/* css styles */
/* Additional styles for collapsible sections and interactivity */

/* Smooth transitions for collapsible content */
.collapse {
  transition: height 0.3s ease;
}

/* Collapsible button styling */
details {
  margin: 2rem 0;
  background-color: #f5f5f5;
  border-radius: 4px;
  overflow: hidden;
}

details summary {
  padding: 1rem 1.5rem;
  cursor: pointer;
  font-family: 'Crimson Pro', Georgia, serif;
  font-size: 1.5rem;
  font-weight: 600;
  background-color: #e8e8e8;
  transition: background-color 0.2s ease;
  user-select: none;
}

details summary:hover {
  background-color: #ddd;
}

details[open] summary {
  background-color: #2c3e50;
  color: white;
  margin-bottom: 1rem;
}

details .collapse-content {
  padding: 0 1.5rem 1.5rem 1.5rem;
}

/* Academic icons for social links */
.navbar-nav .nav-link i,
.navbar-nav a i {
  font-size: 1.3rem;
  transition: transform 0.2s ease;
}

.navbar-nav .nav-link:hover i,
.navbar-nav a:hover i {
  transform: scale(1.1);
}

/* Two-column layout for education/appointments */
.two-column-section {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 3rem;
  margin: 2rem 0;
}

@media (max-width: 768px) {
  .two-column-section {
    grid-template-columns: 1fr;
  }
}

/* Improved list styling */
ul.timeline-list {
  list-style: none;
  padding-left: 0;
}

/* Hover effects for cards */
.card-hover {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card-hover:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0,0,0,0.12);
}

/* Icon styling */
.social-icons a {
  margin: 0 0.5rem;
  color: #ddd;
  transition: color 0.2s ease, transform 0.2s ease;
  display: inline-block;
}

.social-icons a:hover {
  color: #fff;
  transform: translateY(-2px);
}

/* Responsive iframe for CV */
.cv-container {
  position: relative;
  width: 100%;
  overflow: hidden;
  padding-top: 141.42%; /* 1000/750 aspect ratio */
  margin-bottom: 1rem;
}

.cv-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 1px solid #ddd;
  border-radius: 4px;
}

@media (max-width: 768px) {
  .cv-container {
    padding-top: 200%;
  }
}

/* Better spacing for content */
main {
  padding-bottom: 3rem;
}