.case-pair-reel {
  grid-column: 1 / -1;
  width: 100%;
  max-width: none;
  min-width: 0;
  margin: 0;
}

.case-pair-reel--atlas {
  margin: clamp(18px, 3vw, 46px) 0 0;
}

.case-pair-reel__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--brand-line);
}

.case-pair-reel__label {
  margin: 0;
  color: var(--project-muted);
  font-size: 0.72rem;
  line-height: 1.5;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.case-pair-reel__controls {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.case-pair-reel__count {
  min-width: 54px;
  margin-right: 5px;
  color: var(--project-muted);
  font-size: 0.72rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.08em;
  text-align: right;
}

.case-pair-reel__button {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  padding: 0;
  border: 1px solid var(--brand-line);
  border-radius: 50%;
  background: transparent;
  color: var(--brand-ink);
  cursor: pointer;
  transition: background 0.25s ease, color 0.25s ease, opacity 0.25s ease;
}

.case-pair-reel__button svg {
  width: 18px;
  height: 18px;
}

.case-pair-reel__button--previous svg {
  transform: rotate(180deg);
}

.case-pair-reel__button:hover:not(:disabled),
.case-pair-reel__button:focus-visible {
  background: var(--brand-charcoal);
  color: var(--brand-paper);
}

.case-pair-reel__button:disabled {
  cursor: default;
  opacity: 0.28;
}

.case-pair-reel__stage {
  position: relative;
  isolation: isolate;
}

.case-pair-reel__navigation {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
}

.case-pair-reel__navigation .case-pair-reel__button {
  position: absolute;
  top: calc(var(--pair-image-height, 360px) / 2);
  transform: translateY(-50%);
  width: 72px;
  height: 72px;
  border-color: rgba(255,255,255,.82);
  background: rgba(24,25,24,.28);
  color: #fff;
  pointer-events: auto;
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
}

.case-pair-reel__navigation [data-pair-previous] { left: 18px; }
.case-pair-reel__navigation [data-pair-next] { right: 18px; }
/* Pause stays its original size beside the slide numbers. */
.case-pair-reel__controls .case-pair-reel__button--pause {
  width: 44px;
  height: 44px;
  flex: none;
}
.case-pair-reel__navigation .case-pair-reel__button svg {
  width: 27px;
  height: 27px;
}

.case-pair-reel__navigation .case-pair-reel__button:hover {
  background: rgba(24,25,24,.65);
}
.case-pair-reel__navigation .case-pair-reel__button:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 4px;
  background: rgba(24,25,24,.8);
}

.case-pair-reel__viewport {
  overflow-x: auto;
  overflow-y: hidden;
  overscroll-behavior-x: contain;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  touch-action: pan-y pinch-zoom;
  cursor: grab;
}

.case-pair-reel__viewport::-webkit-scrollbar {
  display: none;
}

.case-pair-reel__viewport.is-dragging {
  cursor: grabbing;
  scroll-snap-type: none;
}

.case-pair-reel__track {
  display: flex;
  gap: 28px;
  width: 100%;
}

/* Native transform animation moves matching copies through one leftward
   cycle. The viewport itself never scrolls or snaps back to the start. */
.case-pair-reel.is-looping .case-pair-reel__viewport {
  overflow: hidden;
  scroll-behavior: auto;
  scroll-snap-type: none;
}

.case-pair-reel.is-looping .case-pair-reel__track {
  will-change: transform;
}

.case-pair-reel.is-looping .case-pair-reel__item {
  scroll-snap-align: none;
  scroll-snap-stop: normal;
}

.case-pair-reel .case-pair-reel__item {
  flex: 0 0 calc((100% - 28px) / 2);
  width: auto;
  max-width: none;
  margin: 0;
  scroll-snap-align: start;
  scroll-snap-stop: always;
}

.case-pair-reel__item img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.case-pair-reel .case-pair-reel__item > button {
  display: block;
  width: 100%;
}

.case-pair-reel__item figcaption {
  min-height: 3.1em;
}

@media (min-width: 761px) {
  .case-pair-reel--atlas + .case-atlas-photo {
    grid-column: 1 / -1;
    width: 100%;
    max-width: none;
    margin-top: -47px;
  }
}

@media (max-width: 760px) {
  .case-pair-reel {
    margin-bottom: 42px;
  }

  .case-pair-reel__head {
    align-items: center;
    margin-bottom: 17px;
    gap: 12px;
  }

  .case-pair-reel__label {
    max-width: 150px;
    min-width: 0;
    font-size: 0.64rem;
  }

  .case-pair-reel__controls {
    gap: 7px;
  }

  .case-pair-reel__count {
    display: inline-block;
    min-width: 50px;
    margin-right: 0;
  }

  .case-pair-reel__button {
    width: 42px;
    height: 42px;
  }

  .case-pair-reel__viewport {
    width: calc(100% + 20px);
    margin-right: -20px;
  }

  .case-pair-reel__navigation .case-pair-reel__button { width: 66px; height: 66px; }
  .case-pair-reel__navigation [data-pair-previous] { left: 12px; }
  .case-pair-reel__navigation [data-pair-next] { right: 12px; }

  .case-pair-reel__track {
    gap: 14px;
    padding-right: 20px;
  }

  .case-pair-reel .case-pair-reel__item {
    flex-basis: min(82vw, 430px);
    margin-bottom: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .case-pair-reel__viewport {
    scroll-behavior: auto;
  }

  .case-pair-reel__button {
    transition: none;
  }
}