:root {
  --ink: #202d2c;
  --muted: #69726f;
  --accent: #25776b;
  --accent-dark: #17594f;
  --line: #e1e6e2;
  --wash: #f6f7f4;
  --mint: #eaf3ee;
  --body: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --heading: 'Manrope', var(--body);
}
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body { margin: 0; color: var(--ink); background: #fff; font-family: var(--body); font-size: 16px; line-height: 1.75; -webkit-font-smoothing: antialiased; }
button, input, select { font: inherit; }
a { color: var(--accent); transition: color .18s, background .18s; }
a:hover { color: var(--accent-dark); }
button { cursor: pointer; }
button:focus-visible, a:focus-visible, [tabindex]:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; }
::selection { background: #d6eae1; color: var(--ink); }
[hidden] { display: none !important; }
.container.is-max-desktop, .section-container { width: min(1120px, 100%); max-width: 1120px; margin: 0 auto; }
.section { padding: 86px 32px; }
.title, h1, h2, h3 { color: var(--ink); font-family: var(--heading); }
.title.is-3, .title { font-size: clamp(27px, 3vw, 36px); font-weight: 650; line-height: 1.3; letter-spacing: -1.1px; }
.section-title { margin: 10px 0 22px !important; text-align: left; }
.eyebrow { display: block; color: var(--accent); font-size: 11px; font-weight: 650; line-height: 1.5; letter-spacing: 1.8px; text-transform: uppercase; }
.section-intro, .section > .container > p.content { max-width: 800px; color: var(--muted); margin-bottom: 30px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; }
.skip-link { position: fixed; left: 20px; top: -100px; padding: 12px 20px; z-index: 200; background: #fff; }
.skip-link:focus { top: 10px; }
.site-header { position: sticky; top: 0; z-index: 50; border-bottom: 1px solid var(--line); background: rgb(255 255 255 / 95%); backdrop-filter: blur(16px); }
.site-nav { max-width: 1320px; margin: auto; min-height: 76px; padding: 0 40px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.wordmark { display: flex; align-items: center; gap: 11px; color: var(--ink); font-family: var(--heading); font-weight: 800; font-size: 23px; letter-spacing: -.8px; white-space: nowrap; }
.brand-mark { display: grid; grid-template-columns: repeat(3, 4px); gap: 3px; width: 29px; height: 29px; align-content: center; justify-content: center; border: 1px solid #b5cdc3; border-radius: 8px; transform: rotate(-8deg); }
.brand-mark i { width: 4px; height: 4px; background: var(--accent); border-radius: 50%; }
.brand-mark i:nth-child(3n) { opacity: .4; }
.wordmark-divider { height: 19px; width: 1px; background: var(--line); margin: 0 5px; }
.wordmark-caption { font-family: var(--body); font-size: 12px; font-weight: 400; letter-spacing: 0; color: var(--muted); }
.nav-links { display: flex; align-items: center; gap: 27px; }
.nav-links a { font-size: 12px; font-weight: 500; color: #58635f; white-space: nowrap; }
.nav-links a:hover, .nav-links a.is-current { color: var(--accent); }
.nav-links .nav-paper { border: 1px solid var(--line); border-radius: 6px; padding: 8px 15px; color: var(--ink); }
.nav-paper span { margin-left: 10px; }
.menu-toggle { display: none; }
.paper-hero { padding: 64px 24px 52px; text-align: center; background: radial-gradient(ellipse at 50% 5%, #f2f6ef 0, #fff 68%); }
.venue { display: inline-flex; align-items: center; gap: 10px; padding: 6px 13px; border: 1px solid #dce7df; border-radius: 5px; background: #f6f9f3; color: #4b6356; font-size: 11px; font-weight: 550; }
.venue-dot { width: 5px; height: 5px; background: #4f8b6b; border-radius: 50%; }
