#pmcc-timeLine {
  position: relative;
  overflow: hidden; /* contain floats */
  padding-top: 50px;
  padding-bottom: 50px;
}

/* Vertical line in the middle */
#divider {
  position: absolute;
  top: 2%;
  left: 50%;
  width: 2px;
  background-color: #3c3c3c;
  height: 0;
  transition: height 1.5s linear;
  z-index: 1; /* default line behind */
}

.timeSegment {
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.9s ease, transform 0.9s ease;
  margin-bottom: 50px;
  clear: both;
}

.timeSegment.visible {
  opacity: 1;
  transform: translateY(0);
}

.yearHeader {
  text-align: center; /* keep content centered */
  margin: 20px 0; /* smaller vertical spacing */
  position: relative;
  z-index: 2; /* stay above the divider */
}

.yearLabel {
  display: inline-block; /* shrink background to text */
  font-size: 16px;
  font-weight: 500;
  background-color: #1a1a1a; /* background for readability */
  padding: 10px 8px; /* spacing around text */
  border-radius: 4px;
  position: relative; /* needed for z-index */
  z-index: 2;
  min-width: 10%;
}

@media (max-width: 767px) {
  #divider {
    left: 0;
  }
  /* .col-sm-6 {
    width: 100%;
    float: none;
    margin-bottom: 20px;
  } */
  #pmcc-timeLine {
    padding-left: 10px;
  }
  .yearHeader {
    text-align: left;
    margin-left: -18px;
  }
}