/* Hoe het werkt: drie stappen met een lijn die zich vult */
.steps {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.rail {
  position: absolute;
  left: 0;
  right: 0;
  top: 27px;
  height: 2px;
  background: var(--edge);
}
.rail i {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--green-deep), var(--green));
  transform-origin: left;
  transform: scaleX(var(--p, 0));
  box-shadow: 0 0 18px var(--green);
}
.step {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
}
.node {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: var(--bg);
  box-shadow: inset 0 0 0 1px var(--edge-2);
  font-family: var(--mono);
  font-size: 0.9rem;
  color: var(--muted);
  transition: all 0.4s;
  position: relative;
  z-index: 1;
}
.step.lit .node {
  color: var(--green-ink);
  background: var(--green);
  box-shadow: 0 0 30px -4px var(--green);
}
.step p {
  color: var(--muted);
  max-width: 22em;
}
.step small {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--green);
}

@media (max-width: 620px) {
  .steps {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .rail {
    left: 27px;
    right: auto;
    top: 0;
    bottom: 0;
    width: 2px;
    height: auto;
  }
  .rail i {
    transform-origin: top;
    transform: scaleY(var(--p, 0));
  }
  .step {
    padding-left: 76px;
  }
  .node {
    position: absolute;
    left: 0;
    top: -6px;
  }
}