.venue-year { padding-left: 10px; border-left: 1px solid #d4dfd5; }
h1 { margin: 23px 0 0; }
.project-name { display: block; font-size: clamp(66px, 7vw, 88px); font-weight: 750; line-height: 1.15; letter-spacing: -5px; }
.project-name > span { color: var(--accent); }
.paper-title { display: block; margin: 17px auto 0; font-size: clamp(26px, 3.3vw, 40px); font-weight: 600; letter-spacing: -1.5px; line-height: 1.3; }
.publication-authors { display: flex; flex-wrap: wrap; justify-content: center; gap: 5px 22px; margin-top: 30px; font-size: 17px; font-weight: 500; }
.publication-authors a { color: var(--ink); border-bottom: 1px solid #ccd8d2; }
.publication-authors a:hover { color: var(--accent); border-color: var(--accent); }
sup { font-size: .66em; margin-left: 2px; color: var(--accent); }
.affiliations { max-width: 750px; margin: 14px auto 0; display: flex; justify-content: center; flex-wrap: wrap; gap: 1px 21px; color: var(--muted); font-size: 12px; }
.author-notes { margin: 10px 0 24px; color: #747a76; font-size: 10px; }
.author-notes > span { margin: 0 9px; }
.publication-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }
.resource-button { display: inline-flex; justify-content: center; align-items: center; gap: 10px; min-height: 44px; padding: 9px 18px; border: 1px solid #d9dfda; border-radius: 6px; background: #fff; color: var(--ink); font-size: 12px; font-weight: 550; line-height: 1.4; transition: background .18s, border-color .18s, transform .18s; }
.resource-button:hover { background: var(--wash); border-color: #aebeb3; color: var(--ink); transform: translateY(-1px); }
.resource-button.primary { background: var(--ink); border-color: var(--ink); color: #fff; }
.resource-button.primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); }
.resource-button svg { width: 16px; height: 18px; }
.button-meta { font-size: 9px; padding: 3px 5px; color: #dce7de; border: 1px solid #57655f; border-radius: 3px; }
.cite-symbol { font-family: monospace; font-size: 15px; }
.framework-section { padding: 0 32px; background: linear-gradient(#fff 0 45%, var(--wash) 45% 100%); }
.framework-figure { border: 1px solid var(--line); border-radius: 12px; background: #fff; padding: 23px 32px 0; box-shadow: 0 8px 28px #203b2a05; }
.figure-topline { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.figure-topline .eyebrow { font-size: 10px; color: #68756b; }
.figure-hint { color: #788178; font-size: 10px; }
.figure-hint span { margin-left: 6px; }
.figure-zoom { display: block; padding: 0; width: 100%; background: #fff; border: none; cursor: zoom-in; }
.figure-zoom img { display: block; width: min(850px, 100%); margin: auto; }
.framework-figure figcaption { border-top: 1px solid var(--line); margin-top: 22px; padding: 19px 0 22px; display: flex; align-items: baseline; gap: 25px; }
.figure-label { font-size: 10px; font-weight: 600; letter-spacing: 1px; color: var(--accent); flex: 0 0 auto; }
.framework-figure figcaption p { font-size: 13px; color: var(--muted); line-height: 1.7; }
.framework-facts { display: grid; grid-template-columns: 1fr 1fr 1.5fr; padding: 30px 0 35px; }
.framework-facts > div { display: flex; align-items: center; gap: 14px; padding: 0 26px; border-left: 1px solid #dce2da; }
.framework-facts > div:first-child { border: none; padding-left: 8px; }
.fact-number, .fact-symbol { font-family: var(--heading); font-size: 27px; letter-spacing: -1px; color: var(--accent); }
.framework-facts > div > span:last-child { font-size: 12px; color: #646e63; }
.overview-section { border-bottom: 1px solid var(--line); }
