.company-timeline {
  padding: 4rem 0 2rem;
}

.company-timeline-header {
  max-width: 40rem;
  margin-bottom: 3rem;
}

.timeline-track {
  position: relative;
}

.timeline-progress-bar {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 4px;
  transform: translateX(-50%);
  border-radius: 9999px;
  background-color: #e2e8f0;
}

.timeline-progress-fill {
  width: 100%;
  height: 0;
  border-radius: 9999px;
  background: linear-gradient(180deg, #fbbf24 0%, #f59e0b 100%);
  transition: height 0.15s ease-out;
}

.timeline-items {
  display: flex;
  flex-direction: column;
  gap: 4rem;
}

.timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  gap: 1.5rem;
  align-items: center;
}

.timeline-marker {
  position: relative;
  z-index: 1;
  grid-column: 2;
  width: 1.125rem;
  height: 1.125rem;
  border-radius: 9999px;
  border: 3px solid #fbbf24;
  background-color: #ffffff;
  box-shadow: 0 0 0 4px rgb(251 191 36 / 0.2);
  transition: transform 0.25s ease, background-color 0.25s ease, box-shadow 0.25s ease;
}

.timeline-item.is-active .timeline-marker {
  transform: scale(1.2);
  background-color: #fbbf24;
  box-shadow: 0 0 0 6px rgb(251 191 36 / 0.28);
}

.timeline-card {
  background-color: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 1rem;
  padding: 1.5rem;
  box-shadow: 0 10px 30px rgb(15 23 42 / 0.05);
  transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

.timeline-item.is-active .timeline-card {
  border-color: #fcd34d;
  box-shadow: 0 16px 40px rgb(15 23 42 / 0.08);
  transform: translateY(-2px);
}

.timeline-year {
  display: inline-block;
  margin-bottom: 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #d97706;
}

.timeline-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 0.5rem;
}

.timeline-text {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: #475569;
}

.timeline-item-left .timeline-card {
  grid-column: 1;
  text-align: right;
}

.timeline-item-right .timeline-card {
  grid-column: 3;
  text-align: left;
}

@media (max-width: 767px) {
  .timeline-progress-bar {
    left: 0.5rem;
    transform: none;
  }

  .timeline-item {
    grid-template-columns: auto 1fr;
    gap: 1rem;
    padding-left: 1.75rem;
  }

  .timeline-marker {
    grid-column: 1;
    grid-row: 1;
    align-self: start;
    margin-top: 0.35rem;
  }

  .timeline-item-left .timeline-card,
  .timeline-item-right .timeline-card {
    grid-column: 2;
    grid-row: 1;
    text-align: left;
  }
}

@media (prefers-reduced-motion: reduce) {
  .timeline-progress-fill,
  .timeline-marker,
  .timeline-card {
    transition: none;
  }

  .timeline-item.is-active .timeline-card {
    transform: none;
  }
}