/* Irene Horizontale Tijdlijn – v1.3.1 (stijlupdate) */
:root {
  --irene-bg1: #115b4d;
  --irene-bg2: #d55a05;
  --irene-accent: #d22f04;
  --irene-card: #ffffff; /* kaarten licht/wit */
  --irene-text: #0b0b0b; /* tekst zwart */
  --irene-muted: #111827;
  --irene-radius: 16px;
  --irene-line: color-mix(in srgb, var(--irene-accent) 35%, transparent);
}

.irene-timeline {
  background: linear-gradient(135deg, var(--irene-bg1), var(--irene-bg2));
  color: #ffffff;
  padding: 28px 18px;
  border-radius: var(--irene-radius);
  overflow: hidden;
  box-shadow: 0 18px 40px rgba(0,0,0,.18);
}

.irene-timeline__header {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: start;
  margin-bottom: 14px;
}

.irene-timeline__title {
  margin: 0;
  font-size: clamp(20px, 2.6vw, 30px);
  line-height: 1.15;
  text-shadow: 0 1px 1px rgba(0,0,0,.18);
}

.irene-timeline__subtitle {
  margin: 6px 0 0 0;
  color: rgba(255,255,255,0.85);
}

.irene-timeline__controls {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

.irene-timeline__btn {
  border: 1px solid rgba(255,255,255,0.24);
  background: rgba(255,255,255,0.10);
  color: #fff;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  font-size: 22px;
  cursor: pointer;
  transition: transform 0.08s ease, background 0.2s ease, border-color .2s ease;
}
.irene-timeline__btn:hover {
  background: rgba(255,255,255,0.16);
  border-color: rgba(255,255,255,0.34);
}
.irene-timeline__btn:active { transform: scale(0.98); }
.irene-timeline__btn:focus-visible { outline: 3px solid rgba(255,255,255,.55); outline-offset: 2px; }

.irene-timeline__viewport {
  outline: none;
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  scroll-snap-type: x mandatory;
  padding-bottom: 10px;
  scrollbar-width: thin;
}

.irene-timeline__track {
  list-style: none;
  display: flex;
  gap: 14px;
  padding: 12px 2px 18px 2px;
  margin: 0;
  position: relative;
  min-height: 330px;
}

.irene-timeline__track::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 304px;
  height: 2px;
  background: var(--irene-line);
}

.irene-timeline__item {
  flex: 0 0 auto;
  width: min(360px, 88vw);
  scroll-snap-align: start;
}

.irene-timeline__item--year {
  width: min(120px, 30vw);
  scroll-snap-align: start;
}

.irene-year {
  height: 100%;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 8px;
  position: relative;
}

.irene-year::after {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: 296px;
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: var(--irene-accent);
  box-shadow: 0 0 0 6px color-mix(in srgb, var(--irene-accent) 18%, transparent);
}

.irene-year__label {
  font-weight: 900;
  letter-spacing: 0.06em;
  background: rgba(0,0,0,0.18);
  border: 1px solid rgba(255,255,255,0.24);
  padding: 6px 10px;
  border-radius: 999px;
  backdrop-filter: blur(6px);
  color: #fff;
}

.irene-card {
  background: var(--irene-card);
  border: 1px solid rgba(0,0,0,0.12);
  border-radius: var(--irene-radius);
  padding: 14px 14px 16px 14px;
  position: relative;
  box-shadow: 0 10px 24px rgba(0,0,0,0.18);
}

.irene-card::after {
  content: "";
  position: absolute;
  left: 22px;
  top: 296px;
  width: 14px;
  height: 14px;
  border-radius: 999px;
  background: var(--irene-accent);
  box-shadow: 0 0 0 6px color-mix(in srgb, var(--irene-accent) 18%, transparent);
}

.irene-card__media {
  margin: 0 0 10px 0;
  overflow: hidden;
  border-radius: 12px;
  border: 1px solid rgba(0,0,0,0.10);
}

.irene-card__img {
  width: 100%;
  height: 165px;
  object-fit: cover;
  display: block;
}

.irene-card__meta {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 8px;
}

.irene-card__year {
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--irene-text);
}

.irene-card__tag {
  font-size: 12px;
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(210,47,4,0.12);
  border: 1px solid rgba(210,47,4,0.35);
  color: #7f1d1d;
}

.irene-card__title {
  margin: 0 0 6px 0;
  font-size: 16px;
  color: var(--irene-text);
}

.irene-card__text {
  margin: 0;
  color: var(--irene-text);
  font-size: 14px;
  line-height: 1.45;
}

.irene-card.is-active {
  border-color: rgba(210,47,4,0.55);
  box-shadow: 0 14px 30px rgba(210,47,4,0.12), 0 10px 26px rgba(0,0,0,0.20);
}

.irene-timeline__hint {
  margin: 10px 0 0 0;
  color: rgba(255,255,255,0.85);
  font-size: 13px;
}

.irene-timeline__empty {
  background: rgba(0,0,0,0.18);
  border: 1px dashed rgba(255,255,255,0.35);
  border-radius: 12px;
  padding: 14px;
  color: #fff;
}

@media (min-width: 900px) {
  .irene-timeline { padding: 34px 24px; }
  .irene-timeline__item { width: 380px; }
  .irene-timeline__item--year { width: 140px; }
}

@media (prefers-reduced-motion: reduce) {
  .irene-timeline__viewport { scroll-behavior: auto; }
  .irene-timeline__btn { transition: none; }
}