/* ============================================
   Photos Page - Minimal B&W Gallery
   ============================================ */

/* ---- Photos Hero ---- */
.photos-hero {
  padding: 160px 40px 80px;
  position: relative;
  z-index: 1;
}
.photos-hero .container {
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}
.photos-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}
.photos-subtitle {
  font-size: 1rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

/* Photos page: wider mask than the shared default in style.css */
.hero-bg-effect {
  mask-image: radial-gradient(ellipse 120% 120% at 50% 40%, white 0%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 120% 120% at 50% 40%, white 0%, transparent 100%);
}

/* ---- Series Quick Nav ---- */
.series-nav {
  position: sticky;
  top: 60px;
  z-index: 50;
  padding: 18px 40px;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.series-nav .container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}
.series-nav-link {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: color var(--transition);
  cursor: pointer;
}
.series-nav-link:hover { color: var(--text-secondary); }
.series-nav-link.active { color: var(--text-primary); }
.series-nav-divider {
  color: var(--text-muted);
  opacity: 0.4;
  font-size: 0.75rem;
}
.series-nav-more {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  opacity: 0.5;
}

/* ---- Series Section ---- */
.series-section {
  padding: 80px 40px 40px;
  position: relative;
  z-index: 1;
}
.series-section .container { max-width: 1200px; margin: 0 auto; }
.series-section + .series-section { padding-top: 40px; }

.series-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}
.series-header-left {
  display: flex;
  align-items: flex-end;
  gap: 0;
}
.series-title-block { display: flex; flex-direction: column; gap: 4px; }
.series-name {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1;
}
.series-meta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.series-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  max-width: 340px;
  text-align: right;
  line-height: 1.6;
  padding-bottom: 6px;
}

/* ---- Gallery Grid ---- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  aspect-ratio: 3/4;
  background: var(--bg-card);
  cursor: pointer;
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.gallery-item:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(70%) contrast(1.05);
  transition: filter var(--transition), transform 0.6s ease;
}
.gallery-item:hover img {
  filter: grayscale(30%) contrast(1.05);
  transform: scale(1.04);
}

/* Overlay */
.gallery-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 28px 24px;
  background: linear-gradient(to top, rgba(10,10,10,0.85) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
}
.gallery-item:hover .gallery-overlay { opacity: 1; }

.gallery-number {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.12em;
  margin-bottom: 6px;
}
.gallery-overlay h3 {
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 4px;
}
.gallery-overlay p {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  letter-spacing: 0.03em;
}

/* Placeholder slot */
.gallery-placeholder {
  background: var(--bg-card);
  border-style: dashed;
}
.gallery-empty {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  gap: 8px;
  transition: all var(--transition);
}
.gallery-empty span {
  font-size: 2rem;
  font-weight: 200;
  line-height: 1;
}
.gallery-empty small {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.gallery-item:hover .gallery-empty span,
.gallery-item:hover .gallery-empty small { color: var(--text-secondary); }

/* ---- Lightbox ---- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(5, 5, 5, 0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}
.lightbox.active {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-content {
  max-width: 85vw;
  max-height: 85vh;
  position: relative;
}
.lightbox-content img {
  max-width: 85vw;
  max-height: 85vh;
  object-fit: contain;
  filter: grayscale(50%);
  transition: filter 0.5s ease;
  box-shadow: 0 24px 80px rgba(0,0,0,0.5);
}
.lightbox.active .lightbox-content img { filter: grayscale(0%); }

.lightbox-close {
  position: absolute;
  top: 32px; right: 36px;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 2rem;
  z-index: 10;
  opacity: 0.5;
  transition: opacity var(--transition);
  cursor: pointer;
}
.lightbox-close:hover { opacity: 1; }

.lightbox-prev, .lightbox-next {
  position: absolute;
  top: 50%; transform: translateY(-50%);
  background: none;
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-size: 1.8rem;
  padding: 16px 14px;
  opacity: 0.4;
  transition: opacity var(--transition), border-color var(--transition);
  cursor: pointer;
}
.lightbox-prev:hover, .lightbox-next:hover {
  opacity: 1;
  border-color: var(--border-hover);
}
.lightbox-prev { left: 24px; }
.lightbox-next { right: 24px; }

.lightbox-info {
  position: absolute;
  bottom: 32px;
  left: 0; right: 0;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.lightbox-title {
  font-size: 0.88rem;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
}
.lightbox-counter {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .photos-hero { padding: 120px 24px 48px; }
  .series-nav { padding: 14px 24px; top: 56px; }
  .series-nav .container { gap: 10px; }
  .series-section { padding: 56px 24px 32px; }
  .series-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }
  .series-desc { text-align: left; max-width: 100%; }
  .gallery-grid {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 8px;
  }
  .gallery-overlay { padding: 18px 16px; }
  .lightbox-prev, .lightbox-next { padding: 12px 10px; font-size: 1.4rem; }
  .lightbox-close { top: 20px; right: 22px; }
}