fix: Gradient-Uebergang nach Unser Versprechen entfernt

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

vorschau/index.html

@@ -344,8 +344,6 @@
         </div>
     </section>
 
-    <!-- Gradient: Trust -> CTA -->
-    <div class="divider divider-gradient-dark-to-base"></div>