Nano Banana Prompts: Nine-Grid Professional Photo Prompt

{
 "project_type": "Nine-grid Trendy Star Portrait Collage",
 "aspect_ratio": "3:4",
 "visual_style": {
   "color_palette": "Black and white, Monochrome, High key, Bright grayscale, Clean whites, Light grays",
   "background": "Studio background, seamless white paper, light gray concrete wall, minimalist bright space, no dark voids",
   "lighting": [
     "Soft frontal lighting",
     "Butterfly lighting",
     "Studio lighting",
     "Flattering beauty dish light",
     "No backlighting",
     "No harsh shadows on face"
   ],
   "mood": "Trendy, Cool, Confident, Star quality, Fashion editorial, Energetic, Edgy"
 },
 "subject_description": {
   "identity_consistency": "Consistent facial features across all 9 panels (based on input reference)",
   "hair_and_grooming": [
     "Varied trendy hairstyles",
     "Cool messy undercut",
     "Styled quiff",
     "Textured crop",
     "Slicked back modern",
     "Designer stubble",
     "Masculine scruff",
     "Well-groomed beard"
   ],
   "styling": [
     "Fashion forward",
     "Streetwear vibe",
     "Leather jacket collar",
     "Designer hoodie",
     "Minimalist layers",
     "Statement accessories (e.g., single earring)"
   ],
   "expressions/poses": [
     "Confident smirk",
     "Looking off-camera coolly",
     "Hand running through hair",
     "Slight jaw clench",
     "Direct confident gaze",
     "Dynamic poses"
   ]
 },
 "composition": {
   "layout": "9-grid collage, Dynamic layout (not perfectly uniform), Mix of close-ups and medium shots",
   "style": "Fashion magazine contact sheet, Editorial spread"
 },
 "technical_specs": {
   "camera_emulation": "Medium format fashion camera",
   "film_stock": "Kodak T-Max 400 (fine grain, sharp)",
   "resolution": "8k, masterpiece, sharp focus"
 },
 "negative_prompt": [
   "Dark background",
   "Black void background",
   "Backlit",
   "Silhouette",
   "Harsh shadows",
   "Underexposed",
   "Old fashioned",
   "Dull",
   "Uniform grid",
   "Same hairstyle in all",
   "Clean shaven (unless specified)"
 ]
}