/* Timeline Component - Aceternity UI Style */
.timeline-container {
  width: 100%;
  font-family: var(--font-family);
  padding: 0 2.5rem;
  background: var(--color-bg);
  position: relative;
}

.timeline-header {
  max-width: 1280px;
  margin: 0 auto;
  padding: 5rem 1rem 3rem;
  text-align: center;
}

.timeline-title {
  font-size: clamp(1.5rem, 4vw, 3rem);
  margin-bottom: 1rem;
  color: #ffffff;
  font-weight: 600;
  background: linear-gradient(135deg, #ffffff 0%, #ffffff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 0 30px rgba(255, 255, 255, 0.5);
}

.timeline-description {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1rem;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

.timeline-wrapper {
  max-width: 1280px;
  margin: 0 auto;
  position: relative;
  padding: 0 1rem;
}

/* Timeline Line */
.timeline-line {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(
    to bottom,
    transparent 0%,
    #ffffff 10%,
    #ffffff 90%,
    transparent 100%
  );
  transform: translateX(-50%);
  opacity: 0.8;
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
  overflow: hidden;
}

.timeline-line::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    to bottom,
    transparent 0%,
    rgba(255, 255, 255, 0.8) 20%,
    rgba(255, 255, 255, 1) 50%,
    rgba(255, 255, 255, 0.8) 80%,
    transparent 100%
  );
  animation: flowDown 3s ease-in-out infinite;
  opacity: 0.7;
}

@keyframes flowDown {
  0% {
    transform: translateY(-100%);
    opacity: 0;
  }
  10% {
    opacity: 0.7;
  }
  90% {
    opacity: 0.7;
  }
  100% {
    transform: translateY(100%);
    opacity: 0;
  }
}

.timeline-line::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  width: 12px;
  height: 12px;
  background: #ffffff;
  border: 2px solid rgba(0, 0, 0, 0.2);
  border-radius: 50%;
  transform: translateX(-50%);
  box-shadow: 0 0 25px rgba(255, 255, 255, 0.8);
}

/* Timeline Items */
.timeline-item {
  display: flex;
  justify-content: flex-end;
  padding: 2rem 0;
  margin-bottom: 2rem;
  position: relative;
  opacity: 0;
  animation: fadeInUp 0.6s ease forwards;
}

.timeline-item:nth-child(even) {
  justify-content: flex-start;
}

.timeline-item:nth-child(1) { animation-delay: 0.1s; }
.timeline-item:nth-child(2) { animation-delay: 0.2s; }
.timeline-item:nth-child(3) { animation-delay: 0.3s; }
.timeline-item:nth-child(4) { animation-delay: 0.4s; }
.timeline-item:nth-child(5) { animation-delay: 0.5s; }

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Timeline Content Card */
.timeline-content {
  width: calc(50% - 2rem);
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 16px;
  padding: 2rem;
  position: relative;
  transition: all 0.3s ease;
}

.timeline-content:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  border-color: var(--color-accent);
}

/* Timeline Dot */
.timeline-dot {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  background: #ffffff;
  border: 3px solid rgba(0, 0, 0, 0.3);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.8);
  z-index: 4;
  animation: pulse 2s ease-in-out infinite;
}

.timeline-dot::before {
  content: '';
  position: absolute;
  top: -5px;
  left: -5px;
  right: -5px;
  bottom: -5px;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  animation: ripple 2s ease-out infinite;
  z-index: -1;
}

@keyframes pulse {
  0%, 100% {
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.8);
  }
  50% {
    box-shadow: 0 0 30px rgba(255, 255, 255, 1);
  }
}

@keyframes ripple {
  0% {
    transform: scale(0.8);
    opacity: 0.7;
  }
  100% {
    transform: scale(1.5);
    opacity: 0;
  }
}

/* Timeline Arrow */
.timeline-content::before {
  content: '';
  position: absolute;
  top: 50%;
  width: 0;
  height: 0;
  transform: translateY(-50%);
  border: 10px solid transparent;
}

.timeline-item:nth-child(odd) .timeline-content::before {
  left: -20px;
  border-right-color: rgba(255, 255, 255, 0.2);
}

.timeline-item:nth-child(even) .timeline-content::before {
  right: -20px;
  border-left-color: rgba(255, 255, 255, 0.2);
}

