"category-buttons">
        <button class="category-btn active" onclick="filterProjects('all')">
          All
        </button>
        <button class="category-btn" onclick="filterProjects('Web App')">
          Web App
        </button>
        <button class="category-btn" onclick="filterProjects('Static')">
          Static
        </button>
        <button class="category-btn" onclick="filterProjects('API')">
          API
        </button>
        <button class="category-btn" onclick="filterProjects('B