Structured Prompt for Hyperrealistic Caricature Portrait

{
  "style": {
    "type": "hyperrealistic caricature",
    "lighting": "soft studio lighting",
    "mood": "serious, dramatic",
    "details": "exaggerated facial proportions, smooth skin texture, painterly realism"
  },
  "subject": {
    "type": "older man",
    "features": {
      "hair": "{argument name=\"hair style\" default=\"light blond, voluminous, swept to the side with dramatic flow\"}",
      "face": "{argument name=\"face features\" default=\"large exaggerated cheeks and chin, deep frown lines, pronounced brows, slightly drooping eyelids\"}",
      "expression": "{argument name=\"expression\" default=\"stern, pouting, serious\"}"
    },
    "clothing": {
      "outfit": "dark formal suit",
      "shirt": "light-colored dress shirt",
      "tie": "{argument name=\"tie color\" default=\"light blue textured tie\"}"
    },
    "pose": "straight posture, facing forward"
  },
  "background": {
    "type": "plain dark gradient",
    "atmosphere": "studio portrait, minimalistic"
  },
  "camera": {
    "angle": "straight-on",
    "depth_of_field": "shallow, soft background",
    "focus": "sharp on