Premium Sportswear Campaign Poster Prompt

Create a premium, highly realistic 1:1 campaign poster for {argument name="brand" default="DIMOND"}, a modern performance sneaker brand. Show one {argument name="item" default="hero sneaker"} as the main focus in a dark studio with a glossy reflective floor, dramatic cinematic lighting, subtle motion energy, and a sleek athletic feel. Add bold, minimal typography with the brand name {argument name="brand" default="DIMOND"} and a short campaign headline. Make it feel like a real high-end sportswear ad, clean composition, sharp detail, realistic materials, modern and polished, cool dark tones with subtle metallic accents, no clutter, no collage.