{
  "title": "Deck Staining: instant estimate",
  "subtitle": "Choose one or more services. Prices update live.",
  "accent": "#8d5524",
  "currencyCode": "USD",
  "locale": "en-US",
  "roundTo": 5,
  "items": [
    {
      "id": "stain",
      "label": "Clean & stain deck surface",
      "unit": "sq ft",
      "low": 2.5,
      "high": 4.0,
      "min": 600,
      "qtyDefault": 300,
      "qtyMin": 50,
      "qtyMax": 2000,
      "qtyStep": 25
    },
    {
      "id": "rail",
      "label": "Railings & spindles",
      "unit": "linear ft",
      "low": 6,
      "high": 10,
      "min": 150,
      "qtyDefault": 40,
      "qtyMin": 5,
      "qtyMax": 300,
      "qtyStep": 5
    }
  ],
  "modifiers": [
    {
      "label": "Stain type",
      "type": "select",
      "options": [
        {
          "label": "Semi-transparent",
          "factor": 1
        },
        {
          "label": "Solid color",
          "factor": 1.1
        },
        {
          "label": "Clear sealer",
          "factor": 0.85
        }
      ]
    },
    {
      "label": "Strip old finish",
      "type": "checkbox",
      "factor": 1.4
    },
    {
      "label": "Stairs (per flight)",
      "type": "checkbox",
      "add": 120
    }
  ],
  "note": "Sample prices for demo. Set your own. Final price confirmed after inspection.",
  "cta": {
    "type": "mailto",
    "email": "you@yourbusiness.com",
    "label": "Request my exact quote"
  },
  "mode": "multi"
}