body {
  font-family: "Helvetica Neue", Arial, sans-serif;
  margin: 0;
  padding: 20px;
  display: flex;
  justify-content: center;
  align-items: center;
  height: auto;
}

.calculator {
  max-width: 600px;
  width: 100%;
  background-color: #ffffff;
  border-radius: 10px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  padding: 30px;
  box-sizing: border-box;
}

h2 {
  text-align: center;
  color: #333;
  font-size: 24px;
  margin-bottom: 20px;
}

label {
  display: block;
  font-size: 14px;
  color: #555;
  margin-bottom: 5px;
}

input,
select,
textarea,
button {
  width: 100%;
  padding: 10px;
  margin-top: 5px;
  border: 1px solid #ddd;
  border-radius: 5px;
  font-size: 14px;
  box-sizing: border-box;
}

input:focus,
select:focus {
  border-color: #4caf50;
  outline: none;
  box-shadow: 0 0 5px rgba(76, 175, 80, 0.2);
}

button {
  margin-top: 20px;
  background-color: #4caf50;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-size: 16px;
  transition: background-color 0.3s ease;
}

button:hover {
  background-color: #45a049;
}

button:disabled {
  background-color: #ccc;
  color: #666;
  cursor: not-allowed;
}

.error {
  color: red;
  font-size: 12px;
  margin-top: 5px;
}

.package-details {
  display: none;
  margin-top: 20px;
}

.customPackageMessage {
  padding-top: 10px;
}

#quoteResults {
  display: none;
  margin-top: 20px;
  text-align: center;
}

#quoteResults h3 {
  font-size: 18px;
  color: #333;
}

#quoteResults p {
  font-size: 16px;
  color: #555;
}