:root {
  --ink: #17201d;
  --ink-soft: #4f5c57;
  --paper: #f7f5ef;
  --paper-deep: #ebe7dc;
  --white: #fffef9;
  --mint: #9ce6ca;
  --mint-bright: #b9f4dc;
  --green: #166c54;
  --green-dark: #0d392f;
  --orange: #ff8b5c;
  --orange-soft: #ffd7c5;
  --line: rgba(23, 32, 29, 0.14);
  --radius-sm: 14px;
  --radius-md: 24px;
  --radius-lg: 38px;
  --shadow: 0 24px 70px rgba(24, 48, 39, 0.1);
  --max-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Manrope", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  z-index: -2;
  inset: 0;
  content: "";
  pointer-events: none;
  background-image: radial-gradient(rgba(23, 32, 29, 0.07) 0.7px, transparent 0.7px);
  background-size: 18px 18px;
  -webkit-mask-image: linear-gradient(to bottom, black, transparent 52%);
  mask-image: linear-gradient(to bottom, black, transparent 52%);
}

a {
  color: inherit;
  text-decoration: none;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

svg {
  display: block;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  color: white;
  border-radius: 999px;
  background: var(--green-dark);
  transform: translateY(-150%);
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.container {
  width: min(calc(100% - 40px), var(--max-width));
  margin-inline: auto;
}

.section-pad {
  padding: 108px 0;
}

.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  right: 0;
  left: 0;
  padding: 14px 0;
  transition: padding 220ms ease, background 220ms ease, box-shadow 220ms ease;
}

.site-header.is-scrolled {
  padding: 8px 0;
  border-bottom: 1px solid rgba(23, 32, 29, 0.08);
  background: rgba(247, 245, 239, 0.88);
  box-shadow: 0 8px 30px rgba(23, 32, 29, 0.04);
  backdrop-filter: blur(18px);
}

.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(calc(100% - 40px), 1280px);
  margin-inline: auto;
}

.brand {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  color: var(--paper);
  border-radius: 50% 50% 48% 52% / 55% 45% 55% 45%;
  background: var(--green-dark);
  place-items: center;
  transform: rotate(-7deg);
}

.brand-mark::first-letter {
  transform: rotate(7deg);
}

.site-nav {
  display: flex;
  gap: 8px;
  align-items: center;
  padding: 5px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 254, 249, 0.7);
  box-shadow: 0 6px 24px rgba(23, 32, 29, 0.05);
  backdrop-filter: blur(14px);
}

.site-nav a {
  padding: 8px 13px;
  color: var(--ink-soft);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  transition: color 180ms ease, background 180ms ease;
}

.site-nav a:hover,
.site-nav a.is-active {
  color: var(--ink);
  background: var(--mint-bright);
}

.menu-toggle {
  display: none;
  width: 43px;
  height: 43px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--white);
}

.menu-toggle span {
  display: block;
  width: 17px;
  height: 1.5px;
  margin: 5px auto;
  background: var(--ink);
  transition: transform 180ms ease;
}

.hero {
  position: relative;
  min-height: 590px;
  padding-top: 154px;
  padding-bottom: 64px;
  overflow: hidden;
}

.hero::after {
  position: absolute;
  z-index: -1;
  right: -80px;
  bottom: 0;
  left: -80px;
  height: 38%;
  content: "";
  background: linear-gradient(to bottom, transparent, rgba(156, 230, 202, 0.22));
  transform: skewY(-3deg);
  transform-origin: bottom right;
}

.hero-orb {
  position: absolute;
  z-index: -1;
  border-radius: 50%;
  filter: blur(4px);
  opacity: 0.66;
}

.hero-orb-one {
  top: 70px;
  right: -130px;
  width: 480px;
  height: 480px;
  background: radial-gradient(circle at 35% 35%, var(--orange-soft), transparent 67%);
}

.hero-orb-two {
  bottom: 80px;
  left: -180px;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle at center, var(--mint), transparent 68%);
}

