/* Gallery. Loaded by gallery.php only. */

/* ---- Opening: headline left, introduction right ---- */
.gal-title { padding-bottom: clamp(2.5rem, 5vw, 4rem); }
.gal-title__grid { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 4fr); gap: 2rem clamp(2rem, 6vw, 6rem); align-items: end; }
.gal-title__lede .lede { margin: 0 0 .6rem; max-width: 38ch; }
@media (max-width: 860px) { .gal-title__grid { grid-template-columns: 1fr; } }

/* ---- Filter: tracked capitals on a hairline, a superscript count ---- */
.gal-filter { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); margin-bottom: clamp(1.5rem, 3vw, 2.5rem); }
.gal-filter__chips {
  display: flex; gap: clamp(1.4rem, 3vw, 2.8rem); overflow-x: auto; scrollbar-width: none;
  -webkit-mask-image: linear-gradient(to right, #000 calc(100% - 2rem), transparent);
          mask-image: linear-gradient(to right, #000 calc(100% - 2rem), transparent);
  padding-right: 2rem;
}
.gal-filter__chips::-webkit-scrollbar { display: none; }
.gal-filter .chip {
  position: relative; flex: none;
  display: inline-flex; align-items: flex-start; gap: .35rem;
  padding: 1.25rem 0 1.15rem;
  font-size: .7rem; font-weight: 500; letter-spacing: .22em; text-transform: uppercase;
  color: var(--ink-soft); white-space: nowrap;
  transition: color .3s var(--ease);
}
.gal-filter .chip::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: -1px; height: 1px; background: var(--forest);
  transition: right .5s var(--ease-out);
}
.gal-filter .chip:hover { color: var(--forest); }
.gal-filter .chip.is-active { color: var(--forest); }
.gal-filter .chip.is-active::after { right: 0; }
.chip__n { font-size: .58rem; letter-spacing: .08em; color: var(--sage); transform: translateY(-.35em); }

/* ---- The mosaic: twelve columns, fixed row height, shapes from gal_shapes() ---- */
.gal-grid {
  display: grid; grid-template-columns: repeat(12, minmax(0, 1fr));
  grid-auto-rows: clamp(170px, 22vw, 330px); grid-auto-flow: row dense;
  gap: clamp(.6rem, 1.2vw, 1.1rem);
}
.gal-grid.is-fading .gal-item:not([hidden]) { animation: galIn .7s var(--ease-out) both; }
@keyframes galIn { from { opacity: 0; transform: translateY(10px); } }
.gal-item[hidden] { display: none; }
.gal-item--a { grid-column: span 7; grid-row: span 2; }
.gal-item--b { grid-column: span 5; }
.gal-item--c { grid-column: span 4; }
.gal-item--d { grid-column: span 4; grid-row: span 2; }
.gal-item--e { grid-column: span 7; }
.gal-item--f { grid-column: span 7; grid-row: span 2; }
.gal-item--w { grid-column: 1 / -1; }

.gal-btn { position: relative; display: block; width: 100%; height: 100%; overflow: hidden; background: var(--mist); cursor: zoom-in; }
.gal-btn img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.4s var(--ease-out), filter .6s var(--ease); }
.gal-btn:hover img, .gal-btn:focus-visible img { transform: scale(1.035); }
.gal-btn:focus-visible { outline-offset: 3px; }
.gal-btn::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(to top, rgba(18,26,18,.55), rgba(18,26,18,0) 45%);
  opacity: 0; transition: opacity .5s var(--ease);
}
.gal-btn:hover::after, .gal-btn:focus-visible::after { opacity: 1; }
.gal-meta {
  position: absolute; z-index: 1; left: 0; right: 0; bottom: 0;
  display: grid; gap: .3rem; padding: 1.2rem 1.3rem;
  color: var(--white); opacity: 0; transform: translateY(8px);
  transition: opacity .45s var(--ease), transform .6s var(--ease-out);
}
.gal-btn:hover .gal-meta, .gal-btn:focus-visible .gal-meta { opacity: 1; transform: none; }
.gal-meta__cat { font-size: .62rem; letter-spacing: .24em; text-transform: uppercase; color: rgba(255,255,255,.82); }
.gal-cap { font-family: var(--serif); font-weight: 300; font-size: 1.2rem; line-height: 1.2; }

@media (max-width: 700px) {
  .gal-grid { grid-template-columns: 1fr 1fr; grid-auto-rows: 44vw; gap: .5rem; }
  .gal-item--a, .gal-item--e, .gal-item--w { grid-column: 1 / -1; grid-row: auto; }
  .gal-item--a { grid-row: span 2; }
  .gal-item--b, .gal-item--c { grid-column: auto; grid-row: auto; }
  .gal-item--d, .gal-item--f { grid-column: auto; grid-row: span 2; }
  .gal-meta { display: none; }
}

.gal-empty { padding-block: 2rem 1rem; border-top: 1px solid var(--line); }
.gal-empty .lede { max-width: 46ch; margin-top: 2rem; }
.gal-empty__links { display: flex; flex-wrap: wrap; gap: 1rem 2.5rem; margin-top: 2rem; }

/* ---- Lightbox: the forest after dark, one photograph, quiet controls ---- */
.lightbox {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(16,22,16,.97); color: var(--white);
  animation: lbIn .35s var(--ease) both;
}
.lightbox[hidden] { display: none; }
@keyframes lbIn { from { opacity: 0; } }
.lightbox__fig {
  position: absolute; inset: 0; display: grid; place-items: center; align-content: center; gap: 1.2rem;
  padding: clamp(4rem, 8vw, 6rem) clamp(1rem, 8vw, 8rem) clamp(4.5rem, 8vw, 6rem);
}
.lightbox__fig img { max-width: 100%; max-height: calc(100vh - 11rem); max-height: calc(100svh - 11rem); object-fit: contain; }
.lightbox__cap {
  position: absolute; left: 0; right: 0; bottom: clamp(1.2rem, 3vw, 2rem);
  display: flex; justify-content: center; align-items: baseline; gap: 1.6rem; flex-wrap: wrap;
  padding-inline: 1.5rem; text-align: center;
  font-family: var(--serif); font-weight: 300; font-size: 1.05rem; color: rgba(255,255,255,.82);
}
.lightbox__count { font-family: var(--sans); font-size: .64rem; letter-spacing: .24em; color: var(--lichen); }
.lightbox__btn {
  position: absolute; z-index: 2; width: 54px; height: 54px; border-radius: 50%;
  display: grid; place-items: center; background: transparent;
  border: 1px solid rgba(255,255,255,.28); color: var(--white);
  transition: background .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease);
}
.lightbox__btn:hover { background: var(--white); color: var(--forest); border-color: var(--white); }
.lightbox__btn svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.3; stroke-linecap: round; stroke-linejoin: round; }
.lightbox__close { top: clamp(.8rem, 2vw, 1.5rem); right: clamp(.8rem, 2vw, 1.5rem); }
.lightbox__nav { top: 50%; transform: translateY(-50%); }
.lightbox__nav--prev { left: clamp(.6rem, 2vw, 1.8rem); }
.lightbox__nav--next { right: clamp(.6rem, 2vw, 1.8rem); }
@media (max-width: 700px) {
  .lightbox__nav { top: auto; bottom: 1rem; transform: none; width: 46px; height: 46px; }
  .lightbox__cap { bottom: 4.6rem; font-size: .95rem; }
  .lightbox__fig { padding-bottom: 8rem; }
}