.sitemap-grid-3col {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 2rem;
      margin-top: 2.5rem;
    }

    .sitemap-group {
      background: var(--bg-card);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border: 1px solid var(--border);
      border-radius: var(--border-radius);
      padding: 2.25rem;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
      transition: var(--transition);
    }

    .sitemap-group:hover {
      border-color: var(--border-hover);
      transform: translateY(-2px);
    }

    .sitemap-group h3 {
      color: var(--accent-light);
      font-size: 1.25rem;
      margin-bottom: 1.25rem;
      border-bottom: 2px solid var(--border);
      padding-bottom: 0.6rem;
      display: flex;
      align-items: center;
      gap: 0.5rem;
      font-family: var(--font-heading);
    }

    .sitemap-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 0.8rem;
      padding: 0;
      margin: 0;
    }

    .sitemap-list li {
      display: flex;
      align-items: flex-start;
      gap: 0.5rem;
      line-height: 1.4;
    }

    .sitemap-list a {
      color: var(--text-secondary);
      font-size: 0.93rem;
      font-weight: 500;
      transition: var(--transition);
      text-decoration: none;
    }

    .sitemap-list a:hover {
      color: var(--text-primary);
      padding-left: 3px;
    }

    .sitemap-bullet {
      color: var(--accent);
      font-weight: 800;
      font-size: 0.85rem;
      flex-shrink: 0;
    }

    .course-split-grid-3col {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.5rem;
      margin-top: 1.5rem;
    }

    @media (max-width: 1100px) {

      .sitemap-grid-3col,
      .course-split-grid-3col {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 720px) {

      .sitemap-grid-3col,
      .course-split-grid-3col {
        grid-template-columns: 1fr;
      }
    }