/* src/css/sections/timeline.css */
.timeline-section {
  background: var(--color-bg-dark);
  padding: var(--space-2xl) 0;
}

.timeline-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--space-2xl);
}

.timeline-container {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}

/* Timeline Vertical Line */
.timeline-container::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 20px;
  width: 2px;
  background: rgba(255, 255, 255, 0.1);
}

@media (min-width: 768px) {
  .timeline-container::before {
    left: 50%;
    transform: translateX(-50%);
  }
}

.timeline-item {
  position: relative;
  margin-bottom: var(--space-xl);
  padding-left: 60px;
}

@media (min-width: 768px) {
  .timeline-item {
    padding-left: 0;
    display: flex;
    justify-content: flex-end;
    align-items: center;
  }
  
  .timeline-item:nth-child(even) {
    flex-direction: row-reverse;
  }
  
  .timeline-item:nth-child(odd) .timeline-content {
    text-align: right;
  }
}

.timeline-marker {
  position: absolute;
  left: 10px;
  top: 0;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-bg-dark);
  border: 4px solid var(--color-border);
  z-index: 2;
  transition: all var(--transition-slow) ease;
}

/* Active State Triggered by JS */
.timeline-item.active .timeline-marker {
  border-color: var(--color-primary);
  background: var(--color-primary);
  box-shadow: 0 0 15px var(--color-primary);
}

@media (min-width: 768px) {
  .timeline-marker {
    left: 50%;
    transform: translateX(-50%);
  }
}

.timeline-content {
  background: var(--color-bg-elevated);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  width: 100%;
}

@media (min-width: 768px) {
  .timeline-content {
    width: 45%;
  }
}

.timeline-time {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(0, 112, 243, 0.1);
  color: var(--color-primary);
  border-radius: var(--radius-full);
  font-family: var(--font-family-heading);
  font-weight: 700;
  font-size: 0.875rem;
  margin-bottom: var(--space-sm);
}

.timeline-title {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}

.timeline-desc {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  margin-bottom: 0;
}