{
  "name": "Direct Mail ROI Calculator",
  "short_name": "ROI Calc",
  "description": "Show the compounding residual ROI of direct mail advertising — live, client-side.",
  "start_url": "/",
  "display": "standalone",
  "orientation": "any",
  "background_color": "#1d3257",
  "theme_color": "#1d3257",
  "lang": "en",
  "scope": "/",
  "icons": [
    {
      "src": "icons/icon.png",
      "sizes": "192x192",
      "type": "image/png",
      "purpose": "any maskable"
    },
    {
      "src": "icons/icon.png",
      "sizes": "512x512",
      "type": "image/png",
      "purpose": "any maskable"
    }
  ]
}