OC OG card: real OC logo top-left (replace text wordmark); sync og-card.svg source.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

assets/og-card.svg

@@ -3,8 +3,8 @@
   <rect width="1200" height="630" fill="#f5f2ec"/>
   <rect x="0" y="0" width="1200" height="6" fill="#e89b1c"/>
 
-  <!-- wordmark -->
-  <text x="80" y="118" font-family="'DM Sans', system-ui, sans-serif" font-size="29" letter-spacing="7" font-weight="600" fill="#0f1729">OPEN COMMUNICATIONS</text>
+  <!-- logo (real OC mark, top-left) -->
+  <image href="brand/oc-logo.svg" x="80" y="50" width="175" height="62"/>
 
   <!-- eyebrow -->
   <text x="82" y="292" font-family="'DM Sans', system-ui, sans-serif" font-size="22" letter-spacing="4" fill="#7a6f5d">THE HUMAN SIDE OF CHANGE</text>