A square logo with the text 'SrM' at the center. The design should be modern and clean, using a sleek, minimalist style. The text 'SrM' should be bold and clear, standing out against the background. Incorporate subtle gradients or geometric patterns to add depth and interest, using a sophisticated color palette such as shades of blue, grey, and white. The overall look should be professional and visually appealing, suitable for a modern brand.