text: 
  document.querySelector(".hamburguer").addEventListener("click", () =>
      document.querySelector(".container").classList.toggle("show-menu")
  );
  
  document.querySelector("#qtde").addEventListener("change", atualizarPreco)
  document.querySelector("#js").addEventListener("change", atualizarPreco)
  document.querySelector("#layout-sim").addEventListener("change", atualizarPreco)
  document.querySelector("#layout-nao").addEventListener("change", atualizarPreco)
  document.querySelector("#prazo").addEventListener("change", function () {
  const prazo = document.querySelector("#prazo").value
  document.querySelector("label[for=prazo]").innerHTML = `Prazo: ${prazo} semanas`
  atualizarPreco()
  })
  
  function atualizarPreco(){
  const qtde = document.querySelector("#qtde").value
  const temJS = document.querySelector("#js").checked
  const incluiLayout = document.querySelector("#layout-sim").checked
  const prazo = document.querySelector("#prazo").value
  
  let preco = qtde * 100;
  if (temJS) preco *= 1.1
  if (incluiLayout) preco += 500
  let taxaUrgencia = 1 - prazo*0.1;
  preco *= 1 + taxaUrgencia
  
  document.querySelector("#preco").innerHTML = `R$ ${preco.toFixed(2)}`
  }
  