#timeline .timeline-scroll-panel,
#timeline .youtube-player-container {
  background: var(--color-bg);
}

#timeline .timeline-scroll-panel {
  line-height: 1.5;
  -ms-overflow-style: none;
  scrollbar-width: none;
  display: grid;
  grid-template-columns: 116px 1fr;
  column-gap: 8px;
  align-items: start;
}

#timeline .timeline-scroll-panel::-webkit-scrollbar {
  width: 0;
  height: 0;
}

#timeline .timeline__section {
  margin: 0 auto;
  padding: 0 6% 0 0;
  width: 100%;
}

#timeline .timeline__section > :last-child {
  margin-bottom: 0;
}

#timeline .timeline__section .timeline-events {
  text-align: left;
  margin: 0 0 1rem;
  padding-left: 0;
  list-style: none;
}

#timeline .timeline__section .timeline-events li + li {
  margin-top: 0.5rem;
}

#timeline .timeline__section .timeline-events li {
  position: relative;
  padding-left: 3.2rem;
}

#timeline .timeline__section .timeline-events li::before {
  content: attr(data-date);
  position: absolute;
  left: 0;
  top: 0;
  font-weight: 700;
}

#timeline .timeline__section .timeline-events .youtube-link {
  vertical-align: middle;
  position: relative;
  top: -2px;
}

#timeline .timeline__section a {
  color: #0b57d0;
  text-decoration: underline;
}

#timeline .timeline__section a:hover,
#timeline .timeline__section a:focus {
  color: #0842a0;
}

#timeline .timeline__nav {
  position: sticky;
  z-index: 2;
  top: 0;
  width: 104px;
  padding: 0;
  background: transparent;
  border: 0;
  box-shadow: none;
}

#timeline .timeline__nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

#timeline .timeline__nav ul li {
  margin: 12px 0;
  white-space: nowrap;
  color: #bfc1c3;
  border: 0;
  cursor: pointer;
}

#timeline .timeline__nav ul li:first-child {
  margin-top: 0;
}

#timeline .timeline__nav ul li.active,
#timeline .timeline__nav ul li:hover {
  color: var(--color-primary);
}

#timeline .timeline__nav ul li.active {
  font-weight: bold;
  transform: scale(1.2);
}

@media (max-width: 900px) {
  #timeline .timeline-scroll-panel {
    display: flex;
    flex-direction: column;
    overflow-x: visible;
  }

  #timeline .timeline__nav {
    position: sticky;
    top: 0;
    z-index: 4;
    width: 100%;
    padding: 0;
    background: var(--color-bg);
  }

  #timeline .timeline__nav ul {
    display: flex;
    flex-wrap: nowrap;
    gap: 0.75rem;
    margin: 0;
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: none;
    -ms-overflow-style: none;
    white-space: nowrap;
    padding-bottom: 0.2rem;
    padding-left: 0.25rem;
    padding-right: 0.25rem;
  }

  #timeline .timeline__nav ul::-webkit-scrollbar {
    width: 0;
    height: 0;
  }

  #timeline .timeline__nav ul li {
    margin: 0;
    flex: 0 0 auto;
  }

  #timeline .timeline__nav ul li.active {
    transform: none;
  }

  #timeline .timeline__section {
    padding: 1rem 0 0;
  }
}