.overview-grid { display: grid; grid-template-columns: .9fr 1.4fr; gap: 80px; }
.overview-heading h2 { font-size: clamp(28px, 3vw, 36px); line-height: 1.35; letter-spacing: -1.1px; font-weight: 600; margin-top: 19px; }
.overview-heading > p { color: var(--muted); font-size: 14px; line-height: 1.9; margin: 23px 0; }
.text-link { font-size: 12px; font-weight: 600; }
.text-link span { margin-left: 16px; }
.abstract-copy .eyebrow { color: #6d776d; margin: 0 0 18px; }
.abstract-copy p { margin-bottom: 17px; font-size: 15px; color: #515d57; line-height: 1.85; }
.abstract-copy p:last-child { margin-bottom: 0; }
#mechanism-sim { background: #fff; }
.mech-sim-wrap { padding: 24px; border: 1px solid var(--line); border-radius: 10px; background: var(--wash); }
.mech-controls { display: flex; align-items: center; margin-bottom: 17px; }
.mech-control { display: flex; align-items: center; gap: 18px; }
.control-label { font-size: 12px; font-weight: 550; color: #58645c; }
.shape-toggle-buttons { display: flex; padding: 3px; border: 1px solid #d9e0d8; background: #fff; border-radius: 5px; }
.shape-toggle-btn { border: none; border-radius: 3px; padding: 6px 16px; font-size: 12px; background: transparent; color: #5c695f; }
.shape-toggle-btn.is-active { background: var(--accent); color: #fff; }
#sim-instructions { font-size: 12px; color: var(--muted) !important; margin-bottom: 20px !important; }
.mech-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 15px; }
.mech-card { min-width: 0; border: 1px solid var(--line); border-radius: 7px; background: #fff; padding: 16px 12px 12px; }
.mech-card h3 { font-size: 14px; font-weight: 700; margin-bottom: 13px; }
.mech-subtitle { font-size: 9px; text-transform: uppercase; letter-spacing: 1.1px; color: #6d786f; margin: 9px 0 6px; }
.mech-canvas { display: block; width: 100%; height: auto; border-radius: 4px; border: 1px solid #e1e8e4; touch-action: none; }
.mech-caption { font-size: 11px; color: var(--muted); line-height: 1.65; margin-top: 13px; }
#evaluation-sections { border-bottom: 1px solid var(--line); }
.collapsible-container { margin-top: 39px; }
.section-header { display: flex; justify-content: space-between; gap: 16px; align-items: baseline; margin: 39px 0 13px; }
.section-header h3 { font-size: 12px; font-weight: 650; text-transform: uppercase; letter-spacing: 1.3px; color: #5c6d5f; }
.section-header > span { font-size: 11px; color: var(--muted); }
.tab-item { border: 1px solid var(--line); border-radius: 7px; margin-bottom: 9px; overflow: clip; background: #fff; scroll-margin-top: 100px; }
.tab-header { width: 100%; display: flex; gap: 23px; align-items: center; padding: 21px 25px; background: #fff; border: none; color: var(--ink); text-align: left; }
.tab-header:hover { background: #f7f9f5; }
.tab-header:focus-visible { outline-offset: -4px; }
.metric-number { color: #7c9685; font: 12px var(--body); }
.metric-label { flex: 1; display: flex; align-items: baseline; justify-content: space-between; gap: 20px; }
.tab-title { display: block; font: 600 17px var(--heading); letter-spacing: -.35px; }
.metric-description { color: #798175; font: 11px var(--body); }
.tab-icon { font: 24px var(--body); color: var(--accent); line-height: 1; }
.tab-item.active { border-color: #bad0c0; }
.tab-item.active .tab-header { background: #f0f5ed; border-bottom: 1px solid #dce6d9; }
.tab-content { background: #fff; }
.tab-inner { padding: 35px; }
.tab-inner .section-container, .tab-inner .hero-body { width: 100%; max-width: 900px; margin: 0 auto; padding: 0; }
