body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f5f5f5;
    color: #222;
}

header {
    background: #00695c;
    color: white;
    padding: 30px 0;
    text-align: center;
}

nav {
    background: #004d40;
}

nav ul {
    display: flex;
    flex-wrap: wrap;
    list-style: none;
    margin: 0;
    padding: 0;
    justify-content: center;
}

nav li {
    margin: 5px 10px;
}

nav a {
    color: white;
    text-decoration: none;
    font-weight: bold;
}

.section {
    padding: 30px;
    background: white;
    margin: 15px auto;
    max-width: 1000px;
    border-radius: 6px;
}

.section h2 {
    color: #00695c;
}

form input, form textarea {
    width: 100%;
    margin: 8px 0;
    padding: 10px;
}

button {
    background: #00695c;
    color: white;
    border: none;
    padding: 12px;
    cursor: pointer;
}

button:hover {
    background: #004d40;
}

footer {
    text-align: center;
    padding: 20px;
    background: #00332e;
    color: white;
}