/* ============================================================
   IMPERDIBLES — galeria.css
   Galería Multimedia Inmersiva Regional (Hito 5)
   ============================================================ */

/* ── SECCIÓN WRAPPER ─────────────────────────────────────── */
.section-galeria {
  background: #0d0d0d;
  padding: 0;
  overflow: hidden;
  position: relative;
}

/* ── HEADER ──────────────────────────────────────────────── */
.galeria-header {
  padding: 56px 0 36px;
  text-align: center;
  position: relative;
  z-index: 2;
}

.galeria-header .seccion-label {
  display: inline-block;
  background: rgba(245, 197, 24, 0.12);
  color: #f5c518;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 5px 18px;
  border-radius: 30px;
  border: 1px solid rgba(245, 197, 24, 0.25);
  margin-bottom: 14px;
}

.galeria-header h2 {
  font-family: 'Playfair Display', serif;
  font-size: 2.2rem;
  color: #fff;
  margin-bottom: 10px;
  line-height: 1.2;
}

.galeria-header p {
  color: rgba(255,255,255,0.45);
  font-size: 0.92rem;
  max-width: 440px;
  margin: 0 auto;
}

/* ── GRID MASONRY (CSS columns) ──────────────────────────── */
.galeria-masonry {
  column-count: 4;
  column-gap: 6px;
  padding: 0 6px 6px;
}

@media (max-width: 1100px) { .galeria-masonry { column-count: 3; } }
@media (max-width: 700px)  { .galeria-masonry { column-count: 2; } }
@media (max-width: 480px)  { .galeria-masonry { column-count: 1; } }

/* ── ITEM DE GALERÍA ─────────────────────────────────────── */
.galeria-item {
  break-inside: avoid;
  margin-bottom: 6px;
  position: relative;
  overflow: hidden;
  border-radius: 6px;
  cursor: pointer;
  display: block;
}

.galeria-item img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              filter 0.4s ease;
  will-change: transform;
}

/* Items especiales — tamaños variables para efecto Masonry real */
.galeria-item.tall img   { min-height: 340px; object-fit: cover; }
.galeria-item.wide img   { min-height: 220px; object-fit: cover; }
.galeria-item.normal img { min-height: 260px; object-fit: cover; }
.galeria-item.short img  { min-height: 180px; object-fit: cover; }

/* ── OVERLAY EN HOVER ────────────────────────────────────── */
.galeria-item-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(0,0,0,0.72) 0%,
    rgba(0,0,0,0.1) 50%,
    transparent 100%
  );
  opacity: 0;
  transition: opacity 0.35s ease;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 18px 16px;
}

.galeria-item:hover .galeria-item-overlay { opacity: 1; }
.galeria-item:hover img {
  transform: scale(1.06);
  filter: brightness(0.85);
}

.galeria-item-titulo {
  font-size: 0.82rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.3;
  margin-bottom: 4px;
  transform: translateY(8px);
  transition: transform 0.3s ease;
}

.galeria-item-municipio {
  font-size: 0.68rem;
  color: rgba(255,255,255,0.65);
  transform: translateY(8px);
  transition: transform 0.35s ease 0.03s;
}

.galeria-item:hover .galeria-item-titulo,
.galeria-item:hover .galeria-item-municipio {
  transform: translateY(0);
}

/* Ícono de lupa */
.galeria-item-zoom {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 0.9rem;
  opacity: 0;
  transform: scale(0.7);
  transition: opacity 0.3s ease, transform 0.3s ease;
}
.galeria-item:hover .galeria-item-zoom {
  opacity: 1;
  transform: scale(1);
}

/* ── LIGHTBOX ────────────────────────────────────────────── */
.galeria-lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.95);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  backdrop-filter: blur(4px);
}

.galeria-lightbox.activo {
  opacity: 1;
  pointer-events: all;
}

.lightbox-inner {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox-img {
  max-width: 90vw;
  max-height: 80vh;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 20px 80px rgba(0,0,0,0.8);
  transition: opacity 0.25s ease;
}

.lightbox-caption {
  margin-top: 16px;
  text-align: center;
}

.lightbox-caption-titulo {
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 4px;
}

.lightbox-caption-municipio {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.5);
}

/* Botón cerrar */
.lightbox-cerrar {
  position: absolute;
  top: -44px;
  right: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff;
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease;
}
.lightbox-cerrar:hover { background: rgba(255,255,255,0.25); }

/* Flechas de navegación */
.lightbox-prev,
.lightbox-next {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff;
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease;
  z-index: 10001;
}
.lightbox-prev { left: 16px; }
.lightbox-next { right: 16px; }
.lightbox-prev:hover,
.lightbox-next:hover { background: rgba(255,255,255,0.22); }

/* Contador de fotos */
.lightbox-contador {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.75rem;
  color: rgba(255,255,255,0.45);
  font-weight: 600;
  letter-spacing: 0.06em;
  z-index: 10001;
}

/* ── VER MÁS ─────────────────────────────────────────────── */
.galeria-ver-mas {
  text-align: center;
  padding: 32px 0 48px;
}

.btn-galeria-ver-mas {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 30px;
  border-radius: 30px;
  border: 1.5px solid rgba(255,255,255,0.2);
  background: transparent;
  color: rgba(255,255,255,0.7);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s ease;
  font-family: inherit;
}
.btn-galeria-ver-mas:hover {
  border-color: #f5c518;
  color: #f5c518;
  background: rgba(245,197,24,0.08);
}

/* ── RESPONSIVE ──────────────────────────────────────────── */
@media (max-width: 600px) {
  .galeria-header { padding: 40px 0 28px; }
  .galeria-header h2 { font-size: 1.6rem; }
  .lightbox-prev { left: 6px; }
  .lightbox-next { right: 6px; }
}