Halloween Spooky Sale Poster

Halloween retail promo poster, vertical 9:16, glossy 3D cartoon render. [Colors] Royal purple #5B2C8D to indigo #2A1245 sky, lilac moon #C9B6F0, warm cream coupon card #FBF3E2, pumpkin orange #F08A2A. [Layout] Hero illustration in the upper 55 percent, a purple title ribbon with gold trim crossing the middle, a cream rounded coupon card with three stacked offer rows in the lower 40 percent, a skeleton mascot standing at the bottom-left. [Typography] Chunky rounded display with metallic gold bevel and violet outline, band subtitles on orange brush strips, small centered body copy, thin dashed dividers between rows. [Subject] A chibi witch girl with orange hair riding a broom, candy bag over her shoulder mid-spell; glossy ghosts floating beside her; a skeleton in a purple wizard hat holding a pumpkin lantern. [Lighting & Mood] Magical moonlight, candy-colored glow, cheerful and polished. [Details] Swirling sparkles, bats, candy canes, pumpkin cluster at the base, soft bloom highlights, dead-tree silhouettes.