A photorealistic portrait of a white fluffy Samoyed dog sitting peacefully in fresh snow during a gentle snowfall, photographed with a telephoto lens at f/2.8 for creamy bokeh background, soft natural overcast lighting creating even illumination on white fur, high-key exposure maintaining detail in white tones, captured in the style of professional pet photography by Seth Casteel, shallow depth of field isolating subject from snowy forest backdrop, delicate snowflakes landing on pristine white coat, serene winter wonderland atmosphere with muted blue-grey tones, photorealistic fur texture showing individual strands with natural highlights.