A highly detailed half-human, half-cyborg portrait, where the left side of the face is a realistic human woman with soft features and expressive eyes, and the right side is a futuristic cyborg with intricate mechanical components. The transition between the human and robotic elements is seamless, with delicate wiring and metallic textures. The background is a smooth, neutral gray that contrasts with the subject, focusing attention on the facial features and cybernetic details. Photorealistic rendering, high contrast lighting, sharp detail, cinematic composition --ar 2:3