Create a stylish marketing poster featuring a blank space in the center for customizable text. The background should be a vibrant blend of colors, including electric blues, vivid oranges, and lush greens, creating an energetic and eye-catching gradient. Incorporate abstract geometric shapes and dynamic lines that add depth and motion to the design. At the poster's edges, integrate subtle shadows and textures to enhance the visual interest while maintaining a clean and modern aesthetic. The overall composition should evoke a sense of creativity and excitement, making it perfect for a promotional event or product launch.

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Create a stylish marketing poster featuring a blank space in the center for customizable text. The background should be a vibrant blend of colors, including electric blues, vivid oranges, and lush greens, creating an energetic and eye-catching gradient. Incorporate abstract geometric shapes and dynamic lines that add depth and motion to the design. At the poster's edges, integrate subtle shadows and textures to enhance the visual interest while maintaining a clean and modern aesthetic. The overall composition should evoke a sense of creativity and excitement, making it perfect for a promotional event or product launch.