/**
 * Tierra de Gracia | Estilos de Galería Fotográfica & Visor Lightbox (galeria.html)
 */

/* ==========================================================================
   GRID DE FOTOGRAFÍA GASTRONÓMICA
   ========================================================================== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  cursor: pointer;
  height: 320px;
  background-color: var(--color-surface);
  padding: 0;
  display: block;
  width: 100%;
  text-align: left;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.gallery-item:hover,
.gallery-item:focus-visible {
  transform: translateY(-4px);
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-lg);
}

.gallery-item__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out);
  display: block;
}

.gallery-item:hover .gallery-item__img {
  transform: scale(1.05);
}

.gallery-item__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(18, 15, 13, 0.9) 0%, rgba(18, 15, 13, 0.2) 60%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
  opacity: 0;
  transition: opacity var(--transition-fast);
  color: #FFFFFF;
}

.gallery-item:hover .gallery-item__overlay,
.gallery-item:focus-visible .gallery-item__overlay {
  opacity: 1;
}

.gallery-item__zoom-icon {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  align-self: flex-start;
  background: rgba(255, 255, 255, 0.2);
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
}

.gallery-item__title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: #FFFFFF;
  line-height: 1.25;
}

/* ==========================================================================
   MODAL LIGHTBOX ACCESIBLE (CONTROL POR TECLADO)
   ========================================================================== */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 5000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.lightbox.is-open {
  display: flex;
  opacity: 1;
}

.lightbox__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10, 8, 7, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.lightbox__container {
  position: relative;
  z-index: 1;
  max-width: 960px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox__close {
  position: absolute;
  top: -45px;
  right: 0;
  background: none;
  border: none;
  color: #F7F3EE;
  font-size: 2.25rem;
  cursor: pointer;
  line-height: 1;
  padding: 0.25rem 0.5rem;
  transition: color var(--transition-fast);
}

.lightbox__close:hover {
  color: var(--color-gold);
}

.lightbox__arrow {
  position: absolute;
  top: 45%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #FFFFFF;
  width: 50px;
  height: 50px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  backdrop-filter: blur(8px);
}

.lightbox__arrow:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  transform: translateY(-50%) scale(1.08);
}

.lightbox__arrow--prev {
  left: -70px;
}

.lightbox__arrow--next {
  right: -70px;
}

.lightbox__figure {
  margin: 0;
  text-align: center;
  width: 100%;
}

.lightbox__img {
  max-height: 72vh;
  max-width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.15);
  display: inline-block;
}

.lightbox__caption {
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.6;
  color: #D6CEC5;
  margin-top: 1.25rem;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

@media (max-width: 1024px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .lightbox__arrow--prev { left: 10px; }
  .lightbox__arrow--next { right: 10px; }
}

@media (max-width: 768px) {
  .gallery-grid {
    grid-template-columns: 1fr;
  }
  .gallery-item {
    height: 260px;
  }
  .lightbox {
    padding: 1rem;
  }
}