/* ==========================================================================
   REVA PHOENIX — PREMIUM CORPORATE GALLERY STYLESHEET
   Light Engineering Aesthetic: White/Slate Base, Precision Blue Accents, Orange Highlights
   ========================================================================== */

:root {
  --gal-bg-body: #F8FAFC;
  --gal-bg-surface: #FFFFFF;
  --gal-bg-surface-alt: #F1F5F9;
  --gal-bg-subtle: #E2E8F0;
  --gal-border: #E2E8F0;
  --gal-border-light: #F1F5F9;
  --gal-border-hover: #2563EB;
  
  --gal-text-primary: #0F172A;
  --gal-text-secondary: #334155;
  --gal-text-muted: #64748B;
  
  --gal-blue-primary: #1E40AF;
  --gal-blue-accent: #2563EB;
  --gal-blue-light: #EFF6FF;
  --gal-blue-subtle: rgba(37, 99, 235, 0.08);
  --gal-blue-border: rgba(37, 99, 235, 0.25);
  
  --gal-orange: #F47A3C;
  --gal-orange-subtle: rgba(244, 122, 60, 0.08);
  --gal-orange-border: rgba(244, 122, 60, 0.35);
  
  --gal-shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
  --gal-shadow-md: 0 4px 14px rgba(15, 23, 42, 0.08);
  --gal-shadow-lg: 0 12px 28px rgba(15, 23, 42, 0.12);
  --gal-shadow-hover: 0 14px 32px rgba(37, 99, 235, 0.12), 0 2px 6px rgba(15, 23, 42, 0.06);
}

/* Page Body Styling */
body.gallery-page {
  background-color: var(--gal-bg-body);
  color: var(--gal-text-primary);
  font-family: var(--font-body);
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

/* Header Adjustments for Gallery */
.gallery-page .site-header {
  background: rgba(18, 17, 21, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

/* Gallery Hero Banner */
.gallery-hero {
  position: relative;
  background: linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
  border-bottom: 1px solid var(--gal-border);
  padding: 130px 0 45px 0;
}

.gallery-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--gal-blue-accent) 0%, var(--gal-orange) 100%);
}

.gallery-hero-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
}

.gallery-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-family: var(--font-technical);
  color: var(--gal-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}

.gallery-breadcrumb a {
  color: var(--gal-blue-accent);
  text-decoration: none;
  transition: color 0.2s ease;
}

.gallery-breadcrumb a:hover {
  color: var(--gal-orange);
}

.gallery-badge-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.gallery-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  background: var(--gal-blue-light);
  border: 1px solid var(--gal-blue-border);
  color: var(--gal-blue-primary);
  font-family: var(--font-technical);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: 4px;
}

.gallery-badge-orange {
  background: var(--gal-orange-subtle);
  border-color: var(--gal-orange-border);
  color: #C2410C;
}

.gallery-hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--gal-text-primary);
  letter-spacing: -0.02em;
  margin: 0 0 16px 0;
}

.gallery-hero-title span.accent-blue {
  color: var(--gal-blue-accent);
}

.gallery-hero-desc {
  font-size: clamp(1rem, 1.2vw, 1.15rem);
  line-height: 1.65;
  color: var(--gal-text-secondary);
  width: 100%;
  max-width: 100%;
  margin: 0 0 24px 0;
  overflow-wrap: break-word;
  word-wrap: break-word;
}

/* Stats / Highlights Bar */
.gallery-metrics-bar {
  display: flex;
  align-items: center;
  gap: 32px;
  padding-top: 18px;
  border-top: 1px solid var(--gal-border);
  flex-wrap: wrap;
}

.gal-metric {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.gal-metric-val {
  font-family: var(--font-technical);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--gal-text-primary);
}

.gal-metric-val.blue {
  color: var(--gal-blue-accent);
}

.gal-metric-val.orange {
  color: var(--gal-orange);
}

.gal-metric-lbl {
  font-size: 0.85rem;
  color: var(--gal-text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* Sticky Filter & Tab Navigation */
.gallery-nav-bar {
  position: sticky;
  top: 72px;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gal-border);
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.03);
  padding: 10px 0;
}

.gallery-nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  overflow-x: auto;
  scrollbar-width: none;
}

.gallery-nav-container::-webkit-scrollbar {
  display: none;
}

.gallery-tabs {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.gal-tab-btn {
  appearance: none;
  background: transparent;
  border: 1px solid transparent;
  padding: 8px 16px;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gal-text-secondary);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.gal-tab-btn:hover {
  background: var(--gal-bg-subtle);
  color: var(--gal-text-primary);
}

.gal-tab-btn.active {
  background: var(--gal-blue-primary);
  color: #FFFFFF;
  border-color: var(--gal-blue-primary);
  box-shadow: 0 2px 8px rgba(30, 64, 175, 0.25);
}

.gal-tab-btn .tab-count {
  font-family: var(--font-technical);
  font-size: 0.75rem;
  padding: 1px 6px;
  border-radius: 10px;
  background: rgba(15, 23, 42, 0.08);
}

