{"type":"premium fintech app concept hero mockup","style":"sleek 3D glassmorphism UI, dark mint green gradients, realistic smartphone render, soft studio lighting, high contrast, polished product-design presentation, subtle blur and glow, cinematic shadows","canvas":{"aspect_ratio":"16:9 landscape","background":"smooth teal-to-emerald gradient fading to near-black at the bottom, minimalist tech presentation backdrop"},"layout":{"centerpiece":"one large black iPhone-style smartphone centered slightly right, front-facing, rounded corners, dynamic-island camera cutout, thin black bezel, realistic
