A realistic candid video inside a bright apartment. A tiny puppy walks across a polished floor and suddenly notices its reflection. It cautiously approaches, tilts its head, takes one step backward, then playfully jumps toward the reflection. The puppy becomes increasingly confused and excited, wagging its tail rapidly. A person filming quietly laughs from behind the camera. Natural indoor lighting, realistic puppy behavior, handheld camera movement, imperfect focus, warm everyday atmosphere, genuinely cute spontaneous moment.