.hero-content {
  text-align: center;
}

.venue-pill {
  display: inline-flex;
  gap: 9px;
  align-items: center;
  margin-bottom: 28px;
  padding: 8px 14px;
  border: 1px solid rgba(22, 108, 84, 0.25);
  border-radius: 999px;
  color: var(--green);
  background: rgba(185, 244, 220, 0.42);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.venue-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(22, 108, 84, 0.12);
}

.hero h1 {
  max-width: 1040px;
  margin: 0 auto;
  font-size: clamp(3rem, 6.3vw, 6.9rem);
  font-weight: 600;
  line-height: 0.98;
  letter-spacing: -0.072em;
}

.hero h1 span {
  display: block;
}

.hero h1 .title-accent {
  width: fit-content;
  margin: 0 auto 10px;
  padding-right: 0.09em;
  color: var(--green);
  font-size: 1.1em;
  font-weight: 800;
  letter-spacing: -0.09em;
}

.hero-lead {
  max-width: none;
  margin: 30px auto 25px;
  color: var(--ink-soft);
  font-size: clamp(0.76rem, 1.35vw, 1.12rem);
  white-space: nowrap;
}

.authors {
  display: flex;
  flex-wrap: wrap;
  gap: 3px 15px;
  justify-content: center;
  max-width: 900px;
  margin: 0 auto;
  font-size: 16px;
  font-weight: 700;
}

.authors a {
  text-decoration-color: rgba(22, 108, 84, 0.35);
  text-decoration-line: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.authors a:hover {
  color: var(--green);
}

sup {
  color: var(--green);
  font-size: 0.65em;
}

.affiliations {
  display: flex;
  flex-wrap: wrap;
  gap: 3px 16px;
  justify-content: center;
  max-width: 940px;
  margin: 9px auto 0;
  color: var(--ink-soft);
  font-size: 14px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-top: 28px;
}

.paper-figure {
  margin: 0;
}

.figure-link {
  display: block;
  width: 100%;
  background: white;
}

.paper-figure img {
  display: block;
  width: 100%;
  height: auto;
}

.paper-figure figcaption {
  display: flex;
  gap: 24px;
  align-items: baseline;
  justify-content: space-between;
  padding: 15px 4px 0;
  color: var(--ink-soft);
  font-size: 13px;
  text-align: left;
}

.paper-figure figcaption span {
  flex: 0 0 auto;
  color: rgba(79, 92, 87, 0.72);
  font-family: "DM Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.teaser-figure {
  max-width: 1080px;
  margin: 54px auto 0;
}

.teaser-figure .figure-link {
  padding: 12px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
}

.button {
  display: inline-flex;
  gap: 9px;
  align-items: center;
  justify-content: center;
  min-width: 124px;
  padding: 12px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 800;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.button svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: white;
  border-color: var(--green-dark);
  background: var(--green-dark);
  box-shadow: 0 10px 26px rgba(13, 57, 47, 0.18);
}

.button-primary:hover {
  background: var(--green);
}

.button-secondary {
  background: rgba(255, 254, 249, 0.78);
  backdrop-filter: blur(10px);
}

.button-secondary:hover {
  box-shadow: 0 8px 25px rgba(23, 32, 29, 0.08);
  background: var(--white);
}

#overview {
  padding-top: 64px;
}

.section-title {
  margin: 0;
  color: var(--ink);
  font-size: clamp(1.6rem, 4vw, 3.5rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.055em;
  white-space: nowrap;
}

.section-title-light {
  color: white;
}

.section-tagline {
  margin: 14px 0 0;
  color: var(--ink-soft);
  font-size: clamp(0.76rem, 1.75vw, 1.45rem);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.025em;
  white-space: nowrap;
}

.section-tagline-light {
  color: var(--mint);
}

.section-tagline em {
  color: var(--green);
  font-family: Georgia, serif;
  font-weight: 400;
}

