Smartphone Ad Poster

{
  "type": "Product advertising poster",
  "brand_logo": "{argument name=\"brand name\" default=\"SAMSUNG\"}",
  "typography": {
    "headline": "{argument name=\"product name\" default=\"Galaxy S30\"}",
    "subtitle": "{argument name=\"tagline\" default=\"Beyond Excellence\"}"
  },
  "visuals": {
    "setting": "A pure black background, paired with dramatic studio lighting.",
    "base": "{argument name=\"background element\" default=\"Serrated dark rock structure\"}",
    "subjects": [
      {
        "description": "Smartphone facing forward",
        "position": "Left side, slightly back",
        "screen_display": "Abstract wallpaper with overlapping, luminous gold arcs on a dark background."
      },
      {
        "description": "Smartphone with the back facing",
        "position": "The right side has a prominent view.",
        "color": "{argument name=\"phone color\" default=\"Titanium Gray\"}",
        "features": "It features a flat metal edge, three large camera lenses arranged vertically, two smaller circular sensors on the right side, and the brand logo printed at the bottom."
      }
    ]
  },
  "layout": {
    "footer": {
      "count": 3,
      "sections": [
        {
          "title": "Epic Night Shots",
          "subtitle": "Advanced low-light AI"
        },
        {
          "title": "Long-lasting power",
          "subtitle": "All-day battery life"
        },
        {
          "title": "Durable",
          "subtitle": "More robust than ever before"
        }
      ],
      "fine_print": "Images are for illustrative purposes only. Color availability may vary by region."
    }
  }
}