Christmas calendar, festive holiday theme, Advent calendar, 24 small doors or windows, snowy winter wonderland background, pine trees, snowflakes gently falling, soft golden lighting, warm cozy atmosphere, red and green color scheme, decorative holly leaves and berries, glittering snowflakes on doors, intricate wooden frame, ornate metal hinges, rustic country style, vintage-inspired illustrations, watercolor texture, subtle snowfall animation, 3D-like composition, festive holiday typography.