Halloween Jack-O-Lantern Jar Hero Poster

Halloween product hero poster, vertical 9:16, glossy studio 3D render. [Colors] grape purple #4B2E8C graded to pale lilac #C9B6E8, gold #F2C14E, translucent amber #FFB347 glow. [Layout] italic script "Happy" overlaps a wide serif masthead, an English subtitle follows, the hero object sits centered in the lower half on a reflective plinth, an event line and date close the base, two small corner badges stay low-contrast. [Typography] elegant italic script, wide high-contrast serif capitals, small gold-outlined caps for the tagline, light sans for the date. [Subject] a clear glass jack-o'-lantern jar with a faceted smiling face filled with warm light, topped by a swirl-textured translucent purple witch hat with gold buckle; faint bat silhouettes and a purple moon halo behind. [Lighting & Mood] studio-soft, magical, premium. [Details] caustic reflections on the floor, gradient halo, subtle grain, perfectly symmetrical composition, clean negative space.