Halloween Family Costume Party

Halloween family party poster, vertical 9:16, friendly flat cartoon on a moonlit night. [Colors] deep indigo #232A4E and violet #4B3A78 sky, moon cream #FBEFD0, pumpkin orange #F0801F, coral #E9614B accents, cream cards. [Layout] headline arc under a huge moon, ribbon subtitle, three costumed kids standing across the middle, a 2x2 grid of square photo cards below, an orange call-to-action band with a QR code at the base. [Typography] chunky playful display with a warm gradient for the headline, marker script for the sub-line, bold sans in the call-to-action, small caps card labels. [Subject] three children in costumes, a white ghost sheet, a purple witch holding a pumpkin bucket and a little vampire, plus a small ghost, carved pumpkins, bats and castle silhouettes on the horizon. [Lighting & Mood] glowing moonlit evening, festive and safe for kids. [Details] four photo tiles labelled costume show, pumpkin craft, treasure hunt and family photo, gift ribbon tags, candy icons, sparkle stars.