.r-timeline-section { padding: 3.5rem 0; background: var(--color-white); }
.r-timeline { position: relative; padding-left: 2.5rem; }
.r-timeline::before {
  content: ''; position: absolute; left: 0.9375rem; top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--color-primary), var(--color-accent), var(--color-gray-200));
}

.r-timeline-item { position: relative; margin-bottom: 2.5rem; padding-left: 1.5rem; }
.r-timeline-item:last-child { margin-bottom: 0; }

.r-timeline-dot {
  position: absolute; left: -2.5rem; top: 0.25rem;
  width: 1.25rem; height: 1.25rem; border-radius: 50%;
  background: var(--color-primary); border: 3px solid var(--color-bg-body);
  box-shadow: 0 0 0 3px rgba(43,57,144,0.2);
  transition: all 0.4s var(--ease-spring);
}
.r-timeline-item:hover .r-timeline-dot {
  background: var(--color-accent); box-shadow: 0 0 0 6px rgba(245,132,31,0.2); transform: scale(1.2);
}

.r-timeline-card {
  background: var(--color-white); border-radius: var(--radius-lg);
  padding: 1.5rem 2rem; border: 1px solid var(--color-gray-100);
  transition: all 0.4s var(--ease-out);
}
.r-timeline-item:hover .r-timeline-card {
  box-shadow: var(--shadow-md); border-color: rgba(43,57,144,0.15);
}

.r-timeline-year {
  display: inline-block; font-size: 0.75rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--color-accent); background: rgba(245,132,31,0.08);
  padding: 0.25rem 0.75rem; border-radius: var(--radius-full); margin-bottom: 0.5rem;
}
.r-timeline-card h4 { font-size: 1.125rem; font-weight: 700; color: var(--color-gray-900); margin-bottom: 0.375rem; }
.r-timeline-card p  { font-size: 0.9375rem; color: var(--color-gray-600); line-height: 1.6; margin: 0; }

@media (max-width: 767.98px) {
  .r-timeline-section { padding: 1.5rem 0; }
  .r-timeline-card { padding: 1rem; }
  .r-timeline-card h4 { font-size: 0.9375rem; margin-bottom: 0.25rem; }
  .r-timeline-card p { font-size: 0.75rem; line-height: 1.4; }
  .r-timeline-item { margin-bottom: 1.5rem; }
}