body {
  background: #f7f7f7;
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
}

.container {
  max-width: 600px;
  margin: 40px auto;
  padding: 30px 20px;
  background: white;
  border: 4px solid #001147;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  text-align: center;
}

img {
  margin-bottom: 10px;
  max-width: 100%;
  height: auto;
}

h1 {
  background: #FFD700;
  color: #001147;
  font-size: 26px;
  padding: 10px;
  margin: 0;
  font-weight: bold;
}

h2 {
  color: #001147;
  font-size: 22px;
  margin-top: 25px;
}

p {
  font-size: 15px;
  color: #333;
  margin: 15px 0;
}

form {
  margin-top: 20px;
  text-align: left;
}

input[type="text"],
input[type="email"],
input[type="tel"] {
  width: 100%;
  padding: 12px;
  margin: 8px 0;
  border: 1px solid #ccc;
  border-radius: 20px;
  box-sizing: border-box;
  font-size: 16px;
}

label {
  font-size: 13px;
  margin-top: 10px;
  display: block;
  line-height: 1.5;
}

button {
  margin-top: 20px;
  width: 100%;
  background-color: #FFD700;
  color: #001147;
  font-weight: bold;
  font-size: 18px;
  border: none;
  padding: 12px;
  border-radius: 30px;
  cursor: pointer;
}

button:hover {
  background-color: #FFC000;
}

.error {
  color: red;
  font-weight: bold;
  text-align: center;
}

/* Responsive */
@media screen and (max-width: 480px) {
  .container {
    margin: 20px;
    padding: 20px 15px;
  }

  h1 {
    font-size: 20px;
  }

  h2 {
    font-size: 18px;
  }

  input,
  button {
    font-size: 16px;
  }
}