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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    background-color: #f4f4f4;
    color: #333;
}

header {
    background-color: #003366;
    color: white;
    padding: 20px 0;
    text-align: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

header h1 {
    margin-bottom: 10px;
}

nav .menu {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 20px;
    padding: 0;
}

nav .menu li a {
    color: white;
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s;
}

nav .menu li a:hover {
    color: #ffcc00;
}

main {
    padding: 40px 20px;
    max-width: 800px;
    margin: auto;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.05);
}

.intro h2 {
    margin-bottom: 10px;
}

.conteudos ul {
    margin-top: 10px;
    padding-left: 20px;
}

.conteudos ul li {
    margin-bottom: 5px;
}