.hr {
  width: 100%;
  height: 1px;
  margin: 48px 0;
  background-color: #d6dbdf;
}

.is-3-c {
  font-size: 2.2rem !important;
}

.container.is-max-desktop.head {
  max-width: 95%;
}

.button.is-rounded:hover {
  transform: scale(1.02);
  background-color: #4a6cf7;
}

.hero-body {
  padding-top: 0.6rem !important;
}

/* Method figure frame */
.method-figure-frame {
  display: inline-block;
  margin-bottom: 30px;
}

/* Joint output wrapper for hover overlay */
.joint-output-wrapper {
  display: inline-grid;
  position: relative;
  justify-items: stretch;
  max-width: 100%;
}

.joint-output-wrapper video {
  grid-area: 1 / 1 / 2 / 2;
  width: 100%;
  max-height: 360px;
  height: auto;
  display: block;
}

.joint-output-heatmap {
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s linear;
}

.joint-output-wrapper:hover .joint-output-heatmap {
  opacity: 1;
}

/* Thumbnail scene pills */
.scene-pill {
  cursor: pointer;
  display: inline-flex;
  padding: 2px;
  border-radius: 5px;
  background: #ffffff;
  transition: transform 0.15s ease, box-shadow 0.2s ease;
  margin-right: 30px;
  margin-bottom: 10px;
  box-shadow:
    0 0 0 2px #ffffff,
    0 0 0 3px rgba(0, 0, 0, 0.15);
}

.scene-pill img {
  width: 64px;
  border-radius: 5px;
  pointer-events: none;
}

.scene-pill:hover {
  transform: scale(1.10);
  box-shadow:
    0 0 0 2px #ffffff,
    0 0 0 3px rgba(0, 0, 0, 0.15);
}

.scene-pill.active {
  transform: scale(1.25);
  box-shadow:
    0 0 0 2px #ffffff,
    0 0 0 3px rgba(0, 0, 0, 0.25),
    5px 5px 10px rgba(0, 0, 0, 0.48),
    2px 2px 5px rgba(0, 0, 0, 0.10);
}

.video.demo-video {
  cursor: pointer;
  border-radius: 8px;
  overflow: hidden;
}

/* Hover hint badge */
.hover-hint {
  position: absolute;
  top: 10px;
  left: 10px;
  background: rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(8px);
  color: rgba(0, 0, 0, 0.55);
  font-size: 13px;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.65);
  box-shadow:
    0 2px 6px rgba(0, 0, 0, 0.10),
    0 1px 2px rgba(0, 0, 0, 0.06);
  pointer-events: none;
  opacity: 1;
  transition: opacity 0.25s ease;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  letter-spacing: 0.1px;
  font-style: italic;
}

.joint-output-wrapper:hover .hover-hint {
  opacity: 0;
}

/* Demo block card */
.demo-block {
  background: #ffffff;
  border-radius: 18px;
  padding: 28px 32px;
  margin-top: 0px;
  margin-bottom: 30px;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  box-shadow:
    0 4px 12px rgba(0, 0, 0, 0.16),
    0 1px 3px rgba(0, 0, 0, 0.04);
}

/* Pill rows */
.pill-row {
  display: flex !important;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.pill-row-comparison {
  display: flex !important;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 20px;
  margin-top: 50px;
}

/* Video container column spacing */
.video-container .column {
  padding-left: 3px;
  padding-right: 3px;
}

.demo-hint {
  text-align: center;
  margin-top: 4px;
  margin-bottom: 12px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 14px;
  font-weight: 450;
  font-style: italic;
  letter-spacing: 0.1px;
  color: rgba(0, 0, 0, 0.55);
}

/* Prompt display */
.prompt-display {
  text-align: center;
  margin-top: 8px;
  margin-bottom: 16px;
  font-size: 14px;
  color: #555;
  font-style: italic;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.5;
}

/* twentytwenty overrides for comparison section */
.comparison-container .twentytwenty-overlay:hover {
  background: rgba(0, 0, 0, 0) !important;
}

.comparison-container {
  cursor: pointer;
}

.comparison-container .twentytwenty-handle {
  cursor: ew-resize;
}

.comparison-container .twentytwenty-before-label,
.comparison-container .twentytwenty-after-label {
  opacity: 1 !important;
}

.twentytwenty-horizontal .comparison-container .twentytwenty-before-label:before,
.twentytwenty-horizontal .comparison-container .twentytwenty-after-label:before {
  font-size: 12px !important;
  padding: 4px 12px !important;
  line-height: 20px !important;
}

/* Baseline dropdown */
.baseline-dropdown {
  font-size: 15px;
  padding: 6px 14px;
  border-radius: 8px;
  border: 1.5px solid #ccc;
  background: #fff;
  cursor: pointer;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  appearance: auto;
}

.baseline-dropdown:hover {
  border-color: #4a6cf7;
}

.baseline-dropdown:focus {
  outline: none;
  border-color: #4a6cf7;
  box-shadow: 0 0 0 2px rgba(74, 108, 247, 0.2);
}

/* Vera brand font */
.vera-brand {
  font-family: 'Chakra Petch', sans-serif;
  font-weight: 700;
}

