upodate game start and blur on pause

src/graphics/renderers/GameRenderer.h

@@ -25,10 +25,26 @@ public:
         float logicalH,
         float logicalScale,
         float winW,
+        float winH
+    );
+
+    // Render the pause overlay (full screen)
+    static void renderPauseOverlay(
+        SDL_Renderer* renderer,
+        FontAtlas* pixelFont,
+        float winW,
         float winH,
-        bool showExitConfirmPopup,
-        int exitPopupSelectedButton = 1,  // 0=YES, 1=NO
-        bool suppressPauseVisuals = false
+        float logicalScale
+    );
+
+    // Render the exit confirmation popup
+    static void renderExitPopup(
+        SDL_Renderer* renderer,
+        FontAtlas* pixelFont,
+        float winW,
+        float winH,
+        float logicalScale,
+        int selectedButton
     );
 
 private: