Create a visually stunning 8K resolution 3D double exposure artwork featuring an intricately detailed cat's paw on a transparent background. Inside the cat's paw, depict a scene of a black cat in a Halloween setting. Make sure the moon shines brightly in the sky behind the cat, illuminating the scene with a soft glow. Capture the beauty and grace of the cat in contrast to the paw, showing the details of both the paw and the natural scene. The overall composition should be very detailed and impressive, emphasizing the harmony between the cat and the Halloween scene