:root {
  --paper: #fcfcfc;
  --ink: #202020;
  --muted: #707070;
  --line: #e8e8e8;
  --soft: #f4f4f4;
  --font: 'Geist', 'Helvetica Neue', Arial, sans-serif;
  --frame: 1040px;
  --gutter: 56px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 17px/1.65 var(--font); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
p, h1, h2, h3, figure { margin: 0; }
a, button { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible, [tabindex]:focus-visible { outline: 2px solid var(--ink); outline-offset: 6px; }
a:hover { color: #707070; }
button { cursor: pointer; }
.skip-link { position: fixed; top: -100px; left: 20px; z-index: 100; padding: 12px 20px; color: white; background: #202020; }
.skip-link:focus { top: 12px; }
.site-frame { width: min(var(--frame), 100% - var(--gutter) * 2); margin-inline: auto; border-inline: 1px solid var(--line); }
.site-header { min-height: 86px; padding: 20px 36px; display: flex; align-items: center; gap: 40px; border-bottom: 1px solid var(--line); }
.wordmark { display: inline-flex; align-items: center; gap: 9px; font-size: 22px; font-weight: 550; letter-spacing: -.07em; line-height: 1.1; }
.brand-symbol { font-size: 32px; font-weight: 400; letter-spacing: -.1em; margin-right: 3px; }
.wordmark-note { color: var(--muted); font-size: 14px; font-weight: 400; letter-spacing: -.02em; padding-left: 13px; margin-left: 6px; border-left: 1px solid #d9d9d9; }
nav { display: flex; gap: 28px; margin-left: auto; font-size: 14px; }
.header-paper { display: inline-flex; gap: 16px; align-items: center; padding: 8px 17px; font-size: 13px; border: 1px solid #d9d9d9; border-radius: 30px; }
.header-paper:hover { background: #f1f1f1; color: var(--ink); }
.hero { padding: 99px 32px 76px; text-align: center; }
.paper-meta { display: flex; align-items: center; justify-content: center; gap: 15px; font-size: 14px; color: #555; }
.meta-divider { width: 1px; height: 12px; background: #c9c9c9; }
h1 { margin: 28px auto 26px; font-size: clamp(44px, 5.4vw, 72px); line-height: 1.065; font-weight: 450; letter-spacing: -.06em; max-width: 880px; }
.hero-deck { font-size: 21px; font-weight: 400; letter-spacing: -.035em; color: #6b6b6b; }
.resource-links { display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.button { display: inline-flex; align-items: center; gap: 22px; justify-content: center; min-height: 46px; padding: 11px 21px; font-size: 14px; border-radius: 28px; transition: background .15s; }
.button.primary { color: #fff; background: #222; border: 1px solid #222; }
.button.primary:hover { background: #444; }
.button.secondary { border: 1px solid #dcdcdc; }
.button.secondary:hover { background: #f1f1f1; color: #202020; }
.text-link { display: inline-flex; align-items: center; gap: 13px; font-size: 14px; white-space: nowrap; }
.resource-links .text-link { padding: 11px 15px; }
.author-band { margin: 0 64px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 27px 0 29px; display: grid; grid-template-columns: 148px 1fr; align-items: baseline; gap: 25px; }
.author-band h2 { font-size: 13px; color: var(--muted); font-weight: 400; }
.authors { display: flex; flex-wrap: wrap; column-gap: 23px; row-gap: 8px; font-size: 14px; line-height: 1.65; }
.authors a { white-space: nowrap; text-decoration: underline; text-decoration-color: transparent; text-underline-offset: 4px; }
.authors a:hover { color: #222; text-decoration-color: #707070; }
.reading-section { margin: 0 64px; padding: 78px 0; display: grid; grid-template-columns: 148px minmax(0, 1fr); gap: 25px; }
.section-label { display: flex; flex-direction: column; gap: 9px; align-items: flex-start; }
