body {
  font-family: "Helvetica Neue", Arial, sans-serif;
  background: #f8f8f8;
  margin: 0;
  padding: 20px;
}

.form-container {
  background: #fff;
  max-width: 600px;
  margin: 0 auto;
  padding: 20px 30px;
  border-radius: 6px;
  box-shadow: 0 0 8px rgba(0,0,0,0.1);
}

h1 {
  font-size: 1.4em;
  margin-bottom: 20px;
  text-align: center;
}

label {
  display: block;
  margin-top: 15px;
  font-weight: bold;
}

input, textarea {
  width: 100%;
  padding: 8px;
  margin-top: 5px;
  border: 1px solid #ccc;
  border-radius: 4px;
  box-sizing: border-box;
}

button {
  margin-top: 20px;
  width: 100%;
  padding: 10px;
  background: #0078d7;
  color: #fff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

button:hover {
  background: #005fa3;
}

.required {
  color: red;
  font-weight: normal;
  margin-left: 4px;
}

.optional {
  color: #888;
  font-weight: normal;
  margin-left: 4px;
}