/* Collapsible Achievements */
.timeline-achievements-container {
  margin: 1rem 0;
}

.achievements-toggle {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  color: rgba(255, 255, 255, 0.8);
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  transition: all 0.3s ease;
  margin-bottom: 0.75rem;
}

.achievements-toggle:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
  color: #ffffff;
}

.toggle-icon {
  transition: transform 0.3s ease;
  font-size: 0.75rem;
}

.timeline-achievements-container.expanded .toggle-icon {
  transform: rotate(180deg);
}

.timeline-achievements-container.expanded .toggle-text::after {
  content: 'Hide Details';
}

.timeline-achievements-container:not(.expanded) .toggle-text::after {
  content: 'Show Details';
}

.toggle-text {
  font-weight: 500;
}

.toggle-text::after {
  content: 'Show Details';
}

.timeline-achievements.collapsed {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: all 0.4s ease;
}

.timeline-achievements-container.expanded .timeline-achievements.collapsed {
  max-height: 400px;
  opacity: 1;
  margin-top: 0.5rem;
  overflow-y: auto;
  padding-right: 8px;
}

.timeline-achievements-container.expanded .timeline-achievements.collapsed::-webkit-scrollbar {
  width: 4px;
}

.timeline-achievements-container.expanded .timeline-achievements.collapsed::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
}

.timeline-achievements-container.expanded .timeline-achievements.collapsed::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.3);
  border-radius: 2px;
}

.timeline-achievements-container.expanded .timeline-achievements.collapsed::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.5);
}

/* Content Styling */
.timeline-date {
  color: #ffffff;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  font-family: var(--font-mono);
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

.timeline-role {
  color: #ffffff;
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.timeline-company {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1rem;
  margin-bottom: 1rem;
  font-weight: 500;
}

.timeline-location {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
  opacity: 0.8;
}

.timeline-achievements {
  margin-top: 1.5rem;
}

.timeline-achievement {
  display: flex;
  align-items: flex-start;
  margin-bottom: 0.8rem;
  font-size: 0.9rem;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.8);
}

.timeline-achievement::before {
  content: '▸';
  color: #ffffff;
  margin-right: 0.5rem;
  flex-shrink: 0;
  font-weight: bold;
}

.timeline-technologies {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.timeline-tech {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #ffffff;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
}

/* Responsive Design */
@media (max-width: 768px) {
  .timeline-container {
    padding: 0 1rem;
  }
  
  .timeline-line {
    left: 2rem;
  }
  
  .timeline-item {
    justify-content: flex-start !important;
    padding-left: 4rem;
  }
  
  .timeline-content {
    width: calc(100% - 4rem);
  }
  
  .timeline-dot {
    left: 1.25rem !important;
    right: auto !important;
  }
  
  .timeline-content::before {
    left: -20px !important;
    right: auto !important;
    border-right-color: rgba(255, 255, 255, 0.2) !important;
    border-left-color: transparent !important;
  }
  
  /* Mobile-specific collapsible styles */
  .achievements-toggle {
    font-size: 0.8rem;
    padding: 0.4rem 0.6rem;
  }
  
  .timeline-achievements-container.expanded .timeline-achievements.collapsed {
    max-height: 250px;
    overflow-y: auto;
    padding-right: 6px;
  }
  
  .timeline-achievements-container.expanded .timeline-achievements.collapsed::-webkit-scrollbar {
    width: 3px;
  }
}

@media (max-width: 480px) {
  .timeline-header {
    padding: 3rem 1rem 2rem;
  }
  
  .timeline-content {
    padding: 1.5rem;
  }
  
  .timeline-role {
    font-size: 1.1rem;
  }
  
  .timeline-technologies {
    gap: 0.3rem;
  }
  
  .timeline-tech {
    padding: 0.2rem 0.6rem;
    font-size: 0.75rem;
  }
}

/* Scroll animations */
.timeline-item.animate-in {
  animation: slideInTimeline 0.8s ease forwards;
}

@keyframes slideInTimeline {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.timeline-item:nth-child(even).animate-in {
  animation: slideInTimelineRight 0.8s ease forwards;
}

@keyframes slideInTimelineRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}