Create an image of a poster with a decreased average size, incorporating a notable logo, the poster has a vibrant color palette with a mix of bold and pastel hues, the logo is stylized in a modern sans-serif font with sharp lines and geometric shapes, it is placed prominently in the center of the poster, the background of the poster is a soft gradient that transitions from a light sky blue at the top to a warm beige at the bottom, the overall aesthetic is sleek and contemporary, with ample negative space to create a sense of balance and harmony.