/* Reset básico */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

/* Cabeçalho */
header img {
    max-width: 180px;
}

/* Menu */
nav {
    background-color: #000;
}

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

nav ul li {
    margin: 0;
}

nav ul li a {
    display: block;
    padding: 15px 20px;
    color: #fff;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s;
}

nav ul li a:hover {
    background-color: #444;
}

/* Seções */
section {
    padding: 40px 20px;
}

section h2 {
    font-size: 28px;
    margin-bottom: 20px;
    text-align: center;
}

section p {
    font-size: 18px;
    line-height: 1.6;
    max-width: 1000px;
    margin: 0 auto 15px auto;
    text-align: justify;
}

/* Rodapé */
footer {
    background-color: #000;
    color: #fff;
    padding: 20px;
    text-align: center;
    font-size: 14px;
}

/* Menu sanduíche (responsivo) */
.menu-toggle {
    display: none;
    cursor: pointer;
    padding: 15px;
    background-color: #000;
    color: #fff;
    text-align: center;
    font-size: 18px;
}

@media (max-width: 768px) {
    nav ul {
        flex-direction: column;
        display: none;
    }

    nav ul.active {
        display: flex;
    }

    .menu-toggle {
        display: block;
    }
}