fix: Chevron groesser (100px), deckt Hero-Video-Rand sauber ab

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

vorschau/index.html

@@ -109,7 +109,7 @@ n    <!-- Chevron: Hero -> Problem -->
 
     <!-- Chevron: Hero -> Problem -->
     <div class="divider divider-chevron-into-hero">
-        <svg viewBox="0 0 1440 60" preserveAspectRatio="none"><path d="M0,60 L720,0 L1440,60 L1440,60 L0,60 Z" fill="#0A1832"/></svg>
+        <svg viewBox="0 0 1440 100" preserveAspectRatio="none"><path d="M0,100 L720,0 L1440,100 Z" fill="#0A1832"/></svg>
     </div>
 
     <!-- Problem Statement (dark) -->