Build a feature comparison table from CSV. First column is feature name, remaining columns are product tiers.
<table class="comparison">
<thead><tr><th>Feature</th><th>Free</th><th>Pro</th><th>Enterprise</th></tr></thead>
<tbody>
<tr><td>Users</td><td>10</td><td>100</td><td>Unlimited</td></tr>
<tr><td>Support</td><td>Email</td><td>Priority</td><td>Dedicated</td></tr>
<tr><td>SSO</td><td>–</td><td>–</td><td>✓</td></tr>
<tr><td>Audit logs</td><td>–</td><td>✓</td><td>✓</td></tr>
</tbody>
</table>