h1{
    text-align: center;
}
.container {
  max-width: 600px;
  margin: 40px auto;
  padding: 20px;
  background-color: #f7f9fc;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

form {
  display: flex;
  flex-direction: column;
}

label {
  margin-top: 15px;
  font-weight: 600;
}

input,
select,
textarea {
  margin-top: 5px;
  padding: 10px;
  font-size: 1rem;
  border: 2px solid #ccc;
  border-radius: 4px;
}

input:first-of-type {
  border-radius: 12px;
  background-color: #eef9ff;
}

input:focus,
textarea:focus {
  border-color: #0077cc;
  outline: none;
}


input:invalid,
select:invalid,
textarea:invalid {
  border-color: red;
}

input:valid,
select:valid,
textarea:valid {
  border-color: green;
}

legend{
    font-weight:bold;
}

button[type="submit"] {
  margin-top: 20px;
  padding: 12px;
  font-size: 1rem;
  background-color: green;
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

button[type="submit"]:hover {
  background-color: #005fa3;
}

.radio-group {
  margin-top: 15px;
  border: 1px solid #ccc;
  padding: 10px;
  border-radius: 4px;
}

.radio-group input[type="radio"]:checked {
  border: 2px solid #0077cc;
  background-color: #e6f0ff;
  box-shadow: 0 0 5px #0077cc;
}

.radio-group input[type="radio"]:checked + label,
.radio-group label input[type="radio"]:checked {
  color: #0077cc;
}