.sitemap-grid {
    position: relative;
    min-height: 100vh;
    background: transparent;
    padding: 1rem 0;
    overflow: hidden;
  }
  
  .sitemap-grid::before {
    display: none;
  }
  
  .sitemap-container {
    position: relative;
    z-index: 1;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
  }
  
  .sitemap-header {
    text-align: center;
    margin-bottom: 2rem;
  }
  
  .sitemap-title {
    font-family: var(--font-family);
    font-size: 2.2rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 0.5rem;
    text-shadow: 0 0 15px #ffffff;
  }
  
  .sitemap-subtitle {
    font-family: var(--font-family-secondary);
    font-size: 1rem;
    color: #cccccc;
    margin-bottom: 1.5rem;
  }
  
  .sitemap-grid-layout {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 0.5rem;
    margin-bottom: 1.5rem;
  }
  
  .sitemap-node {
    position: relative;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 0.6rem;
    transition: all var(--transition-base);
    cursor: pointer;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    display: block;
    opacity: 0;
    transform: translateY(20px);
  }
  
  .sitemap-node::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(36, 103, 224, 0.1) 0%, transparent 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
    z-index: 0;
  }
  
  .sitemap-node:hover::before {
    opacity: 0;
  }
  
  .sitemap-node:hover {
    transform: translateY(-1px);
    background: rgba(0, 0, 0, 0.8);
    border-color: rgba(255, 255, 255, 0.2);
  }
  
  /* Lazy loading animation */
  @keyframes fadeInUp {
    from {
      opacity: 0;
      transform: translateY(20px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
  
  /* Intersection Observer classes */
  .sitemap-node.lazy {
    opacity: 0;
    transform: translateY(20px);
    animation: none;
  }
  
  .sitemap-node.lazy.loaded {
    animation: fadeInUp 0.6s ease-out forwards;
  }
  
  /* Показываем только первые несколько блоков сразу */
  .sitemap-node:nth-child(-n+6) {
    opacity: 1;
    transform: translateY(0);
    animation: none;
  }
  
  .sitemap-node-content {
    position: relative;
    z-index: 1;
  }
  
  .node-header {
    display: flex;
    align-items: center;
    margin-bottom: 0.4rem;
  }
  
  .node-icon {
    width: 24px;
    height: 24px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 0.5rem;
    font-size: 0.8rem;
    font-weight: bold;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    background: #000000;
    color: #ffffff;
  }
  
  .node-icon.category {
    background: #000000;
    color: #ffffff;
  }
  
  .node-icon.product {
    background: #000000;
    color: #ffffff;
  }
  
  .node-icon.info {
    background: #000000;
    color: #ffffff;
  }
  
  .node-title {
    font-family: var(--font-family);
    font-size: 0.9rem;
    font-weight: 600;
    color: #ffffff;
    margin: 0;
    line-height: 1.2;
  }
  
  .node-description {
    display: none;
  }
  
  .node-link {
    display: none;
  }
  
  .node-modifications {
    display: none;
  }
  
  .sitemap-section-divider {
    display: flex;
    align-items: center;
    margin: 1.5rem 0 1rem 0;
    grid-column: 1 / -1;
  }
  
  .divider-line {
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, transparent, #333333, transparent);
  }
  
  .divider-text {
    font-family: var(--font-family-secondary);
    font-size: 0.8rem;
    font-weight: 600;
    color: #cccccc;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 0 1rem;
    background: #000000;
    position: relative;
    z-index: 1;
  }
  
  
  @media (max-width: 1199px) {
    .sitemap-container {
      padding: 0 var(--container-padding-sm);
    }
    
    .sitemap-title {
      font-size: 1.6rem;
    }
    
    .sitemap-grid-layout {
      grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
      gap: 0.4rem;
    }
  }
  
  @media (max-width: 768px) {
    .sitemap-container {
      padding: 0 var(--container-padding-xs);
    }
    
    .sitemap-title {
      font-size: 1.4rem;
    }
    
    .sitemap-grid-layout {
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 0.3rem;
    }
    
    .sitemap-node {
      padding: 0.4rem;
    }
    
    .node-title {
      font-size: 0.8rem;
    }
    
    .node-icon {
      width: 20px;
      height: 20px;
      font-size: 0.7rem;
    }
    
    .sitemap-section-divider {
      margin: 1rem 0 0.8rem 0;
    }
    
    .divider-text {
      font-size: 0.7rem;
      padding: 0 0.8rem;
    }
  }
  
  .sitemap-breadcrumbs {
    margin-bottom: 2rem;
  }
  
  .sitemap-breadcrumbs .breadcrumb {
    background: transparent;
    padding: 0;
    margin: 0;
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
  }
  
  .sitemap-breadcrumbs .breadcrumb li {
    display: flex;
    align-items: center;
  }
  
  .sitemap-breadcrumbs .breadcrumb li:not(:last-child)::after {
    content: '›';
    margin: 0 0.5rem;
    color: var(--color-text-secondary);
    font-size: 1.2rem;
  }
  
  .sitemap-breadcrumbs .breadcrumb a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--transition-base);
  }
  
  .sitemap-breadcrumbs .breadcrumb a:hover {
    color: var(--color-accent-hover);
  }
  
.sitemap-breadcrumbs .breadcrumb .current {
  color: var(--color-text-secondary);
}

/* Performance optimizations for lazy loading */
.sitemap-grid-layout {
  contain: layout style paint;
  will-change: transform;
}

.sitemap-node {
  contain: layout style paint;
  will-change: transform, opacity;
}

/* Reduce repaints during animations */
.sitemap-node.lazy {
  will-change: transform, opacity;
}

.sitemap-node.loaded {
  will-change: auto;
}