.tab-inner .section-container > h2, .tab-inner > .hero-body > h2 { display: none; }
.tab-inner p { margin: 20px auto !important; max-width: 790px; color: #536058; line-height: 1.8; font-size: 14px; text-align: left !important; }
.tab-inner b { color: #344e3e; font-weight: 650; }
.tab-inner h3, .tab-inner h4 { font-size: 19px; margin: 22px 0 13px; }
.tab-inner img { display: block; max-width: 100%; border-radius: 4px; cursor: zoom-in; }
.tab-inner iframe { max-width: 100%; border-radius: 6px; }
.tab-inner div[style*="background:#f1f3f4"] { background: var(--wash) !important; padding: 24px !important; margin-top: 24px; border-radius: 7px; }
iframe[title="YouTube video player"] { width: 100%; height: auto; aspect-ratio: 16 / 9; border: 0; }
.tab-inner .hero-body > div:has(> iframe) { width: 100%; }
.sketchfab-embed-wrapper { width: 100% !important; margin-inline: auto; }
.sketchfab-embed-wrapper iframe { width: 100%; }
mjx-container[display="true"] { max-width: 100%; overflow-x: auto; overflow-y: hidden; padding: 6px 0; }
#summary { background: #f0f4ec; border-block: 1px solid #dce5d6; }
#summary .hero-body { padding: 20px 0 0; }
#summary img { background: #fff; padding: 24px; border: 1px solid #dce5d6; border-radius: 8px; cursor: zoom-in; }
#summary p { font-size: 14px; line-height: 1.9; text-align: left !important; color: #52634f; }
.citation-heading { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.citation-heading .title { margin: 11px 0 15px; }
.citation-intro { font-size: 14px; color: var(--muted); margin: 0 0 26px; }
pre { border: 1px solid var(--line); border-radius: 7px; background: #f7f8f5; color: #51664d; padding: 27px; font-size: 12px; line-height: 1.85; tab-size: 2; }
pre code { font-family: 'SFMono-Regular', Consolas, monospace; }
.footer { background: #fff; padding: 35px 32px; border-top: 1px solid var(--line); }
.footer .container { max-width: 1120px; }.footer .columns { margin: 0; }.footer .column { width: 100%; padding: 0; }
.footer-brand { display: flex; align-items: center; justify-content: space-between; margin-bottom: 22px; font: 750 23px var(--heading); color: var(--ink); }
.footer-brand span { font: 12px var(--body); color: var(--muted); }
.footer .content p { font-size: 10px; line-height: 1.9; color: #7a8276; max-width: 850px; }
.footer .content a:not(.footer-brand) { color: #5e745c; text-decoration: underline; text-underline-offset: 2px; }
.lightbox-overlay { display: none; position: fixed; inset: 0; z-index: 100; padding: 60px 25px 25px; background: #15211eee; align-items: center; justify-content: center; }
.lightbox-overlay.is-active { display: flex; }
.lightbox-content { max-width: 100%; max-height: 100%; overflow: auto; }
.lightbox-content img { display: block; max-width: 100%; max-height: 85vh; object-fit: contain; background: #fff; }
.lightbox-close { position: absolute; top: 16px; right: 24px; background: #fff; border: 0; padding: 7px 18px; border-radius: 5px; font-size: 12px; color: var(--ink); }
.figure-link { padding: 0; background: transparent; border: 0; cursor: zoom-in; display: block; width: 100%; margin: 18px auto; }
@media (min-width: 769px) { .tab-inner .columns.is-mobile { display: flex; }.tab-inner .columns.is-mobile > .column { min-width: 0; } }
@media (max-width: 1080px) {
  .wordmark-caption, .wordmark-divider { display: none; }
  .site-nav { padding: 0 28px; }
  .overview-grid { gap: 45px; }
  .mech-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .metric-description { max-width: 230px; text-align: right; }
}
@media (max-width: 768px) {
