elegant templates black and gold gold leaves gold stars royalty-inspired elegant templates black and gold gold leaves gold stars royalty-inspired stunning designs generative ai editable psd 4k templates rgb colors luxury design premium mockup sophisticated style opulent graphics regal theme majestic visuals high-quality template artistic elegance creative layouts digital design lavish aesthetics refined templates chic design deluxe mockup posh graphics stylish templates exquisite design ornate patterns decorative elements glamorous visuals classy templates upscale design polished mockup elegant graphics refined aesthetics sophisticated templates artistic mockup luxury visuals premium design royal-inspired decorative templates creative mockup high-end design majestic templates opulent mockup regal design lavish templates chic mockup