:root {
  --text: #333;
  --muted: #666;
  --line: #e6e6e6;
  --soft: #f5f5f5;
  --button: #333;
  --button-hover: #111;
  --max-width: 960px;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100%;
  margin: 0;
  padding: 32px;
  background: #fff;
  color: var(--text);
  font-family: "Open Sans", Arial, sans-serif;
  font-size: 12px;
  line-height: 20px;
}

a {
  color: var(--text);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

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

.hero {
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
}

.subtitle-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  column-gap: 10px;
  row-gap: 0;
  margin-top: 0;
}

.subtitle-row h1,
.subtitle-row h2 {
  margin: 0;
  color: var(--text);
  font-weight: 500;
  text-align: center;
}

.subtitle-row h1 {
  flex-basis: 100%;
  font-size: 30px;
  line-height: 42px;
}

.subtitle-row h2 {
  font-size: 25px;
  line-height: 36px;
}

.authors {
  margin-top: 14px;
}

.authors p,
.affiliation,
.venue,
.expanded-name {
  margin: 0;
  color: var(--text);
  font-size: 16px;
  line-height: 24px;
}

.authors p + p {
  margin-top: 4px;
}

.authors a,
.authors strong {
  margin: 0 7px;
  white-space: nowrap;
}

.authors strong {
  font-weight: 400;
}

.affiliation {
  margin-top: 12px;
}

.venue {
  margin-top: 2px;
  color: var(--muted);
  font-size: 14px;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 20px;
}

.action-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  padding: 9px 16px;
  border-radius: 4px;
  background: var(--button);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  line-height: 18px;
  text-decoration: none;
  transition: background-color 160ms ease, transform 160ms ease;
}

.action-button:focus-visible,
.action-button:hover {
  background: var(--button-hover);
  transform: translateY(-1px);
}

.action-button i {
  font-size: 18px;
  line-height: 1;
}

.section {
  max-width: var(--max-width);
  margin: 24px auto 0;
}

.expanded-name {
  text-align: center;
}

.tldr {
  margin: 0 0 20px;
  color: var(--text);
  font-size: 18px;
  font-weight: 500;
  line-height: 26px;
}

.code-font {
  font-family: "Courier New", Courier, monospace;
  font-size: calc(1em + 2px);
}

.paragraph {
  margin: 0;
  color: var(--text);
  font-size: 16px;
  font-weight: 400;
  line-height: 24px;
  text-align: left;
}

.media-frame {
  position: relative;
  width: 100%;
  margin-bottom: 20px;
  overflow: hidden;
  border-radius: 15px;
  background: var(--soft);
  aspect-ratio: 16 / 9;
}

.media-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.wide-figure,
.split-section figure {
  overflow: hidden;
  border-radius: 15px;
  background: var(--soft);
}

.section-title {
  margin: 0 0 12px;
  color: var(--text);
  font-size: 24px;
  font-weight: 600;
  line-height: 32px;
  text-align: center;
}

.section-note {
  max-width: 780px;
  margin: -2px auto 18px;
  color: var(--muted);
  font-size: 15px;
  line-height: 23px;
  text-align: center;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  padding-top: 4px;
}

.feature-grid article {
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.feature-grid h3 {
  margin: 0 0 8px;
  color: var(--text);
  font-size: 16px;
  font-weight: 700;
  line-height: 22px;
}

.feature-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 21px;
}

.design-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px 18px;
}

.design-grid article {
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.design-grid h3 {
  margin: 0 0 7px;
  color: var(--text);
  font-size: 16px;
  font-weight: 700;
  line-height: 22px;
}

.design-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 21px;
}

.figure-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: stretch;
  gap: 16px;
}

.figure-grid figure {
  overflow: hidden;
  border-radius: 10px;
  background: var(--soft);
}

.figure-grid img {
  width: 100%;
  height: 260px;
  object-fit: cover;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 1.1fr);
  align-items: center;
  gap: 28px;
}

.split-section .section-title {
  text-align: left;
}

figure {
  margin: 0;
}

figcaption {
  padding: 9px 12px 11px;
  color: var(--muted);
  font-size: 13px;
  line-height: 18px;
  text-align: center;
}

figcaption strong {
  display: block;
  color: var(--text);
  font-weight: 700;
}

figcaption span {
  display: block;
  max-width: 680px;
  margin: 3px auto 0;
}

.wide-figure + .wide-figure {
  margin-top: 20px;
}

.package-table {
  width: 100%;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 10px;
  border-spacing: 0;
  background: #fff;
}

.package-table caption {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.package-table tr + tr th,
.package-table tr + tr td {
  border-top: 1px solid var(--line);
}

.package-table th,
.package-table td {
  padding: 12px 14px;
  font-size: 15px;
  line-height: 22px;
  text-align: left;
  vertical-align: top;
}

.package-table th {
  width: 210px;
  background: var(--soft);
  font-weight: 700;
}

.citation {
  overflow: hidden;
  border-radius: 10px;
  background: #eaeaea;
}

.citation pre {
  margin: 0;
  padding: 16px 18px;
  overflow-x: auto;
  color: var(--text);
  font-family: "Courier New", Courier, monospace;
  font-size: 14px;
  line-height: 20px;
  white-space: pre-wrap;
  word-break: break-word;
}

.footer {
  margin-top: 40px;
  padding-bottom: 10px;
  color: var(--muted);
  text-align: center;
}

.footer p {
  margin: 0;
  font-size: 13px;
  line-height: 20px;
}

.footer p + p {
  margin-top: 8px;
}

@media (max-width: 800px) {
  body {
    padding: 24px 18px;
  }

  .subtitle-row h1,
  .subtitle-row h2 {
    font-size: 22px;
    line-height: 34px;
  }

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

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

  .split-section {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  body {
    padding: 20px 14px;
  }

  .subtitle-row h1,
  .subtitle-row h2 {
    width: 100%;
    font-size: 18px;
    line-height: 28px;
  }

  .authors a,
  .authors strong {
    display: inline-block;
    margin: 2px 5px;
  }

  .button-row {
    gap: 8px;
  }

  .action-button {
    padding: 8px 12px;
  }

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

  .design-grid,
  .figure-grid {
    grid-template-columns: 1fr;
  }

  .figure-grid img {
    height: auto;
  }

  .package-table,
  .package-table tbody,
  .package-table tr,
  .package-table th,
  .package-table td {
    display: block;
    width: 100%;
  }

  .package-table td {
    border-top: 1px solid var(--line);
  }

  .section-title {
    font-size: 22px;
    line-height: 30px;
  }
}