/* =========================
   MENÚ PRINCIPAL (ESCRITORIO)
========================= */
.main-menu {
    background: #fff;               /* fondo blanco */
    border-top: 1px solid #ddd;
    border-bottom: 1px solid #ddd;
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 0 20px;
    height: 60px;
    display: flex;
    align-items: center;
}

/* Lista horizontal */
.main-menu ul {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin: 0;
    padding: 0;
    list-style: none;
    width: 100%;
}

.main-menu li {
    margin: 0 10px;
}

.main-menu a {
    color: #000;                    /* letras negras */
    text-decoration: none;
    text-transform: uppercase;
    font-size: 0.9rem;
    font-weight: 600;
}

.main-menu a:hover {
    color: #555;                    /* hover gris oscuro */
}

/* =========================
   BOTÓN HAMBURGUESA
========================= */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.menu-toggle span {
    width: 28px;
    height: 3px;
    background: #000;               /* líneas negras */
    border-radius: 3px;
}

/* =========================
   MENÚ MÓVIL
========================= */
@media (max-width: 900px) {
    .main-menu {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
    }

    .menu-toggle {
        display: flex;
        position: absolute;
        top: 15px;
        right: 15px;
        z-index: 1001;
    }

    .main-menu ul {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        height: 100vh;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        background: #fff;           /* fondo blanco móvil */
        display: none;
        gap: 0;
        margin: 0;
        padding: 0;
        z-index: 1000;
    }

    .main-menu ul.show {
        display: flex;
    }

    .main-menu ul li {
        margin: 0;
        padding: 15px 0;
        text-align: center;
    }

    .main-menu ul a {
        color: #000;                /* texto negro móvil */
        font-size: 1.1rem;
    }
}