.timeline {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  position: relative;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 20px;
  left: 0;
  right: 0;
  height: 2px;
  background: #ddd;
}

.timeline-item {
  width: 22%;
  text-align: center;
  position: relative;
}

.timeline-year {
  background: #0a2540;
  color: #fff;
  padding: 10px;
  border-radius: 50%;
  width: 60px;
  height: 60px;
  margin: auto;
  line-height: 40px;
  font-weight: bold;
  margin-bottom: 10px;
}

.section-space {
  padding: 40px 0; /* was 60px → reduce */
}

@media (max-width: 768px) {
  .section-space {
    padding: 30px 0;
  }
}
section {
  scroll-margin-top: 90px; /* adjust based on header height */
}