/* ── Fonts and paper palette ── */
:root {
  --paper-primary: #73A4C6;
  --paper-primary-dark: #4F83A6;
  --paper-green: #86C3A4;
  --paper-green-dark: #3C9673;
  --paper-green-ink: #2D7355;
  --paper-hover-green: #67A6B1;
}

body {
  font-family: 'Noto Sans', sans-serif;
}

/* Allow content to fit narrow layouts. */
.container,
.column,
.method-detail,
.method-detail .content,
.method-detail-heading .title {
  min-width: 0;
}

[id] {
  scroll-margin-top: 1rem;
}

/* ── Publication hero ── */
.publication-title {
  color: var(--paper-primary-dark) !important;
  font-family: 'Google Sans', 'Noto Sans', sans-serif;
  font-size: 2.3rem !important;
  line-height: 1.25 !important;
}

.publication-title-part {
  display: inline-block;
  max-width: 100%;
}

.publication-tagline {
  margin: -0.25rem 0 1rem;
  color: #363636;
  font-family: 'Google Sans', 'Noto Sans', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
}

.publication-authors {
  font-family: 'Google Sans', 'Noto Sans', sans-serif;
}

.publication-authors a {
  color: var(--paper-primary-dark);
}

.publication-authors a:hover,
.publication-authors a:focus {
  color: var(--paper-hover-green);
  text-decoration: underline;
}

.author-block {
  margin-right: 4px;
}

.publication-links .link-block {
  margin: 4px;
}

.publication-links .button {
  min-height: 44px;
}

.publication-links .button.is-dark:hover,
.publication-links .button.is-dark:focus-visible {
  color: #254f49;
  background-color: var(--paper-hover-green);
}

/* ── Teaser ── */
.teaser > .container {
  width: 100%;
}

.teaser .hero-body {
  padding-top: 0;
  padding-bottom: 3rem;
}

.teaser-mobile {
  display: none;
}

/* ── TL;DR ── */
h2.title.tldr-heading,
.section-heading.tldr-heading {
  color: var(--paper-primary) !important;
  text-align: center;
}

.tldr-box {
  padding: 1.5rem 1.75rem;
  background: #eef4f9;
  border-radius: 12px;
  font-size: 1.05rem;
  line-height: 1.7;
}

.tldr-box .tldr-heading {
  margin-bottom: 0.75rem;
}

.tldr-box p {
  margin: 0;
}

.tldr-box strong,
.content strong {
  color: var(--paper-primary-dark);
}

/* ── Section headings ── */
.section-heading {
  margin-bottom: 1.25rem;
  font-family: 'Google Sans', 'Noto Sans', sans-serif;
  font-size: 1.75rem;
  font-weight: 700;
}

/* ── Analysis headline ── */
.analysis-kicker {
  margin-bottom: 0.35rem;
  color: var(--paper-green-ink);
  font-family: 'Google Sans', 'Noto Sans', sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.analysis-tagline {
  margin-bottom: 0 !important;
  color: var(--paper-primary-dark) !important;
}

.analysis-subtitle {
  max-width: 760px;
  margin: 0 0 1.75rem;
  color: #777;
  font-size: 0.9rem;
  line-height: 1.4;
}

/* ── Figure captions ── */
.fig-caption {
  margin-top: 0.75rem;
  margin-bottom: 1em;
  color: #555;
  font-size: 1rem;
  line-height: 1.55;
  text-align: left;
}

.fig-caption strong {
  color: #222;
}

/* ── Key insight box ── */
.insight-box {
  margin: 1.75rem 0 0;
  padding: 1rem 1.25rem;
  background: #eef4f9;
  border: 1px solid #b3cfe0;
  border-radius: 8px;
  font-size: 0.97rem;
  line-height: 1.65;
}

.insight-box strong {
  color: var(--paper-primary-dark);
}

.insight-box .fig-img {
  mix-blend-mode: multiply;
}

.insight-box a,
.paper-link {
  color: var(--paper-primary-dark);
}

.insight-box a:hover,
.insight-box a:focus-visible,
.paper-link:hover,
.paper-link:focus-visible {
  color: var(--paper-hover-green);
  text-decoration: underline;
}

/* ── Method details ── */
.method-detail {
  margin: 1.5rem 0;
  padding: 1.5rem 1.75rem;
  background: #f8f9fa;
  border: 1px solid #dfe5e9;
  border-radius: 12px;
}

.method-detail.featured {
  background: #eef4f9;
  border-color: #b3cfe0;
}

.method-detail-heading {
  display: flex;
  margin-bottom: 0.75rem;
  align-items: center;
  gap: 0.75rem;
}

.method-detail-heading .title {
  margin: 0;
  font-family: 'Google Sans', 'Noto Sans', sans-serif;
}

.method-number {
  display: inline-flex;
  width: 1.8rem;
  height: 1.8rem;
  flex: 0 0 1.8rem;
  align-items: center;
  justify-content: center;
  color: var(--paper-primary);
  background: #fff;
  border: 1px solid #b3cfe0;
  border-radius: 50%;
  font-family: 'Google Sans', 'Noto Sans', sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
}

.method-detail .content p:last-child {
  margin-bottom: 0;
}

.method-equation {
  margin: 1rem 0 1.2rem;
  padding: 0.65rem 1rem;
  background: #fff;
  border: 1px solid #e0e0e0;
  border-radius: 6px;
}

