body {
    font-family: sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f8f8f8;
    color: #333;
}

header {
    background-color: #fff;
    padding: 20px;
    text-align: center;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.logo img {
    max-width: 150px;
    height: auto;
}

main {
    padding: 20px;
}

.principal {
    background-color: #fff;
    padding: 30px;
    margin-bottom: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.principal h1 {
    color: #05396b;
    margin-bottom: 15px;
}

.principal p {
    line-height: 1.6;
}

.contato {
    background-color: #e0f7fa;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.contato h2 {
    color: #26a69a;
    margin-bottom: 10px;
}

.contato p {
    font-size: 1.1em;
}

.contato a {
    color: #00897b;
    text-decoration: none;
    font-weight: bold;
}

footer {
    background-color: #02396E;
    color: #02396E;
    text-align: center;
    padding: 10px;
    position: fixed;
    bottom: 0;
    width: 100%;
}

/* Responsividade */
@media (max-width: 600px) {
    header {
        padding: 15px;
    }

    .logo img {
        max-width: 100px;
    }

    main {
        padding: 15px;
    }

    .principal {
        padding: 20px;
        margin-bottom: 15px;
    }

    .principal h1 {
        font-size: 1.5em;
    }

    .contato {
        padding: 15px;
    }

    .contato h2 {
        font-size: 1.2em;
    }

    .contato p {
        font-size: 1em;
    }
}