Ultra-realistic studio portrait with cyan rim lighting

Use uploaded image ONLY as face/identity reference; preserve recognizable facial structure, natural hairstyle, facial hair if present, age, gender, proportions and identity exactly. Ultra-realistic premium cinematic studio portrait, vertical 4:5, framing lower chest-up with both shoulders, full hair shape and space below chest; subject slightly low with clean headroom, face slightly left of center, right shoulder extending lower-right. Torso subtly angled image-right, head gently turned back to camera in natural three-quarter pose, slight low-angle perspective, direct eye contact, calm neutral confident expression, relaxed eyes/jaw, closed lips. Plain matte black polo with fine texture, natural folds and structured collar. Thin delicate silver oval-round glasses, clear lenses, narrow bridge, slim temples, subtle reflections. Large soft warm peach-golden key from image-left/front; saturated electric cyan rim from image-right/back along right hair, temple, ear, cheek, jaw, neck and shoulder only. Preserve warm/cyan separation, deeper soft shadows on central face, lower-right cheek, jaw underside, chin, neck and collar, realistic pores and imperfections. Background: smooth saturated diagonal gradient from deep midnight navy upper-left to dark royal blue and luminous electric cyan-aqua behind/below right head, neck and shoulder, fading upward into petrol blue/navy. 85mm, shallow DOF, crisp eyes, soft shoulder falloff, HDR, premium editorial grading, realistic contrast, 8K. No frontal ID pose, excessive centering, weak glow, flat teal/gray-green background, washed skin, cyan face wash, harsh light, plastic/oversharpened skin, smile, thick/rectangular glasses, text, logos, watermark.