body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  margin: 0;
  padding: 0;
  background-color: #f4f4f4;
}

.container {
  width: 80%;
  max-width: 600px;
  margin: 2rem auto;
  padding: 2rem;
  background-color: #fff;
  border-radius: 5px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h1 {
  text-align: center;
  margin-bottom: 2rem;
  color: #333;
}

.form-group {
  margin-bottom: 1.5rem;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: bold;
}

input, textarea {
  width: 100%;
  padding: 0.8rem;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 1rem;
}

textarea {
  min-height: 100px;
  resize: vertical;
}

button {
  display: block;
  width: 100%;
  padding: 1rem;
  background-color: #4CAF50;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 1rem;
  margin-top: 1rem;
}

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

.success-message {
  background-color: #dff0d8;
  color: #3c763d;
  padding: 1rem;
  margin-bottom: 1rem;
  border-radius: 4px;
  border: 1px solid #d6e9c6;
}

.error-message {
  background-color: #f2dede;
  color: #a94442;
  padding: 1rem;
  margin-bottom: 1rem;
  border-radius: 4px;
  border: 1px solid #ebccd1;
}

.g-recaptcha {
  margin: 1rem 0;
}

@media (max-width: 768px) {
  .container {
    width: 95%;
    padding: 1rem;
  }
}