UI: Reduce header image height to approx 40% of original (240px) keeping top part

src/mcp_server/server.py

@@ -285,10 +285,10 @@ with gr.Blocks(title="MCePtion") as demo:
         # En local : lien local via Gradio
         _header_image_url = "/file=assets/images/header_bg.jpeg"
 
-    # Bandeau haut (Image croppée à 50% de hauteur)
+    # Bandeau haut (Image croppée pour ne garder que le haut, env. 40% de l'original)
     gr.HTML(f"""
-    <div style="width: 100%; overflow: hidden; margin-bottom: 20px;">
-        <img src="{_header_image_url}" style="width: 100%; display: block; border-radius: 8px;" alt="MCePtion Header">
+    <div style="width: 100%; height: 240px; overflow: hidden; margin-bottom: 20px; border-radius: 8px;">
+        <img src="{_header_image_url}" style="width: 100%; height: 100%; object-fit: cover; object-position: top;" alt="MCePtion Header">
     </div>
     """)
     gr.Markdown("# 🏭 MCEPTION is the MCP of your MCPs")