/* overall stack of years */
.teaching {
  display: flex;
  flex-direction: column;
  gap: 2.8rem;
}

/* each year block */
.year-block {
  display: grid;
  grid-template-columns: 90px 1fr;
  column-gap: 1.5rem;
}

/* big year label */
.year-label {
  font-size: 2rem;
  font-weight: 800;
  text-align: right;
  padding-right: 1rem;
}

/* timeline column */
.year-content {
  display: grid;
  grid-template-columns: 55px 1fr;
  column-gap: 1.7rem;   /* ← space between term and course */
  row-gap: 1.6rem;
  border-left: 3px solid #e6e6e6;
  padding-left: 1.1rem; /* ← pushes course away from line */
}



/* semester label */
.term {
  text-align: keft;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: #777;
  padding-top: .25rem;
}

/* course content */
.course h4 {
  margin: 0;
  font-size: 1.15rem;
}

.meta {
  color: #666;
  font-style: italic;
  margin-bottom: .3rem;
}

.course ul {
  margin-top: .25rem;
}

.course-text {
  display: -webkit-box;
  -webkit-line-clamp: 2;   /* number of lines to show in preview */
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-top: .3rem;
  transition: max-height 0.3s ease;
  position: relative;
}

/* separate read-more button below text */
.course-text + .read-more {
  display: inline-block;
  margin-top: .2rem;
  color: #4C78A8;
  font-weight: 500;
  cursor: pointer;
  font-size: 0.9rem;
}

/* expanded state */
.course-text.expanded {
  -webkit-line-clamp: unset;
  display: block;
}