/* ============================================================
   Gallery page — banner, filters, grid, lightbox
   (colors come from theme.css; layout shares style.css)
   ============================================================ */

/* ---------- Banner ---------- */
.gbanner {
  position: relative; padding: calc(7rem + 4vw) 0 clamp(3rem, 6vw, 5rem);
  overflow: hidden; isolation: isolate;
}
.gbanner__bg {
  position: absolute; inset: 0; z-index: -1; background-size: cover; background-position: center;
}
.gbanner__bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(11,18,32,0.82) 0%, rgba(11,18,32,0.92) 100%);
}
.gbanner__grid {
  position: absolute; inset: 0; z-index: -1; opacity: 0.4;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 60px 60px;
  -webkit-mask-image: radial-gradient(ellipse 70% 80% at 50% 0%, #000, transparent 75%);
  mask-image: radial-gradient(ellipse 70% 80% at 50% 0%, #000, transparent 75%);
}
.gbanner__inner { text-align: center; max-width: 760px; margin-inline: auto; }
.gbanner h1 { font-family: var(--font-display); font-size: clamp(2.4rem, 6vw, 4rem); color: #fff; line-height: 1.05; }
.gbanner p { color: rgba(234,240,251,0.82); margin-top: 1rem; font-size: 1.05rem; }
.crumb { display: inline-flex; gap: 0.5rem; align-items: center; font-size: 0.85rem; color: rgba(234,240,251,0.7); margin-bottom: 1.2rem; font-family: var(--font-display); letter-spacing: 0.04em; }
.crumb a:hover { color: var(--accent-2); }
.crumb span { color: var(--accent-2); }

/* ---------- Filter tabs ---------- */
.gfilters { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.6rem; margin: 2.5rem auto 0; }
.gfilter {
  font-family: var(--font-display); font-weight: 600; font-size: 0.9rem;
  padding: 0.6rem 1.3rem; border-radius: 100px; cursor: pointer;
  background: var(--surface); color: var(--muted); border: 1px solid var(--line);
  transition: color 0.25s, background 0.25s, border-color 0.25s, transform 0.25s var(--ease);
}
.gfilter:hover { color: var(--text); transform: translateY(-2px); }
.gfilter.is-active { background: var(--grad-accent); color: #1a0f00; border-color: transparent; box-shadow: 0 10px 24px -10px rgba(255,122,24,0.6); }
.gfilter .gfilter__n { opacity: 0.7; font-weight: 500; }

/* ---------- Grid ---------- */
.gwrap { padding: clamp(2.5rem, 5vw, 4rem) 0 clamp(4rem, 7vw, 6rem); }
.ggrid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  grid-auto-rows: 230px; gap: 1.1rem;
}
.gtile {
  position: relative; overflow: hidden; border-radius: var(--radius-sm);
  border: 1px solid var(--line); cursor: pointer; isolation: isolate; background: var(--surface);
  opacity: 0; transform: translateY(24px) scale(0.98);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}
.gtile.in { opacity: 1; transform: none; }
.gtile.is-hidden { display: none; }
/* a few feature tiles for rhythm */
.gtile.gtile--wide { grid-column: span 2; }
.gtile.gtile--tall { grid-row: span 2; }
.gtile img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  transition: transform 0.7s var(--ease), filter 0.4s;
}
.gtile:hover img { transform: scale(1.09); }
.gtile__overlay {
  position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: flex-end;
  padding: 1.1rem; gap: 0.35rem;
  background: linear-gradient(180deg, rgba(11,18,32,0) 35%, rgba(11,18,32,0.55) 70%, rgba(11,18,32,0.92) 100%);
  opacity: 0; transition: opacity 0.4s var(--ease);
}
.gtile:hover .gtile__overlay { opacity: 1; }
.gtile__cat { font-family: var(--font-display); font-size: 0.7rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent-2); }
.gtile__cap { font-family: var(--font-display); font-weight: 600; color: #fff; font-size: 1rem; transform: translateY(8px); transition: transform 0.4s var(--ease); }
.gtile:hover .gtile__cap { transform: none; }
.gtile__zoom {
  position: absolute; top: 0.9rem; right: 0.9rem; width: 38px; height: 38px; border-radius: 50%;
  background: var(--grad-accent); color: #1a0f00; display: grid; place-items: center;
  transform: scale(0) rotate(-30deg); transition: transform 0.4s var(--ease);
}
.gtile:hover .gtile__zoom { transform: scale(1) rotate(0); }
.gtile__zoom svg { width: 18px; height: 18px; }

