/* Verhaal: horizontale tijdlijn (vastgepind op desktop) en het contactafdrukvel. */

.story {
  padding-inline: 0;
  background:
    linear-gradient(180deg, var(--night-900), var(--night-850) 30%, var(--night-900));
}

.story > * {
  max-width: none;
}

.story__pin {
  display: grid;
  align-content: center;
  gap: var(--space-l);
}

.story__pin > .section-head {
  width: 100%;
  max-width: var(--content-max);
  margin: 0 auto;
  padding-inline: var(--gutter);
}

.story__viewport {
  overflow-x: auto;
  scroll-snap-type: x proximity;
  scroll-padding-inline: var(--gutter);
  scrollbar-width: none;
}

.story__viewport::-webkit-scrollbar {
  display: none;
}

.story__track {
  display: flex;
  gap: clamp(2rem, 4vw, 5rem);
  width: max-content;
  padding: var(--space-m) var(--gutter) var(--space-l);
}

.era {
  position: relative;
  display: grid;
  grid-template-rows: auto 1fr;
  gap: var(--space-s);
  width: clamp(16rem, 24vw, 22rem);
  padding-top: var(--space-l);
  scroll-snap-align: start;
}

.era--with-image {
  width: clamp(18rem, 30vw, 27rem);
}

/* Lijn met stip: de "schaal" waar de jaren op liggen */
.era::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: calc(-1 * clamp(2rem, 4vw, 5rem));
  height: 1px;
  background: var(--line-strong);
}

.era::after {
  content: '';
  position: absolute;
  top: -5px;
  left: 0;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 14px var(--amber);
}

.era__year {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 900;
  font-stretch: 140%;
  font-size: clamp(3.4rem, 2.4rem + 4vw, 6.6rem);
  line-height: 0.85;
  letter-spacing: -0.03em;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--sunset);
  transition: color var(--duration-slow) var(--ease-out);
}

.era.is-current .era__year,
.era:hover .era__year {
  color: var(--sunset);
  text-shadow: 0 0 40px oklch(0.72 0.19 40 / 0.45);
}

.era__body {
  display: grid;
  gap: var(--space-s);
  align-content: start;
}

.era__title {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: var(--step-1);
  line-height: 1.45;
  color: var(--paper);
  text-wrap: pretty;
}

.era__image {
  position: relative;
  padding: 10px 10px 2.4rem;
  background: oklch(0.94 0.012 85);
  border-radius: 3px;
  box-shadow: 0 24px 50px -20px oklch(0.05 0.02 278);
  transform: rotate(-2deg);
  transition: transform var(--duration-slow) var(--ease-out);
}

.era:nth-child(even) .era__image {
  transform: rotate(1.6deg);
}

.era:hover .era__image {
  transform: rotate(0deg) translateY(-4px);
}

.era__image img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.era__image--cover {
  width: 62%;
  padding-bottom: 10px;
}

.era__image--cover img {
  aspect-ratio: 2 / 3;
}

.era__image figcaption {
  position: absolute;
  inset: auto 12px 0.6rem;
  font-family: var(--font-display);
  font-stretch: 80%;
  font-style: italic;
  font-weight: 600;
  font-size: 0.85rem;
  color: oklch(0.3 0.06 280);
}

.story__progress {
  display: none;
}

/* ---------- Vastgepinde variant (desktop, met JS) ---------- */

.story.is-pinned .story__pin {
  position: sticky;
  top: 0;
  height: 100svh;
  padding-top: calc(var(--header-height) + var(--space-m));
  overflow: hidden;
}

.story.is-pinned .story__viewport {
  overflow: visible;
}

.story.is-pinned .story__track {
  transform: translateX(calc(-1 * var(--story-shift, 0px)));
  will-change: transform;
}

.story.is-pinned .story__progress {
  display: block;
  width: min(var(--content-max), calc(100% - var(--gutter) * 2));
  height: 2px;
  margin: 0 auto;
  background: var(--line);
}

.story__progress span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--sunset), var(--amber));
  transform-origin: left;
  transform: scaleX(var(--story-progress, 0));
}

/* ---------- Fotoverhaal ---------- */

.pictures {
  margin-top: var(--space-2xl);
  padding-inline: var(--gutter);
}

.pictures__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-s) var(--space-l);
  max-width: var(--content-max);
  margin: 0 auto var(--space-l);
}

.pictures__title {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 850;
  font-stretch: 130%;
  font-size: var(--step-3);
  line-height: 1;
}

