/* OSU Scarlet & Gray */
:root {
  --osu-scarlet: #bb0000;
  --osu-gray: #666666;
}

/* Highlight active sidebar item */
.sidebar .nav-link.active {
  background-color: var(--osu-scarlet) !important;
  color: white !important;
}

/* Navbar branding color */
.navbar {
  background-color: var(--osu-scarlet) !important;
}

/* Landing-page section cards — subtle hover lift + scarlet accent */
.card {
  border-top: 3px solid var(--osu-scarlet);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12) !important;
}
.card h4 i {
  color: var(--osu-scarlet);
}
.card ul {
  padding-left: 1.2rem;
  margin-bottom: 0;
}
.card li {
  margin-bottom: 0.4rem;
  line-height: 1.4;
}

/* Colab badge styling */
.colab-badge {
  margin-bottom: 1rem;
}
.colab-badge img {
  height: 1.4rem;
}