/* Project Timeline Styles */

.project-timeline-wrapper {
  margin-bottom: 6rem;
}

.project-timeline {
  position: relative;
}

.timeline-container {
  position: relative;
  padding: 4rem 0;
}

/* Central Logo */
.timeline-center {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin: 3rem 0;
  z-index: 10;
}

.timeline-logo {
  width: 120px;
  height: 120px;
  object-fit: contain;
  border-radius: var(--radius-lg);
  background: rgba(74, 85, 104, 0.2);
  padding: 1rem;
  border: 1px solid rgba(148, 163, 184, 0.3);
}

.timeline-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

/* Timeline Blocks */
.timeline-blocks {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.timeline-block {
  position: relative;
  display: flex;
  align-items: center;
  gap: 2rem;
}

.timeline-left {
  flex-direction: row-reverse;
}

.timeline-right {
  flex-direction: row;
}

.timeline-card {
  flex: 1;
  background: rgba(74, 85, 104, 0.15);
  border: 1px solid rgba(148, 163, 184, 0.3);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  opacity: 0;
  transform: translateX(0);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out, box-shadow 0.6s ease-out;
  position: relative;
}

.timeline-card::before {
  content: '';
  position: absolute;
  inset: -20px;
  background: radial-gradient(circle, rgba(64, 68, 64, 0.3), transparent 70%);
  border-radius: var(--radius-md);
  opacity: 0;
  filter: blur(20px);
  z-index: -1;
  transition: opacity 0.6s ease-out;
}

.timeline-left .timeline-card {
  margin-right: auto;
  max-width: 45%;
  transform: translateX(-100px);
}

.timeline-right .timeline-card {
  margin-left: auto;
  max-width: 45%;
  transform: translateX(100px);
}

/* Visible state - slide into center */
.timeline-block-visible .timeline-card {
  opacity: 1;
  transform: translateX(0);
  box-shadow: 0 0 30px rgba(34, 197, 94, 0.4), 0 0 60px rgba(34, 197, 94, 0.2);
}

.timeline-block-visible .timeline-card::before {
  opacity: 1;
}

.timeline-left.timeline-block-visible .timeline-card {
  transform: translateX(0);
}

.timeline-right.timeline-block-visible .timeline-card {
  transform: translateX(0);
}

.timeline-right.timeline-block-visible .timeline-card {
  transform: translateX(0);
}

.timeline-card-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 1rem 0;
}

.timeline-card-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.timeline-card-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.5;
}

.timeline-check {
  color: var(--accent-blue);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 0.15rem;
}

/* Timeline Dot and Line */
.timeline-dot {
  position: absolute;
  width: 12px;
  height: 12px;
  background: var(--accent-blue);
  border: 3px solid rgba(15, 15, 22, 0.95);
  border-radius: 50%;
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  opacity: 0;
  transition: opacity 0.3s ease-out;
}

/* Flash effect when block becomes visible */
.timeline-block-visible .timeline-dot {
  opacity: 1;
  animation: dotFlash 0.6s ease-out;
}

@keyframes dotFlash {
  0% {
    transform: translateX(-50%) scale(0.5);
    box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.7);
  }
  50% {
    transform: translateX(-50%) scale(1.5);
    box-shadow: 0 0 20px 10px rgba(59, 130, 246, 0.4);
  }
  100% {
    transform: translateX(-50%) scale(1);
    box-shadow: 0 0 0 0 rgba(59, 130, 246, 0);
  }
}

.timeline-line {
  position: absolute;
  width: 2px;
  height: 100%;
  background: linear-gradient(to bottom, var(--accent-blue), transparent);
  left: 50%;
  transform: translateX(-50%);
  top: 0;
  z-index: 1;
}

/* Footer */
.timeline-footer {
  text-align: center;
  padding-top: 3rem;
  border-top: 1px solid rgba(148, 163, 184, 0.2);
  margin-top: 3rem;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
}

.project-tag {
  display: inline-block;
  padding: 0.4rem 0.9rem;
  background: rgba(74, 85, 104, 0.2);
  border: 1px solid rgba(148, 163, 184, 0.3);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
}

.project-links {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Responsive */
@media (max-width: 768px) {
  .timeline-card {
    max-width: 100% !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
  }

  .timeline-block {
    flex-direction: column;
    gap: 1rem;
  }

  .timeline-logo {
    width: 100px;
    height: 100px;
  }

  .timeline-title {
    font-size: 1.5rem;
  }
}