A highly detailed portrait of a mechanical Supergirl with a focus on intricate facial features and realistic lighting. Her mechanical attributes include metal limbs with ornamental detailing, showing the fusion of cold metallic and Egyptian-inspired designs. The image is rendered using global illumination, casting dynamic shadows to highlight her features, with neon elements and glowing eyes that face the camera. Her neck connects to mechanical cervical attachments, showing wires and cables intertwining into her head. Blood vessels are visible through transparent tubes, adding a touch of humanity to her mechanical appearance. The overall scene features 8k ultra-sharp quality, emphasizing every detail and texture. The artwork trends on CGSociety, showcasing a high level of craftsmanship.