A highly detailed, cheerful 3D illustration of Santa Claus standing on a snowy doorstep, waving with his right hand. Santa is wearing a classic bright red suit with white fur trim, black belt with a gold buckle, red gloves, and black boots. He has a round friendly face, rosy cheeks, large expressive eyes, and a full fluffy white beard. Behind him is a teal-colored wooden door decorated with a lush Christmas wreath made of green pine branches, red bows, colorful ornaments in red, blue, silver, and gold. Wrapped Christmas gift boxes with ribbons sit on both sides near Santa’s feet. Soft winter lighting, festive holiday atmosphere, ultra-clean details, Pixar-style 3D character design, vibrant colors, shallow depth of field, centered composition, vertical mobile wallpaper, ultra-high resolution, cozy Christmas mood