Holografischer Overlay-Effekt mit Regenbogengradienten

Apply a holographic overlay effect on [SUBJECT/TEXT] — dreamy rainbow gradients with soft radial light reflections — smooth glossy surface, high contrast blending — iridescent hues like pink, teal, cyan, and purple — noise texture with soft light blend — subtle shadows and edge lighting to add depth — centered composition on a dark background — ultra-HD, 1:1 ratio, cinematic lighting