/* Gallery — editorial mosaic + lightbox. All selectors scoped .gallery / .gallery-lightbox. */

.gallery__head {
  max-width: 40em;
}

.gallery__note {
  margin-top: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-sage);
}

/* Mosaic grid — mobile first: two tight columns ------------------------ */

.gallery__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-auto-flow: dense;
  gap: var(--space-2);
  margin-top: var(--space-5);
}

.gallery__tile {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-sm);
  background: var(--c-mist-deep);
  aspect-ratio: 1 / 1;
}

.gallery__tile--wide {
  grid-column: span 2;
  aspect-ratio: 16 / 10;
}

/* --wide-md behaves as a plain square tile below 720px */

.gallery__open {
  display: block;
  width: 100%;
  height: 100%;
  padding: 0;
  border: 0;
  background: none;
  cursor: zoom-in;
}

/* The tile clips overflow, so keep the focus ring inside it */
.gallery__open:focus-visible {
  outline-offset: -3px;
}

.gallery__tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 300ms var(--ease-out);
}

.gallery__tile:hover img,
.gallery__tile:focus-within img {
  transform: scale(1.03);
}

/* Mono caption — quiet overlay at the tile's bottom -------------------- */

.gallery__caption {
  position: absolute;
  inset: auto 0 0 0;
  padding: var(--space-4) var(--space-3) var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1.4;
  color: var(--c-sage);
  background: linear-gradient(
    to top,
    color-mix(in srgb, var(--c-blackwater) 82%, transparent),
    transparent
  );
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 300ms var(--ease-out), transform 300ms var(--ease-out);
  pointer-events: none;
}

.gallery__tile:hover .gallery__caption,
.gallery__tile:focus-within .gallery__caption {
  opacity: 1;
  transform: none;
}

/* Touch / no-hover devices: captions always visible */
@media (hover: none) {
  .gallery .gallery__caption {
    opacity: 1;
    transform: none;
  }
}

/* Mobile: collapsed preview + "show all" toggle ------------------------ */

/* Hidden by default; js/gallery.js drops [hidden] only below 720px, so the
   full mosaic still renders with JS off. */
.gallery__more {
  display: none;
}

@media (max-width: 719px) {
  .gallery__more:not([hidden]) {
    position: relative;
    display: flex;
    justify-content: center;
    margin-top: var(--space-3);
  }

  /* Three tiles keeps both preview rows complete: the wide frame, then a pair. */
  .gallery .gallery__grid.is-collapsed > .gallery__tile:nth-child(n + 4) {
    display: none;
  }

  /* Fade the last preview row so it reads as "there's more below". */
  .gallery .gallery__grid.is-collapsed + .gallery__more::before {
    content: '';
    position: absolute;
    inset: auto 0 100% 0;
    height: clamp(3.5rem, 16vw, 6rem);
    background: linear-gradient(to top, var(--c-mist), transparent);
    pointer-events: none;
  }

  .gallery__more-icon {
    width: 18px;
    height: 18px;
    transition: transform var(--dur-fast) var(--ease-out);
  }

  .gallery__more-btn[aria-expanded='true'] .gallery__more-icon {
    transform: rotate(180deg);
  }
}

/* 720px — two columns with row-span mosaic ----------------------------- */

@media (min-width: 720px) {
  .gallery .gallery__grid {
    gap: var(--space-3);
    grid-auto-rows: clamp(7.5rem, 11vw, 10rem);
  }

  .gallery .gallery__tile {
    grid-column: auto;
    grid-row: span 2;
    aspect-ratio: auto;
    border-radius: var(--radius);
  }

  .gallery .gallery__tile--wide,
  .gallery .gallery__tile--wide-md {
    grid-column: span 2;
  }

  .gallery .gallery__tile--tall {
    grid-row: span 3;
  }

  .gallery .gallery__caption {
    padding: var(--space-5) var(--space-4) var(--space-3);
  }
}

/* 1080px — six-column editorial mosaic --------------------------------- */

@media (min-width: 1080px) {
  .gallery .gallery__grid {
    grid-template-columns: repeat(6, 1fr);
    gap: var(--space-4);
    grid-auto-rows: clamp(7rem, 8vw, 9.5rem);
    margin-top: var(--space-6);
  }

  .gallery .gallery__tile {
    grid-column: span 2;
  }

  .gallery .gallery__tile--wide,
  .gallery .gallery__tile--wide-md {
    grid-column: span 4;
  }
}

/* Lightbox -------------------------------------------------------------- */

.gallery-lightbox {
  position: fixed;
  inset: 0;
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(var(--space-3), 5vw, var(--space-6));
  background: color-mix(in srgb, var(--c-blackwater) 96%, transparent);
  opacity: 0;
  transition: opacity var(--dur) var(--ease-out);
}

.gallery-lightbox[hidden] {
  display: none;
}

.gallery-lightbox.is-open {
  opacity: 1;
}

.gallery-lightbox__figure {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  max-width: min(1320px, 100%);
  transform: translateY(12px) scale(0.97);
  transition: transform var(--dur) var(--ease-out);
}

.gallery-lightbox.is-open .gallery-lightbox__figure {
  transform: none;
}

.gallery-lightbox__img {
  max-width: 100%;
  max-height: min(76vh, 880px);
  width: auto;
  height: auto;
  border-radius: var(--radius);
}

.gallery-lightbox__caption {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1.4;
  color: var(--c-text-on-dark-dim);
  text-align: center;
}

.gallery-lightbox__count {
  color: var(--c-sage);
  white-space: nowrap;
}

.gallery-lightbox__btn {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--c-line-dark);
  border-radius: 999px;
  background: color-mix(in srgb, var(--c-blackwater-soft) 72%, transparent);
  color: var(--c-text-on-dark);
  transition: color var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out);
}

.gallery-lightbox__btn:hover {
  color: var(--c-amber);
  border-color: var(--c-amber);
}

.gallery-lightbox__btn svg {
  width: 20px;
  height: 20px;
}

.gallery-lightbox__close {
  top: var(--space-3);
  right: var(--space-3);
}

.gallery-lightbox__prev {
  left: var(--space-3);
  top: 50%;
  transform: translateY(-50%);
}

.gallery-lightbox__next {
  right: var(--space-3);
  top: 50%;
  transform: translateY(-50%);
}

@media (min-width: 720px) {
  .gallery-lightbox__close {
    top: var(--space-4);
    right: var(--space-4);
  }

  .gallery-lightbox__prev {
    left: var(--space-4);
  }

  .gallery-lightbox__next {
    right: var(--space-4);
  }
}

@media (prefers-reduced-motion: reduce) {
  .gallery-lightbox,
  .gallery-lightbox__figure,
  .gallery__tile img,
  .gallery__caption,
  .gallery__more-icon {
    transition: none;
  }

  .gallery-lightbox__figure {
    transform: none;
  }
}