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" } } }