/* ============================================
   Enhanced Sections - Why Us, Contact, Gallery
   Grand, modern designs
   ============================================ */

/* ===== WHY US SECTION - GRAND DESIGN ===== */
.why-us-section {
  position: relative;
  background: linear-gradient(135deg, #f8fafc 0%, #e0f2fe 100%);
  padding: var(--space-5xl) 0;
  overflow: hidden;
}

.why-us-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(69, 194, 212, 0.1), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.why-us-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--space-3xl);
}

.why-us-header h2 {
  font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
  font-weight: var(--font-bold);
  background: linear-gradient(135deg, var(--text-primary), var(--brand-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-md);
}

.why-us-subtitle {
  font-size: var(--text-xl);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

.why-us-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

@media (min-width: 768px) {
  .why-us-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .why-us-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.why-card {
  background: var(--white);
  border-radius: var(--radius-2xl);
  padding: var(--space-2xl);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05), 0 1px 3px rgba(0, 0, 0, 0.1);
  border: 1px solid var(--gray-100);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  animation: fadeInUp 0.6s ease-out both;
}

.why-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 0;
  background: linear-gradient(180deg, var(--brand-primary), var(--accent));
  transition: height var(--transition-base);
}

.why-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 25px rgba(0, 0, 0, 0.1), 0 10px 10px rgba(0, 0, 0, 0.04);
  border-color: var(--brand-primary);
}

.why-card:hover::before {
  height: 100%;
}

.why-card-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--brand-primary), var(--accent));
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  font-size: var(--text-3xl);
  box-shadow: 0 4px 12px rgba(69, 194, 212, 0.3);
}

.why-card-title {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-md);
}

.why-card-description {
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
}

.why-card-features {
  list-style: none;
  padding: 0;
  margin: 0;
}

.why-card-features li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.why-card-features li::before {
  content: '✓';
  color: var(--brand-primary);
  font-weight: var(--font-bold);
  font-size: var(--text-lg);
}

/* ===== CONTACT SECTION - GRAND DESIGN ===== */
.contact-section {
  position: relative;
  background: linear-gradient(135deg, var(--brand-primary) 0%, var(--accent) 100%);
  padding: var(--space-5xl) 0;
  color: var(--white);
  overflow: hidden;
}

.contact-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="2" fill="rgba(255,255,255,0.1)"/></svg>');
  opacity: 0.3;
  pointer-events: none;
}

.contact-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
  position: relative;
  z-index: 1;
}

.contact-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.contact-header h2 {
  font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
  font-weight: var(--font-bold);
  color: var(--white);
  margin-bottom: var(--space-md);
}

.contact-subtitle {
  font-size: var(--text-xl);
  color: rgba(255, 255, 255, 0.9);
  line-height: var(--leading-relaxed);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
}

@media (min-width: 768px) {
  .contact-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .contact-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.contact-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-2xl);
  padding: var(--space-2xl);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all var(--transition-base);
  text-align: center;
}

.contact-card:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.2);
}

.contact-icon {
  width: 72px;
  height: 72px;
  background: var(--white);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-lg);
  color: var(--brand-primary);
  font-size: var(--text-3xl);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.contact-card-title {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--white);
  margin-bottom: var(--space-md);
}

.contact-card-info {
  font-size: var(--text-lg);
  color: rgba(255, 255, 255, 0.95);
  margin-bottom: var(--space-lg);
  word-break: break-word;
}

.contact-card-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  background: var(--white);
  color: var(--brand-primary);
  border-radius: var(--radius-full);
  font-weight: var(--font-semibold);
  text-decoration: none;
  transition: all var(--transition-base);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.contact-card-link:hover {
  background: var(--gray-50);
  transform: scale(1.05);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
  color: var(--brand-dark);
}

/* ===== ENHANCED GALLERY ===== */
.gallery-section-enhanced {
  background: var(--bg-primary);
  padding: var(--space-5xl) 0;
}