.gempty { text-align: center; color: var(--muted); padding: 3rem 0; display: none; }

/* ---------- Lightbox ---------- */
.lb { position: fixed; inset: 0; z-index: 200; display: none; }
.lb.is-open { display: block; }
.lb__backdrop { position: absolute; inset: 0; background: rgba(6, 10, 18, 0.92); backdrop-filter: blur(6px); animation: lbfade 0.3s var(--ease); }
@keyframes lbfade { from { opacity: 0; } to { opacity: 1; } }
.lb__stage { position: absolute; inset: 0; display: grid; place-items: center; padding: clamp(1rem, 4vw, 3rem); }
.lb__figure { position: relative; max-width: min(1100px, 92vw); max-height: 82vh; display: flex; flex-direction: column; }
.lb__img {
  max-width: 100%; max-height: 76vh; object-fit: contain; border-radius: 10px;
  box-shadow: 0 40px 90px -30px rgba(0,0,0,0.8); animation: lbpop 0.35s var(--ease);
}
@keyframes lbpop { from { opacity: 0; transform: scale(0.96); } to { opacity: 1; transform: none; } }
.lb__caption { margin-top: 0.9rem; text-align: center; color: #eaf0fb; font-family: var(--font-display); font-weight: 600; }
.lb__caption small { display: block; color: rgba(234,240,251,0.6); font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase; font-size: 0.72rem; margin-top: 0.25rem; }

.lb__btn {
  position: absolute; z-index: 2; border: 1px solid rgba(255,255,255,0.18); background: rgba(255,255,255,0.08);
  color: #fff; width: 52px; height: 52px; border-radius: 50%; display: grid; place-items: center; cursor: pointer;
  backdrop-filter: blur(8px); transition: background 0.25s, transform 0.25s var(--ease), border-color 0.25s;
}
.lb__btn:hover { background: var(--grad-accent); color: #1a0f00; border-color: transparent; transform: scale(1.08); }
.lb__btn svg { width: 24px; height: 24px; }
.lb__close { top: 1.2rem; right: 1.2rem; }
.lb__prev { left: 1.2rem; top: 50%; transform: translateY(-50%); }
.lb__next { right: 1.2rem; top: 50%; transform: translateY(-50%); }
.lb__prev:hover, .lb__next:hover { transform: translateY(-50%) scale(1.08); }
.lb__counter { position: absolute; top: 1.4rem; left: 1.4rem; z-index: 2; color: rgba(255,255,255,0.85); font-family: var(--font-display); font-weight: 600; font-size: 0.95rem; background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.15); padding: 0.4rem 0.9rem; border-radius: 100px; backdrop-filter: blur(8px); }

@media (max-width: 760px) {
  /* Clean, uniform 2-up grid on mobile — drop the wide/tall feature spans */
  .ggrid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 47vw; gap: 0.7rem; }
  .gtile.gtile--wide, .gtile.gtile--tall { grid-column: auto; grid-row: auto; }
  .lb__btn { width: 44px; height: 44px; }
  .lb__prev { left: 0.6rem; } .lb__next { right: 0.6rem; }
}
@media (max-width: 380px) {
  .ggrid { grid-template-columns: 1fr; grid-auto-rows: 64vw; }
}

/* Touch devices have no hover — keep captions + zoom visible so tiles look intentional */
@media (hover: none) {
  .gtile__overlay { opacity: 1; background: linear-gradient(180deg, rgba(11,18,32,0) 50%, rgba(11,18,32,0.88) 100%); padding: 0.8rem; }
  .gtile__cap { transform: none; font-size: 0.85rem; }
  .gtile__cat { font-size: 0.6rem; }
  .gtile__zoom { transform: scale(1); top: 0.55rem; right: 0.55rem; width: 30px; height: 30px; }
  .gtile__zoom svg { width: 15px; height: 15px; }
}
@media (prefers-reduced-motion: reduce) {
  .gtile { opacity: 1; transform: none; }
}