.section-number { font-size: 12px; line-height: 1.5; color: #707070; font-variant-numeric: tabular-nums; }
.section-label h2 { font-size: 17px; line-height: 1.45; font-weight: 450; letter-spacing: -.025em; }
.prose { max-width: 790px; }
.prose p { color: #666; font-size: 17px; line-height: 1.85; letter-spacing: -.018em; margin-bottom: 20px; }
.prose p:last-child { margin-bottom: 0; }
.prose p.lead { font-size: 27px; line-height: 1.45; letter-spacing: -.045em; color: #292929; margin-bottom: 28px; }
.motivation-section, .method-section, .results-section { margin: 0 64px; padding: 43px 0 72px; border-top: 1px solid var(--line); }
.wide-section-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; margin-bottom: 34px; }
.section-aside { font-size: 13px; color: var(--muted); }
.paper-figure { margin: 0; }
.figure-image { display: block; background: #fff; border: 1px solid var(--line); padding: 36px 42px; }
.paper-figure img { display: block; width: 100%; height: auto; }
.paper-figure figcaption { font-size: 13px; line-height: 1.7; color: var(--muted); max-width: 850px; margin: 17px 0 0; }
.paper-figure figcaption span { color: #333; }
.method-steps { display: grid; grid-template-columns: minmax(0, 1fr); list-style: none; padding: 0; margin: 34px 0 0; }
.method-steps li { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); gap: 42px; align-items: center; padding: 26px 0; border-top: 1px solid var(--line); }
.step-index { display: block; font-size: 12px; color: #707070; margin-bottom: 15px; }
.method-steps h3 { font-size: 17px; line-height: 1.5; font-weight: 450; letter-spacing: -.025em; margin-bottom: 10px; }
.method-steps p { font-size: 15px; line-height: 1.8; letter-spacing: -.015em; color: #707070; }
.result-highlights { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin: 46px 0 51px; }
.result-highlights article { padding-right: 30px; }
.result-highlights article + article { padding-left: 48px; padding-right: 0; border-left: 1px solid var(--line); }
.metric-label { font-size: 14px; line-height: 1.6; }
.metric-label > span { display: block; font-size: 12px; color: var(--muted); margin-top: 3px; }
.metric-values { display: flex; gap: 18px; align-items: baseline; white-space: nowrap; font-size: clamp(32px, 3.8vw, 51px); line-height: 1.2; letter-spacing: -.07em; margin: 25px 0 22px; font-variant-numeric: tabular-nums; }
.metric-values strong { font-weight: 450; }
.metric-before { color: #828282; }
.metric-arrow { color: #9a9a9a; font-size: .6em; align-self: center; font-weight: 400; }
.unit { font-size: .58em; margin-left: 2px; }
.metric-context h3 { font-size: 15px; font-weight: 450; line-height: 1.5; }
.metric-context p { font-size: 13px; color: var(--muted); margin-top: 3px; }
.table-wrap { overflow-x: auto; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
table { border-collapse: collapse; width: 100%; font-size: 14px; line-height: 1.6; white-space: nowrap; font-variant-numeric: tabular-nums; text-align: left; }
caption { text-align: left; font-size: 13px; font-weight: 400; padding: 18px 0; }
th, td { text-align: left; padding: 14px 17px; }
thead { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); font-size: 12px; color: var(--muted); }
thead th { font-weight: 400; }
tbody th { font-size: 14px; font-weight: 400; padding-left: 0; }
thead th:first-child { padding-left: 0; }
.ours { background: #efefef; }
.ours td { font-weight: 550; }
.model-divider { border-top: 1px solid var(--line); }
.result-notes { display: flex; justify-content: space-between; align-items: start; gap: 45px; margin-top: 22px; }
