Magical Halloween Spooky Party Invitation

Vertical 9:16 illustrated Halloween invitation poster. [Colors] Grape purple (#4B2270) to indigo (#2A1245), moonlight cream (#FFE9B8), pumpkin orange (#F07C25), ghost lilac-white (#EDE4F5), muted gold (#F0B94A). [Layout] A decorative wordmark sits at the top; the headline and subtitle fill the upper third; the hero vignette floats over a full moon in the middle; two info plaques sit side by side above a divider; three lines of invitation copy follow; four icon tabs run along the bottom edge. [Typography] Ornate calligraphic "Halloween" with a trailing swash and a small broom flourish; a heavy slab-serif headline in cream with a purple outline; a light serif subtitle with a tilde ornament; plaques in small sans with icon bullets. [Subject] A cute ghost in a crooked witch hat holds an orange envelope sealed with a pumpkin emblem, drifting in front of the glowing moon; castle spires, bare trees, lantern posts and two carved pumpkins frame the lower ground. [Lighting & Mood] Soft moonlit glow, storybook warmth, magical and inviting. [Details] Cobweb garlands across the top and bottom, bats, fireflies, a wooden fence in mist, tabs reading "Costume parade · Candy hunt · Pumpkin craft · Prize draw", date "OCT 31 · 19:30".