Create a vibrant marketing poster background featuring a dynamic blend of geometric shapes in various shades of blue, green, and orange. Incorporate subtle textures like gradients and light flares to give depth and energy. Include space for text in the center with a faint white overlay to ensure clarity. The overall design should convey a sense of innovation and excitement, appealing to a modern audience.

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Create a vibrant marketing poster background featuring a dynamic blend of geometric shapes in various shades of blue, green, and orange. Incorporate subtle textures like gradients and light flares to give depth and energy. Include space for text in the center with a faint white overlay to ensure clarity. The overall design should convey a sense of innovation and excitement, appealing to a modern audience.