.result-notes p { font-size: 12px; color: var(--muted); max-width: 740px; line-height: 1.8; }
.result-notes .text-link { font-size: 12px; padding-top: 1px; }
.citation { border-top: 1px solid var(--line); padding-top: 44px; padding-bottom: 67px; }
.citation-content { min-width: 0; }
.citation-top { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-bottom: 16px; font-size: 13px; color: var(--muted); }
.citation-actions { display: flex; align-items: center; gap: 22px; }
.citation-actions a { font-size: 13px; color: #333; }
#copy-citation { border: 1px solid #dcdcdc; background: transparent; color: #333; font-size: 13px; border-radius: 20px; padding: 7px 15px; }
#copy-citation:hover { background: #eee; }
pre { margin: 0; padding: 24px 27px; background: #f3f3f3; border: 1px solid #eaeaea; border-radius: 3px; font: 12px/1.9 ui-monospace, SFMono-Regular, Consolas, monospace; color: #656565; overflow: auto; }
.copy-status { min-height: 24px; font-size: 12px; color: #555; margin-top: 6px; }
footer { border-top: 1px solid var(--line); padding: 37px 36px 24px; }
.footer-top { display: flex; align-items: center; gap: 28px; }
.footer-top p { font-size: 13px; color: var(--muted); margin-right: auto; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; color: #707070; font-size: 12px; margin-top: 30px; }

.author-band { row-gap: 10px; }
.authors sup { font-size: 11px; line-height: 0; margin-left: 2px; }
.author-note { grid-column: 2; font-size: 12px; color: var(--muted); }
.affiliation-band { border-bottom: 1px solid var(--line); padding: 25px 0 27px; display: grid; grid-template-columns: 148px 1fr; align-items: start; gap: 25px; }
.affiliation-band h2 { font-size: 13px; color: var(--muted); font-weight: 400; padding-top: 11px; }
.affiliations { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 30px; row-gap: 11px; font-size: 14px; }
.affiliations li { display: flex; align-items: center; gap: 13px; min-width: 0; }
.aff-logo { flex: none; display: grid; place-items: center; width: 48px; height: 44px; }
.aff-logo img { width: 100%; height: 100%; object-fit: contain; }
.aff-name { min-width: 0; line-height: 1.45; }
.aff-name sup { font-size: 11px; line-height: 0; margin-right: 4px; color: var(--muted); }
.equation { min-width: 0; overflow-x: auto; padding: 8px 3px; font-size: 16px; }
.equation .katex-display { margin: 10px 0; }
.equation .katex-display > .katex { text-align: left; }
.prose .katex, .step-copy .katex, .math-notation .katex { font-size: 1.05em; }
.math-notation { border-top: 1px solid var(--line); padding-top: 18px; color: var(--muted); font-size: 14px; }
.math-notation summary { cursor: pointer; color: var(--ink); width: fit-content; padding: 4px 0; }
.math-notation p { max-width: 900px; margin-top: 15px; line-height: 1.8; }
.math-notation a { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }


.anchor-alias { display: block; height: 0; }
.motivation-section { border-top: 0; padding-top: 72px; }
.reading-intro { display: grid; grid-template-columns: 148px minmax(0, 1fr); gap: 25px; margin-bottom: 52px; }
.observation-layout { display: grid; grid-template-columns: minmax(240px, .8fr) minmax(0, 1.5fr); gap: 42px; align-items: center; }
.observation-copy h3, .subsection-heading h3 { font-size: 23px; line-height: 1.35; font-weight: 450; letter-spacing: -.04em; margin-bottom: 18px; }
.observation-copy p, .subsection-heading p { font-size: 16px; line-height: 1.8; color: #666; margin-bottom: 16px; }
.observation-copy .evidence-label { font-size: 12px; line-height: 1.8; color: #707070; margin-top: 25px; }
