{
  "name": "MEP Quick Calcs — D3D Design & Drafting",
  "short_name": "MEP Calcs",
  "description": "Standalone MEP quick-check calculator — cold/hot water storage, pipe & duct sizing, condensation risk, summer overheating risk, and an advanced CIBSE TM52 overheating assessment using real hourly weather data. Ported from the same formulas as MEP Design Platform.",
  "start_url": "/tools-calculator.html",
  "scope": "/",
  "display": "standalone",
  "orientation": "portrait-primary",
  "background_color": "#191C1F",
  "theme_color": "#1F3A4D",
  "icons": [
    { "src": "/icon-192.png", "sizes": "192x192", "type": "image/png", "purpose": "any" },
    { "src": "/icon-512.png", "sizes": "512x512", "type": "image/png", "purpose": "any" },
    { "src": "/icon-512-maskable.png", "sizes": "512x512", "type": "image/png", "purpose": "maskable" }
  ]
}