:root {
  color-scheme: light;
  --ink: #171717;
  --muted: #666a70;
  --line: #dedede;
  --soft: #f6f6f4;
  --accent: #2c5f93;
  --accent-dark: #1d446b;
  --paper: #ffffff;
  --body-font: "Noto Sans", "Helvetica Neue", Arial, sans-serif;
  --heading-font: Georgia, "Times New Roman", serif;
  --math-font: "STIX Two Math", "Cambria Math", Georgia, serif;
  font-family: var(--body-font);
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-size: 16px;
  line-height: 1.65;
  font-variant-numeric: lining-nums proportional-nums;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--accent);
  text-underline-offset: 3px;
}

img {
  display: block;
  width: 100%;
  max-width: 100%;
}

.page-width {
  width: min(900px, calc(100% - 40px));
  margin-inline: auto;
}

.page-wide {
  width: min(1100px, calc(100% - 40px));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 10;
  top: 8px;
  left: 8px;
  padding: 8px 12px;
  color: #fff;
  background: #111;
  transform: translateY(-150%);
}

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

.paper-header {
  padding-top: clamp(70px, 9vw, 112px);
  text-align: center;
}

.venue {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  text-wrap: balance;
}

h1 {
  margin: 0 auto;
  font-family: var(--heading-font);
  font-size: clamp(35px, 5.2vw, 56px);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.13;
}

.authors {
  margin: 30px 0 0;
  font-size: 17px;
}

.authors a,
.authors span {
  color: var(--accent);
  text-decoration: none;
}

.authors a:hover,
.authors a:focus-visible {
  text-decoration: underline;
}

.authors sup,
.affiliations sup {
  color: var(--muted);
  font-size: 0.7em;
}

.affiliations {
  display: grid;
  gap: 2px;
  margin: 11px auto 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.resource-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 27px;
}

.resource-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-width: 88px;
  padding: 8px 17px;
  border-radius: 999px;
  color: #fff;
  background: #292929;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: background 150ms ease, transform 150ms ease;
}

.button-icon {
  display: inline-grid;
  place-items: center;
  width: 15px;
  color: #dce5ed;
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
}

.code-icon {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 9px;
  letter-spacing: -0.12em;
}

.resource-links a:hover,
.resource-links a:focus-visible {
  background: var(--accent-dark);
  outline: none;
  transform: translateY(-1px);
}

.interactive-project-link {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 15px;
  width: min(560px, 100%);
  margin: 16px auto 0;
  padding: 15px 19px;
  border: 1px solid #173a5b;
  border-radius: 14px;
  color: #fff;
  background: var(--accent-dark);
  box-shadow: 0 7px 20px rgba(29, 68, 107, 0.16);
  text-align: left;
  text-decoration: none;
  transition: background 150ms ease, box-shadow 150ms ease, transform 150ms ease;
}

.interactive-project-icon {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  color: var(--accent-dark);
  background: #fff;
  font-size: 17px;
  line-height: 1;
}

.interactive-project-copy {
  display: grid;
  gap: 2px;
}

.interactive-project-copy strong {
  font-size: 16px;
  line-height: 1.35;
}

.interactive-project-copy small {
  color: #dce8f3;
  font-size: 12px;
  line-height: 1.45;
}

.interactive-project-arrow {
  color: #dce8f3;
  font-size: 18px;
}

.interactive-project-link:hover,
.interactive-project-link:focus-visible {
  color: #fff;
  background: #153653;
  box-shadow: 0 9px 24px rgba(29, 68, 107, 0.23);
  outline: none;
  transform: translateY(-1px);
}

.teaser {
  margin-top: clamp(54px, 7vw, 82px);
}

.teaser img {
  max-height: 610px;
  object-fit: contain;
}

.figure-image-link {
  display: block;
  color: inherit;
  text-decoration: none;
}

.figure-image-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

.lead-caption {
  max-width: 850px;
  margin: 22px auto 0;
  color: #303030;
  font-family: var(--body-font);
  font-size: 17px;
  line-height: 1.7;
  text-align: center;
}

.paper-section {
  padding-top: clamp(76px, 10vw, 116px);
}

.paper-section h2 {
  margin: 0 0 25px;
  font-family: var(--heading-font);
  font-size: clamp(28px, 4vw, 38px);
  font-weight: 500;
  letter-spacing: -0.015em;
  line-height: 1.2;
  text-align: center;
}

.paper-section > p,
.section-intro p,
.method-intro p,
.availability p {
  margin: 0 auto 17px;
  font-family: var(--body-font);
  font-size: 16px;
  line-height: 1.7;
}

.method-intro {
  max-width: 780px;
  margin: 0 auto;
  text-align: center;
}

.method-intro h3 {
  margin: 0 0 14px;
  font-family: var(--heading-font);
  font-size: 23px;
  font-weight: 600;
  line-height: 1.35;
}

.method-intro p {
  max-width: 740px;
}

.method-sequence {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 38px 0 0;
  padding: 0;
  border-block: 1px solid var(--line);
  list-style: none;
}

.method-sequence li {
  display: flex;
  flex-direction: column;
  gap: 7px;
  position: relative;
  min-height: 142px;
  padding: 23px 24px 21px;
}

.method-sequence li:not(:last-child) {
  border-right: 1px solid var(--line);
}

.method-sequence li:not(:last-child)::after {
  position: absolute;
  top: 31px;
  right: -7px;
  z-index: 1;
  padding: 0 2px;
  color: #9eabb6;
  background: var(--paper);
  content: "→";
  font-size: 13px;
}

.method-sequence .step-index {
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.method-sequence strong {
  color: #263746;
  font-family: var(--body-font);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
}

