Gothic Halloween Party Poster with Black Cat

Professional Halloween party poster, vertical 9:16, ornate gothic illustration. [Colors] Deep violet night (#2A0F45), peach-cream moon (#F8D3A8), royal purple plaque (#4B1E7A) with gold filigree (#E8C07A), emerald and magenta hints in the mist. [Layout] An oversized moon with a castle silhouette at the very top, a scalloped ornamental plaque holding the main title and a date ribbon in the upper half, a cream schedule panel split into four bulleted time slots beneath, a black cat seated on a glowing path at the bottom, contact bar pinned across the foot. [Typography] Centered serif poster title with flourishes and a gold gradient fill, small serif caps on the date ribbon, clean sans for schedule bullets and fine print. [Subject] A black cat with luminous amber eyes sitting centrally on a winding cobblestone path lined with lit jack-o-lanterns and purple ground fog. [Lighting & Mood] Enchanted midnight, mysterious and elegant. [Details] Crooked bare trees, hanging pumpkins, a swarm of bats, candlelight pools, pale stars, subtle vignette at the edges.