/* ==========================================================================
   Timeline — vertical process / lifecycle visualisation.
   ========================================================================== */

.timeline {
  position: relative;
  display: grid;
  gap: var(--space-6);
  padding-left: 2.2rem;
  max-width: 44rem;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 0.55rem;
  top: 0.4rem;
  bottom: 0.4rem;
  width: 2px;
  background: linear-gradient(180deg, var(--accent), var(--cyan-400), transparent);
  border-radius: var(--radius-full);
}

.timeline__item {
  position: relative;
  display: grid;
  gap: var(--space-2);
}

.timeline__item::before {
  content: "";
  position: absolute;
  left: -2.2rem;
  top: 0.35rem;
  width: 1.15rem;
  height: 1.15rem;
  border-radius: var(--radius-full);
  background: var(--bg);
  border: 2px solid var(--accent);
  box-shadow: 0 0 0 4px var(--glow-1);
}

.timeline__step {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-strong);
}

.timeline__title {
  font-size: var(--text-lg);
  font-weight: 650;
  color: var(--text-strong);
}

.timeline__text {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: var(--leading-normal);
}