A professional portrait of a woman in golden hour sunlight with long auburn hair, wearing a mustard yellow off-shoulder top, photographed in soft natural light coming from a large window creating Rembrandt lighting patterns, shot with an 85mm f/1.2 lens wide open for ultra-shallow depth of field and creamy bokeh, warm color temperature around 5500K, professional fashion photography style reminiscent of Mario Testino's portraiture, high-resolution medium format camera aesthetic, soft skin tones with subtle film grain.