.history-section {
  background: rgba(255, 255, 255, 0.02);
  border-top: 1px solid var(--line);
}

.timeline {
  display: grid;
  gap: 0;
  border-left: 2px solid rgba(45, 212, 191, 0.28);
  margin-left: 0.4rem;
}

.timeline__item {
  position: relative;
  padding: 0 0 var(--space-4) var(--space-3);
}

.timeline__item::before {
  content: "";
  position: absolute;
  left: -0.45rem;
  top: 0.35rem;
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(45, 212, 191, 0.12);
}

.timeline__company {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
}

.timeline__role {
  font-family: var(--font-body);
  font-size: var(--text-md);
  font-weight: 600;
  line-height: var(--leading-snug);
  letter-spacing: 0;
  margin-top: 0.2rem;
}

.timeline__range {
  color: var(--ink-soft);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 400;
  line-height: var(--leading-snug);
  letter-spacing: 0;
  margin: 0.35rem 0 var(--space-2);
}

.timeline__detail {
  color: var(--ink-soft);
  max-width: 46rem;
}

.timeline__focus {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: var(--space-2);
}

.about-section {
  border-top: 1px solid var(--line);
}

.about-summary {
  max-width: 42rem;
}

.about-grid {
  display: grid;
  gap: var(--space-4);
}

.about-block h3 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  line-height: var(--leading-snug);
  letter-spacing: var(--tracking-tight);
  margin-bottom: var(--space-2);
}

.about-block p,
.about-block li {
  color: var(--ink-soft);
}

.about-block li + li {
  margin-top: 0.35rem;
}

@media (min-width: 800px) {
  .about-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}