/* CSS de base - Mobile First */
body {
    font-family: Arial, sans-serif;
    font-size: 16px;
    line-height: 1.5;
    margin: 0;
    padding: 0.5rem;
    background-color: #c0c0c0;
}

header {
    text-align: center;
    padding: 1rem 0;
    background-color: #c0c0c0;
    color: black;
}

nav ul {
    list-style: none;
    padding: 0;
    margin: 0.5rem 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

nav ul li a {
    text-decoration: none;
    color: black;
    padding: 0.5rem;
    display: block;
    background-color: #ccc;
    border-radius: 5px;
}

main {
    padding: 1rem 0;
}

.articles article {
    margin-bottom: 1rem;
    padding: 0.5rem;
    background-color: #c0c0c0;
    border-radius: 5px;
}

footer {
    text-align: center;
    padding: 1rem 0;
    font-size: 0.9rem;
    background-color: #c0c0c0;
    color: #fff;
}