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Create "The Brand Envelope" product advertising board for [PRODUCT].

Goal: show how the same product can live inside four different brand personalities while keeping its core shape, function, and category recognizable.

Center rule: the product must stay consistent across every frame. Keep the same object type, approximate camera angle, scale, and product role while changing only brand expression.

Create a 2x2 board with four labeled directions:
- Dark Luxury: black, charcoal, brass, editorial shadows, quiet premium mood, restrained typography.
- Bright DTC: vivid color, playful packaging, friendly direct-to-consumer energy, clean social ad style.
- Heritage Craft: warm paper, handmade texture, artisanal cues, natural materials, trusted local brand feeling.
- Tech Minimal: white space, blue or silver accents, precise alignment, modern system design, clean typography.

For each quadrant, include the product, packaging or container, one supporting prop, matching background material, campaign lighting, and a small label describing the brand direction.

Finish: professional advertising art direction, realistic product photography, crisp packaging surfaces, tidy board layout, distinct palettes, and strong comparison value.

Style: AI brand envelope product ad prompt example, Brand Envelope, product positioning board, packaging moodboard, four brand personalities, ecommerce creative direction.