body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: #fff;
    color: #222;
}
header {
    background: #fff;
    color: #fff;
    padding: 2rem 1rem 1rem 1rem;
    text-align: center;
}
nav {
    background: #00509e;
    text-align: center;
    padding: 0.5rem 0;
}
nav a {
    color: #fff;
    margin: 0 1rem;
    text-decoration: none;
    font-weight: bold;
}
nav a:hover {
    text-decoration: underline;
}
main {
    max-width: 800px;
    margin: 2rem auto;
    background: #fff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}
section {
    margin-bottom: 2rem;
}
footer {
    background: #fff;
    color: #fff;
    text-align: center;
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    bottom: 0;
}
form {
    display: flex;
    flex-direction: column;
}
input, textarea {
    margin-bottom: 1rem;
    padding: 0.5rem;
    border: 1px solid #ccc;
    border-radius: 4px;
}
button {
    background: #00509e;
    color: #fff;
    border: none;
    padding: 0.75rem;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
}
button:hover {
    background: #003366;
}