.compact-figure { padding: 20px; }
.subsection-heading { margin: 48px 0 25px; max-width: 890px; }
.subsection-heading p:last-child { margin-bottom: 0; }
.method-intro { margin-bottom: 28px; }
.section-source { font-size: 12px; line-height: 1.8; color: #707070; margin: 15px 0 30px; max-width: 880px; }
.section-source a, .paper-figure figcaption a, .research-details a { color: #333; text-decoration: underline; text-underline-offset: 3px; }
.component-table tbody td { text-align: center; }
.component-table thead th:not(:first-child) { text-align: center; }
.component-table .ours th { font-weight: 550; }
.research-details { border-top: 1px solid var(--line); margin-top: 22px; padding-top: 20px; }
.research-details summary { font-size: 14px; cursor: pointer; padding-block: 5px; }
.research-details .prose { margin-top: 20px; }
.research-details .prose p { font-size: 15px; }
.quantization-figures { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; }
.quantization-figures figure { min-width: 0; }
.quantization-figures img { display: block; width: 100%; height: auto; border: 1px solid var(--line); }
.quantization-figures figcaption { margin-top: 12px; font-size: 13px; color: #707070; }
.evaluation-section { border-top: 1px solid var(--line); }
.protocol { margin: 25px 0 28px; font-size: 14px; }
.protocol > div { display: grid; grid-template-columns: 150px 1fr; gap: 22px; padding-block: 13px; border-bottom: 1px solid var(--line); }
.protocol dt { color: #707070; }
.protocol dd { margin: 0; }

/* Centered content track: every text block ends on the same right edge as figures and tables. */
:root { --track: 820px; }
.author-band, .affiliation-band, .reading-section, .motivation-section, .method-section, .results-section { margin-inline: max(64px, calc((100% - var(--track)) / 2)); }
.prose, .subsection-heading, .section-source, .paper-figure figcaption, .math-notation p { max-width: none; }
.result-notes p { max-width: none; flex: 1; }

/* Line breaking: balanced headings, no orphans, names kept whole. */
h1, h2, h3, .hero-deck, caption { text-wrap: balance; }
p, figcaption, dd, summary { text-wrap: pretty; }
.nw { white-space: nowrap; }

/* Running text is justified; hyphenation keeps the word spacing even. Display
   text, captions of a single line, and labels stay ragged-right. */
.prose p, .step-copy p, .math-notation p, .subsection-heading p,
.paper-figure figcaption, .section-source, .result-notes p {
  text-align: justify;
  hyphens: auto;
  -webkit-hyphens: auto;
  hyphenate-limit-chars: 7 4 3;
}
.prose p.lead { text-align: left; hyphens: manual; -webkit-hyphens: manual; }
/* The observation sidebar is too narrow to justify: one long unbreakable term opens a river. */
.observation-copy p { text-align: left; }

.method-intro-grid { margin-bottom: 40px; }
.method-intro-grid .method-intro { margin-bottom: 0; }
.section-link { margin-top: 12px; font-size: 13px; color: var(--muted); }

/* Paper menu in the header: hover or focus opens it on desktop; tap toggles it on touch. */
nav { align-items: center; }
.nav-menu { position: relative; }
.nav-menu-toggle { display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; padding: 0; border: 0; background: none; color: inherit; font-size: inherit; line-height: inherit; }
.nav-menu-toggle:hover { color: #707070; }
.nav-caret { font-size: 10px; color: var(--muted); transition: transform .15s; }
.nav-menu-list { position: absolute; top: 100%; right: -18px; z-index: 20; width: 360px; margin: 0; padding: 8px; padding-top: 18px; list-style: none; background: transparent; visibility: hidden; opacity: 0; transform: translateY(-4px); transition: opacity .15s, transform .15s, visibility .15s; }
