ultra-detailed, official 3D logo

Create a hyperrealistic CGI poster with a cinematic, stylish perspective. Centered is a glass Christmas ornament hanging from a frosted pine branch. Inside, suspended in zero gravity, is the ultra-detailed, official 3D logo of [YOUTUBE], its colors rendered with perfect accuracy. The scene must exhibit physically correct light behavior: subtle caustics, precise refraction and reflection distortions through the curved glass surface, and soft, natural shadows. The ambiance is a quiet, snowy winter’s day with diffuse daylight, gently falling snowflakes, and a dreamy bokeh effect in the background, enhancing the magical, fairy-tale Christmas atmosphere. Focus on impeccable composition, depth, and a sense of serene, high-end wonder. 1080x1080 dimension.