.pictures__intro {
  max-width: 44ch;
  color: var(--paper-dim);
}

/* Contactafdrukvel: donkere filmstrook met genummerde beeldjes */
.pictures__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 6px;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 18px 14px;
  border-radius: var(--radius-s);
  background:
    repeating-linear-gradient(90deg, oklch(0.06 0.01 278) 0 10px, transparent 10px 22px) top / 100% 8px no-repeat,
    repeating-linear-gradient(90deg, oklch(0.06 0.01 278) 0 10px, transparent 10px 22px) bottom / 100% 8px no-repeat,
    oklch(0.12 0.02 40);
  box-shadow: 0 30px 60px -30px oklch(0.05 0.02 278);
}

.frame {
  position: relative;
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: oklch(0.08 0.01 278);
  overflow: hidden;
  border-radius: 2px;
}

.frame img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  filter: sepia(0.25) saturate(0.85) contrast(1.05);
  transition: filter var(--duration-base) var(--ease-out), transform var(--duration-slow) var(--ease-out);
}

.frame:focus-visible img {
  filter: none;
  transform: scale(1.06);
}

.frame__number {
  position: absolute;
  top: 4px;
  left: 6px;
  font-family: var(--font-display);
  font-stretch: 60%;
  font-weight: 700;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--amber);
  text-shadow: 0 1px 2px oklch(0.05 0.01 278);
}

.frame__caption {
  position: absolute;
  inset: auto 0 0;
  padding: 1.6rem 0.5rem 0.4rem;
  background: linear-gradient(180deg, transparent, oklch(0.08 0.02 278 / 0.9));
  font-size: 0.78rem;
  font-weight: 600;
  line-height: 1.25;
  text-align: left;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity var(--duration-base) var(--ease-out), transform var(--duration-base) var(--ease-out);
}

.frame:focus-visible .frame__caption {
  opacity: 1;
  transform: none;
}

/* Hover-effecten alleen met een echte muis: op touch blijven ze anders "hangen" */
@media (hover: hover) {
  .frame:hover img {
    filter: none;
    transform: scale(1.06);
  }

  .frame:hover .frame__caption {
    opacity: 1;
    transform: none;
  }
}

/* Foto-viewer */
.viewer {
  width: min(64rem, calc(100vw - 2rem));
  max-height: calc(100svh - 2rem);
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-m);
  background: var(--night-950);
  color: var(--paper);
  overflow: visible;
}

.viewer::backdrop {
  background: oklch(0.08 0.03 278 / 0.88);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}

.viewer[open] {
  animation: viewer-in var(--duration-base) var(--ease-out);
}

@keyframes viewer-in {
  from {
    opacity: 0;
    transform: scale(0.96);
  }
}

.viewer__figure {
  display: grid;
}

.viewer__image {
  width: 100%;
  max-height: calc(100svh - 8rem);
  object-fit: contain;
  background: oklch(0.08 0.02 278);
  border-radius: var(--radius-m) var(--radius-m) 0 0;
}

.viewer__caption {
  padding: var(--space-s) var(--space-m);
  font-weight: 600;
}

.viewer__caption [data-viewer-count] {
  margin-right: 0.6rem;
  font-family: var(--font-display);
  font-stretch: 70%;
  color: var(--amber);
  font-variant-numeric: tabular-nums;
}

.viewer__prev,
.viewer__next,
.viewer__close {
  position: absolute;
}

.viewer__prev {
  top: 50%;
  left: -1.4rem;
  transform: translateY(-50%);
}

.viewer__next {
  top: 50%;
  right: -1.4rem;
  transform: translateY(-50%);
}

.viewer__close {
  top: -1.4rem;
  right: -1.4rem;
}

/* ---------- Responsief ---------- */

@media (max-width: 980px) {
  .era,
  .era--with-image {
    width: min(78vw, 22rem);
  }
}

@media (max-width: 640px) {
  .pictures__grid {
    grid-template-columns: repeat(3, 1fr);
    padding: 14px 8px;
    gap: 4px;
  }

  .frame__caption {
    display: none;
  }

  .viewer__prev {
    left: 0.4rem;
  }

  .viewer__next {
    right: 0.4rem;
  }

  .viewer__close {
    top: 0.4rem;
    right: 0.4rem;
  }
}

@media (max-width: 420px) {
  .era,
  .era--with-image {
    width: 82vw;
  }

  .pictures__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}