.timeline {
  padding: var(--space-6) 0;
  background: var(--color-bg-alt);
}

.timeline__inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--space-3);
}

.timeline__inner h2 {
  font-size: var(--fs-h2);
  max-width: 26ch;
}

.timeline__intro {
  max-width: 60ch;
}

.timeline__list {
  position: relative;
  margin-top: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  list-style: none;
  padding: 0;
}
.timeline__list::before {
  content: "";
  position: absolute;
  left: 20px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--color-border);
}

.timeline__item {
  position: relative;
  width: auto;
  margin: 0;
  padding-left: 56px;
}

.timeline__dot {
  position: absolute;
  left: 20px;
  top: 1.7rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 3px solid var(--color-bg-alt);
  box-shadow: 0 0 0 1px var(--color-border);
  transform: translateX(-50%);
  z-index: 1;
}

.timeline__card {
  position: relative;
  background: var(--color-accent);
  color: var(--color-accent-text);
  border-radius: var(--radius-m);
  padding: var(--space-3) var(--space-4);
  box-shadow: var(--shadow-card);
}
.timeline__card::after {
  content: "";
  position: absolute;
  top: 1.55rem;
  left: -10px;
  border-width: 8px 10px 8px 0;
  border-style: solid;
  border-color: transparent var(--color-accent) transparent transparent;
}

.timeline__year {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--color-accent-tint);
  margin-bottom: var(--space-1);
}

.timeline__card p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.82);
}

/* Markiert Textstellen, die vor Go-live noch mit dem Kunden geklärt werden müssen. */
.timeline__flag {
  color: #ff6b6b;
  font-weight: 600;
}

@media (min-width: 900px) {
  .timeline__list {
    gap: var(--space-5);
  }
  .timeline__list::before {
    left: 50%;
    transform: translateX(-50%);
  }
  .timeline__item {
    width: calc(50% - 44px);
    padding-left: 0;
  }
  .timeline__item:nth-child(odd) {
    margin-right: auto;
    padding-right: 44px;
  }
  .timeline__item:nth-child(even) {
    margin-left: auto;
    padding-left: 44px;
  }
  .timeline__dot {
    left: auto;
    top: 1.7rem;
  }
  .timeline__item:nth-child(odd) .timeline__dot {
    right: -44px;
    left: auto;
    transform: translateX(50%);
  }
  .timeline__item:nth-child(even) .timeline__dot {
    left: -44px;
    transform: translateX(-50%);
  }
  .timeline__item:nth-child(odd) .timeline__card::after {
    left: auto;
    right: -10px;
    border-width: 8px 0 8px 10px;
    border-color: transparent transparent transparent var(--color-accent);
  }
  .timeline__item:nth-child(even) .timeline__card::after {
    left: -10px;
    border-width: 8px 10px 8px 0;
    border-color: transparent var(--color-accent) transparent transparent;
  }
}