Realistic portrait of a young man

Create a photorealistic editorial portrait of a young adult man, preserving the subject's exact recognizable facial identity, natural facial anatomy, skin tone, proportions, and distinctive features without reshaping or altering the face. Thick, tousled, naturally wavy black hair with loose strands over the forehead; calm, slightly serious expression, relaxed eyelids, direct gaze, head subtly tilted, shoulders relaxed, body mostly forward. He wears a loose mustard-beige knitted crew-neck sweater with fine texture and a thin silver chain with a small dark pendant. Vertical chest-up framing, centered, medium-close distance, slightly low camera angle, 50mm lens look, shallow depth of field. Warm diffused light from upper front-left creates gentle shadows and smooth falloff. Plain muted olive-brown wall with subtle texture and vignette. Warm earthy grading, muted contrast, soft highlights, natural skin texture, subtle film grain, realistic fabric detail, crisp subject, softly blurred background, premium DSLR realism, 4:5 portrait.