
3D icon of a metallic, shiny, uppercase letter "S" in a sans-serif style. The letter should be highly polished with gradient coloring transitioning from silver at the top to a deep blue at the bottom. The surface should reflect subtle soft lighting, giving it a smooth and lustrous finish. The edges and curves should be smooth and sleek, providing a modern and elegant appearance. White background, centered, no shadow, clean icon style, high detail, 3D render.