/* ============================================================
   gallery.css — Galería de proyectos y Lightbox
   ============================================================ */

/* ─── Contenedor del Carrusel ────────────────────────────────── */
.gallery-carousel-wrapper {
  position: relative;
  margin-top: var(--space-8);
}

/* ─── Navegación del Carrusel ────────────────────────────────── */
.gallery-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-fast);
}

.gallery-nav:hover {
  background: var(--accent);
  color: var(--text-on-accent);
  border-color: var(--accent);
  transform: translateY(-50%) scale(1.05);
}

.gallery-nav:active {
  transform: translateY(-50%) scale(0.95);
}

.gallery-nav--prev { left: -24px; }
.gallery-nav--next { right: -24px; }

@media (max-width: 768px) {
  .gallery-nav {
    width: 40px;
    height: 40px;
  }
  .gallery-nav--prev { left: 8px; }
  .gallery-nav--next { right: 8px; }
}

/* ─── Grid de la Galería (ahora Carrusel) ────────────────────── */
.gallery-grid {
  display: flex;
  gap: var(--space-4);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  padding-bottom: var(--space-4); /* espacio extra para evitar recortes */
  
  /* Ocultar scrollbar nativa para mejor estética */
  scrollbar-width: none; 
}
.gallery-grid::-webkit-scrollbar {
  display: none; 
}

/* ─── Item de la Galería ─────────────────────────────────────── */
.gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  cursor: pointer;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  
  /* Ancho dinámico del item en el carrusel */
  flex: 0 0 calc(33.333% - (var(--space-4) * 2 / 3)); /* 3 items en PC */
  scroll-snap-align: start;
}

@media (max-width: 900px) {
  .gallery-item { flex: 0 0 calc(50% - (var(--space-4) / 2)); } /* 2 items en tablet */
}

@media (max-width: 600px) {
  .gallery-item { flex: 0 0 85vw; } /* 1 item y medio en móvil para sugerir scroll */
}

.gallery-item::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition-base);
  z-index: 1;
}

.gallery-item:hover::before {
  opacity: 1;
}

/* Elemento multimedia (img / video) */
.gallery-media {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

/* Icono superpuesto (play para video) */
.gallery-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.8);
  color: #fff;
  opacity: 0;
  z-index: 2;
  transition: all var(--transition-base);
  pointer-events: none;
}

.gallery-item:hover .gallery-icon {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

/* Texto superpuesto */
.gallery-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-4);
  color: #fff;
  z-index: 2;
  transform: translateY(100%);
  transition: transform var(--transition-base);
}

.gallery-item:hover .gallery-info {
  transform: translateY(0);
}

.gallery-title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0;
}

/* ─── Lightbox (Modal) ───────────────────────────────────────── */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 999999;
  display: flex;
  align-items: center;
  justify-content: center;
  visibility: hidden;
  opacity: 0;
  transition: all var(--transition-base);
}

.lightbox.lightbox--open {
  visibility: visible;
  opacity: 1;
}

.lightbox-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.lightbox-close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  background: transparent;
  color: #fff;
  border: none;
  font-size: 2.5rem;
  line-height: 1;
  cursor: pointer;
  z-index: 2;
  padding: var(--space-2);
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.lightbox-close:hover {
  color: var(--accent);
  transform: scale(1.1);
}

.lightbox-content {
  position: relative;
  z-index: 1;
  max-width: 90vw;
  max-height: 85vh;
  width: auto;
  height: auto;
  display: flex;
  justify-content: center;
  align-items: center;
}

.lightbox-content img,
.lightbox-content video {
  max-width: 100%;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius-sm);
  box-shadow: 0 10px 40px rgba(0,0,0,0.5);
  transform: scale(0.95);
  opacity: 0;
  transition: all var(--transition-base);
  transition-delay: 0.1s;
}

.lightbox.lightbox--open .lightbox-content img,
.lightbox.lightbox--open .lightbox-content video {
  transform: scale(1);
  opacity: 1;
}

/* Navegación del Lightbox */
.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0, 0, 0, 0.5);
  color: #fff;
  border: none;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: all var(--transition-fast);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.lightbox-nav:hover {
  background: var(--accent);
  color: var(--text-on-accent);
  transform: translateY(-50%) scale(1.1);
}

.lightbox-nav:active {
  transform: translateY(-50%) scale(0.95);
}

.lightbox-nav--prev {
  left: var(--space-4);
}

.lightbox-nav--next {
  right: var(--space-4);
}

@media (max-width: 768px) {
  .lightbox-nav {
    width: 40px;
    height: 40px;
  }
  .lightbox-nav svg {
    width: 24px;
    height: 24px;
  }
  .lightbox-nav--prev {
    left: var(--space-2);
  }
  .lightbox-nav--next {
    right: var(--space-2);
  }
}