/* ==========================================================================
   ICO Taxi Balchik — Gallery (site theme, namespaced)
   Scoped to the gallery page via the "gx-" prefix to avoid collisions
   with assets/css/style.css (which already defines .gallery-grid,
   .gallery-item, .lightbox, .hero, .site-header, ...).
   Uses the site's sea-theme design tokens.
   ========================================================================== */

.gx-wrap {
  --gx-elev: #ffffff;
  --gx-border: var(--line);
  --gx-ink: var(--ink);
  --gx-muted: var(--mute);
  --gx-accent: var(--sea-mid);
  --gx-shadow-sm: 0 8px 22px -14px rgba(13, 58, 82, .28);
  --gx-shadow-md: 0 18px 40px -18px rgba(13, 58, 82, .38);
  --gx-shadow-lg: 0 30px 60px -20px rgba(13, 90, 128, .45);
  --gx-overlay: rgba(8, 51, 79, .94);
  --gx-radius: var(--radius);
  --gx-header-h: 64px;
  --gx-transition: 260ms cubic-bezier(.22, .8, .28, 1);
}

/* --- Sections ----------------------------------------------------------- */
.gx-section {
  max-width: 1160px;
  margin: 0 auto;
  padding: 2.5rem max(1.25rem, env(safe-area-inset-left)) 1rem;
}
.gx-section-title {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.4vw, 1.65rem);
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--gx-ink);
  margin-bottom: 1.1rem;
  padding-bottom: .6rem;
  border-bottom: 1px solid var(--gx-border);
  scroll-margin-top: calc(var(--gx-header-h) + 1rem);
}

/* --- Grid --------------------------------------------------------------- */
.gx-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  grid-auto-flow: dense;
  gap: 1rem;
}
@media (min-width: 768px) {
  .gx-grid { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.25rem; }
}
.gx-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--gx-radius);
  background: var(--gx-elev);
  box-shadow: var(--gx-shadow-sm);
  margin: 0;
  transition: transform var(--gx-transition), box-shadow var(--gx-transition);
  will-change: transform;
}
.gx-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--gx-shadow-md);
}
@media (min-width: 768px) {
  .gx-item:has(.gx-link img[style*="aspect-ratio: 1.5"]) { grid-column: span 2; }
  .gx-item:has(.gx-link img[style*="aspect-ratio: 1.6"]) { grid-column: span 2; }
  .gx-item:has(.gx-link img[style*="aspect-ratio: 1.7"]) { grid-column: span 2; }
}
.gx-link {
  display: block;
  position: relative;
  text-decoration: none;
  color: inherit;
  outline-offset: 2px;
}
.gx-link img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
  background: linear-gradient(135deg, var(--foam), var(--sand));
  transition: transform 500ms cubic-bezier(.2, .7, .3, 1);
  will-change: transform;
}
.gx-link:hover img { transform: scale(1.04); }
.gx-item figcaption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 1.1rem 1rem 1rem;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0) 0%, rgba(8, 51, 79, .78) 70%);
  color: #fff;
  display: flex;
  flex-direction: column;
  gap: .15rem;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity var(--gx-transition), transform var(--gx-transition);
  pointer-events: none;
}
.gx-item:hover figcaption,
.gx-item:focus-within figcaption { opacity: 1; transform: translateY(0); }
.gx-title {
  font-weight: 600;
  font-size: .95rem;
  line-height: 1.25;
  letter-spacing: -.01em;
}
.gx-loc {
  font-size: .8rem;
  color: rgba(255, 255, 255, .85);
}
.gx-link:focus-visible {
  outline: 3px solid var(--gx-accent);
  outline-offset: 3px;
  border-radius: var(--gx-radius);
}

/* --- Credits ------------------------------------------------------------ */
.gx-credits {
  max-width: 1160px;
  margin: 1rem auto 4rem;
  padding: 1.5rem max(1.25rem, env(safe-area-inset-left)) max(1.25rem, env(safe-area-inset-right));
  border-top: 1px solid var(--gx-border);
  color: var(--gx-muted);
  font-size: .9rem;
}
.gx-credits h2 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: .5rem;
  color: var(--gx-ink);
}
.gx-credits a {
  color: var(--gx-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* --- Lightbox (namespaced) ---------------------------------------------- */
.gx-lb {
  position: fixed;
  inset: 0;
  z-index: 3000;
  background: var(--gx-overlay);
  display: none;
  align-items: center;
  justify-content: center;
  padding: clamp(1rem, 3vw, 2rem);
  opacity: 0;
  transition: opacity 200ms;
}
.gx-lb[data-open="1"] { display: flex; opacity: 1; }

.gx-lb-figure {
  position: relative;
  max-width: min(1600px, 100%);
  max-height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  margin: 0;
}
.gx-lb-img-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  max-height: calc(100vh - 230px);
  min-height: 0;
}
.gx-lb-figure img {
  max-width: 100%;
  max-height: calc(100vh - 230px);
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: var(--gx-radius);
  box-shadow: var(--gx-shadow-lg);
}
.gx-lb-cap {
  color: #f4fbfc;
  max-width: 60rem;
  text-align: center;
  padding: 0 .5rem;
}
.gx-lb-cap h2 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -.01em;
  margin-bottom: .15rem;
  color: #fff;
}
.gx-lb-cap p { font-size: .9rem; color: #cfe4ec; margin: .1rem 0; }
#gx-lb-loc { color: #9fc0cd; font-size: .85rem; }
.gx-lb-cred { margin-top: .35rem !important; font-size: .8rem !important; }
.gx-lb-cred a { color: #9be0ee; text-decoration: underline; }

.gx-lb-close, .gx-lb-prev, .gx-lb-next {
  position: absolute;
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .14);
  color: #fff;
  font-size: 1.6rem;
  line-height: 1;
  border: 0;
  cursor: pointer;
  transition: background var(--gx-transition), transform var(--gx-transition);
  z-index: 5;
}
.gx-lb-close:hover, .gx-lb-prev:hover, .gx-lb-next:hover { background: rgba(255, 255, 255, .28); }
.gx-lb-close:focus-visible, .gx-lb-prev:focus-visible, .gx-lb-next:focus-visible {
  outline: 2px solid #9be0ee;
  outline-offset: 2px;
}
.gx-lb-close { top: 1rem; right: 1rem; }
.gx-lb-prev { left: 1rem; top: 50%; transform: translateY(-50%); }
.gx-lb-next { right: 1rem; top: 50%; transform: translateY(-50%); }
.gx-lb-prev:hover { transform: translateY(-50%) scale(1.05); }
.gx-lb-next:hover { transform: translateY(-50%) scale(1.05); }

.gx-lb-counter {
  position: absolute;
  top: 1rem;
  left: 1rem;
  color: #dcebf1;
  font-size: .85rem;
  background: rgba(0, 0, 0, .4);
  padding: .3rem .6rem;
  border-radius: 999px;
}

body.gx-open { overflow: hidden; }

/* --- Reduced motion ----------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  .gx-item:hover { transform: none; }
  .gx-link:hover img { transform: none; }
}

/* --- Print -------------------------------------------------------------- */
@media print {
  .gx-lb { display: none !important; }
  .gx-item figcaption { display: none !important; }
  .gx-grid { display: block; }
  .gx-item { break-inside: avoid; box-shadow: none; border: 1px solid #ddd; }
}