/* ============================================
   GÉNÉRATION & CUTZ — Gallery Page Styles
   ============================================ */

/* --- Page Header --- */
.gallery-page-header {
  padding: 160px 0 100px;
  background: var(--black);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.gallery-header-bg {
  position: absolute;
  inset: 0;
  background-image: url('https://images.unsplash.com/photo-1621605815971-fbc98d665033?w=1920&q=80');
  background-size: cover;
  background-position: center;
  opacity: 0.2;
}

.gallery-header-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0,0,0,0.4) 0%, rgba(0,0,0,0.9) 100%);
}

.gallery-header-content {
  position: relative;
  z-index: 1;
}

/* --- Filter Bar --- */
.gallery-filter-bar {
  background: #0a0f0c;
  padding: 28px 0;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
}

.filter-btns {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.filter-btn {
  background: none;
  border: 1px solid rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.55);
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 10px 22px;
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover {
  border-color: var(--light-green);
  color: var(--white);
}

.filter-btn.active {
  background: var(--dark-green);
  border-color: var(--dark-green);
  color: var(--white);
}

/* --- Gallery Section --- */
.gallery-section {
  background: #080d0a;
  padding: 60px 0 80px;
}

/* Masonry-style grid */
.gallery-masonry {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 280px;
  gap: 6px;
}

.gal-item {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  background: var(--dark-green);
}

.gal-item.gal-tall  { grid-row: span 2; }
.gal-item.gal-wide  { grid-column: span 2; }

.gal-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.65s ease;
}

.gal-item:hover img { transform: scale(1.07); }

/* Overlay */
.gal-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.78) 0%, rgba(0,0,0,0) 55%);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-end;
  padding: 24px 28px;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.gal-item:hover .gal-overlay { opacity: 1; }

.gal-label {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 10px;
}

.gal-cta {
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--white);
  border-bottom: 1px solid var(--light-green);
  padding-bottom: 2px;
  transition: var(--transition);
}

.gal-cta:hover { color: var(--light-green); }

/* Hidden items (filtered out) */
.gal-item.hidden {
  display: none;
}

/* --- Placeholder Notice --- */
.placeholder-notice {
  background: #0a0f0c;
  padding: 30px 0;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.notice-box {
  display: flex;
  align-items: center;
  gap: 16px;
  background: rgba(46,66,56,0.3);
  border: 1px solid rgba(211,219,203,0.2);
  border-radius: 2px;
  padding: 20px 28px;
}

.notice-icon {
  font-size: 1.6rem;
  flex-shrink: 0;
}

.notice-box p {
  font-size: 13px;
  opacity: 0.75;
  line-height: 1.6;
}

.notice-box strong {
  color: var(--light-green);
  font-weight: 700;
}

/* --- Lightbox --- */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.95);
  z-index: 9999;
  align-items: center;
  justify-content: center;
}

.lightbox.open {
  display: flex;
}

.lightbox-img-wrap {
  max-width: 90vw;
  max-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-img-wrap img {
  max-width: 100%;
  max-height: 85vh;
  object-fit: contain;
  display: block;
}

.lightbox-close {
  position: absolute;
  top: 24px; right: 30px;
  background: none;
  border: none;
  color: var(--white);
  font-size: 2.5rem;
  cursor: pointer;
  opacity: 0.7;
  transition: var(--transition);
  line-height: 1;
}

.lightbox-close:hover { opacity: 1; }

.lightbox-prev,
.lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  color: var(--white);
  font-size: 1.5rem;
  width: 52px; height: 52px;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.lightbox-prev:hover,
.lightbox-next:hover {
  background: var(--dark-green);
  border-color: var(--dark-green);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .gallery-masonry {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 260px;
  }
  .gal-item.gal-wide { grid-column: span 2; }
}

@media (max-width: 640px) {
  .gallery-masonry {
    grid-template-columns: 1fr 1fr;
    grid-auto-rows: 200px;
  }
  .gal-item.gal-tall  { grid-row: span 1; }
  .gal-item.gal-wide  { grid-column: span 2; }

  .filter-btns { justify-content: center; }

  .lightbox-prev { left: 8px; }
  .lightbox-next { right: 8px; }
}