/* Blok "Zo begin je": vier stappen op een tijdlijn. */
.steps { border-top: 1px solid var(--rule); }
.steps__head { text-align: center; max-width: 860px; margin: 0 auto clamp(48px, 6vw, 80px); display: flex; flex-direction: column; align-items: center; gap: 22px; }
.steps__title { font-size: clamp(36px, 5vw, 76px); max-width: 18ch; margin: 0; }
.steps__lead { margin: 0; max-width: 640px; }
.steps__grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--g); position: relative; }
/* De lijn loopt van het midden van cirkel 1 tot het midden van cirkel 4. */
.steps__grid::before { content: ""; position: absolute; left: 22px; right: calc((100% - 3 * var(--g)) / 4 - 22px); top: 22px; pointer-events: none; }
.steps__grid::before { height: 1px; background: color-mix(in srgb, var(--accent) 45%, transparent); }
/* Het lichtje: een strook ter grootte van de lijn, waarin een lichtpunt schuift. */
.steps__wrap { position: relative; --g: clamp(20px, 2.4vw, 36px); --run: 4.8s; }
.steps__track { position: absolute; z-index: 0; left: 22px; right: calc((100% - 3 * var(--g)) / 4 - 22px); top: 4px; height: 36px; overflow: hidden; pointer-events: none; }
.steps__track span { position: absolute; top: 50%; left: -170px; width: 170px; height: 4px; margin-top: -2px; border-radius: 4px;
  background: linear-gradient(90deg, transparent 0%, color-mix(in srgb, var(--accent) 85%, transparent) 35%, #fff 50%, color-mix(in srgb, var(--accent) 85%, transparent) 65%, transparent 100%);
  box-shadow: 0 0 14px 2px color-mix(in srgb, var(--accent) 55%, transparent);
  animation: stepsRun var(--run) linear infinite; }
@keyframes stepsRun { 0% { left: -170px; } 80%, 100% { left: 100%; } }
/* Elke cirkel licht even op als het lichtje langskomt. */
.step__dot { animation: stepsGlow var(--run) linear infinite; animation-delay: calc(var(--i, 0) * var(--run) * 0.8 / 3 - var(--run) * 0.05); }
.step:nth-child(1) { --i: 0; } .step:nth-child(2) { --i: 1; } .step:nth-child(3) { --i: 2; } .step:nth-child(4) { --i: 3; }
@keyframes stepsGlow { 0%, 12%, 100% { box-shadow: 0 0 0 0 transparent; } 5% { box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 30%, transparent), 0 0 22px 2px color-mix(in srgb, var(--accent) 70%, transparent); } }
.step { position: relative; display: flex; flex-direction: column; gap: 14px; }
.step__dot { position: relative; z-index: 1; width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; background: var(--surface-alt); border: 1px solid var(--accent); color: var(--accent-ink); font-weight: 700; font-size: 15px; }
.step:first-child .step__dot { background: var(--accent); color: var(--on-accent); }
.step__when { font-size: 12px; font-weight: 600; letter-spacing: 0.22em; text-transform: uppercase; color: var(--accent-ink); margin: 8px 0 0; }
.step__title { font-family: var(--font-display); font-weight: 600; font-size: clamp(22px, 1.9vw, 28px); line-height: 1.15; margin: 0; }
.step__copy { color: var(--muted); font-size: 16px; margin: 0; }
.steps__cta { margin-top: clamp(44px, 5vw, 72px); display: flex; flex-direction: column; align-items: center; gap: 16px; text-align: center; }
.steps__fine { color: var(--muted); font-size: 14px; margin: 0; max-width: 560px; }
@media (max-width: 900px) {
  .steps__grid { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .steps__grid::before { left: 21px; right: auto; top: 22px; bottom: 22px; width: 1px; height: auto; }
  .steps__track { left: 4px; right: auto; width: 36px; top: 22px; bottom: 22px; height: auto; }
  .steps__track span { top: -170px; left: 50%; width: 4px; height: 170px; margin: 0 0 0 -2px; background: linear-gradient(180deg, transparent 0%, color-mix(in srgb, var(--accent) 85%, transparent) 35%, #fff 50%, color-mix(in srgb, var(--accent) 85%, transparent) 65%, transparent 100%); animation-name: stepsRunDown; }
  @keyframes stepsRunDown { 0% { top: -170px; } 80%, 100% { top: 100%; } }
  .step { display: grid; grid-template-columns: 44px minmax(0, 1fr); column-gap: 20px; row-gap: 8px; padding-bottom: 32px; }
  .step:last-child { padding-bottom: 0; }
  .step__dot { grid-row: 1 / span 3; }
  .step__when { margin: 10px 0 0; }
}
@media (prefers-reduced-motion: reduce) {
  .steps__track { display: none; }
  .step__dot { animation: none; }
}