/* ==========================================================================
   GALLERY & LIGHTBOX STYLES (css/gallery.css)
   The Layer Company — Precision Contemporary Editorial Studio
   ========================================================================== */

/* ── Gallery Hero ── */
.gallery-hero-section {
  position: relative;
  padding-top: calc(var(--header-height) + 2.5rem);
  padding-bottom: 4rem;
  border-bottom: 1px solid var(--border-hairline);
  background-color: var(--bg-primary);
  overflow: hidden;
}

.gallery-hero-inner {
  position: relative;
  z-index: 2;
  width: 100%;
}

.gallery-hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5.2vw, 4.25rem);
  font-weight: 800;
  letter-spacing: -0.038em;
  line-height: 1.05;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
}

.gallery-hero-lead {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 760px;
}

/* ── Filter Toolbar ── */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}

.filter-pill {
  padding: 0.55rem 1.15rem;
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-xs);
  background-color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.02);
}

.filter-pill:hover {
  border-color: var(--accent);
  color: var(--text-primary);
  transform: translateY(-1px);
}

.filter-pill.active {
  background-color: var(--text-primary);
  border-color: var(--text-primary);
  color: #FFFFFF;
  box-shadow: 0 4px 12px rgba(17, 17, 19, 0.18);
}

/* ── Gallery Grid Section ── */
.gallery-section {
  padding-top: 4.5rem;
  padding-bottom: 5.5rem;
  background-color: var(--bg-primary);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-xs);
  overflow: hidden;
  background-color: #FFFFFF;
  border: 1px solid var(--border-hairline);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.02);
}

.gallery-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--accent);
  opacity: 0;
  transition: opacity var(--transition-base);
  z-index: 5;
}

.gallery-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.06);
  border-color: rgba(255, 75, 18, 0.35);
}

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

.gallery-thumb-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background-color: var(--bg-surface-subtle);
}

.gallery-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  display: block;
}

.gallery-item:hover .gallery-thumb {
  transform: scale(1.035);
}

.gallery-zoom-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-xs);
  background-color: rgba(17, 17, 19, 0.88);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity var(--transition-fast), transform var(--transition-fast);
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
  z-index: 4;
}

.gallery-item:hover .gallery-zoom-badge {
  opacity: 1;
  transform: translateY(0);
}

.gallery-caption-bar {
  padding: 1.5rem 1.4rem;
  background-color: #FFFFFF;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  border-top: 1px solid var(--border-hairline);
  flex-grow: 1;
}

.gallery-category-tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
  background-color: var(--accent-subtle);
  align-self: flex-start;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-xs);
  border: 1px solid rgba(255, 75, 18, 0.2);
  margin-bottom: 0.4rem;
}

.gallery-item-title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  line-height: 1.35;
}

.gallery-item-spec {
  font-size: 0.84rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-top: 0.25rem;
}

/* ── Custom Commission Collaborative Banner ── */
.gallery-commission-card {
  position: relative;
  margin-top: 5rem;
  padding: 4rem 3rem;
  background-color: #FFFFFF;
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-xs);
  text-align: center;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.03);
  overflow: hidden;
}


.gallery-commission-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
  margin: 0 auto;
}

.gallery-commission-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-top: 0.75rem;
  margin-bottom: 1rem;
}

.gallery-commission-lead {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 620px;
  margin: 0 auto 2.25rem auto;
  line-height: 1.68;
}

.gallery-commission-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.gallery-commission-reassurance {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-hairline);
}

.gallery-reassurance-item {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-tertiary);
  letter-spacing: 0.04em;
}

.gallery-reassurance-icon {
  color: var(--accent);
  font-weight: 700;
}

/* ==========================================================================
   LIGHTBOX OVERLAY & MODAL
   ========================================================================== */
.lightbox-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background-color: rgba(10, 10, 12, 0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2.5rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.lightbox-modal.active {
  opacity: 1;
  visibility: visible;
}