.method-equation .katex-display {
  margin: 0.5rem 0;
}

.method-equation.equation-compact {
  font-size: 0.8rem;
}

@media (max-width: 768px) {
  .method-equation.equation-compact {
    font-size: 0.75rem;
  }
}

.method-equation.emphasized {
  border-color: #b3cfe0;
}

.guarantee-title {
  margin-top: 1.35rem !important;
  margin-bottom: 0.35rem !important;
  color: var(--paper-primary-dark);
  font-weight: 700;
}

.guarantee-equation {
  max-width: 680px;
  margin-right: auto;
  margin-left: auto;
}

/* ── Results ── */
.results-container {
  max-width: 1152px !important;
}

.results-copy a {
  color: var(--paper-primary-dark);
}

.results-copy a:hover,
.results-copy a:focus-visible {
  color: var(--paper-hover-green);
  text-decoration: underline;
}

/* ── Benchmark task videos ── */
.task-gallery {
  max-width: 720px;
  margin: 1rem auto 1.25rem;
}

.task-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 0.5rem;
}

.task-card {
  min-width: 0;
  margin: 0;
}

.task-video {
  display: block;
  width: 100%;
  aspect-ratio: 1;
  background: #eef1f3;
  border: 1px solid #dfe5e9;
  border-radius: 5px;
  object-fit: contain;
  pointer-events: none;
}

@media (max-width: 640px) {
  .task-grid {
    grid-template-columns: repeat(7, 104px);
    padding-bottom: 0.35rem;
    overflow-x: auto;
  }
}

.result-highlight {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 2rem;
  margin-top: 2.25rem;
  padding: 1.5rem 1.75rem;
  align-items: center;
  background: #eef4f9;
  border: 1px solid #b3cfe0;
  border-radius: 10px;
}

.result-highlight p {
  margin: 0;
}

.result-big {
  color: #363636;
  font-family: 'Google Sans', 'Noto Sans', sans-serif;
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.35;
}

.result-big span {
  color: var(--paper-primary-dark);
}

.results-studies {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 2rem;
  row-gap: 0;
  margin-top: 3rem;
}

.result-study .image {
  width: 100%;
  max-width: 420px;
  aspect-ratio: 5 / 3;
  margin-inline: auto;
}

.result-study .image .fig-img {
  height: 100%;
  object-fit: contain;
  background: #fff;
}

.result-study {
  display: grid;
  grid-template-rows: subgrid;
  grid-row: span 3;
  min-width: 0;
  overflow-wrap: anywhere;
}

.result-study .title {
  font-family: 'Google Sans', 'Noto Sans', sans-serif;
  font-size: 1.25rem;
  line-height: 1.35;
}

.result-study .fig-caption {
  margin-bottom: 0;
}

/* ── BibTeX ── */
.bibtex-code {
  padding: 1.25rem 1.5rem;
  color: #cdd6f4;
  background: #1e1e2e;
  border-radius: 6px;
  font-family: 'Courier New', monospace;
  font-size: 0.88rem;
  line-height: 1.65;
  white-space: pre;
  overflow-x: auto;
}

/* ── Grids ── */
.fig-three-col {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1.5rem;
  align-items: stretch;
}

/* Other display equations retain scrolling on small screens. */
.katex-display {
  overflow-x: auto;
  overflow-y: hidden;
  text-align: left;
}

.katex-display > .katex {
  display: inline-block;
  min-width: 100%;
  text-align: center;
}

:focus-visible {
  outline: 2px solid var(--paper-primary-dark);
  outline-offset: 3px;
}

/* ── Separator and alternating background ── */
.section-sep {
  margin: 0;
  border: none;
  border-top: 1px solid #e0e0e0;
}

.has-background-alt {
  background-color: #fafcfb;
}

.footer {
  background-color: #f5f9f7;
}

.footer a:hover,
.footer a:focus-visible {
  color: var(--paper-hover-green);
  text-decoration: underline;
}

/* ── Figure images ── */
.fig-img {
  display: block;
  width: 100%;
  border-radius: 4px;
}

.fig-img.bordered {
  border: 1px solid #dbdbdb;
}

@media (max-width: 768px) {
  .teaser-desktop {
    display: none;
  }

  .teaser-mobile {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 1.5rem;
    width: 90%;
    margin-inline: auto;
  }

  .teaser .hero-body {
    padding-inline: 0;
  }

  .results-studies {
    gap: 1rem;
  }

  .result-study .title {
    font-size: 1rem;
  }

  .fig-three-col {
    grid-template-columns: 1fr;
  }

  .publication-title {
    container-type: inline-size;
    font-size: 2rem !important;
  }

  .publication-title-part {
    display: block;
    /* Fit the longer first line to the title container without splitting either phrase. */
    font-size: min(2.3rem, calc(100cqw / 13.2));
    white-space: nowrap;
  }

  .publication-tagline {
    font-size: 1.2rem;
  }

  .section-heading {
    font-size: 1.4rem;
  }

  .section {
    padding: 2rem 1rem;
  }

  .hero-body {
    padding: 2rem 1rem;
  }

  .method-detail-heading {
    align-items: flex-start;
    gap: 0.6rem;
  }

  .method-detail-heading .title {
    font-size: 1.2rem;
    line-height: 1.35;
  }

  .method-equation {
    padding: 0.5rem 0.65rem;
  }

  .tldr-box,
  .method-detail {
    padding: 1rem 1.1rem;
  }

  .result-highlight {
    grid-template-columns: 1fr;
    gap: 0.75rem;
    padding: 1rem 1.1rem;
  }
}