.method-sequence small {
  color: var(--muted);
  font-family: var(--body-font);
  font-size: 14px;
  line-height: 1.55;
}

.method-formulation {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-bottom: 1px solid var(--line);
}

.method-formulation p {
  display: grid;
  gap: 7px;
  margin: 0;
  padding: 18px 24px 20px;
  text-align: center;
}

.method-formulation p:not(:last-child) {
  border-right: 1px solid var(--line);
}

.method-formulation span {
  color: var(--muted);
  font-family: var(--body-font);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.method-formulation code {
  color: #263746;
  font-family: var(--math-font);
  font-size: 15px;
  font-variant-numeric: lining-nums;
  white-space: nowrap;
}

.method-formulation .acceptance-rule {
  background: #f4f8f5;
}

.method-formulation .acceptance-rule span,
.method-formulation .acceptance-rule code {
  color: #356044;
}

.section-intro.inset {
  margin-bottom: 42px;
}

.section-intro p {
  max-width: 820px;
  text-align: center;
}

.figure-grid {
  display: grid;
  gap: 28px;
}

.benchmark-grid {
  grid-template-columns: 0.72fr 1.28fr;
  align-items: stretch;
}

.figure-panel {
  margin: 0;
  padding: 18px;
  border: 1px solid var(--line);
  background: #fff;
}

.figure-panel img {
  height: auto;
  object-fit: contain;
}

.benchmark-grid .figure-panel img {
  height: 410px;
}

.figure-panel figcaption {
  margin-top: 16px;
  color: var(--muted);
  font-family: var(--body-font);
  font-size: 15px;
  line-height: 1.65;
  font-variant-numeric: lining-nums proportional-nums;
}

.figure-panel figcaption strong {
  color: #333;
  font-family: var(--body-font);
  font-weight: 700;
}

.figure-wide {
  margin-top: 28px;
}

.results-stack {
  display: grid;
  gap: 30px;
}

.result-row {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(260px, 0.65fr);
  gap: 32px;
  align-items: center;
}

.result-row.reverse {
  grid-template-columns: minmax(260px, 0.65fr) minmax(0, 1.55fr);
}

.result-row.reverse .result-image {
  order: 2;
}

.result-row.reverse figcaption {
  order: 1;
}

.result-row figcaption {
  margin: 0;
  font-size: 15px;
  line-height: 1.65;
}

.result-row figcaption strong {
  display: block;
  margin: 8px 0 10px;
  font-size: 16px;
  line-height: 1.45;
}

.figure-number {
  color: var(--accent);
  font-family: var(--body-font);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.optimization-grid {
  grid-template-columns: 1fr;
}

.three-dimensional-grid {
  display: grid;
  gap: 28px;
}

.three-dimensional-grid .figure-panel:first-child img {
  aspect-ratio: 4.73 / 1;
}

.availability {
  margin-top: clamp(76px, 10vw, 116px);
  padding: 42px 50px;
  border: 1px solid var(--line);
  background: var(--soft);
}

.availability h2 {
  text-align: left;
}

.availability p {
  font-size: 16px;
}

.text-link {
  font-family: var(--body-font);
  font-size: 14px;
  font-weight: 700;
}

pre {
  overflow-x: auto;
  margin: 0;
  padding: 24px 28px;
  border: 1px solid var(--line);
  background: var(--soft);
  font-size: 13px;
  line-height: 1.55;
  white-space: pre-wrap;
}

.paper-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  margin-top: 100px;
  padding: 30px 0 45px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
}

.paper-footer p {
  margin: 0;
}

@media (max-width: 780px) {
  .page-width,
  .page-wide {
    width: min(100% - 28px, 900px);
  }

  .paper-header {
    padding-top: 56px;
  }

  .authors {
    font-size: 15px;
  }

  .benchmark-grid,
  .result-row,
  .result-row.reverse {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .method-sequence {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .method-formulation {
    grid-template-columns: 1fr;
  }

  .method-sequence li {
    min-height: 0;
    padding: 18px 16px;
  }

  .method-sequence li,
  .method-sequence li:not(:last-child) {
    border-right: 0;
  }

  .method-sequence li:nth-child(odd) {
    border-right: 1px solid var(--line);
  }

  .method-sequence li:nth-child(-n + 2),
  .method-formulation p:not(:last-child) {
    border-bottom: 1px solid var(--line);
  }

  .method-sequence li:not(:last-child)::after {
    content: none;
  }

  .benchmark-grid .figure-panel img {
    height: auto;
    max-height: 520px;
  }

  .result-row.reverse .result-image,
  .result-row.reverse figcaption {
    order: initial;
  }

  .availability {
    padding: 30px 24px;
  }

  .paper-footer {
    display: grid;
  }
}

@media (max-width: 520px) {
  .interactive-project-link {
    gap: 11px;
    padding: 13px 15px;
  }

  .interactive-project-icon {
    width: 34px;
    height: 34px;
  }

  .interactive-project-copy strong {
    font-size: 15px;
  }

  .interactive-project-copy small {
    font-size: 11px;
  }

  .method-intro {
    text-align: left;
  }

  .method-intro h3 {
    font-size: 21px;
  }

  .method-intro p {
    font-size: 16px;
    line-height: 1.65;
  }

  .method-sequence {
    grid-template-columns: 1fr;
    margin-top: 28px;
  }

  .method-sequence li:nth-child(odd) {
    border-right: 0;
  }

  .method-sequence li:nth-child(-n + 3) {
    border-bottom: 1px solid var(--line);
  }

  .method-formulation p {
    padding-inline: 14px;
  }

  .method-formulation code {
    font-size: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .resource-links a,
  .interactive-project-link {
    transition: none;
  }
}