.section-intro {
  margin: 28px 0 0;
  color: var(--ink-soft);
  font-size: clamp(1.08rem, 2vw, 1.45rem);
  line-height: 1.65;
}

.feature-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr 1fr;
  gap: 16px;
  margin-top: 64px;
}

.feature-card {
  min-height: 300px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--white);
}

.feature-card h3 {
  margin: 104px 0 12px;
  font-size: 24px;
  line-height: 1.1;
  letter-spacing: -0.04em;
}

.feature-card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
}

.feature-index {
  color: var(--green);
  font-family: "DM Mono", monospace;
  font-size: 12px;
}

.feature-dark {
  color: white;
  border-color: var(--green-dark);
  background: var(--green-dark);
  box-shadow: var(--shadow);
}

.feature-dark .feature-index {
  color: var(--mint);
}

.feature-dark p {
  color: rgba(255, 255, 255, 0.62);
}

.feature-warm {
  background: var(--orange-soft);
}

.method-section {
  position: relative;
  color: white;
  background: #17201d;
  overflow: hidden;
}

.method-section::before {
  position: absolute;
  top: -300px;
  right: -240px;
  width: 620px;
  height: 620px;
  content: "";
  border: 1px solid rgba(156, 230, 202, 0.12);
  border-radius: 50%;
  box-shadow: 0 0 0 80px rgba(156, 230, 202, 0.025), 0 0 0 160px rgba(156, 230, 202, 0.02);
}

.method-figure {
  position: relative;
  z-index: 1;
}

.method-figure .figure-viewport,
.results-figure .figure-viewport {
  overflow-x: auto;
  border-radius: var(--radius-md);
  scrollbar-color: var(--mint) rgba(255, 255, 255, 0.08);
  scrollbar-width: thin;
}

.method-figure .figure-link {
  padding: 14px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
}

.method-figure figcaption,
.results-figure figcaption {
  color: rgba(255, 255, 255, 0.66);
}

.method-figure figcaption span,
.results-figure figcaption span {
  color: rgba(255, 255, 255, 0.42);
}

.section-heading {
  margin-bottom: 48px;
}

.split-heading {
  display: grid;
  grid-template-columns: 1.6fr 0.7fr;
  gap: 60px;
  align-items: end;
}

.split-heading > p {
  margin: 0 0 5px;
  color: rgba(255, 255, 255, 0.58);
  font-size: 16px;
}

.benchmark-line {
  display: flex;
  gap: 24px;
  align-items: center;
  justify-content: space-between;
  margin-top: 28px;
  padding: 20px 4px 0;
  color: rgba(255, 255, 255, 0.44);
  font-family: "DM Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.benchmark-line div {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.benchmark-line b {
  padding: 7px 12px;
  color: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 999px;
  font-weight: 500;
}

.quantitative-section {
  background: var(--paper-deep);
}

.results-heading > p {
  color: var(--ink-soft);
}

.result-highlights {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.result-highlights article {
  display: flex;
  min-height: 130px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(255, 254, 249, 0.68);
  flex-direction: column;
  justify-content: space-between;
}

.result-highlights article:first-child {
  color: white;
  border-color: var(--green-dark);
  background: var(--green-dark);
}

.result-highlights strong {
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  line-height: 1;
  letter-spacing: -0.055em;
}

.result-highlights span {
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 700;
}

.result-highlights article:first-child span {
  color: var(--mint);
}

.bar-chart-card {
  margin: 0;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--white);
  box-shadow: var(--shadow);
}

.inference-chart-card {
  margin-top: 20px;
}

.chart-header {
  display: flex;
  gap: 30px;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 30px;
}

.chart-eyebrow,
.chart-group-label {
  color: var(--green);
  font-family: "DM Mono", monospace;
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.chart-header h3 {
  margin: 5px 0 0;
  font-size: clamp(1.35rem, 2.4vw, 2rem);
  letter-spacing: -0.045em;
}

.chart-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  justify-content: flex-end;
  color: var(--ink-soft);
  font-size: 10px;
  font-weight: 700;
}

