/* Encabezado compartido. Cargar después de los estilos de cada página. */
body > header {
    background-color: #33bd37;
    color: white;
    position: relative;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
    gap: 0;
    font-family: Arial, sans-serif;
    font-size: 16px;
}

body > header .logo { flex: 0 0 auto; }
body > header .logo img { display: block; height: 125px; width: auto; }

body > header h1 {
    flex: 1 1 0;
    min-width: 0;
    margin: 0 10px;
    font-size: 1.8em;
    line-height: 1.2;
    text-align: center;
}

body > header .menu-toggle {
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    display: none;
    flex: 0 0 auto;
    order: 3;
    margin: 0;
    padding: 10px;
    font-size: 1.8em;
    line-height: 1;
}

body > header .nav-menu { display: flex; flex: 0 0 auto; width: auto; order: 4; }
body > header .nav-menu ul {
    list-style: none;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    width: auto;
    margin: 0;
    padding: 0;
}

body > header .nav-menu a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    padding: 5px 10px;
    border-radius: 4px;
    transition: background-color 0.3s;
}

body > header .nav-menu a:hover { background-color: rgba(255, 255, 255, 0.2); }

/* En pantallas intermedias, el menú ocupa una fila propia junto al logo. */
@media (min-width: 769px) and (max-width: 1150px) {
    body > header {
        display: grid;
        grid-template-columns: auto minmax(0, 1fr);
        grid-template-rows: auto auto;
        column-gap: 24px;
        row-gap: 14px;
    }

    body > header .logo {
        grid-column: 1;
        grid-row: 1 / 3;
    }

    body > header h1 {
        grid-column: 2;
        grid-row: 1;
        margin: 0;
    }

    body > header .nav-menu {
        grid-column: 2;
        grid-row: 2;
        justify-content: center;
        min-width: 0;
    }

    body > header .nav-menu ul {
        justify-content: center;
        row-gap: 10px;
    }
}

@media (max-width: 768px) {
    body > header { padding: 8px 16px; }
    body > header .logo img { height: 80px; }
    body > header h1 { font-size: 1.3em; text-align: left; }
    body > header .menu-toggle { display: block; }
    body > header .nav-menu { display: none; flex-basis: 100%; width: 100%; }
    body > header .nav-menu.active { display: block; }
    body > header .nav-menu ul { flex-direction: column; width: 100%; gap: 0; }
    body > header .nav-menu li { width: 100%; text-align: center; padding: 0.5em 0; }
    body > header .nav-menu a { display: block; padding: 10px 0; }
}

@media (max-width: 480px) {
    body > header .logo img { height: 60px; }
    body > header h1 { font-size: 1.1em; }
}