.lightbox-dialog {
  position: relative;
  max-width: 1080px;
  width: 100%;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox-figure {
  position: relative;
  max-height: 72vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.lightbox-image {
  max-width: 100%;
  max-height: 72vh;
  object-fit: contain;
  border-radius: var(--radius-xs);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

/* Lightbox Metadata Bar */
.lightbox-meta {
  margin-top: 1.5rem;
  width: 100%;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  color: #FFFFFF;
  padding: 1.25rem 1.5rem;
  background-color: rgba(26, 26, 30, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xs);
  backdrop-filter: blur(12px);
}

.lightbox-text-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.lightbox-title {
  font-family: var(--font-sans);
  font-size: 1.4rem;
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.lightbox-details {
  font-size: 0.88rem;
  color: #A3A3B0;
  line-height: 1.5;
}

.lightbox-counter {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  font-weight: 700;
  padding: 0.35rem 0.75rem;
  background-color: rgba(255, 75, 18, 0.12);
  border: 1px solid rgba(255, 75, 18, 0.3);
  border-radius: var(--radius-xs);
}

/* Lightbox Navigation Controls */
.lightbox-close-btn {
  position: fixed;
  top: max(1.5rem, env(safe-area-inset-top, 1.5rem));
  right: max(1.5rem, env(safe-area-inset-right, 1.5rem));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 0.65rem 1.05rem;
  height: 44px;
  min-width: 44px;
  border-radius: var(--radius-xs);
  background-color: rgba(17, 17, 19, 0.78);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.1);
  cursor: pointer;
  transition: all var(--transition-fast);
  z-index: 1010;
  user-select: none;
}

.lightbox-close-key {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.65);
  padding-right: 0.6rem;
  border-right: 1px solid rgba(255, 255, 255, 0.2);
  line-height: 1;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.lightbox-close-btn svg {
  width: 18px;
  height: 18px;
  display: block;
  transition: transform var(--transition-fast);
}

.lightbox-close-btn:hover {
  background-color: var(--accent);
  border-color: var(--accent);
  color: #FFFFFF;
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(255, 75, 18, 0.45);
}

.lightbox-close-btn:hover .lightbox-close-key {
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.35);
}

.lightbox-close-btn:hover svg {
  transform: rotate(90deg);
}

.lightbox-close-btn:active {
  transform: translateY(0) scale(0.96);
}

.lightbox-close-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  box-shadow: 0 0 0 4px rgba(255, 75, 18, 0.25);
}

.lightbox-nav-btn {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: var(--radius-xs);
  background-color: rgba(255, 255, 255, 0.08);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.15);
  cursor: pointer;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
  z-index: 1010;
}

.lightbox-nav-btn:hover {
  background-color: var(--accent);
  border-color: var(--accent);
  transform: translateY(-50%) scale(1.06);
}

.lightbox-prev {
  left: 2rem;
}

.lightbox-next {
  right: 2rem;
}

/* ── Responsive Rules ── */
@media (max-width: 1024px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .lightbox-prev {
    left: 1rem;
  }

  .lightbox-next {
    right: 1rem;
  }
}

@media (max-width: 640px) {
  .gallery-hero-section {
    padding-top: calc(var(--header-height) + 1.5rem);
    padding-bottom: 3rem;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .gallery-commission-card {
    padding: 2.5rem 1.5rem;
    margin-top: 3.5rem;
  }

  .lightbox-modal {
    padding: 1rem;
  }

  .lightbox-nav-btn {
    width: 40px;
    height: 40px;
    bottom: 1.5rem;
    top: auto;
    transform: none;
  }

  .lightbox-close-btn {
    top: max(1rem, env(safe-area-inset-top, 1rem));
    right: max(1rem, env(safe-area-inset-right, 1rem));
    width: 44px;
    height: 44px;
    padding: 0;
  }

  .lightbox-close-key {
    display: none;
  }

  .lightbox-close-btn svg {
    width: 18px;
    height: 18px;
  }

  .lightbox-prev {
    left: 1.5rem;
  }

  .lightbox-next {
    right: 1.5rem;
  }
}