Create a vibrant marketing poster background featuring an abstract explosion of colorful geometric shapes, including triangles, circles, and squares. The background should have a gradient that transitions from a rich blue at the top to a lively orange at the bottom, with soft, flowing lines weaving throughout to add depth and movement. Incorporate subtle textures that evoke a sense of dynamism, like a glossy finish or watercolor effects. Leave ample negative space in the center for text overlay, ensuring the colors are lively yet not overwhelming, making it suitable for a wide range of products or events.

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Create a vibrant marketing poster background featuring an abstract explosion of colorful geometric shapes, including triangles, circles, and squares. The background should have a gradient that transitions from a rich blue at the top to a lively orange at the bottom, with soft, flowing lines weaving throughout to add depth and movement. Incorporate subtle textures that evoke a sense of dynamism, like a glossy finish or watercolor effects. Leave ample negative space in the center for text overlay, ensuring the colors are lively yet not overwhelming, making it suitable for a wide range of products or events.