fixed error

src/components/interactive-background/interactive-background.ts

@@ -277,7 +277,7 @@ class ParticleEngine {
 export class InteractiveBackground implements AfterViewInit, OnDestroy {
   @ViewChild('canvas', { static: true }) private readonly canvasRef!: ElementRef<HTMLCanvasElement>;
 
-  isCursorVisible = false;
+  isCursorVisible = InteractiveBackground.detectFinePointer();
   isPointerDown = false;
   cursorTransform = 'translate3d(-9999px, -9999px, 0)';
 
@@ -311,8 +311,6 @@ export class InteractiveBackground implements AfterViewInit, OnDestroy {
       }
     }
 
-    this.isCursorVisible = this.getMediaQuery('(pointer: fine)').matches;
-
     const onResize = () => this.resizeCanvas();
     const supportsPointerEvents = 'PointerEvent' in window;
     const onPointerMove = (event: PointerEvent) => this.handlePointerMove(event);
@@ -581,6 +579,14 @@ export class InteractiveBackground implements AfterViewInit, OnDestroy {
       dispatchEvent: () => false,
     };
   }
+
+  private static detectFinePointer(): boolean {
+    if (typeof window === 'undefined' || typeof window.matchMedia !== 'function') {
+      return false;
+    }
+
+    return window.matchMedia('(pointer: fine)').matches;
+  }
 }