Rotoscoping style illustration of a {argument name="subject" default="real person"} based on the reference image, preserving exact facial features, pose, and expression, clean hand-drawn outlines, smooth vector-like shading, semi-realistic proportions, subtle color gradients, minimal but accurate background, cinematic lighting, high detail, crisp edges, animation frame aesthetic, inspired by {argument name="animation style" default="classic rotoscope animation techniques"}, 4k quality, sharp focus