Postais de Natal em estilo vintage festivo 6x4

Postcard design celebrating Christmas postcards, presented as a festive holiday greeting postcard. Classic vintage postcard style with a festive celebratory mood and a holiday red and green palette, featuring a photorealistic hero scene of evergreen branches, wrapped gifts, glowing string lights, and elegant seasonal details on a cozy background. The message "Postais de Natal" is rendered as clean placeholder typography in a matching vintage style. Print-ready 6×4 inch postcard composition, strong visual hierarchy, no watermarks, no real logos.