Update app.py

app.py

@@ -27,6 +27,18 @@ with gr.Blocks(css=custom_css) as demo:
         </div>
         """
     )
+    gr.Markdown("""
+        <div style="display: flex; justify-content: center;">
+            <div style="text-align: center; display: inline-block;">
+                <h3 style="font-size: 20px; line-height: 1.8; margin-top: 10px; color: #f0f0f0;">
+                    Secure your communication with the next generation of cryptography.<br>
+                    Generate quantum-safe keys, protect your messages with advanced encryption,<br>
+                    and decode them seamlessly — all in one intuitive space.<br><br>
+                    <em style="font-size: 18px; color: #ffa500;">Where quantum principles meet real-world security.</em>
+                </h3>
+            </div>
+        </div>
+        """)
     # 🧩 Tabs
     get_tab1to3_unified()
     get_tab5_randomness()