Cheerful Ghost Halloween Party Poster

Halloween event poster, vertical 9:16, soft glossy 3D cartoon render. [Colors] Amber-to-tangerine gradient (#F08A1E to #FFD79A), cream type (#FFF3D6), charcoal brown accents (#2A1A12), pale ivory moon. [Layout] Centered single column: an arched display word across the top, a giant headline under it, the hero vignette in the middle band, date and party line stacked at the bottom above a thin rule. [Typography] Rounded chunky yellow caps for the arc, oversized cream serif-script main title, spaced small caps tagline, clean geometric sans for the date. [Subject] A cheerful white ghost in a floppy black witch hat with a pumpkin buckle sits on a glowing carved jack-o'-lantern; a black cat with a bow tie sits to the right; a black iron lantern with a lit candle stands at left. [Lighting & Mood] Warm light spilling from the pumpkin mouth and lantern, soft halo rim light, cozy friendly mood. [Details] Scattered maple leaves, tiny floating spirit wisps, distant castle and bare tree silhouettes, fine film grain.