/* Hero Section */
.hero {
  background: var(--bg-gradient-1);
  color: var(--text-light);
  padding: var(--spacing-3xl) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('../image/hero-bg.jpg') center/cover;
  opacity: 0.2;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-size: var(--font-size-5xl);
  margin-bottom: var(--spacing-lg);
  color: var(--text-light);
}

.hero p {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-xl);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* Cards */
.card {
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  cursor: pointer;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.card-content {
  padding: var(--spacing-lg);
}

.card-title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.card-text {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
}

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  z-index: var(--z-modal-backdrop);
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--transition-base), visibility var(--transition-base);
  padding: var(--spacing-lg);
}

.modal-overlay.show {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.modal-content {
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  max-width: 800px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  position: relative;
}

.modal-close {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  background: none;
  border: none;
  font-size: var(--font-size-2xl);
  color: var(--text-muted);
  cursor: pointer;
  padding: var(--spacing-xs);
  line-height: 1;
}

.modal-close:hover {
  color: var(--text-primary);
}

/* Image Gallery - Masonry */
.masonry-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  grid-auto-flow: dense;
}

.masonry-item {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-base);
  background: var(--bg-secondary);
  position: relative;
  min-height: 200px;
}

.masonry-item:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-xl);
}

.masonry-item img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  min-height: 200px;
}

/* Stats Section */
.stats {
  background: var(--bg-secondary);
  padding: var(--spacing-3xl) 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-xl);
  text-align: center;
}

.stat-item {
  padding: var(--spacing-lg);
}

.stat-number {
  font-size: var(--font-size-5xl);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.stat-label {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
}

/* Timeline */
.timeline {
  position: relative;
  padding: var(--spacing-xl) 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-primary);
  transform: translateX(-50%);
}

.timeline-item {
  display: flex;
  margin-bottom: var(--spacing-2xl);
  position: relative;
}

.timeline-item:nth-child(odd) {
  flex-direction: row;
}

.timeline-item:nth-child(even) {
  flex-direction: row-reverse;
}

.timeline-content {
  flex: 1;
  padding: var(--spacing-lg);
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  margin: 0 var(--spacing-lg);
}

.timeline-dot {
  position: absolute;
  left: 50%;
  top: var(--spacing-lg);
  width: 20px;
  height: 20px;
  background: var(--color-primary);
  border-radius: 50%;
  transform: translateX(-50%);
  border: 4px solid var(--bg-primary);
  z-index: 1;
}

/* Contact Section */
.contact-section {
  background: var(--bg-secondary);
  padding: var(--spacing-3xl) 0;
}

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

.map-container {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.map-container iframe {
  width: 100%;
  height: 400px;
  border: none;
}

/* Fade in animation */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.fade-in-up-active {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1023px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .timeline::before {
    left: 20px;
  }
  
  .timeline-item {
    flex-direction: row !important;
  }
  
  .timeline-content {
    margin-left: var(--spacing-2xl);
    margin-right: 0;
  }
  
  .timeline-dot {
    left: 20px;
  }
}

@media (max-width: 767px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .hero h1 {
    font-size: var(--font-size-3xl);
  }
  
  .hero p {
    font-size: var(--font-size-lg);
  }
}