons { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); width: 100%; }
 .task-buttons button { font-size: 12px; padding: 10px 8px; min-height: 54px; line-height: 1.4; }
 .condition-picker { font-size: 12px; }
 .condition-picker select { font-size: 13px; min-height: 42px; }
}
@media(max-width:500px) {
 .robustness-pair { grid-template-columns: 1fr; gap: 24px; }
 .robustness-pair figcaption { font-size: 13px; }
}

/* Review 4: keep controls usable after switching paused media. */
.media-error { font-size: 12px; color: #935247; margin: 10px 0; }
@media(max-width:700px) { .nav-links { gap: 12px; } }

/* Review 5: concise copy and distinguish unperturbed evaluation. */
.condition figcaption small { display: block; font-size: 9px; font-weight: 400; color: var(--muted); }
.condition figcaption { min-height: 40px; }
.real-result .text-link { display: inline-block; margin-top: 8px; }