.nav-menu-list::before { content: ''; position: absolute; inset: 10px 0 0; z-index: -1; background: #fff; border: 1px solid var(--line); border-radius: 6px; box-shadow: 0 12px 32px rgba(0, 0, 0, .07); }
.nav-menu:hover:not(.is-dismissed) .nav-menu-list, .nav-menu:focus-within:not(.is-dismissed) .nav-menu-list, .nav-menu.is-open .nav-menu-list { visibility: visible; opacity: 1; transform: none; }
.nav-menu:hover:not(.is-dismissed) .nav-caret, .nav-menu.is-open .nav-caret { transform: rotate(180deg); }
.nav-menu-list a { display: grid; grid-template-columns: 1fr auto; column-gap: 16px; row-gap: 2px; padding: 11px 13px; border-radius: 4px; }
.nav-menu-list a:hover, .nav-menu-list a:focus-visible { background: var(--soft); color: var(--ink); }
.nav-menu-list a:focus-visible { outline-offset: -2px; }
.nav-menu-list li + li a { margin-top: 2px; }
.nav-menu-name { grid-column: 1; grid-row: 1; font-size: 14px; font-weight: 550; letter-spacing: -.02em; }
.nav-menu-venue { grid-column: 2; grid-row: 1; font-size: 12px; color: var(--muted); text-align: right; align-self: center; font-variant-numeric: tabular-nums; }
.nav-menu-title { grid-column: 1 / -1; grid-row: 2; font-size: 12px; line-height: 1.5; color: var(--muted); text-wrap: pretty; }
.nav-menu-list a[aria-current="page"] .nav-menu-name::after { content: ' · this page'; font-weight: 400; color: var(--muted); font-size: 12px; }
.nav-menu-group { margin: 8px 13px 0; padding: 12px 0 2px; border-top: 1px solid var(--line); font-size: 11px; color: var(--muted); letter-spacing: .02em; }

@media (min-width: 1500px) {
  .hero { padding-top: 116px; padding-bottom: 94px; }
}
@media (max-width: 1100px) {
  :root { --gutter: 24px; }
  .site-header { padding-inline: 27px; gap: 28px; }
  .wordmark-note { display: none; }
  .reading-intro { grid-template-columns: 112px minmax(0, 1fr); }
  .observation-layout { gap: 25px; grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); }
  nav { gap: 22px; }
  .hero { padding: 86px 26px 64px; }
  .author-band, .affiliation-band, .reading-section, .motivation-section, .method-section, .results-section { margin-inline: 38px; }
  .author-band, .affiliation-band, .reading-section { grid-template-columns: 112px minmax(0, 1fr); }
  .prose p.lead { font-size: 25px; }
  .result-highlights article + article { padding-left: 30px; }
  .metric-values { gap: 14px; font-size: clamp(30px, 3.5vw, 45px); }
  .result-notes { flex-direction: column; gap: 14px; }
  .figure-image { padding: 28px; }
}
@media (max-width: 760px) {
  .section-link { margin: 0 0 0 auto; font-size: 12px; }
  .method-intro-grid .section-label { width: 100%; }
  html { scroll-padding-top: 32px; }
  :root { --gutter: 16px; }
  .site-header { min-height: 72px; padding: 17px 20px; gap: 18px; }
  .wordmark { font-size: 21px; }
  .brand-symbol { font-size: 28px; }
  .header-paper { display: none; }
  nav { font-size: 12px; gap: 17px; }
  nav { width: 100%; margin-left: 0; justify-content: space-between; }
  .site-header { flex-wrap: wrap; }
  nav a, .nav-menu-toggle { padding-block: 6px; }
  /* Anchor the menu to the full-width nav so it never extends past the screen edge. */
  nav { position: relative; }
  .nav-menu { position: static; }
  .nav-menu-list { right: 0; width: min(340px, 100%); }
  .hero { padding: 67px 20px 49px; }
  .paper-meta { font-size: 12px; gap: 12px; }
  h1 { font-size: clamp(36px, 6.9vw, 53px); line-height: 1.12; letter-spacing: -.06em; margin: 28px auto 22px; }
