/* Reset inicial */
html, body {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', sans-serif;
    background-color: #f8f9fa;
    color: #333;
}

/* Header */
header {
    background-color: #343a40;
    color: white;
    padding: 1rem 0;
    text-align: center;
}

header h1 {
    margin-bottom: 0.5rem;
}

nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
}

nav a {
    color: white;
    text-decoration: none;
    padding: 0.5rem 1rem;
    background-color: #495057;
    border-radius: 4px;
    transition: background-color 0.3s ease;
}

nav a:hover {
    background-color: #6c757d;
}

/* Main */
main {
    max-width: 960px;
    margin: 2rem auto;
    padding: 0 1rem;
}

/* Footer */
footer {
    background-color: #212529;
    color: white;
    text-align: center;
    padding: 1rem;
    margin-top: 2rem;
}

/* Responsive ajustes */
@media (max-width: 768px) {
    nav {
        flex-direction: column;
        gap: 0.5rem;
    }

    nav a {
        width: 90%;
        text-align: center;
        margin: 0 auto;
    }

    main {
        padding: 1rem;
    }
}