.gal-tab-btn.active .tab-count {
  background: rgba(255, 255, 255, 0.25);
  color: #FFFFFF;
}

/* Main Gallery Wrapper */
.gallery-main {
  max-width: 1400px;
  margin: 0 auto;
  padding: 48px 24px 80px 24px;
}

/* Section Header Structure */
.gal-section {
  margin-bottom: 70px;
  scroll-margin-top: 140px;
}

.gal-section-header {
  margin-bottom: 32px;
  position: relative;
}

.gal-section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-technical);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gal-blue-accent);
  margin-bottom: 8px;
}

.gal-section-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 2.8vw, 2.2rem);
  font-weight: 700;
  color: var(--gal-text-primary);
  letter-spacing: -0.01em;
  margin: 0 0 10px 0;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.gal-section-desc {
  font-size: 1rem;
  color: var(--gal-text-secondary);
  line-height: 1.6;
  width: 100%;
  max-width: 100%;
  margin: 0;
  overflow-wrap: break-word;
  word-wrap: break-word;
}

/* ==========================================================================
   SECTION A — REUSABLE PROJECT HEADLINE AND IMAGE COMPONENT
   ========================================================================== */
.projects-container {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  align-items: stretch;
}

.project-showcase-card {
  background: var(--gal-bg-surface);
  border: 1px solid var(--gal-border);
  border-radius: 8px;
  padding: 24px;
  box-shadow: var(--gal-shadow-sm);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
  display: flex;
  flex-direction: column;
}

.project-showcase-card:hover {
  border-color: var(--gal-blue-border);
  box-shadow: var(--gal-shadow-md);
}

/* Project Headline at Top */
.project-headline-wrapper {
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--gal-border-light);
  min-height: 120px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.project-meta-pill {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  gap: 6px;
  font-family: var(--font-technical);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gal-orange);
  background: var(--gal-orange-subtle);
  padding: 4px 10px;
  border-radius: 4px;
  margin-bottom: 12px;
  white-space: normal;
  line-height: 1.35;
  max-width: 100%;
  overflow-wrap: break-word;
}

.project-headline {
  font-family: var(--font-display);
  font-size: clamp(0.92rem, 1.1vw, 1.05rem);
  font-weight: 600;
  color: var(--gal-text-primary);
  line-height: 1.45;
  letter-spacing: -0.01em;
  margin: 0;
  width: 100%;
  max-width: 100%;
  overflow-wrap: break-word;
  word-wrap: break-word;
  white-space: normal;
  text-align: left;
}

/* Project Image directly below */
.project-image-box {
  position: relative;
  border-radius: 6px;
  overflow: hidden;
  background: #0F172A;
  border: 1px solid var(--gal-border);
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: var(--gal-shadow-sm);
  height: 340px;
  width: 100%;
}

.project-image-box img {
  width: 100%;
  height: 100%;
  max-height: 340px;
  object-fit: contain;
  background-color: #0b0f19;
  display: block;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.project-showcase-card:hover .project-image-box img {
  transform: scale(1.02);
}

/* Hover Inspection Indicator */
.project-image-overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.25s ease;
}

.project-image-box:hover .project-image-overlay {
  opacity: 1;
}

.inspect-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(15, 23, 42, 0.9);
  color: #FFFFFF;
  padding: 10px 18px;
  border-radius: 30px;
  font-family: var(--font-technical);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid rgba(255, 255, 255, 0.2);
  transform: translateY(8px);
  transition: transform 0.25s ease;
}

.project-image-box:hover .inspect-badge {
  transform: translateY(0);
}

/* Project Footer Details */
.project-info-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 16px;
  font-size: 0.82rem;
  color: var(--gal-text-muted);
  flex-wrap: wrap;
  gap: 12px;
}

.project-info-footer .client-name {
  font-weight: 600;
  color: var(--gal-text-secondary);
}

.project-action-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--gal-blue-accent);
  font-family: var(--font-technical);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}

.project-action-link:hover {
  color: var(--gal-blue-primary);
  text-decoration: underline;
}

/* ==========================================================================
   SECTION B — ALBUM: FACILITY, LABS & INFRASTRUCTURE (GRID)
   Matches Reference Screenshot: Image on top, Category Title below
   ========================================================================== */
.album-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* Laboratory Card Element */
.lab-card {
  background: var(--gal-bg-surface);
  border: 1px solid var(--gal-border);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--gal-shadow-sm);
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.lab-card:hover {
  transform: translateY(-4px);
  border-color: var(--gal-blue-accent);
  box-shadow: var(--gal-shadow-hover);
}

/* Image Thumbnail Container */
.lab-card-img-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #E2E8F0;
}

.lab-card-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.lab-card:hover .lab-card-img-wrap img {
  transform: scale(1.06);
}

/* Hover Action Button Overlay */
.card-hover-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.6) 0%, transparent 60%);
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
  padding: 12px;
  opacity: 0;
  transition: opacity 0.25s ease;
}

