/* Section 09 — Timeline */
.s-timeline__track {
  list-style: none;
  margin: 0 0 2rem;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  position: relative;
}
.s-timeline__track::before {
  content: '';
  position: absolute;
  left: 8%;
  right: 8%;
  top: 30px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.35;
  z-index: 0;
}

.s-timeline__step {
  position: relative;
  display: grid;
  justify-items: center;
  gap: 1rem;
  z-index: 1;
}

.s-timeline__marker {
  width: 62px; height: 62px;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 800;
  letter-spacing: 0.06em;
  box-shadow: 0 0 0 6px var(--bg-primary), var(--shadow-md);
}
.s-timeline__marker span { font-size: 1rem; }

.s-timeline__card {
  width: 100%;
  padding: 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background-color: var(--bg-elevated);
  text-align: center;
  transition: transform 0.25s ease, border-color 0.25s ease;
}
.s-timeline__card:hover {
  border-color: var(--accent);
}
.s-timeline__card h3 { font-size: 1.1rem; margin-bottom: 0.35rem; }
.s-timeline__card p { font-size: 0.9rem; margin-bottom: 0.75rem; }
.s-timeline__stat {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  background-color: var(--accent-soft);
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-pill);
}

.s-timeline__summary {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 2rem;
  align-items: center;
  padding: 1.75rem;
  border-radius: var(--radius-lg);
  background:
    linear-gradient(135deg, var(--accent-soft), transparent 60%),
    var(--bg-elevated);
  border: 1px solid var(--border);
}
.s-timeline__summary-title {
  font-size: clamp(1.4rem, 3vw, 2rem);
  margin: 0;
}
.s-timeline__summary-title em {
  font-style: normal;
  color: var(--accent);
}
.s-timeline__disclaimer {
  margin: 0;
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.55;
}

@media (max-width: 820px) {
  .s-timeline__track { grid-template-columns: 1fr; gap: 1.5rem; }
  .s-timeline__track::before { display: none; }
  .s-timeline__summary { grid-template-columns: 1fr; text-align: center; }
}