query NearestOffers($lat: Float!, $lon: Float!, $radius: Float, $productUuid: String, $hubUuid: String, $limit: Int) {
  nearest_offers(lat: $lat, lon: $lon, radius: $radius, product_uuid: $productUuid, hub_uuid: $hubUuid, limit: $limit) {
    uuid
    product_uuid
    product_name
    supplier_uuid
    supplier_name
    latitude
    longitude
    country
    country_code
    price_per_unit
    currency
    quantity
    unit
    distance_km
    routes {
      total_distance_km
      total_time_seconds
      stages {
        from_uuid
        from_name
        from_lat
        from_lon
        to_uuid
        to_name
        to_lat
        to_lon
        distance_km
        travel_time_seconds
        transport_type
      }
    }
  }
}