/**
 * Component: Gallery
 * ==================
 * Galerie photos responsive avec lightbox
 */

.gallery {
  padding-block: var(--section-padding);
  background-color: var(--color-bg);
}

.gallery__container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-inline: var(--container-padding);
}

/* Header */
.gallery__header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.gallery__subtitle {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.gallery__title {
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  color: var(--color-primary);
}

/* Grid */
.gallery__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-md);
}

/* Item */
.gallery__item {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: var(--radius-md);
  cursor: pointer;
  background-color: var(--color-bg-alt);
}

.gallery__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow) var(--ease-out);
}

.gallery__item:hover .gallery__image {
  transform: scale(1.05);
}

/* Overlay au hover */
.gallery__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    to top,
    rgba(0, 0, 0, 0.7) 0%,
    rgba(0, 0, 0, 0) 50%
  );
  opacity: 0;
  transition: opacity var(--transition-base);
  display: flex;
  align-items: flex-end;
  padding: var(--space-md);
}

.gallery__item:hover .gallery__overlay {
  opacity: 1;
}

.gallery__caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
  color: white;
  padding: 1.5rem 1rem 1rem;
  font-size: 0.95rem;
  font-weight: 500;
  text-align: center;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.3s ease;
}

.gallery__item:hover .gallery__caption {
  opacity: 1;
  transform: translateY(0);
}

/* Icône zoom */
.gallery__zoom-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
}

.gallery__item:hover .gallery__zoom-icon {
  opacity: 1;
}

.gallery__zoom-icon svg {
  width: 24px;
  height: 24px;
  color: var(--color-primary);
}

/* ========================================
   LIGHTBOX (Modal)
   ======================================== */

.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.95);
  z-index: var(--z-modal);
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
}

.lightbox.active {
  display: flex;
}

.lightbox__content {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  animation: zoomIn 0.3s var(--ease-out);
}

@keyframes zoomIn {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.lightbox__image {
  max-width: 100%;
  max-height: 90vh;
  object-fit: contain;
  border-radius: var(--radius-md);
}

/* Boutons navigation */
.lightbox__close,
.lightbox__prev,
.lightbox__next {
  position: absolute;
  background: rgba(255, 255, 255, 0.1);
  border: 2px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: var(--color-white);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-base);
  z-index: 1;
}

.lightbox__close:hover,
.lightbox__prev:hover,
.lightbox__next:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.5);
  transform: scale(1.1);
}

.lightbox__close {
  top: var(--space-md);
  right: var(--space-md);
}

.lightbox__prev {
  left: var(--space-md);
  top: 50%;
  transform: translateY(-50%);
}

.lightbox__next {
  right: var(--space-md);
  top: 50%;
  transform: translateY(-50%);
}

.lightbox__prev:hover {
  transform: translateY(-50%) scale(1.1);
}

.lightbox__next:hover {
  transform: translateY(-50%) scale(1.1);
}

/* Caption dans lightbox */
.lightbox__caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-md);
  background: linear-gradient(
    to top,
    rgba(0, 0, 0, 0.8),
    transparent
  );
  color: var(--color-white);
  text-align: center;
  font-size: var(--text-base);
}

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

@media (max-width: 768px) {
  .gallery__grid {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }

  .gallery__caption {
    font-size: 0.85rem;
    padding: 1rem 0.75rem 0.75rem;
  }

  .lightbox__prev,
  .lightbox__next {
    width: 40px;
    height: 40px;
  }

  .lightbox__close {
    top: var(--space-sm);
    right: var(--space-sm);
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .gallery__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1025px) {
  .gallery__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ========================================
   ANIMATIONS SCROLL REVEAL
   ======================================== */

.gallery__item {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s var(--ease-out);
}

.gallery__item.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Délais échelonnés */
.gallery__item:nth-child(1) { transition-delay: 0.1s; }
.gallery__item:nth-child(2) { transition-delay: 0.2s; }
.gallery__item:nth-child(3) { transition-delay: 0.3s; }
.gallery__item:nth-child(4) { transition-delay: 0.1s; }
.gallery__item:nth-child(5) { transition-delay: 0.2s; }
.gallery__item:nth-child(6) { transition-delay: 0.3s; }

/* ========================================
   PRINT
   ======================================== */

@media print {
  .gallery__grid {
    display: block;
  }

  .gallery__item {
    page-break-inside: avoid;
    margin-bottom: var(--space-md);
  }

  .gallery__overlay,
  .gallery__zoom-icon {
    display: none;
  }
}