.lab-card:hover .card-hover-overlay {
  opacity: 1;
}

.card-zoom-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.92);
  color: var(--gal-text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  transform: scale(0.85);
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.lab-card:hover .card-zoom-icon {
  transform: scale(1);
}

.card-zoom-icon:hover {
  background: var(--gal-blue-accent);
  color: #FFFFFF;
}

/* Card Body with Category Title below Image */
.lab-card-body {
  padding: 16px 20px;
  background: var(--gal-bg-surface);
  border-top: 1px solid var(--gal-border-light);
  display: flex;
  flex-direction: column;
  justify-content: center;
  flex-grow: 1;
}

.lab-category-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--gal-text-primary);
  margin: 0;
  line-height: 1.35;
  transition: color 0.2s ease;
  width: 100%;
  max-width: 100%;
  overflow-wrap: break-word;
  word-wrap: break-word;
  white-space: normal;
  text-align: left;
}

.lab-card:hover .lab-category-title,
.lab-card:hover .lab-card-meta {
  color: var(--gal-blue-accent);
}

.lab-card-meta {
  margin-top: 3px;
  font-size: 1.05rem;
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--gal-text-primary);
  letter-spacing: -0.01em;
  line-height: 1.35;
  display: block;
  text-align: left;
  transition: color 0.2s ease;
  width: 100%;
  max-width: 100%;
  overflow-wrap: break-word;
  word-wrap: break-word;
  white-space: normal;
}

/* Aspect variations for infrastructure & visits */
.album-grid-3col {
  grid-template-columns: repeat(3, 1fr);
}

.album-grid-wide {
  grid-template-columns: repeat(3, 1fr);
}

/* Empty State / Notice Component */
.gal-empty-state {
  text-align: left;
  padding: 60px 20px;
  background: var(--gal-bg-surface);
  border: 1px dashed var(--gal-border);
  border-radius: 8px;
  color: var(--gal-text-muted);
}

.gal-empty-state svg {
  margin-bottom: 12px;
  color: var(--gal-text-muted);
}

.gal-empty-state p {
  margin: 0;
  font-size: 0.95rem;
}

/* ==========================================================================
   LIGHTBOX OVERRIDES FOR LIGHT / ULTRA-CLEAR PRESENTATION
   ========================================================================== */
.lightbox-modal {
  background: rgba(10, 15, 26, 0.94);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
}

.lightbox-content {
  max-width: 92vw;
  max-height: 90vh;
}

.lightbox-img {
  max-height: 78vh;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.6);
  background: #000000;
}

.lightbox-info-bar {
  margin-top: 16px;
  text-align: left;
  color: #FFFFFF;
}

.lightbox-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 4px;
}

.lightbox-sub {
  font-family: var(--font-technical);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  color: #94A3B8;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.lightbox-counter-badge {
  background: rgba(37, 99, 235, 0.25);
  color: #60A5FA;
  padding: 2px 8px;
  border-radius: 4px;
  border: 1px solid rgba(96, 165, 250, 0.3);
}

/* Lightbox Navigation Buttons */
.lightbox-nav-btn {
  background: rgba(30, 41, 59, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #FFFFFF;
  transition: all 0.2s ease;
}

.lightbox-nav-btn:hover {
  background: var(--gal-blue-accent);
  color: #FFFFFF;
  border-color: var(--gal-blue-accent);
  box-shadow: 0 0 20px rgba(37, 99, 235, 0.5);
}

/* ==========================================================================
   RESPONSIVE BREAKPOINTS
   ========================================================================== */
@media (max-width: 1280px) {
  .album-grid,
  .album-grid-wide {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 992px) {
  .gallery-hero {
    padding-top: 110px;
  }
  
  .projects-container {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  
  .project-headline-wrapper {
    min-height: auto;
  }
  
  .album-grid,
  .album-grid-wide,
  .album-grid-3col {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  
  .project-showcase-card {
    padding: 24px;
  }
  
  .gallery-nav-bar {
    top: 68px;
  }
}

@media (max-width: 640px) {
  .gallery-hero {
    padding-top: 96px;
    padding-bottom: 30px;
  }
  
  .gallery-hero-title {
    font-size: 1.85rem;
  }
  
  .gallery-metrics-bar {
    gap: 16px;
  }
  
  .gal-metric-val {
    font-size: 1.35rem;
  }
  
  .album-grid,
  .album-grid-wide,
  .album-grid-3col {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .project-showcase-card {
    padding: 16px;
  }
  
  .project-headline {
    font-size: 0.92rem;
    line-height: 1.4;
  }
  
  .project-image-box {
    height: 260px;
  }
  
  .project-image-box img {
    max-height: 260px;
  }
  
  .lab-card-body {
    padding: 14px 16px;
  }
  
  .lightbox-close-btn {
    top: 16px;
    right: 16px;
    width: 40px;
    height: 40px;
  }
  
  .lightbox-prev-btn {
    left: 12px;
    width: 40px;
    height: 40px;
  }
  
  .lightbox-next-btn {
    right: 12px;
    width: 40px;
    height: 40px;
  }
}