body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

header {
    background-color: #333;
    color: white;
    padding: 10px 0;
    text-align: center;
    position: relative;
}

.hamburger {
    display: none;
    cursor: pointer;
    font-size: 24px;
    position: absolute;
    top: 10px;
    left: 10px;
}

.nav-links {
    display: none;
}

.nav-links ul {
    list-style: none;
    padding: 0;
    text-align: center;
}

.nav-links ul li {
    margin: 10px 0;
}

.nav-links ul li a {
    color: white;
    text-decoration: none;
    font-size: 18px;
}

.search-bar {
    margin-top: 10px;
}

.search-bar input[type="text"] {
    padding: 5px;
    font-size: 16px;
    border: none;
    border-radius: 5px;
    width: 200px;
}

.search-bar input[type="submit"] {
    padding: 5px 10px;
    font-size: 16px;
    border: none;
    border-radius: 5px;
    background-color: #e67e22;
    color: white;
    cursor: pointer;
}

main {
    padding: 20px;
}

.produto {
    display: flex;
    border: 1px solid #ddd;
    padding: 20px;
    border-radius: 5px;
    margin-top: 20px;
    align-items: center;
}

.produto img {
    max-width: 200px;
    margin-right: 20px;
}

.detalhes-produto {
    max-width: 600px;
}

.detalhes-produto h3 {
    margin: 0;
}

.detalhes-produto p {
    margin: 10px 0;
}

.mensagem-btn {
    background-color: #e67e22;
    color: white;
    border: none;
    padding: 10px 20px;
    cursor: pointer;
    font-size: 16px;
    border-radius: 5px;
    text-decoration: none;
}

.mensagem-btn:hover {
    background-color: #d35400;
}

footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 10px 0;
    position: fixed;
    width: 100%;
    bottom: 0;
}

@media (min-width: 768px) {
    .hamburger {
        display: none;
    }

    .nav-links {
        display: block;
    }

    .nav-links ul {
        display: flex;
        justify-content: center;
    }

    .nav-links ul li {
        margin: 0 15px;
    }
}

@media (max-width: 767px) {
    .hamburger {
        display: block;
    }

    .nav-links ul {
        flex-direction: column;
    }

    .nav-links.active {
        display: block;
    }
}