Photorealistic CGI Big-Head Caricature Portrait

Photorealistic CGI caricature of the person in the reference photo, exactly preserving clothing, accessories, pose, colors, and overall appearance. Accurately replicate facial features, identity, age cues, skin tone, and likeness, transformed with [slightly oversized head, compact body, and subtly shortened proportions]. Rendered with high-end photoreal CGI human skin shading, natural pores, subtle wrinkles, realistic hair and beard detailing, and authentic fabric materials. Lighting is [clean daylight or studio daylight] casting crisp, natural shadows against a [clean off-white background]. Grounded and believable aesthetic, avoiding cartoon, vinyl, or stylized toy rendering.