diff --git a/frontend/public/favicon.svg b/frontend/public/favicon.svg
index 0fc7cbb..3420a39 100644
--- a/frontend/public/favicon.svg
+++ b/frontend/public/favicon.svg
@@ -1,5 +1,13 @@
 <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 32 32">
   <rect width="32" height="32" rx="6" fill="#282828"/>
-  <path d="M16 5L4 15.5h3V27h7.5v-7h3v7H25V15.5h3L16 5z" fill="#fe8019"/>
-  <rect x="13.5" y="19" width="5" height="8" fill="#282828"/>
+  <!-- Lignes hub -->
+  <line x1="16" y1="15" x2="16" y2="6"  stroke="#fe8019" stroke-width="1.5" stroke-opacity="0.45"/>
+  <line x1="16" y1="15" x2="7"  y2="24" stroke="#fe8019" stroke-width="1.5" stroke-opacity="0.45"/>
+  <line x1="16" y1="15" x2="25" y2="24" stroke="#fe8019" stroke-width="1.5" stroke-opacity="0.45"/>
+  <!-- Nœuds satellites -->
+  <circle cx="16" cy="6"  r="2.5" fill="#d5c4a1"/>
+  <circle cx="7"  cy="24" r="2.5" fill="#d5c4a1"/>
+  <circle cx="25" cy="24" r="2.5" fill="#d5c4a1"/>
+  <!-- Nœud central -->
+  <circle cx="16" cy="15" r="5.5" fill="#fe8019"/>
 </svg>
diff --git a/frontend/public/icons/icon-192.png b/frontend/public/icons/icon-192.png
index 8aadea9..312d935 100644
Binary files a/frontend/public/icons/icon-192.png and b/frontend/public/icons/icon-192.png differ
diff --git a/frontend/public/icons/icon-512.png b/frontend/public/icons/icon-512.png
index e4f1658..9d37653 100644
Binary files a/frontend/public/icons/icon-512.png and b/frontend/public/icons/icon-512.png differ