/* ============================================================
   911 STUDIO V4 — GALLERY.CSS
   Álbumes tipo contact sheet / editorial
   ============================================================ */

.gallery-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 36px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}
.filter-btn {
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--texto-soft);
  font-weight: 600;
  font-size: .88rem;
  transition: .2s ease;
}
.filter-btn:hover {
  border-color: var(--azul);
  color: var(--azul);
}
.filter-btn.active {
  background: var(--azul);
  border-color: var(--azul);
  color: #fff;
}

.gallery-albums {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
@media (min-width: 768px) {
  .gallery-albums { grid-template-columns: repeat(3, 1fr); gap: 18px; }
}
@media (min-width: 1100px) {
  .gallery-albums { grid-template-columns: repeat(4, 1fr); }
}

.album-card {
  text-align: left;
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}
.album-card-media {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: var(--radius);
  background: #d5dce6;
}
.album-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform .55s var(--ease);
}
.album-card:hover .album-card-media img { transform: scale(1.05); }
.album-card-count {
  position: absolute;
  left: 10px;
  bottom: 10px;
  padding: 6px 9px;
  background: rgba(10,15,26,.78);
  color: #fff;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .04em;
  border-radius: var(--radius);
}
.album-card-body { padding: 12px 2px 4px; }
.album-card-cat {
  display: block;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--azul);
  margin-bottom: 4px;
}
.album-card-title {
  font-family: 'Unbounded', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.album-view { margin-bottom: 24px; }
.album-view-bar {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: flex-start;
  margin-bottom: 22px;
}
.album-back {
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  font-weight: 700;
  font-size: .88rem;
  color: var(--texto);
}
.album-back:hover { border-color: var(--azul); color: var(--azul); }
.album-view-copy h2 {
  font-family: 'Unbounded', sans-serif;
  font-size: clamp(1.4rem, 3vw, 2rem);
  margin-bottom: 4px;
}
.album-view-copy p { color: var(--texto-soft); }

.gallery-masonry {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}
@media (min-width: 768px) {
  .gallery-masonry { grid-template-columns: repeat(3, 1fr); gap: 12px; }
}
@media (min-width: 1024px) {
  .gallery-masonry { grid-template-columns: repeat(4, 1fr); }
}
.gallery-item {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: var(--radius);
  cursor: pointer;
  background: #d5dce6;
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform .4s ease;
}
.gallery-item:hover img { transform: scale(1.04); }
.gallery-item-overlay {
  position: absolute;
  inset: auto 0 0;
  padding: 14px;
  background: linear-gradient(transparent, rgba(10,15,26,.72));
  opacity: 0;
  transition: .25s ease;
}
.gallery-item:hover .gallery-item-overlay { opacity: 1; }
.gallery-item-cat {
  display: block;
  color: var(--amarillo);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.gallery-item-title {
  color: #fff;
  font-size: .9rem;
  font-weight: 600;
}
.gallery-item-expand {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 34px;
  height: 34px;
  border-radius: var(--radius);
  background: rgba(255,255,255,.16);
  display: grid;
  place-items: center;
  opacity: 0;
  transition: .25s ease;
}
.gallery-item:hover .gallery-item-expand { opacity: 1; }
.gallery-item-expand svg { width: 16px; height: 16px; color: #fff; }

.gallery-loader {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 70px 0;
  color: var(--texto-soft);
}
.loader {
  width: 34px;
  height: 34px;
  border: 2px solid rgba(25,92,181,.2);
  border-top-color: var(--azul);
  border-radius: 50%;
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.gallery-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 70px 16px;
  color: var(--texto-soft);
}
.gallery-empty h3 {
  font-family: 'Unbounded', sans-serif;
  color: var(--texto);
  margin-bottom: 8px;
}

.lightbox-overlay {
  position: fixed;
  inset: 0;
  background: rgba(5,8,14,.94);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: .3s ease;
  padding: 20px;
}
.lightbox-overlay.active {
  opacity: 1;
  visibility: visible;
}
.lightbox-container {
  max-width: min(92vw, 1200px);
  max-height: 90vh;
}
.lightbox-img {
  max-width: 100%;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius);
}
.lightbox-close,
.lightbox-prev,
.lightbox-next {
  position: fixed;
  width: 46px;
  height: 46px;
  border-radius: var(--radius);
  background: rgba(255,255,255,.12);
  color: #fff;
  display: grid;
  place-items: center;
  z-index: 10001;
}
.lightbox-close { top: 18px; right: 18px; }
.lightbox-prev { left: 14px; top: 50%; transform: translateY(-50%); }
.lightbox-next { right: 14px; top: 50%; transform: translateY(-50%); }
.lightbox-counter {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,.7);
  font-size: .85rem;
}