A heartwarming portrait of a fluffy golden retriever puppy wearing a bright red baseball cap, shot in soft, natural light. The puppy is sitting attentively, its dark eyes full of innocence and curiosity. The red cap provides a striking contrast to the puppy's golden fur. Focus on capturing the texture of the fur and the puppy's endearing expression. The background is slightly blurred to keep the focus on the subject. Use a shallow depth of field to further emphasize the puppy. Add subtle highlights to the fur to enhance its luster. The overall mood is cheerful and uplifting, capturing the joy and innocence of puppyhood. Shot on a medium format camera with a fast lens, f/2.8, ISO 200, 1/250s, sunny outdoor lighting.
