AI Headshot App Store Promo Poster

For a product named{argument name="app name" default="Shine"} Create a sophisticated App Store promotional poster for the AI ​​professional photo app, employing a warm and minimalist brand style. Use a vertical mobile screenshot ad layout with a soft beige background and an upward-extending golden arc at the bottom edge. Place an elegant, large black serif title in the upper left corner, divided into three lines, with the content {argument name="headline text" default="Create professional business photos with Shine"} Add a white, jagged star-shaped badge with black serif text in the center left side.{argument name="badge text" default="Before + After"} On the right, a large, tilted modern smartphone model is displayed, slightly angled to the left, with a slim metal frame and a realistic screen. The screen should display the application interface for AI-generated professional portraits. At the top of the screen is a small "SHINE" logo, a large serif subtitle "Show Your Most Professional Self.", and the accompanying text "Upload a few photos, and we'll generate studio-quality professional portraits for you." In the upper right corner is a small, rounded capsule button displaying "⚡ 8 Points," and an iPhone-style status bar showing 9:41. In the center of the screen is a before-and-after comparison card, with two portrait panels side-by-side, each labeled once: the left panel is labeled "Before," and the right panel is labeled "After." The left portrait is of a casual man wearing a dark T-shirt in a typical indoor setting; the right portrait is of the same man transformed into a professional portrait wearing a dark suit jacket with a light-colored shirt in a warm, blurred studio setting. A circular toggle arrow button is placed centered between the two panels. Below, there's a "HOW IT WORKS" section with three vertically arranged steps: 1) "1. Upload," with the text "Upload 8–12 clear personal photos."; 2) "2. We create," with the text "Our AI will generate a variety of professional-looking photos."; 3) "3. Download," with the text "Choose your favorite photo and download the high-resolution image." Each step is accompanied by a rounded square icon in peach or pink tones. Near the bottom of the screen, there's a large, rounded yellow CTA button with the text {argument name="button text" default="Start Shine ✦"} The smaller text below reads "8 points per session." In the lower left foreground, a cute, stylized white mascot is placed. It has a rounded body, short arms, rosy cheeks, dotted eyes, a smiling mouth, and wears a golden cowboy hat and matching scarf. The oversized hat extends towards the center and covers the bottom area in front of the phone. The mascot uses a soft 3D illustration style, while the phone screen features a sophisticated UI design, maintaining brand consistency in beige and gold, complemented by subtle shadows, clean spacing, and a refined startup marketing aesthetic.