A detailed portrait of a fluffy and furry Border Collie puppy sitting behind a rain-streaked window. The dog's fur reflects soft golden light from behind, creating a warm glow. Its expression is intelligent and curious, with sharp, bright eyes focused forward. The background features a blurred amber and orange hue, evoking the feeling of a sunset. Raindrops are visible on the window, creating streaks that add to the atmospheric, rainy-day mood.