Dusk Ascension JSON Prompt for Nano Banana Pro

{
  "image_generation_prompt": {
    "subject_settings": {
      "placeholder": "{argument name="subject" default="[SUBJECT GOES HERE]"}",
      "positioning": "absolute dead-center composition, full subject visibility, no clipping, no cutoff edges",
      "presentation": "floating mid-air, isolated, no pedestals, no stands, no display boxes, no mannequins"
    },
    "aesthetic_style": {
      "visual_theme": "dreamy ethereal surrealism, vintage luxury editorial, 1990s high-fashion film photography",
      "texture": "heavy analog film grain, noisy texture, slight motion blur, soft focus dream-haze, chromatic aberration",
      "lighting": "starburst lens flare on metallic highlights, soft glowing aura, backlit silhouette depth, no studio lights, no softboxes"
    },
    "color_palette": {
      "primary_gradient": {
        "top_color": "#1A3A5F",
        "middle_color": "#7B9BB9",
        "bottom_color": "#D4823B"
      },
      "description": "A seamless dusk-to-dawn transition from deep midnight blue to a warm, hazy amber sunset glow"
    },
    "negative_constraints": [
      "text",
      "watermarks",
      "studio equipment",
      "lighting stands",
      "reflectors",
      "frames",
      "borders",
      "cut off subject",
      "out of frame",
      "multiple subjects",
      "cluttered background",
      "plastic textures",
      "hyper-realistic digital sharpness",
      "clean 4k render"
    ],
    "technical_parameters": {
      "aspect_ratio": "4:5",
      "style_strength": "high",
      "diffusion_iteration": "film_emulsion_simulation"
    }
  }
}