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   </section>
 
   <!-- ─── SLIDE 11 ────────────────────────────────────────────────── -->
-  <section>
-    <h2>Meet the three musketeers of infrastructure.</h2>
+  <section style="text-align:center;">
+    <h2 style="text-align:center;">Meet the three musketeers of infrastructure.</h2>
     <p style="font-size:1.2em; margin-top:1em;">
       <span class="puppet-col">Puppet</span> &nbsp;·&nbsp;
       <span class="ansible-col">Ansible</span> &nbsp;·&nbsp;