:root {
  --paper: #f5f7fc;
  --ink: #16212b;
  --muted: #5b6068;
  --purple: #5920c9;
  --line: #dce0eb;
  --wash: #eeedf8;
  --mono: 'SFMono-Regular', Consolas, 'Liberation Mono', monospace;
  --serif: Georgia, 'Times New Roman', serif;
  --sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 28px; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 17px/1.8 var(--sans); text-align: center; }
a { color: inherit; text-underline-offset: 4px; }
a:hover { color: var(--purple); }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
button:focus-visible, a:focus-visible, video:focus-visible { outline: 3px solid var(--purple); outline-offset: 5px; }
img { display: block; max-width: 100%; height: auto; }
figure { margin: 0; }
main { width: min(960px, calc(100% - 64px)); margin: auto; counter-reset: section-num; }
.hero { padding: 20px 0 22px; text-align: center; }
.wordmark { width: 560px; max-width: 90%; margin: 0 auto 4px; }
h1 { font: normal clamp(1.65rem, 3.2vw, 2.45rem)/1.25 var(--serif); letter-spacing: -.025em; margin: 0 auto 18px; }
h1 em { font-style: normal; color: var(--purple); }
.authors { display: flex; flex-wrap: wrap; justify-content: center; gap: 2px 18px; font: 16px/1.9 var(--mono); }
sup { font-size: .7em; color: var(--purple); padding-left: 2px; }
.affiliations { margin: 8px auto 20px; font: 14px/1.7 var(--sans); color: var(--muted); }
.affiliations p { margin: 0; }
.publication-links { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.pill { display: inline-flex; align-items: center; justify-content: center; gap: 9px; border: 1px solid var(--ink); border-radius: 24px; text-decoration: none; padding: 7px 21px; font: 14px/1.6 var(--sans); min-height: 42px; }
.pill:hover { background: var(--purple); color: white; border-color: var(--purple); }
.pill-note { opacity: .6; font-size: .85em; }
.pill-icon { font-size: 1.05em; line-height: 1; }
.toc { display: none; }
section { padding: 54px 0 0; scroll-margin-top: 28px; }
.section-heading { margin-bottom: 30px; padding-bottom: 22px; border-bottom: 1px solid var(--line); }
.section-heading::before { counter-increment: section-num; content: counter(section-num, decimal-leading-zero); display: block; font: 13px/1.5 var(--mono); letter-spacing: .28em; color: var(--purple); margin-bottom: 10px; }
#videos .section-heading::before { content: none; }
h2 { font: normal clamp(1.8rem, 3vw, 2.2rem)/1.3 var(--serif); letter-spacing: -.02em; margin: 0; text-align: center; }
h3 { font: 600 1.22rem/1.5 var(--sans); margin: 34px 0 14px; }
section > h3 { font: 700 .85rem/1.5 var(--sans); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); margin: 40px 0 10px; }
section > p, section > h3, .ablation-panel, .task-definitions { max-width: 840px; margin-left: auto; margin-right: auto; }
p { margin-top: 0; margin-bottom: 18px; text-wrap: pretty; }
strong { font-weight: 650; }
ul { padding-left: 24px; margin: 14px 0; }
li { margin-bottom: 12px; }
#abstract { margin-top: 52px; padding: 32px 32px 22px; background: #edf0f7; border-radius: 10px; }
.small-note { font-size: 14px; color: var(--muted); text-align: center; }
.metrics { display: grid; grid-template-columns: repeat(3, 1fr); max-width: 840px; margin: 0 auto 20px; border-block: 1px solid var(--line); }
.metrics > div { padding: 22px 16px; text-align: center; }
.metrics > div + div { border-left: 1px solid var(--line); }
.metrics strong { display: block; font: normal 2.65rem/1.3 var(--serif); color: var(--purple); }
.metrics strong span { font-size: 1.5rem; }
.metrics > div > span { display: block; font: 14px/1.7 var(--sans); margin-top: 7px; }
/* Each figure's inline --figure-width sets its desktop maximum. Images shrink on mobile. */
.paper-figure { width: min(100%, var(--figure-width, 800px)); margin: 28px auto; }
.paper-figure img { width: 100%; background: transparent; border-radius: 0; mix-blend-mode: multiply; }
.math { white-space: nowrap; font-family: var(--serif); }
video { display: block; width: 100%; height: auto; background: #14151a; border-radius: 8px; }
.rollout-grid { display: flex; flex-direction: column; gap: 28px; max-width: 960px; margin: 26px auto; }
.rollout-row { display: grid; gap: 28px 18px; }
.rollout-row.row-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.rollout-row.row-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); width: calc(66.6667% - 6px); margin: 0 auto; }
.rollout-row.row-1 { grid-template-columns: minmax(0, 1fr); max-width: 640px; margin: 0 auto; }
.rollout video { aspect-ratio: 4/3; }
.video-figure { width: min(100%, 680px); margin: 25px auto; }
#citation { border-top: 1px solid var(--line); margin-top: 50px; padding-top: 34px; }
.citation-box { position: relative; max-width: 840px; margin: auto; background: #edf0f7; border: 1px solid var(--line); border-radius: 10px; padding: 24px; }
pre { white-space: pre-wrap; overflow-wrap: anywhere; margin: 0; font: 13px/1.8 var(--mono); padding-top: 32px; text-align: left; }
#copy-citation { position: absolute; right: 15px; top: 15px; border: 1px solid var(--line); border-radius: 6px; padding: 6px 13px; background: var(--paper); font-size: 14px; cursor: pointer; }
.citation-note { font-size: 14px; color: var(--muted); }
footer { display: flex; align-items: center; justify-content: space-between; gap: 22px; border-top: 1px solid var(--line); padding: 30px 0 40px; margin-top: 65px; font: 12px/1.7 var(--sans); color: var(--muted); }
footer > span { font: italic bold 1.15rem var(--sans); color: var(--purple); }
footer p { margin: 0; }
footer > a { white-space: nowrap; }
.skip { position: fixed; left: 20px; top: -100px; background: white; padding: 12px; z-index: 10; }
.skip:focus { top: 10px; }
@media (min-width: 1370px) {
  .toc { display: flex; flex-direction: column; position: fixed; top: 180px; left: max(28px, calc((100vw - 1370px)/2)); width: 175px; gap: 11px; font: 13px/1.5 var(--mono); }
  .toc a { text-decoration: none; }
  .toc-brand { font: italic bold 22px var(--sans); margin-bottom: 16px; }
  .toc-brand span { color: var(--purple); }
  .toc-label { font: 11px/1.5 var(--mono); letter-spacing: .12em; color: var(--muted); border-bottom: 1px solid var(--line); padding-bottom: 12px; margin: 0; }
  .toc a.active { color: var(--purple); font-weight: 700; }
  .toc .toc-paper { border-top: 1px solid var(--line); padding-top: 15px; margin-top: 7px; font-size: 12px; }
  main { transform: translateX(35px); }
}
@media (max-width: 700px) {
  main { width: calc(100% - 36px); }
  .hero { padding: 19px 0 20px; }
  .wordmark { max-width: 92%; margin-bottom: 4px; }
  h1 { font-size: 1.7rem; margin-bottom: 23px; }
  .desktop-break { display: none; }
  .authors { font-size: 14px; gap: 5px 13px; }
  .affiliations { font-size: 13px; margin-top: 14px; }
  .pill { padding: 7px 15px; }
  section { padding-top: 42px; }
  h2 { font-size: 1.85rem; }
  h3 { font-size: 1.15rem; }
  body { font-size: 16px; }
  #abstract { margin-top: 38px; padding: 26px 18px 15px; }
    .metrics > div { padding: 18px 6px; }
  .metrics strong { font-size: 2rem; }
  .metrics strong span { font-size: 1rem; }
  .metrics > div > span { font-size: 12px; }

