A heartwarming Christmas scene featuring Santa Claus standing in front of a red door decorated with a green wreath and festive garlands. Above the door is the number "25" in gold, symbolizing Christmas Day. Santa is dressed in his classic red and white suit, holding a large red sack filled with wrapped presents, candy canes, and a teddy bear. Beside him sits a cheerful golden retriever puppy wearing a red scarf. The surroundings include candles, ornaments, and more wrapped gifts, creating a cozy and joyful holiday atmosphere. Render in ultra-realistic style, warm lighting, crisp details, vertical orientation for mobile wallpaper.