{
  "name": "LNG Cargo Properties Calculator",
  "short_name": "LNG Cargo",
  "description": "Offline LNG cargo properties calculator — density, mass, energy, Wobbe Index, gas volume, vapor pressure. Per ISO 6578:2017 / ISO 6976:2016 and GPA Midstream 2145-16.",
  "start_url": "./index.html",
  "scope": "./",
  "display": "standalone",
  "orientation": "any",
  "background_color": "#070d1a",
  "theme_color": "#070d1a",
  "icons": [
    { "src": "icons/icon-192.png", "sizes": "192x192", "type": "image/png", "purpose": "any" },
    { "src": "icons/icon-512.png", "sizes": "512x512", "type": "image/png", "purpose": "any" },
    { "src": "icons/icon-maskable-512.png", "sizes": "512x512", "type": "image/png", "purpose": "maskable" }
  ],
  "categories": ["productivity", "utilities", "business"],
  "lang": "en"
}