.gallery-header-enhanced {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.gallery-header-enhanced h2 {
  font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
  font-weight: var(--font-bold);
  background: linear-gradient(135deg, var(--text-primary), var(--brand-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-md);
}

.gallery-stats {
  display: flex;
  justify-content: center;
  gap: var(--space-xl);
  margin-bottom: var(--space-2xl);
  flex-wrap: wrap;
}

.gallery-stat {
  text-align: center;
}

.gallery-stat-number {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: var(--brand-primary);
}

.gallery-stat-label {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Category Filters */
.gallery-filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-2xl);
  padding: 0 var(--space-xl);
}

.category-filter {
  padding: var(--space-sm) var(--space-lg);
  background: var(--white);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
}

.category-filter:hover {
  border-color: var(--brand-primary);
  color: var(--brand-primary);
  transform: translateY(-2px);
}

.category-filter.active {
  background: var(--brand-primary);
  border-color: var(--brand-primary);
  color: var(--white);
  box-shadow: 0 4px 12px rgba(69, 194, 212, 0.3);
}

.category-filter .count {
  background: rgba(0, 0, 0, 0.1);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
}

.category-filter.active .count {
  background: rgba(255, 255, 255, 0.2);
}

/* Search Bar */
.gallery-search {
  max-width: 500px;
  margin: 0 auto var(--space-2xl);
  padding: 0 var(--space-xl);
}

.search-input {
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-full);
  font-size: var(--text-base);
  transition: all var(--transition-fast);
}

.search-input:focus {
  outline: none;
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 3px rgba(69, 194, 212, 0.1);
}

/* Gallery Grid */
.gallery-grid-enhanced {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--space-lg);
  padding: 0 var(--space-xl);
  margin-bottom: var(--space-2xl);
}

@media (min-width: 768px) {
  .gallery-grid-enhanced {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .gallery-grid-enhanced {
    grid-template-columns: repeat(4, 1fr);
  }
}

.gallery-item {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--radius-xl);
  overflow: hidden;
  cursor: pointer;
  animation: fadeInUp 0.4s ease-out both;
  background: var(--gray-100);
}

.gallery-media {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.gallery-item:hover .gallery-media {
  transform: scale(1.1);
}

.gallery-item.is-video::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.2);
  pointer-events: none;
}

.video-play-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 2;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.3));
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-base);
}

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

.gallery-icon {
  color: var(--white);
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.3));
}

.gallery-empty {
  text-align: center;
  padding: var(--space-3xl);
  color: var(--text-secondary);
}

/* Pagination */
.gallery-pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-sm);
  padding: 0 var(--space-xl);
}

.page-btn {
  min-width: 40px;
  height: 40px;
  padding: var(--space-xs) var(--space-sm);
  background: var(--white);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-btn:hover:not(:disabled) {
  border-color: var(--brand-primary);
  color: var(--brand-primary);
  transform: translateY(-2px);
}

.page-btn.active {
  background: var(--brand-primary);
  border-color: var(--brand-primary);
  color: var(--white);
}

.page-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.page-ellipsis {
  padding: 0 var(--space-sm);
  color: var(--text-tertiary);
}

/* Lightbox Enhancements */
.lightbox-video {
  max-width: 90vw;
  max-height: 80vh;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-2xl);
}

/* Responsive */
@media (max-width: 768px) {
  .why-us-section,
  .contact-section,
  .gallery-section-enhanced {
    padding: var(--space-3xl) 0;
  }
  
  .gallery-grid-enhanced {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }
}

/* Dark Mode */
[data-theme="dark"] .why-card {
  background: var(--gray-800);
  border-color: var(--gray-700);
}

[data-theme="dark"] .category-filter {
  background: var(--gray-800);
  border-color: var(--gray-700);
}

[data-theme="dark"] .page-btn {
  background: var(--gray-800);
  border-color: var(--gray-700);
}