  .hero-deck { font-size: 17px; line-height: 1.55; max-width: 310px; margin: auto; }
  .resource-links { gap: 9px; margin-top: 27px; }
  .button { font-size: 13px; padding: 10px 16px; min-height: 44px; gap: 15px; }
  .resource-links .text-link { font-size: 12px; padding: 8px 10px; }
  .author-band, .affiliation-band, .reading-section, .motivation-section, .method-section, .results-section { margin-inline: 24px; }
  .author-band { grid-template-columns: minmax(0, 1fr); gap: 13px; padding: 23px 0 26px; }
  .affiliation-band { grid-template-columns: minmax(0, 1fr); gap: 12px; padding: 21px 0 24px; }
  .affiliation-band h2 { padding-top: 0; }
  .affiliations { grid-template-columns: minmax(0, 1fr); row-gap: 15px; font-size: 13px; }
  .author-band .author-note { grid-column: 1; }
  .authors { font-size: 13px; column-gap: 18px; row-gap: 7px; }
  .reading-section { grid-template-columns: minmax(0, 1fr); gap: 24px; padding-block: 43px; }
  .section-label { flex-direction: row; align-items: baseline; gap: 15px; }
  .section-number { font-size: 11px; }
  .section-label h2 { font-size: 16px; }
  .prose p.lead { font-size: 23px; line-height: 1.45; margin-bottom: 24px; }
  .prose p { font-size: 16px; line-height: 1.8; }
  .motivation-section, .method-section, .results-section { padding: 29px 0 42px; }
  .wide-section-heading { gap: 15px; margin-bottom: 26px; }
  .wide-section-heading .text-link { font-size: 12px; }
  .figure-image { padding: 14px 8px; margin-inline: -12px; }
  .paper-figure figcaption { font-size: 12px; }
  .reading-intro { grid-template-columns: minmax(0, 1fr); gap: 25px; margin-bottom: 30px; }
  .observation-layout, .quantization-figures { grid-template-columns: minmax(0, 1fr); gap: 22px; }
  .observation-copy h3, .subsection-heading h3 { font-size: 21px; }
  .subsection-heading { margin-top: 34px; }
  .compact-figure { padding: 10px 6px; }
  .protocol > div { grid-template-columns: minmax(0, 1fr); gap: 5px; }
  .component-table { max-width: 100%; }

  .method-steps { gap: 0; margin-top: 27px; }
  .method-steps li { display: block; padding: 24px 0; }
  .step-index { margin: 0 0 10px; }
  .equation { margin-top: 16px; font-size: 14px; }
  .method-steps h3 { font-size: 16px; margin-bottom: 7px; }
  .method-steps p { font-size: 15px; }
  .section-aside { display: none; }
  .result-highlights { grid-template-columns: minmax(0, 1fr); gap: 31px; margin: 30px 0 36px; }
  .result-highlights article { padding: 0; }
  .result-highlights article + article { padding: 26px 0 0; border-left: 0; border-top: 1px solid var(--line); }
  .metric-values { font-size: clamp(35px, 9.8vw, 52px); gap: 17px; margin: 18px 0 14px; }
  .metric-context h3 { font-size: 14px; }
  .metric-label { font-size: 14px; }
  .metric-label > span, .metric-context p { font-size: 12px; }
  table { font-size: 13px; }
  tbody th { font-size: 13px; }
  th, td { padding: 12px 16px; }
  .result-notes p { font-size: 12px; }
  .citation-top { font-size: 12px; }
  .citation-actions { gap: 15px; }
  pre { padding: 18px; font-size: 11px; }
  footer { padding: 27px 24px 22px; }
  .footer-top { flex-wrap: wrap; gap: 17px; }
  .footer-top p { order: 3; width: 100%; font-size: 12px; }
  .footer-top .text-link { margin-left: auto; font-size: 12px; }
  .footer-bottom { font-size: 11px; margin-top: 24px; }
}
@media (max-width: 375px) {
  :root { --gutter: 10px; }
  .site-header { padding-inline: 15px; }
  nav { gap: 13px; }
  h1 { font-size: 34px; }
  .metric-values { gap: 12px; font-size: 34px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}