diff --git a/src/Background.png b/src/Background.png
new file mode 100644
index 0000000..0822279
Binary files /dev/null and b/src/Background.png differ
diff --git a/src/PSLauncher.App/PSLauncher.App.csproj b/src/PSLauncher.App/PSLauncher.App.csproj
index 96957df..92b02e6 100644
--- a/src/PSLauncher.App/PSLauncher.App.csproj
+++ b/src/PSLauncher.App/PSLauncher.App.csproj
@@ -41,4 +41,9 @@
     <ProjectReference Include="..\PSLauncher.Models\PSLauncher.Models.csproj" />
   </ItemGroup>
 
+  <ItemGroup>
+    <Resource Include="Resources\Background.png" />
+    <Resource Include="Resources\pirulen.otf" />
+  </ItemGroup>
+
 </Project>
diff --git a/src/PSLauncher.App/Resources/Background.png b/src/PSLauncher.App/Resources/Background.png
new file mode 100644
index 0000000..0822279
Binary files /dev/null and b/src/PSLauncher.App/Resources/Background.png differ
diff --git a/src/PSLauncher.App/Resources/Theme.xaml b/src/PSLauncher.App/Resources/Theme.xaml
index a72026f..13addaa 100644
--- a/src/PSLauncher.App/Resources/Theme.xaml
+++ b/src/PSLauncher.App/Resources/Theme.xaml
@@ -4,15 +4,19 @@
 
     <BooleanToVisibilityConverter x:Key="BoolToVisibility" />
 
+    <!-- Custom font Pirulen pour les titres de marque -->
+    <FontFamily x:Key="Font.Brand">pack://application:,,,/Resources/#Pirulen</FontFamily>
+
     <!-- Inverse bool : utilisé pour griser un bouton pendant qu'une opération est en cours -->
     <res:InverseBoolConverter x:Key="InverseBoolToBool" />
 
-    <!-- Epic Games inspired dark palette -->
-    <SolidColorBrush x:Key="Brush.Bg.Window"   Color="#1B1B1F" />
-    <SolidColorBrush x:Key="Brush.Bg.Sidebar"  Color="#202024" />
-    <SolidColorBrush x:Key="Brush.Bg.Card"     Color="#26262B" />
-    <SolidColorBrush x:Key="Brush.Bg.Footer"   Color="#0F0F12" />
-    <SolidColorBrush x:Key="Brush.Border"      Color="#37373D" />
+    <!-- Fond fenêtre : noir pur pour ne pas délaver le bitmap overlay -->
+    <SolidColorBrush x:Key="Brush.Bg.Window"   Color="#000000" />
+    <!-- Cards & sidebar : très légère teinte bleutée pour le contraste -->
+    <SolidColorBrush x:Key="Brush.Bg.Sidebar"  Color="#0E1218" />
+    <SolidColorBrush x:Key="Brush.Bg.Card"     Color="#161B23" />
+    <SolidColorBrush x:Key="Brush.Bg.Footer"   Color="#050709" />
+    <SolidColorBrush x:Key="Brush.Border"      Color="#2A2F3A" />
     <SolidColorBrush x:Key="Brush.Text.Primary"   Color="#F2F2F2" />
     <SolidColorBrush x:Key="Brush.Text.Secondary" Color="#A0A0A8" />
     <SolidColorBrush x:Key="Brush.Accent"      Color="#0078D4" />
diff --git a/src/PSLauncher.App/Resources/pirulen.otf b/src/PSLauncher.App/Resources/pirulen.otf
new file mode 100644
index 0000000..c0e8c8f
Binary files /dev/null and b/src/PSLauncher.App/Resources/pirulen.otf differ
diff --git a/src/PSLauncher.App/Views/MainWindow.xaml b/src/PSLauncher.App/Views/MainWindow.xaml
index de95954..82bd51c 100644
--- a/src/PSLauncher.App/Views/MainWindow.xaml
+++ b/src/PSLauncher.App/Views/MainWindow.xaml
@@ -152,15 +152,30 @@
             <RowDefinition Height="Auto" />
         </Grid.RowDefinitions>
 
+        <!-- Background image (sous tout le reste, ne capte pas la souris) -->
+        <Image Grid.Row="0" Grid.RowSpan="3"
+               Source="pack://application:,,,/Resources/Background.png"
+               Stretch="UniformToFill"
+               Opacity="0.5"
+               IsHitTestVisible="False" />
+
         <!-- Top bar -->
         <Border Grid.Row="0" Background="{StaticResource Brush.Bg.Sidebar}"
                 BorderBrush="{StaticResource Brush.Border}" BorderThickness="0,0,0,1"
                 Padding="20,12">
             <Grid>
-                <TextBlock Text="PROSERVE  Launcher"
-                           FontSize="18" FontWeight="Bold"
-                           Foreground="{StaticResource Brush.Text.Primary}"
-                           VerticalAlignment="Center" />
+                <StackPanel Orientation="Horizontal" VerticalAlignment="Center">
+                    <TextBlock Text="PROSERVE"
+                               FontFamily="{StaticResource Font.Brand}"
+                               FontSize="22"
+                               Foreground="{StaticResource Brush.Text.Primary}"
+                               VerticalAlignment="Center" />
+                    <TextBlock Text="Launcher"
+                               FontSize="14"
+                               Foreground="{StaticResource Brush.Text.Secondary}"
+                               VerticalAlignment="Bottom"
+                               Margin="10,0,0,3" />
+                </StackPanel>
                 <StackPanel HorizontalAlignment="Right" Orientation="Horizontal" VerticalAlignment="Center">
                     <Button Style="{StaticResource SecondaryButton}"
                             Content="🔄  Vérifier les MAJ"
diff --git a/src/pirulen.otf b/src/pirulen.otf
new file mode 100644
index 0000000..c0e8c8f
Binary files /dev/null and b/src/pirulen.otf differ