/* ==========================================================
   GALLERY
   La estructura vive aquí; los temas sobrescriben tokens.
========================================================== */

.gallery {
  padding: var(--gallery-section-padding) 0;
}

.gallery-header {
  max-width: var(--gallery-header-width);
  margin: 0 auto var(--spacing-2xl);
  text-align: center;
}

.gallery-header .paragraphs {
  max-width: 560px;
  margin: 0 auto;
}

/* ==========================================================
   CARRUSEL
========================================================== */

.gallery-carousel {
  position: relative;
}

.gallery-track {
  display: flex;
  gap: var(--spacing-md);
  overflow-x: auto;
  padding: 2px;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  scrollbar-width: none;
  overscroll-behavior-x: contain;
}

.gallery-track::-webkit-scrollbar {
  display: none;
}

.gallery-slide {
  flex: 0 0 calc((100% - (var(--spacing-md) * 2)) / 3);
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border: var(--gallery-slide-border);
  border-radius: var(--gallery-slide-radius);
  background: var(--gallery-slide-background);
  box-shadow: var(--gallery-slide-shadow);
  scroll-snap-align: start;
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-base);
}

.gallery-slide:hover {
  border-color:
    var(--gallery-slide-hover-border-color);
  box-shadow:
    var(--gallery-slide-hover-shadow);
}

.gallery-item {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.gallery-slide:hover .gallery-item {
  transform: scale(
    var(--gallery-slide-hover-scale)
  );
}

/* ==========================================================
   FLECHAS
========================================================== */

.gallery-arrow {
  position: absolute;
  top: 50%;
  z-index: 2;
  width: var(--gallery-arrow-size);
  height: var(--gallery-arrow-size);
  display: flex;
  align-items: center;
  justify-content: center;
  border: var(--gallery-arrow-border);
  border-radius: var(--gallery-arrow-radius);
  background: var(--gallery-arrow-background);
  color: var(--color-text);
  box-shadow: var(--gallery-arrow-shadow);
  font-size: 1.7rem;
  line-height: 1;
  cursor: pointer;
  transform: translateY(-50%);
  backdrop-filter: blur(8px);
  transition:
    transform var(--transition-base),
    border-color var(--transition-base),
    background-color var(--transition-base);
}

.gallery-arrow:hover:not(:disabled) {
  border-color: var(--color-border-hover);
  background: var(--color-surface-hover);
  transform: translateY(-50%) scale(1.04);
}

.gallery-arrow:disabled {
  opacity: 0.3;
  cursor: default;
}

.gallery-arrow-prev {
  left: -22px;
}

.gallery-arrow-next {
  right: -22px;
}

/* ==========================================================
   PAGINACIÓN
========================================================== */

.gallery-pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 7px;
  margin-top: var(--spacing-lg);
}

.gallery-dot {
  width: 7px;
  height: 7px;
  padding: 0;
  border: 0;
  border-radius: var(--radius-full);
  background: var(--gallery-dot-color);
  opacity: 0.35;
  cursor: pointer;
  transition:
    width var(--transition-base),
    opacity var(--transition-base),
    background-color var(--transition-base);
}

.gallery-dot.active {
  width: 22px;
  opacity: 1;
  background: var(--gallery-dot-active-color);
}

/* ==========================================================
   RESPONSIVE
========================================================== */

@media (max-width: 900px) {
  .gallery {
    padding: var(--spacing-3xl) 0;
  }

  .gallery-slide {
    flex-basis: calc((100% - var(--spacing-md)) / 2);
  }

  .gallery-arrow-prev {
    left: 8px;
  }

  .gallery-arrow-next {
    right: 8px;
  }
}

@media (max-width: 650px) {
  .gallery {
    padding: var(--spacing-2xl) 0;
  }

  .gallery-header {
    margin-bottom: var(--spacing-xl);
  }

  .gallery-track {
    gap: var(--spacing-sm);
    padding-right: 12%;
  }

  .gallery-slide {
    flex-basis: 88%;
  }

  .gallery-arrow {
    display: none;
  }

  .gallery-pagination {
    margin-top: var(--spacing-md);
  }
}

@media (max-width: 480px) {
  .gallery {
    padding: var(--spacing-xl) 0;
  }

  .gallery-slide {
    flex-basis: 92%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .gallery-track {
    scroll-behavior: auto;
  }

  .gallery-item,
  .gallery-slide,
  .gallery-arrow,
  .gallery-dot {
    transition: none;
  }

  .gallery-slide:hover .gallery-item {
    transform: none;
  }
}

.gallery-arrow[hidden],
.gallery-pagination[hidden] {
  display: none !important;
}