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URBAN MOMENTUM
Role
Creative Director & Technical Prompt Engineer
Tools
Nano Banana Pro, Topaz Upscaler
To design and execute a cohesive vertical advertising campaign for the Nike Alphafly 3. The visual direction required a "Neon & Concrete" aesthetic—blending the raw, gritty texture of 90s film photography with the high-tech precision of modern athletic wear. The goal was to tell a visual story from "The Prep" to "The Sprint" to "The Aftermath."
The Technical Challenge
The primary challenge in AI photography is temporal consistency. Keeping a character’s facial structure, specific wardrobe details (Navy Blue Nike Pro set), and complex product geometry (Alphafly 3 split-sole) identical across multiple camera angles and lighting setups.
The Workflow: "Trinity" Reference Anchoring
Using the advanced capabilities of Nano Banana Pro, I developed a "Multi-Reference" pipeline to lock in visual fidelity:
1. Pre-Production (Asset Generation) Before the first scene was generated, I engineered three distinct "Anchor Assets" to serve as the ground truth for the model:
The Talent: A "Digital Mannequin" sheet establishing a specific German female track athlete archetype (Face/Body/Structure).
The Wardrobe: A flat-lay composite of the Navy Blue Nike Pro two-piece set to lock in logo placement and fabric texture.
The Hero Product: A technical breakdown of the Alphafly 3 to ensure the "Volt" neon accents and ZoomX foam geometry remained accurate.
2. Physics-Based Prompting Rather than describing the image, I described the camera. I built a "Universal Technical Block" applied to every prompt to ensure the color grading and texture matched perfectly from Slide 1 to Slide 6:
Camera: Emulated Arri Alexa Mini dynamics.
Lenses: Vintage High-Speed Primes (for specific bokeh and flare).
Stock: Kodak Vision3 500T emulation (for consistent grain structure).
Process: Bleach Bypass Grade (for the high-contrast, desaturated urban look).
3. Integrated Typography Leveraging Nano Banana Pro’s advanced text rendering, the campaign typography ("JUST DO IT / FIND YOUR FAST") was generated in-camera as a practical light source, allowing the text to interact naturally with the atmospheric haze and film grain, rather than sitting as a flat digital layer.
The Result
A fully cohesive, cinematic ad sequence that maintains perfect character and brand identity across a dynamic narrative arc.
