/*
  Component: lead-flow
  Markup contract: section[data-component="lead-flow"] > .flow-track containing
  .flow-line > .flow-line-fill and ol.flow-stages > li.flow-stage (each with
  button.flow-marker, h3, p). JS sets .is-active on stages and --flow-progress
  (0 to 1) on .flow-track.
*/

.flow-track {
  position: relative;
  margin-top: 56px;
  --flow-progress: 0;
}

.flow-line {
  position: absolute;
  top: 21px;
  left: 4%;
  right: 4%;
  height: 2px;
  background: var(--edge);
}

.flow-line-fill {
  height: 100%;
  width: calc(var(--flow-progress) * 100%);
  background: var(--accent);
  transition: width var(--t-slow) var(--ease);
}

.flow-stages {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 28px;
  position: relative;
}

.flow-marker {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--surface-0);
  border: 1px solid var(--edge);
  color: var(--text-2);
  font-family: var(--font-text);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease), background-color var(--t-fast) var(--ease);
}

.flow-stage h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin-top: 18px;
  color: var(--text-2);
  transition: color var(--t-fast) var(--ease);
}

.flow-stage p {
  color: var(--text-2);
  font-size: 0.92rem;
  margin-top: 8px;
}

.flow-stage.is-active .flow-marker {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--on-accent);
}

.flow-stage.is-active h3 {
  color: var(--text-1);
}


@media (max-width: 900px) {
  .flow-track {
    margin-top: 40px;
  }

  .flow-line {
    top: 8px;
    bottom: 8px;
    left: 21px;
    right: auto;
    width: 2px;
    height: auto;
  }

  .flow-line-fill {
    width: 100%;
    height: calc(var(--flow-progress) * 100%);
    transition: height var(--t-slow) var(--ease);
  }

  .flow-stages {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .flow-stage {
    display: grid;
    grid-template-columns: 44px 1fr;
    column-gap: 18px;
  }

  .flow-stage h3 {
    grid-column: 2;
    margin-top: 8px;
  }

  .flow-stage p {
    grid-column: 2;
  }
}