/* ============================================
   BORTLE CERO — GALERÍA MASONRY HOMEPAGE
   ============================================ */

.bc-galeria {
  background: #080c14;
  border-top: 0.5px solid #1a2840;
  padding: 100px 0 80px;
}

.bc-galeria__header {
  max-width: 1200px;
  margin: 0 auto 48px;
  padding: 0 60px;
}

.bc-galeria__title {
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 500;
  color: #f0f6ff;
  letter-spacing: -0.5px;
  margin: 8px 0 0;
}

/* GRID MASONRY */
.bc-galeria__grid {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 60px;
  columns: 3;
  column-gap: 12px;
}

.bc-galeria__item {
  break-inside: avoid;
  margin-bottom: 12px;
  border-radius: 8px;
  overflow: hidden;
  position: relative;
  cursor: pointer;
}

.bc-galeria__item-img {
  width: 100%;
  background-size: cover;
  background-position: center;
  display: block;
  transition: transform 0.4s ease;
  /* Altura variable para efecto masonry */
  min-height: 200px;
}

/* Alturas variables para el efecto masonry real */
.bc-galeria__item:nth-child(3n+1) .bc-galeria__item-img { padding-bottom: 120%; }
.bc-galeria__item:nth-child(3n+2) .bc-galeria__item-img { padding-bottom: 75%; }
.bc-galeria__item:nth-child(3n+3) .bc-galeria__item-img { padding-bottom: 100%; }
.bc-galeria__item:nth-child(5n)   .bc-galeria__item-img { padding-bottom: 60%; }
.bc-galeria__item:nth-child(7n)   .bc-galeria__item-img { padding-bottom: 140%; }

.bc-galeria__item:hover .bc-galeria__item-img {
  transform: scale(1.03);
}

.bc-galeria__item-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(8,12,20,0.85) 0%,
    transparent 50%
  );
  opacity: 0;
  transition: opacity 0.25s ease;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 16px;
}

.bc-galeria__item:hover .bc-galeria__item-overlay {
  opacity: 1;
}

.bc-galeria__item-caption {
  font-size: 12px;
  font-weight: 300;
  color: #8aa4c0;
  line-height: 1.5;
  margin: 0 0 4px;
}

.bc-galeria__item-title {
  font-size: 13px;
  font-weight: 500;
  color: #f0f6ff;
  letter-spacing: -0.2px;
}

/* FOOTER DE GALERÍA */
.bc-galeria__footer {
  max-width: 1200px;
  margin: 48px auto 0;
  padding: 0 60px;
  text-align: center;
}

/* EMPTY STATE */
.bc-galeria__empty {
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px;
  text-align: center;
  color: #4a6080;
  font-size: 14px;
  font-weight: 300;
}
.bc-galeria__empty strong { color: #7ba8d4; font-weight: 400; }

/* LIGHTBOX */
.bc-lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
  transform: none !important;
  will-change: auto;
}

.bc-lightbox.open {
  display: flex;
}

.bc-lightbox__overlay {
  position: absolute;
  inset: 0;
  background: rgba(8,12,20,0.96);
  cursor: pointer;
}

.bc-lightbox__content {
  position: relative;
  z-index: 1;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  /* Dejar espacio para los botones laterales */
  margin: 0 68px;
}

.bc-lightbox__img {
  max-width: 90vw;
  max-height: 80vh;
  object-fit: contain;
  border-radius: 6px;
  display: block;
}

.bc-lightbox__caption {
  font-size: 13px;
  font-weight: 300;
  color: #8aa4c0;
  text-align: center;
  max-width: 600px;
  margin: 0;
}

.bc-lightbox__close {
  position: absolute;
  top: -40px;
  right: 0;
  background: transparent;
  border: none;
  color: #4a6080;
  font-size: 20px;
  cursor: pointer;
  transition: color 0.15s;
  padding: 4px 8px;
}
.bc-lightbox__close:hover { color: #f0f6ff; }

.bc-lightbox__prev,
.bc-lightbox__next {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(13,22,37,0.85);
  border: 0.5px solid #2a4060;
  color: #7ba8d4;
  font-size: 18px;
  cursor: pointer;
  padding: 14px 18px;
  border-radius: 6px;
  transition: all 0.15s;
  z-index: 10001;
  line-height: 1;
  max-width: 52px;
}

