Spooky Halloween Event Storybook Poster

Professional Halloween event poster, vertical long-scroll layout at 1:2.2 with a storybook structure. [Colors] Dusk purple #3A1B5C and indigo #24123C sky, glowing amber #FFC15E moon, pumpkin orange #F08228, aged parchment #E8D0A4, ink brown. [Layout] Hero band at the top: a castle on a hill, sweeping bat flocks, two hedge pumpkins and a scarecrow post; a centered arched title with orange fill and white stroke; then a large parchment scroll panel holding four stacked rows, each opening with a round icon and a short label; a battered wooden plank banner closes the layout with two grinning pumpkins at the base. [Typography] Heavy cartoon display headline with a chunky outline, wood-sign caps for the closing line, small serif labels inside the scroll. [Subject] Two chubby cartoon ghosts, one wearing a tiny witch hat and waving, plus carved pumpkins glowing from within. [Lighting & Mood] Warm lantern glow against cool night, inviting and family-friendly. [Details] Ripped paper edges on the scroll, a spider hanging from the panel, star specks, vine silhouettes.