                 <li><strong>Works Offline (after load):</strong> Once assets load, you can continue comparing without a network connection.</li>
                </ul>
            </div>

            <!-- How to use -->
            <div class="content-block">
                <h3>How to use the Compare PDFs tool</h3>
                <ol>
                    <li><strong>Step 1:</strong> Drag and drop <em>exactly two</em> PDF files into the upload area, or click to select them.</li>
                    <li><st