/* Timeline Styles */
.timeline-container {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
  padding: 40px 20px;
}

/* Central timeline line */
.timeline-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, 
    var(--red) 0%, 
    var(--red) 95%, 
    transparent 100%);
  border-radius: 2px;
}

.timeline-item {
  position: relative;
  margin: 60px 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Timeline date in the center */
.timeline-date {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--red);
  color: var(--text-primary);
  padding: 8px 16px;
  border-radius: 20px;
  font-size: var(--fz-sm);
  font-weight: 600;
  white-space: nowrap;
  z-index: 2;
  box-shadow: 0 4px 12px rgba(255, 51, 51, 0.3);
}

/* Hide empty timeline dates */
.timeline-date:empty {
  display: none;
}

/* Timeline content containers */
.timeline-content {
  width: 45%;
  padding: 30px;
  background-color: var(--bg-secondary);
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
  transition: var(--transition);
  position: relative;
}

.timeline-content:hover {
  background-color: var(--bg-tertiary);
  border-color: var(--red);
  transform: translateY(-5px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

/* Left and right positioning */
.timeline-content.left {
  margin-right: auto;
  text-align: right;
}

.timeline-content.right {
  margin-left: auto;
  text-align: left;
}

/* Arrow pointing to timeline */
.timeline-content::before {
  content: '';
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border: 15px solid transparent;
}

.timeline-content.left::before {
  right: -30px;
  border-left-color: var(--bg-secondary);
  transition: var(--transition);
}

.timeline-content.right::before {
  left: -30px;
  border-right-color: var(--bg-secondary);
  transition: var(--transition);
}

.timeline-content.left:hover::before {
  border-left-color: var(--bg-tertiary);
}

.timeline-content.right:hover::before {
  border-right-color: var(--bg-tertiary);
}

/* Timeline images */
.timeline-image {
  margin-bottom: 20px;
  border-radius: var(--border-radius);
  overflow: hidden;
  transition: var(--transition);
}

.timeline-image img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: var(--transition);
}

.timeline-content:hover .timeline-image img {
  transform: scale(1.05);
}

/* Timeline content text */
.timeline-content h3 {
  font-size: var(--fz-xl);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 15px;
  line-height: 1.2;
}

.timeline-content p {
  font-size: var(--fz-md);
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

/* Special styling for start and current items */
.timeline-start .timeline-date {
  background: linear-gradient(135deg, var(--red), #ff6666);
  animation: pulse 2s infinite;
}

.timeline-current .timeline-date {
  background: linear-gradient(135deg, var(--red), #ff3333);
  animation: glow 3s ease-in-out infinite alternate;
}

@keyframes pulse {
  0%, 100% { transform: translateX(-50%) scale(1); }
  50% { transform: translateX(-50%) scale(1.1); }
}

@keyframes pulse-mobile {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

@keyframes glow {
  0% { box-shadow: 0 4px 12px rgba(255, 51, 51, 0.3); }
  100% { box-shadow: 0 8px 25px rgba(255, 51, 51, 0.6); }
}

/* Responsive Design */
@media (max-width: 768px) {
  .timeline-container::before {
    left: 30px;
    transform: none;
  }
  
  .timeline-item {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .timeline-date {
    position: static;
    transform: none !important;
    margin-bottom: 20px;
    align-self: flex-start;
    margin-left: 10px;
  }
  
  .timeline-content {
    width: calc(100% - 60px);
    margin-left: 60px !important;
    margin-right: 0 !important;
    text-align: left !important;
  }
  
  .timeline-content::before {
    display: none;
  }
  
  .timeline-content.left,
  .timeline-content.right {
    text-align: left;
    margin-left: 60px !important;
    margin-right: 0 !important;
  }
  
  /* Fix animations for mobile */
  .timeline-start .timeline-date {
    animation: pulse-mobile 2s infinite;
  }
}

@media (max-width: 480px) {
  .timeline-container {
    padding: 20px 10px;
  }
  
  .timeline-container::before {
    left: 20px;
  }
  
  .timeline-date {
    margin-left: 0px;
  }
  
  .timeline-content {
    width: calc(100% - 40px);
    padding: 20px;
    margin-left: 40px !important;
    margin-right: 0 !important;
  }
  
  .timeline-content.left,
  .timeline-content.right {
    margin-left: 40px !important;
    margin-right: 0 !important;
  }
  
  .timeline-image img {
    height: 150px;
  }
  
  .timeline-content h3 {
    font-size: var(--fz-lg);
  }
  
  .timeline-content p {
    font-size: var(--fz-sm);
  }
}