body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: #f4f4f4;
    color: #333;
}
header, footer {
    background-color: #003366;
    color: white;
    padding: 1em;
    text-align: center;
}
nav a {
    margin: 0 1em;
    color: #fff;
    text-decoration: none;
}
main {
    padding: 2em;
}
.cta-banner, .form-section {
    background: #e0f7fa;
    padding: 2em;
    text-align: center;
}
.btn {
    display: inline-block;
    background-color: #007BFF;
    color: white;
    padding: 0.75em 1.5em;
    margin: 0.5em;
    text-decoration: none;
    border-radius: 5px;
}
form {
    display: flex;
    flex-direction: column;
    align-items: center;
}
form input, form select {
    width: 80%;
    margin-bottom: 1em;
    padding: 0.5em;
}
@media (max-width: 600px) {
    nav a {
        display: block;
        margin: 0.5em 0;
    }
    .btn {
        width: 90%;
    }
}