.chart-legend span {
  display: inline-flex;
  gap: 6px;
  align-items: center;
}

.chart-direction {
  padding: 7px 11px;
  color: var(--green);
  border: 1px solid rgba(22, 108, 84, 0.2);
  border-radius: 999px;
  background: rgba(185, 244, 220, 0.42);
  font-family: "DM Mono", monospace;
  font-size: 9px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.chart-legend i {
  width: 9px;
  height: 9px;
  border-radius: 3px;
}

.legend-model,
.model-bar {
  background: #9fb8af;
}

.legend-reference,
.reference-bar {
  background: var(--orange-soft);
}

.legend-ours,
.ours-bar {
  background: var(--green-dark);
}

.chart-scale,
.chart-row {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 14px;
}

.chart-scale {
  margin-bottom: 10px;
}

.chart-scale div {
  display: flex;
  justify-content: space-between;
  color: rgba(79, 92, 87, 0.62);
  font-family: "DM Mono", monospace;
  font-size: 8px;
}

.chart-scale b {
  font-weight: 400;
}

.chart-group + .chart-group {
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.inference-bars {
  margin-top: 0;
}

.chart-group-label {
  margin: 0 0 10px 134px;
}

.chart-row {
  align-items: center;
  margin-top: 7px;
}

.chart-method {
  overflow: hidden;
  font-size: 11px;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chart-method small {
  margin-left: 5px;
  padding: 3px 7px;
  color: var(--green);
  border-radius: 999px;
  background: var(--mint-bright);
  font-size: 7px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.bar-track {
  height: 30px;
  overflow: hidden;
  border-radius: 7px;
  background-color: rgba(235, 231, 220, 0.48);
  background-image: repeating-linear-gradient(
    to right,
    transparent 0,
    transparent calc(25% - 1px),
    rgba(23, 32, 29, 0.08) calc(25% - 1px),
    rgba(23, 32, 29, 0.08) 25%
  );
}

.chart-bar {
  display: flex;
  height: 100%;
  min-width: 45px;
  padding-right: 10px;
  border-radius: 7px;
  align-items: center;
  justify-content: flex-end;
}

.chart-bar span {
  color: var(--green-dark);
  font-family: "DM Mono", monospace;
  font-size: 9px;
  font-weight: 700;
}

.best-result .chart-bar {
  box-shadow: inset 0 0 0 2px var(--orange);
}

.ours-chart-row .chart-method {
  color: var(--green-dark);
  font-weight: 800;
}

.ours-bar span {
  color: white;
}

.bar-chart-card figcaption {
  display: flex;
  gap: 24px;
  justify-content: space-between;
  margin-top: 25px;
  padding-top: 18px;
  color: var(--ink-soft);
  border-top: 1px solid var(--line);
  font-size: 11px;
}

.bar-chart-card figcaption > span {
  flex: 0 0 auto;
  font-size: 9px;
}

.visualization-section {
  color: white;
  background: var(--green-dark);
}

.results-figure .figure-link {
  padding: 12px;
  border-radius: var(--radius-md);
}

.light-split > p {
  color: rgba(255, 255, 255, 0.6);
}

.citation-section {
  background: var(--paper-deep);
}

.citation-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 44px;
  align-items: start;
}

.citation-grid > div:first-child {
  max-width: 620px;
}

.citation-grid > div:first-child > p:last-child {
  color: var(--ink-soft);
}

.bibtex-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: var(--white);
  box-shadow: var(--shadow);
}

.bibtex-card pre {
  margin: 0;
  padding: 70px 30px 30px;
  overflow-x: auto;
  color: #34403b;
  font-family: "DM Mono", monospace;
  font-size: 11px;
  line-height: 1.75;
}

.copy-button {
  position: absolute;
  z-index: 1;
  top: 16px;
  right: 16px;
  padding: 8px 12px;
  color: var(--green);
  border: 1px solid rgba(22, 108, 84, 0.2);
  border-radius: 999px;
  background: rgba(185, 244, 220, 0.42);
  font: 700 11px "Manrope", sans-serif;
  cursor: pointer;
}

