Generate a professional-grade, medium-shot portrait of a compassionate and competent doctor wearing freshly laundered, deep teal medical scrubs. The doctor is standing, facing slightly towards the camera, with a gentle, reassuring smile and eyes that convey warmth and empathy. Their posture is relaxed but attentive, with one hand subtly tucked into a scrub pocket and the other resting at their side. The shot should be captured with a shallow depth of field, using a prime lens (e.g., 85mm equivalent) at f/2.8 to softly blur the background, drawing focus entirely to the subject. The composition is a classic head-and-shoulders crop, with ample headroom, placing the doctor slightly off-center for a dynamic, artistic feel. Lighting is a soft, three-point setup: a broad, diffused key light from the front-left, a subtle fill light from the right to lift shadows, and a gentle rim light originating from behind and above to subtly separate the subject from the background and add a touch of ethereal glow. The color palette is dominated by cool, muted tones – the deep teal of the scrubs, contrasted with soft whites and a very faint, desaturated sage green in the background elements. The overall mood is one of calm professionalism, trustworthiness, and approachable expertise. Render this in a highly realistic photographic style, mimicking the look of a high-end digital camera sensor with a subtle cinematic color grade, no grain, and a clean, polished finish.