new background image

src/states/MenuState.h

@@ -17,9 +17,11 @@ public:
     void renderMainButtonTop(SDL_Renderer* renderer, float logicalScale, SDL_Rect logicalVP);
     // Show or hide the inline HELP panel (menu-style)
     void showHelpPanel(bool show);
+    // Show or hide the inline ABOUT panel (menu-style)
+    void showAboutPanel(bool show);
     
 private:
-    int selectedButton = 0; // 0 = PLAY, 1 = LEVEL, 2 = OPTIONS, 3 = HELP, 4 = EXIT
+    int selectedButton = 0; // 0 = PLAY, 1 = LEVEL, 2 = OPTIONS, 3 = HELP, 4 = ABOUT, 5 = EXIT
     
     // Button icons (optional - will use text if nullptr)
     SDL_Texture* playIcon = nullptr;
@@ -85,4 +87,11 @@ private:
     double helpTransitionDurationMs = 360.0;
     int helpDirection = 1; // 1 show, -1 hide
     double helpScroll = 0.0; // vertical scroll offset for content
+
+    // About submenu (inline HUD like Help)
+    bool aboutPanelVisible = false;
+    bool aboutPanelAnimating = false;
+    double aboutTransition = 0.0; // 0..1
+    double aboutTransitionDurationMs = 360.0;
+    int aboutDirection = 1; // 1 show, -1 hide
 };