Create a captivating artistic illustration art piece that embodies the beauty of a flat gorgeous stained glass expression featuring Santa and Rudolph, centered around a Christmas theme with a golden ratio for perfect composition. Use simplified bold lines to craft a masterpiece against a matte black background that exudes a festive Christmas mood. Incorporate subtle creative modifications to add uniqueness while maintaining the essence of the concept. Avoid realistic faces, 3D elements, side views, and intricate small details.