  html { scroll-padding-top: 85px; }
  .section { padding: 55px 22px; }
  .site-nav { min-height: 65px; padding: 0 22px; }
  .wordmark { font-size: 21px; }
  .menu-toggle { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 5px; background: #fff; }
  .menu-toggle span { width: 17px; height: 1px; background: var(--ink); }
  .nav-links { display: none; position: absolute; top: 65px; left: 0; right: 0; padding: 15px 22px 22px; background: #fff; border-bottom: 1px solid var(--line); box-shadow: 0 15px 20px #203b2a08; }
  .nav-links.is-open { display: flex; align-items: stretch; flex-direction: column; gap: 0; }
  .nav-links a { padding: 11px 10px; font-size: 14px; }.nav-links .nav-paper { margin-top: 8px; }
  .paper-hero { padding: 43px 22px 38px; }
  .project-name { letter-spacing: -4px; }
  .paper-title { font-size: 28px; letter-spacing: -.9px; }.desktop-break { display: none; }
  .publication-authors { font-size: 15px; gap: 5px 15px; margin-top: 25px; }
  .affiliations { font-size: 11px; gap: 3px 15px; }
  .publication-links { gap: 7px; }.resource-button { padding: 10px 13px; font-size: 11px; gap: 8px; }
  .framework-section { padding: 0 16px; }.framework-figure { padding: 17px 15px 0; border-radius: 8px; }
  .figure-hint { display: none; }.figure-topline { margin-bottom: 16px; }
  .framework-figure figcaption { gap: 13px; padding: 16px 0; margin-top: 14px; }.framework-figure figcaption p { font-size: 11px; }.figure-label { font-size: 9px; }
  .framework-facts { grid-template-columns: 1fr 1fr; padding: 23px 0; gap: 15px; }
  .framework-facts > div { gap: 10px; padding: 0 15px; }.framework-facts > div > span:last-child { font-size: 10px; }
  .framework-facts > div:last-child { grid-column: 1 / -1; border: 0; padding-left: 8px; }.fact-number, .fact-symbol { font-size: 23px; }
  .overview-grid { grid-template-columns: 1fr; gap: 34px; }.overview-heading h2 br { display: none; }.overview-heading > p { margin: 18px 0; }.abstract-copy p { font-size: 14px; }
  .mech-sim-wrap { padding: 16px; }.mech-grid { gap: 10px; }.mech-card { padding: 12px 9px; }.mech-card h3 { font-size: 12px; }.mech-caption { font-size: 10px; }
  .mech-control { gap: 12px; }.control-label { font-size: 11px; }.shape-toggle-btn { padding: 6px 12px; }
  .section-header { display: block; }.section-header > span { display: block; margin-top: 3px; }
  .tab-header { padding: 18px 15px; gap: 14px; }.metric-label { display: block; }.tab-title { font-size: 15px; }.metric-description { display: block; font-size: 10px; text-align: left; margin-top: 6px; max-width: none; }.tab-icon { font-size: 22px; }
  .tab-inner { padding: 19px 14px; }.tab-inner p { font-size: 13px; }.tab-inner img { width: 100% !important; }.tab-inner .columns.is-mobile { display: block; }.tab-inner .column.is-half { width: 100%; }
  #summary img { padding: 9px; }#summary p { font-size: 13px; }
  .citation-heading { align-items: flex-start; flex-direction: column; gap: 0; }.copy-citation { margin-bottom: 18px; }.citation-intro { font-size: 13px; }
  pre { padding: 18px; font-size: 11px; }
  .footer { padding: 30px 22px; }.footer-brand { align-items: flex-start; flex-direction: column; gap: 7px; }.footer-brand span { font-size: 11px; }
}
@media (max-width: 380px) { .mech-grid { grid-template-columns: 1fr; }.venue { font-size: 10px; gap: 7px; }.paper-title { font-size: 25px; }.publication-links { gap: 6px; }.resource-button { padding-inline: 10px; }.button-meta { display: none; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition: none !important; animation: none !important; } }