body, html {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
}

header {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(0, 128, 0, 0.8);
    color: white;
    padding: 10px;
    box-sizing: border-box;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
}

header img {
    height: 50px;
}

nav {
    display: flex;
    gap: 20px;
}

nav a {
    color: white;
    text-decoration: none;
    padding: 10px;
    transition: background-color 0.3s ease;
}

nav a:hover {
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 5px;
}

@media (max-width: 600px) {
    header {
        flex-direction: column;
        align-items: center;
    }
    nav {
        flex-wrap: wrap;
        justify-content: center;
    }
    .hero h1 {
        font-size: 2em;
        padding: 20px;
        text-align: center;
    }
}

footer {
    background-color: #004d00;
    color: white;
    text-align: center;
    padding: 10px;
    position: fixed;
    bottom: 0;
    width: 100%;
}