/* ============================================================================
   Sabores Oaxaqueños — Gallery layout
   Reuses the shared visual system from assets/menu/menu.css (nav, masthead,
   buttons, footer, lightbox, tokens, focus-visible, motion). This file adds
   only the editorial gallery grid, the featured hero, reveal, and the
   lightbox prev/next controls.
   ========================================================================== */

/* ── featured opening photograph ─────────────────────────────────────────── */
.gallery-hero{ position:relative; z-index:1; margin:0 auto clamp(18px,3vw,30px);
  width:min(1240px,92vw); border-radius:18px; overflow:hidden; box-shadow:var(--shadow);
  background:#e2d2b6; }
.gallery-hero button{ display:block; width:100%; border:0; padding:0; margin:0; cursor:zoom-in;
  background:none; }
.gallery-hero .imgwrap{ display:block; position:relative; width:100%; aspect-ratio:16/9; }
@media (max-width:640px){ .gallery-hero .imgwrap{ aspect-ratio:4/3; } }
.gallery-hero img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; }
.gallery-hero .hero-glow{ position:absolute; inset:0; pointer-events:none;
  background:linear-gradient(to top, rgba(20,12,6,.28), transparent 42%); }

/* ── editorial masonry grid (column-aligned; row-spans set by JS) ─────────── */
.gallery-grid{ position:relative; z-index:1; width:min(1240px,92vw); margin:0 auto;
  display:grid; grid-template-columns:repeat(3,1fr); grid-auto-rows:8px;
  column-gap:clamp(12px,1.6vw,20px); }
.gtile{ margin:0; }
.gtile-btn{ display:block; width:100%; padding:0; border:0; background:none; cursor:zoom-in; }
.gtile-inner{ display:block; position:relative; width:100%; border-radius:14px; overflow:hidden;
  background:#e2d2b6; box-shadow:var(--shadow); }
.gtile-inner img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover;
  opacity:0; transition:opacity .5s var(--ease); }
.gtile-inner img.loaded{ opacity:1; }

/* subtle reveal on scroll */
.gtile{ opacity:0; transform:translateY(16px); transition:opacity .55s var(--ease), transform .55s var(--ease); }
.gtile.in{ opacity:1; transform:none; }

/* restrained hover feedback — hover-capable devices only */
@media (hover:hover){
  .gtile-inner{ transition:transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease); }
  .gtile-btn:hover .gtile-inner, .gallery-hero button:hover{ transform:translateY(-4px); }
  .gtile-btn:hover .gtile-inner img.loaded{ transform:scale(1.045); }
  .gtile-inner img{ transition:opacity .5s var(--ease), transform .6s var(--ease); }
}
.gtile-btn:focus-visible .gtile-inner, .gallery-hero button:focus-visible{
  outline:2px solid var(--ember); outline-offset:4px; }

/* ── tablet / mobile columns ─────────────────────────────────────────────── */
@media (max-width:1023px){ .gallery-grid{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:560px){ .gallery-grid{ grid-template-columns:1fr; } }

/* ── lightbox prev/next (gallery-specific; base .lightbox is shared) ──────── */
.lb-nav{ position:absolute; top:50%; transform:translateY(-50%); z-index:2;
  width:52px; height:52px; border-radius:999px; border:1px solid rgba(255,255,255,.35);
  background:rgba(0,0,0,.35); color:#fff; cursor:pointer; display:flex; align-items:center; justify-content:center;
  transition:background var(--dur) var(--ease); }
.lb-nav:hover{ background:rgba(0,0,0,.6); }
.lb-nav:focus-visible{ outline:2px solid var(--marigold); outline-offset:3px; }
.lb-nav svg{ width:24px; height:24px; }
.lb-prev{ left:max(14px, env(safe-area-inset-left,0px)); }
.lb-next{ right:max(14px, env(safe-area-inset-right,0px)); }
@media (max-width:560px){ .lb-nav{ width:44px; height:44px; bottom:calc(20px + env(safe-area-inset-bottom,0px)); top:auto; transform:none; } .lb-prev{ left:20px; } .lb-next{ right:20px; } }

.lightbox .lb-close{ top:max(18px, env(safe-area-inset-top,0px)); }

/* gallery footer: a couple of quick links back, above the shared contact block */
.gallery-foot-links{ display:flex; gap:20px; flex-wrap:wrap; padding-bottom:26px;
  border-bottom:1px solid rgba(242,228,207,.14); margin-bottom:8px; }
.gallery-foot-links a{ font-size:14px; letter-spacing:.04em; color:#e6d6bd; }
.gallery-foot-links a:hover{ color:#fff; }

@media (prefers-reduced-motion: reduce){
  .gtile{ opacity:1 !important; transform:none !important; transition:none !important; }
  .gtile-inner, .gtile-inner img, .lb-nav{ transition:none !important; transform:none !important; }
  .gtile-inner img{ opacity:1 !important; }
}