/* css styles */

.about-link {
  border: none !important;
  font-size: 2rem;
}

.about-link .bi {
  font-size: 2rem;
}

.timeline {
  border-left: 3px solid var(--bs-primary, #375a7f);
  margin-left: 1rem;
  padding-left: 1.5rem;
}

.timeline-item {
  position: relative;
  margin-bottom: 1.5rem;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -1.85rem;
  top: 0.25rem;
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 50%;
  background: var(--bs-primary, #375a7f);
}

.pub-item {
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--bs-border-color, #dee2e6);
}

.pub-item:last-child {
  border-bottom: none;
}

.pub-title {
  font-weight: 600;
}

.pub-authors {
  color: var(--bs-secondary-color, #6c757d);
  font-size: 0.92em;
  margin-top: 0.15rem;
}

.pub-venue {
  font-style: italic;
  font-size: 0.92em;
  margin-top: 0.1rem;
}

.pub-doi {
  font-size: 0.85em;
  margin-top: 0.2rem;
}

.pub-doi a {
  text-decoration: none;
}

.exp-header {
  margin-bottom: 0.6rem;
}

.exp-header h3 {
  margin-bottom: 0.15rem;
  font-size: 1.15rem;
}

.exp-header p {
  color: var(--bs-secondary-color, #6c757d);
  font-style: italic;
  margin-bottom: 0.4rem;
}

.exp-badge {
  display: inline-block;
  background: var(--bs-tertiary-bg, rgba(127, 127, 127, 0.12));
  color: var(--bs-primary, #375a7f);
  font-weight: 600;
  font-size: 0.8rem;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
}

.timeline-item ul {
  margin-top: 0.5rem;
}

.timeline-item li {
  margin-bottom: 0.25rem;
}