:root {
  --ego-ink: #18212f;
  --ego-blue: #1d6fa5;
  --ego-soft: #f4f8fb;
  --ego-line: #dce6ee;
}

html { scroll-behavior: smooth; }
body { color: var(--ego-ink); }

.project-navbar {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid var(--ego-line);
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(8px);
}

.project-navbar .navbar-item { font-weight: 600; }
.project-navbar .navbar-item:hover { color: var(--ego-blue); background: transparent; }
.navbar-logo { margin-right: .5rem; }

.brand-icon {
  display: inline-block;
  width: 1em;
  height: 1em;
  vertical-align: -.12em;
}
.icon-on-dark { filter: invert(1); }
.ui-icon {
  display: block;
  width: 1em;
  height: 1em;
  fill: currentColor;
}

.publication-title { letter-spacing: -.035em; }
.publication-venue { margin: .7rem auto 0; }
.video-body { padding-bottom: 1.25rem; }
.container.video-container {
  width: calc(100% - 2rem);
  max-width: 1120px;
}
.video-frame {
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--ego-line);
  border-radius: 12px;
  background: #000;
  box-shadow: 0 12px 30px rgba(36, 66, 89, .12);
}
.video-frame iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
}
.hero-teaser { padding-top: .25rem; }
.container.teaser-container {
  width: calc(100% - 2rem);
  max-width: 1280px;
}
.hero-teaser img {
  display: block;
  width: 100%;
  border: 1px solid var(--ego-line);
  border-radius: 12px;
  box-shadow: 0 12px 30px rgba(36, 66, 89, .12);
}

.section-heading {
  font-family: 'Google Sans', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -.025em;
  margin-bottom: .7rem;
}

.section-intro { max-width: 840px; margin: 0 auto 2rem; color: #4d5a69; }
.soft-section { background: var(--ego-soft); }
.feature-card, .resource-card {
  height: 100%;
  border: 1px solid var(--ego-line);
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 6px 18px rgba(37, 67, 89, .06);
}
.feature-card .card-content, .resource-card .card-content { padding: 1.5rem; }
.resource-card .card-content {
  display: flex;
  flex-direction: column;
  height: 100%;
}
.resource-title {
  display: flex;
  align-items: center;
  gap: .45rem;
}
.resource-description { flex: 1; }
.resource-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-top: 1rem;
}
.feature-icon {
  color: var(--ego-blue);
  font-size: 1.7rem;
  margin-bottom: .7rem;
}
.figure-panel {
  overflow: hidden;
  border: 1px solid var(--ego-line);
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 8px 24px rgba(37, 67, 89, .08);
}
.figure-panel img { display: block; width: 100%; }
.figure-caption { padding: .8rem 1rem; color: #596575; font-size: .93rem; }
.figure-panel-dataset {
  width: 100%;
  max-width: 1000px;
  margin: 0 auto;
}
.figure-panel-wide {
  width: 100%;
  max-width: 1160px;
  margin-right: auto;
  margin-left: auto;
}
.figure-panel-model {
  width: 100%;
  max-width: 800px;
  margin-right: auto;
  margin-left: auto;
}
.container.results-container {
  width: calc(100% - 2rem);
  max-width: 1400px;
}
.figure-panel-qualitative {
  width: 100%;
  margin-right: auto;
  margin-left: auto;
}
.dataset-summary {
  max-width: 1040px;
  margin: 2rem auto 0;
}
.dataset-note {
  max-width: 860px;
  margin: .75rem auto 0;
  color: #4d5a69;
  text-align: center;
}
.dataset-diversity-panel { margin-top: 2.5rem; }
.stat-number { color: var(--ego-blue); font-size: 2.15rem; font-weight: 700; line-height: 1; }
.stat-label { margin-top: .4rem; color: #596575; }
.citation-box {
  max-width: 900px;
  margin: 0 auto;
  padding: 1.25rem;
  overflow-x: auto;
  border-radius: 10px;
  background: #202936;
  color: #e9eff5;
  text-align: left;
  white-space: pre;
}
.footer { padding: 2.25rem 1.5rem; }

@media screen and (max-width: 1023px) {
  .project-navbar { position: static; }
}