.copy-button:hover {
  background: var(--mint-bright);
}

.site-footer {
  padding: 44px 0;
  color: rgba(255, 255, 255, 0.7);
  background: #101614;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: end;
}

.footer-brand {
  color: white;
}

.footer-brand .brand-mark {
  color: var(--green-dark);
  background: var(--mint);
}

.footer-grid p {
  margin: 14px 0 0;
  font-size: 12px;
}

.footer-credit {
  max-width: 520px;
  justify-self: end;
  text-align: right;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 700ms cubic-bezier(0.22, 1, 0.36, 1), transform 700ms cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 960px) {
  .section-pad { padding: 84px 0; }
  .site-nav { display: none; }
  .site-nav.is-open {
    position: absolute;
    top: 60px;
    right: 20px;
    display: grid;
    width: min(270px, calc(100vw - 40px));
    padding: 10px;
    border-radius: 20px;
    background: rgba(255, 254, 249, 0.97);
  }
  .site-nav a { padding: 11px 14px; }
  .menu-toggle { display: block; }
  .menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.25px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.25px) rotate(-45deg); }
  .hero { min-height: auto; padding-top: 130px; }
  .hero h1 { max-width: 820px; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card { min-height: 230px; }
  .feature-card h3 { margin-top: 65px; }
  .split-heading { grid-template-columns: 1fr; gap: 24px; }
  .result-highlights { grid-template-columns: 1fr 1fr; }
  .citation-grid { grid-template-columns: 1fr; gap: 45px; }
}

@media (min-width: 1100px) {
  .hero h1 {
    max-width: 1280px;
    font-size: clamp(2rem, 2.6vw, 2.5rem);
    line-height: 1.1;
    letter-spacing: -0.055em;
    white-space: nowrap;
  }

  .hero h1 span {
    display: inline;
  }

  .hero h1 .title-accent {
    display: inline;
    margin: 0 0.12em 0 0;
    font-size: 1em;
    letter-spacing: -0.065em;
  }
}

@media (max-width: 680px) {
  .container,
  .nav-shell { width: min(calc(100% - 28px), var(--max-width)); }
  .section-pad { padding: 72px 0; }
  .hero { padding-top: 116px; padding-bottom: 78px; }
  .hero h1 { font-size: clamp(2.65rem, 13vw, 4.8rem); }
  .hero h1 span:last-child { font-size: 0.73em; line-height: 1.06; letter-spacing: -0.055em; }
  .hero-lead { margin-top: 24px; white-space: normal; }
  .authors { gap: 4px 11px; font-size: 14px; }
  .affiliations { display: grid; gap: 3px; font-size: 13px; }
  h2 { font-size: clamp(2.25rem, 11vw, 3.6rem); }
  .feature-grid { margin-top: 42px; }
  .teaser-figure { margin-top: 42px; }
  .paper-figure figcaption { gap: 3px; align-items: flex-start; flex-direction: column; }
  .method-figure .figure-link,
  .results-figure .figure-link { width: 780px; }
  .result-highlights { grid-template-columns: 1fr; }
  .result-highlights article { min-height: 112px; }
  .bar-chart-card { padding: 22px 16px; }
  .chart-header { align-items: flex-start; flex-direction: column; }
  .chart-legend { justify-content: flex-start; }
  .chart-scale,
  .chart-row { grid-template-columns: 82px minmax(0, 1fr); gap: 9px; }
  .chart-group-label { margin-left: 91px; }
  .bar-chart-card figcaption { gap: 8px; flex-direction: column; }
  .benchmark-line { align-items: flex-start; flex-direction: column; }
  .bibtex-card pre { padding: 70px 18px 24px; font-size: 10px; }
  .footer-grid { grid-template-columns: 1fr; gap: 25px; }
  .footer-credit { justify-self: start; text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
  .reveal { opacity: 1; transform: none; }
}