.bc-lightbox__prev { left: 16px; }
.bc-lightbox__next { right: 16px; }

.bc-lightbox__prev:hover,
.bc-lightbox__next:hover {
  background: rgba(123,168,212,0.15);
  border-color: #7ba8d4;
  color: #f0f6ff;
}

/* RESPONSIVE */
@media (max-width: 1024px) {
  .bc-galeria__grid { columns: 2; }
}

@media (max-width: 640px) {
  .bc-galeria { padding: 60px 0; }
  .bc-galeria__header { padding: 0 24px; }
  .bc-galeria__grid   { columns: 2; padding: 0 24px; column-gap: 8px; }
  .bc-galeria__footer { padding: 0 24px; }

  .bc-lightbox__prev,
  .bc-lightbox__next {
    padding: 10px 12px;
    font-size: 16px;
    border-radius: 4px;
    background: rgba(8,12,20,0.9);
  }

  .bc-lightbox__prev { left: 8px; }
  .bc-lightbox__next { right: 8px; }

  .bc-lightbox__content {
    margin: 0 56px;
    max-width: calc(100vw - 112px);
  }

  .bc-lightbox__img {
    max-width: 100%;
    max-height: 70vh;
  }

  .bc-lightbox__caption {
    font-size: 11px;
    max-width: 100%;
    text-align: center;
  }

  .bc-lightbox__close {
    top: -36px;
    right: 0;
    font-size: 18px;
    padding: 6px 10px;
    background: rgba(8,12,20,0.7);
    border-radius: 4px;
  }
}

/* Pantallas muy pequeñas */
@media (max-width: 380px) {
  .bc-lightbox__prev,
  .bc-lightbox__next {
    padding: 8px 10px;
    font-size: 14px;
  }

  .bc-lightbox__prev { left: 4px; }
  .bc-lightbox__next { right: 4px; }

  .bc-lightbox__content {
    margin: 0 44px;
    max-width: calc(100vw - 88px);
  }

  .bc-lightbox__img {
    max-width: 100%;
  }
}

/* ============================================
   LIGHTBOX — Animaciones sutiles
   ============================================ */

/* Keyframes */
@keyframes lb-fadein {
  from { opacity: 0; transform: scale(0.96); }
  to   { opacity: 1; transform: scale(1); }
}

@keyframes lb-fadeout {
  from { opacity: 1; transform: scale(1); }
  to   { opacity: 0; transform: scale(0.97); }
}

/* Estado base — pointer-events desactivados cuando cerrado */
.bc-lightbox {
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.bc-lightbox.open {
  display: flex;
  opacity: 1;
  pointer-events: auto;
}

/* Imagen — animación de entrada/salida */
.bc-lightbox__img {
  opacity: 0;
  transform: scale(0.96);
  transition: none;
}

.bc-lightbox__img.lb-visible {
  animation: lb-fadein 0.25s ease forwards;
}

.bc-lightbox__img.lb-out {
  animation: lb-fadeout 0.15s ease forwards;
}

/* Overlay — fade independiente */
.bc-lightbox__overlay {
  opacity: 0;
  transition: opacity 0.25s ease;
}

.bc-lightbox.open .bc-lightbox__overlay {
  opacity: 1;
}

/* Caption — aparece ligeramente después */
.bc-lightbox__caption {
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.2s ease 0.15s,
              transform 0.2s ease 0.15s;
}

.bc-lightbox.open .bc-lightbox__caption {
  opacity: 1;
  transform: translateY(0);
}

/* Botones prev/next — aparecen con la imagen */
.bc-lightbox__prev,
.bc-lightbox__next {
  opacity: 0;
  transition: opacity 0.2s ease 0.2s,
              background 0.15s ease,
              border-color 0.15s ease,
              color 0.15s ease;
}

.bc-lightbox.open .bc-lightbox__prev,
.bc-lightbox.open .bc-lightbox__next {
  opacity: 1;
}

/* Botón cerrar */
.bc-lightbox__close {
  opacity: 0;
  transition: opacity 0.2s ease 0.1s,
              color 0.15s ease;
}

.bc-lightbox.open .bc-lightbox__close {
  opacity: 1;
}