/* Gradient title (STeP-style) */
.gradient-title {
  font-weight: 700;
  background: linear-gradient(107.54deg, #0078d4 .39%, #8661c5 51.23%, #ff9349 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* TL;DR callout card (STeP gradient block style) */
.tldr-card {
  background: linear-gradient(107.54deg, #e6eff7 .39%, #eeebf5 51.23%, #fcf4ee 100%);
  border-radius: 12px;
  padding: 16px 24px;
  margin: 24px auto 0;
  max-width: 860px;
  text-align: justify;
  font-size: 1.05rem;
  font-weight: 500;
  line-height: 1.6;
  color: #3f3f3f;
}

/* Results table */
.results-table {
  font-size: 14px;
  width: 100%;
  border-collapse: collapse;
  margin: 0 auto;
}

.results-table th,
.results-table td {
  padding: 6px 10px;
  text-align: center;
  border-bottom: 1px solid #e8e8e8;
  white-space: nowrap;
}

.results-table th {
  font-weight: 600;
  background: #fafafa;
  border-bottom: 2px solid #ddd;
}

.results-table th.col-group {
  border-bottom: 1px solid #ddd;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #555;
}

.results-table td:first-child {
  text-align: left;
  font-weight: 500;
}

.results-table .group-header td {
  text-align: left;
  font-weight: 600;
  padding-top: 14px;
  padding-bottom: 6px;
  border-bottom: 1.5px solid #ccc;
  background: transparent;
}

.results-table .highlight-row {
  background: rgba(74, 108, 247, 0.08);
}

.results-table .highlight-row td:first-child {
  font-weight: 600;
  color: #4a6cf7;
}

.table-container {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

/* BibTeX block */
.bibtex-wrapper {
  position: relative;
}

.bibtex-wrapper pre {
  background: #f0f4ff;
}

.bibtex-copy-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  background: rgba(0, 0, 0, 0.05);
  border: 1px solid #ddd;
  border-radius: 6px;
  padding: 5px 9px;
  cursor: pointer;
  font-size: 14px;
  color: #555;
  transition: background 0.2s, color 0.2s;
  z-index: 1;
}

.bibtex-copy-btn:hover {
  background: rgba(0, 0, 0, 0.1);
  color: #333;
}

/* Floating TOC (Notion style) */
.floating-toc {
  position: fixed;
  right: 28px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 0;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
  background: #fff;
  border: 1px solid #e8e8e8;
  border-radius: 8px;
  padding: 12px 0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  min-width: 130px;
}

.floating-toc.visible {
  opacity: 1;
  pointer-events: auto;
}

.toc-title {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: #999;
  padding: 0 16px 8px;
  border-bottom: 1px solid #eee;
  margin-bottom: 4px;
}

.floating-toc .toc-item {
  display: block;
  padding: 5px 16px;
  font-size: 13px;
  font-weight: 400;
  color: #777;
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
  line-height: 1.4;
}

.floating-toc .toc-item:hover {
  color: #333;
  background: #f7f7f7;
}

.floating-toc .toc-item.active {
  color: #4a6cf7;
  font-weight: 500;
  border-left-color: #4a6cf7;
  background: rgba(74, 108, 247, 0.04);
}

/* Dataset section: layered data samples grid */
.data-video-container {
  width: 100%;
  max-width: 100%;
  margin-top: 4px;
}

.data-grid-wrapper {
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
  text-align: left;
}

.data-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px 6px;
  align-items: start;
}

.data-grid-header {
  font-size: 13px;
  font-weight: 600;
  color: #4a6cf7;
  text-align: center;
  padding-bottom: 4px;
}

.data-cell {
  text-align: center;
  min-width: 0;
}

.data-cell .data-demo-video {
  width: 100%;
  max-height: 360px;
  height: auto;
  vertical-align: middle;
}

.data-instruction {
  grid-column: 1 / -1;
  font-size: 13px;
  color: #555;
  font-style: italic;
  line-height: 1.4;
  padding: 6px 4px 14px;
  border-bottom: 1px solid #eee;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  text-align: center;
  min-height: 2.8em;
  box-sizing: border-box;
  max-width: 70%;
  margin-left: auto;
  margin-right: auto;
}

.data-instruction:last-of-type {
  border-bottom: none;
}

/* Mobile responsive */
@media only screen and (max-width: 767px) {
  .teaser .content {
    padding-left: 20px;
    padding-right: 20px;
  }

  .container {
    padding-left: 2px;
    padding-right: 2px;
    max-width: 100%;
  }

  .demo-block {
    padding-left: 10px;
    padding-right: 10px;
  }

  .method-figure-frame {
    padding: 2px !important;
    transform: scale(1.1);
    transform-origin: center;
    margin-bottom: 5px !important;
  }

  .method-figure-frame img {
    width: 100% !important;
    display: block;
  }

  .pill-row,
  .pill-row-comparison {
    gap: 12px !important;
  }

  .floating-toc {
    display: none;
  }

  .results-table {
    font-size: 12px;
  }

  .results-table th,
  .results-table td {
    padding: 4px 6px;
  }

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

  .data-grid-header {
    display: none;
  }

  .data-cell::before {
    content: attr(data-label);
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: #4a6cf7;
    margin-bottom: 4px;
  }
}