Create a vibrant and eye-catching marketing blank poster that features a minimalist design. The background should be a gradient blend of bold colors, transitioning from deep blue at the top to bright orange at the bottom. In the center, leave ample white space framed by a thin black border, perfect for inserting text or images later. Add subtle, abstract geometric shapes in the background to create visual interest without overwhelming the space. Include a small, elegant logo placeholder in the bottom right corner, allowing for customization. The overall feel should be modern and dynamic, appealing to a wide audience.

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Create a vibrant and eye-catching marketing blank poster that features a minimalist design. The background should be a gradient blend of bold colors, transitioning from deep blue at the top to bright orange at the bottom. In the center, leave ample white space framed by a thin black border, perfect for inserting text or images later. Add subtle, abstract geometric shapes in the background to create visual interest without overwhelming the space. Include a small, elegant logo placeholder in the bottom right corner, allowing for customization. The overall feel should be modern and dynamic, appealing to a wide audience.