  .math { white-space: normal; }
  footer { flex-wrap: wrap; gap: 15px; }
  footer p { order: 3; width: 100%; }
  .citation-box { padding: 18px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

/* The chart assets contain real alpha transparency, including antialiased edges. */
#results .paper-figure img { background: transparent; border-radius: 0; }

/* Numbered contributions keep a shared baseline without card containers. */
.contributions { max-width: 840px; margin: 0 auto; padding: 0; list-style: none; }
.contributions li { display: grid; grid-template-columns: 54px 1fr; gap: 20px; padding: 22px 0; margin: 0; border-bottom: 1px solid var(--line); }
.contributions li:first-child { padding-top: 0; }
.contribution-number { color: var(--purple); font: normal 3rem/1.15 var(--serif); }
.contributions h3 { margin: 0 0 6px; font-size: 1.08rem; }
.contributions p { margin: 0; }
.rollout h3 { text-align: center; margin: 10px 0 2px; font-size: 15px; }
.video-label p { text-align: center; margin: 0; color: var(--muted); font-size: 12px; line-height: 1.5; }
.rollout { min-width: 0; }
@media (max-width: 540px) {
  .rollout-row.row-3, .rollout-row.row-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px 12px; width: auto; margin: 0; }
  .rollout-row.row-3 .rollout:last-child { grid-column: 1 / -1; width: calc(50% - 6px); margin: 0 auto; }
}
@media (max-width: 360px) {
  .rollout-row.row-3, .rollout-row.row-2, .rollout-row.row-1 { grid-template-columns: 1fr; }
  .rollout-row.row-3 .rollout:last-child { width: auto; margin: 0; }
}
@media (max-width: 700px) {
  .contributions li { grid-template-columns: 36px 1fr; gap: 14px; }
  .contribution-number { font-size: 2.4rem; }
}

.author-notes { display: flex; flex-wrap: wrap; justify-content: center; gap: 4px 20px; margin: -10px 0 24px; color: var(--muted); font: 13px/1.7 var(--sans); }
.author-notes > span { white-space: nowrap; }
.authors > span { white-space: nowrap; }

.ablation-tabs { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; max-width: 840px; margin: 0 auto 8px; }
.ablation-tab { border: 1px solid var(--line); background: #fff; color: var(--muted); border-radius: 20px; padding: 8px 18px; font: 14px/1.5 var(--sans); cursor: pointer; }
.ablation-tab:hover { border-color: var(--purple); color: var(--purple); }
.ablation-tab.is-active { background: var(--purple); border-color: var(--purple); color: #fff; }
.ablation-panel[hidden] { display: none; }