Spooky Cute Halloween Party

Professional Halloween party poster, vertical 9:16, glossy stylized 3D cartoon illustration. [Colors] Violet night sky (#5B3C9E to #8E6BC4), oversized cream moon (#F6E7BE), pumpkin orange (#F58220), deep plum shadows, warm gold stars. [Layout] Chunky stacked HALLOWEEN wordmark across the top with a purple ribbon strip under it; a wooden signpost occupies the left mid-ground with three directional planks; hero characters cluster on the lower third over a bed of carved pumpkins. [Typography] Fat rounded display caps in cream with orange extrusion, thin serif Latin subline in the ribbon, hand-painted plank lettering on the signpost. [Subject] Adorable white ghost in a big purple witch hat holding a jack-o'-lantern candy bucket and grinning, black cat with a bow tie and glowing green eyes sitting on a pumpkin, gothic castle silhouetted on the right horizon, bats and fallen leaves. [Lighting & Mood] Warm moonlit backlight with soft glow on the ghost, rich purple ambient; cheerful, candy-sweet, family-friendly. [Details] Stars and sparkles, grass tufts, pumpkin ridges with carved grins, small candy spills, crisp edge highlights for a toy-like finish.