/* --- RESET BÁSICO --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* --- BODY --- */
body {
    font-family: 'Arial', sans-serif;
    background-color: #fdfdfd;
    color: #222;
    line-height: 1.6;
    padding: 20px;
}

/* --- HEADER --- */
header {
    text-align: center;
    padding: 25px 10px;
    border-bottom: 2px solid #ddd;
}

header h1 {
    font-size: 2rem;
    margin-bottom: 10px;
    color: #1a1a1a;
}

header img {
    max-width: 180px;
    height: auto;
}

/* --- NAV --- */
nav ul {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    list-style: none;
    margin-top: 15px;
    gap: 10px;
}

nav li {
    margin: 5px 0;
}

nav a {
    display: inline-block;
    padding: 6px 14px;
    background-color: #eee;
    color: #333;
    text-decoration: none;
    border-radius: 4px;
    transition: 0.2s;
}

nav a:hover {
    background-color: #cce4ff;
}

/* --- MAIN --- */
main h2 {
    text-align: center;
    margin: 25px 0;
    font-size: 1.8rem;
    color: #0b5ed7;
}

article {
    margin-bottom: 35px;
    padding: 15px;
    border-radius: 6px;
    background-color: #fafafa;
    border: 1px solid #ddd;
}

article h3 {
    margin-bottom: 12px;
    color: #0b5ed7;
}

/* --- TABLAS --- */
table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 12px;
}

th, td {
    border: 1px solid #ccc;
    text-align: center;
    padding: 8px 5px;
}

th {
    background-color: #0b5ed7;
    color: #fff;
    font-weight: 600;
}

tr:nth-child(even) td {
    background-color: #f0f4f8;
}

/* --- PIE DE ARTÍCULO --- */
.PieArt {
    font-size: 0.9rem;
    font-style: italic;
    text-align: right;
    color: #555;
}

/* --- FOOTER --- */
footer {
    text-align: center;
    margin-top: 40px;
    font-size: 0.85rem;
    color: #666;
}

footer table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 10px;
}

footer td {
    border: 1px solid #ddd;
    padding: 6px;
    font-size: 0.85rem;
}

/* --- RESPONSIVE --- */
@media (max-width: 800px) {
    nav ul {
        flex-direction: column;
        align-items: center;
    }

    table, th, td {
        font-size: 12px;
    }

    header h1 {
        font-size: 1.5rem;
    }
}