/* ==========================================================================
   DURGA INFRASTRUCTURE ENGINEERING PRIVATE LIMITED - Projects & Gallery Styles (projects.css)
   ========================================================================== */

/* 1. CONTRACTS BOARD */
.project-card {
  border-left: 4px solid var(--accent);
}

.project-card:nth-child(even) {
  border-left-color: var(--accent-secondary);
}

.project-card h4 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.project-card p {
  font-size: 0.95rem;
  line-height: 1.5;
  margin-bottom: 1rem;
}

.project-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.project-cost {
  font-family: var(--font-headings);
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--accent);
}

/* 2. GALLERY FILTER TABS */
.gallery-filters {
  display: flex;
  justify-content: center;
  gap: 0.8rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.filter-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass);
  color: var(--text-muted);
  padding: 0.6rem 1.2rem;
  border-radius: 30px;
  cursor: pointer;
  font-family: var(--font-headings);
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--transition);
}

.filter-btn.active, .filter-btn:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--text-dark);
  box-shadow: var(--shadow-glow);
}

.filter-btn[data-filter="cabling"].active, .filter-btn[data-filter="cabling"]:hover {
  background: var(--accent-secondary);
  border-color: var(--accent-secondary);
  color: var(--text-light);
  box-shadow: var(--shadow-glow-blue);
}

/* 3. MASONRY GRID */
.gallery-container {
  max-width: 1200px;
  margin: 0 auto;
}

.masonry-grid {
  display: flex;
  gap: 1.5rem;
  width: 100%;
}

.gallery-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

@keyframes itemAppear {
  from {
    opacity: 0;
    transform: scale(0.96) translateY(15px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.masonry-item {
  border-radius: var(--border-radius);
  overflow: hidden;
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass);
  box-shadow: var(--shadow-card);
  transition: var(--transition-slow);
  cursor: pointer;
  position: relative;
  display: block;
  animation: itemAppear 0.5s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.masonry-item img {
  width: 100%;
  display: block;
  transition: var(--transition-slow);
}

.masonry-item-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, transparent 40%, rgba(7, 14, 30, 0.9));
  opacity: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
  transition: var(--transition);
  z-index: 2;
}

.masonry-item:hover {
  transform: translateY(-5px);
  border-color: var(--border-glass-hover);
  box-shadow: var(--shadow-glow);
}

.masonry-item:hover img {
  transform: scale(1.05);
}

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

.masonry-item-overlay h4 {
  font-size: 1.1rem;
  color: var(--text-light);
  margin-bottom: 0.3rem;
}

.masonry-item-overlay span {
  font-family: var(--font-headings);
  font-weight: 700;
  font-size: 0.75rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* 4. LIGHTBOX MODAL (GLASSMORPHIC BACKDROP) */
.lightbox-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(3, 7, 18, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 10000;
  padding: 2rem;
}

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

.lightbox-content {
  max-width: 900px;
  width: 100%;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  position: relative;
  animation: modalScale 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  display: grid;
  grid-template-columns: 1.4fr 0.6fr;
}

.lightbox-img-pane {
  background: #02040a;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 500px;
  overflow: hidden;
}

.lightbox-img-pane img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.lightbox-info-pane {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.lightbox-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass);
  color: var(--text-light);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.5rem;
  z-index: 10;
  transition: var(--transition);
}

.lightbox-close:hover {
  background: var(--accent);
  color: var(--text-dark);
  box-shadow: var(--shadow-glow);
}

@keyframes modalScale {
  from { transform: scale(0.9); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

/* Responsive fixes for Projects */
@media (max-width: 1024px) {
  .lightbox-content {
    grid-template-columns: 1fr;
  }
  .lightbox-img-pane {
    height: 350px;
  }
  .lightbox-info-pane {
    padding: 1.5rem;
  }
}

@media (max-width: 600px) {
  .lightbox-modal {
    padding: 1rem;
  }
}