nav#mainNavbar.navbar {
    background: linear-gradient(135deg, #4A0A0A 0%, #6B1A1A 40%, #8B1A1A 60%, #6B1A1A 100%) !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.6) !important;
    padding: 0.5rem 0 !important;
    border-bottom: 3px solid rgba(255, 255, 255, 0.15) !important;
    min-height: 70px;
}

nav#mainNavbar .navbar-brand {
    padding: 0.3rem 0 !important;
}

nav#mainNavbar .brand-text {
    display: flex !important;
    flex-direction: column !important;
    line-height: 1.2 !important;
    border-left: 2px solid rgba(255, 255, 255, 0.3) !important;
    padding-left: 12px !important;
}

nav#mainNavbar .brand-title {
    font-size: 0.8rem !important;
    font-weight: 300 !important;
    color: rgba(255, 255, 255, 0.8) !important;
    letter-spacing: 1px !important;
}

nav#mainNavbar .brand-subtitle {
    font-size: 1.1rem !important;
    font-weight: 700 !important;
    color: #FFFFFF !important;
    letter-spacing: 2px !important;
    text-transform: uppercase !important;
}

/* === Enlaces principales === */
nav#mainNavbar .navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.85) !important;
    font-size: 0.82rem !important;
    font-weight: 600 !important;
    padding: 0.6rem 1.2rem !important;
    border-radius: 8px !important;
    margin: 0 2px !important;
    letter-spacing: 0.5px !important;
    transition: all 0.3s ease !important;
    position: relative !important;
}

nav#mainNavbar .navbar-nav .nav-link:hover {
    color: #FFFFFF !important;
    background: rgba(255, 255, 255, 0.12) !important;
    transform: translateY(-1px) !important;
}

nav#mainNavbar .navbar-nav .nav-link.active {
    color: #FFFFFF !important;
    background: rgba(255, 255, 255, 0.15) !important;
}

nav#mainNavbar .navbar-nav .nav-link::after {
    content: '' !important;
    position: absolute !important;
    bottom: 2px !important;
    left: 50% !important;
    width: 0 !important;
    height: 2px !important;
    background: #FFFFFF !important;
    transition: all 0.3s ease !important;
    transform: translateX(-50%) !important;
    border-radius: 2px !important;
}

nav#mainNavbar .navbar-nav .nav-link:hover::after,
nav#mainNavbar .navbar-nav .nav-link.active::after {
    width: 60% !important;
}


/* === Dropdown principal === */
nav#mainNavbar .dropdown-menu,
nav#mainNavbar .dropdown-menu.show {
    background: #6B1A1A !important;
    border: 1px solid rgba(255, 255, 255, 0.08) !important;
    border-radius: 12px !important;
    padding: 0.5rem !important;
    margin-top: 8px !important;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.7) !important;
    min-width: 240px !important;
}

nav#mainNavbar .dropdown-menu .dropdown-item,
nav#mainNavbar .dropdown-menu.show .dropdown-item {
    color: rgba(255, 255, 255, 0.9) !important;
    padding: 0.6rem 1rem !important;
    border-radius: 8px !important;
    font-size: 0.85rem !important;
    font-weight: 500 !important;
    transition: all 0.25s ease !important;
    background: transparent !important;
}

nav#mainNavbar .dropdown-menu .dropdown-item:hover,
nav#mainNavbar .dropdown-menu.show .dropdown-item:hover {
    background: rgba(255, 255, 255, 0.1) !important;
    color: #FFFFFF !important;
    padding-left: 1.5rem !important;
}

nav#mainNavbar .dropdown-menu .dropdown-item i,
nav#mainNavbar .dropdown-menu.show .dropdown-item i {
    width: 20px !important;
    text-align: center !important;
    color: rgba(255, 255, 255, 0.6) !important;
}

nav#mainNavbar .dropdown-menu .dropdown-divider {
    border-color: rgba(255, 255, 255, 0.06) !important;
    margin: 0.3rem 0 !important;
}


.dropdown-submenu {
    position: relative !important;
}

.dropdown-submenu > .submenu,
.dropdown-submenu > .dropdown-menu {
    display: none !important;
    position: absolute !important;
    top: 0 !important;
    left: 100% !important;
    margin-top: -4px !important;
    margin-left: 4px !important;
    min-width: 200px !important;
    background: #6B1A1A !important;
    border: 1px solid rgba(255, 255, 255, 0.08) !important;
    border-radius: 12px !important;
    padding: 0.5rem !important;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.7) !important;
}

.dropdown-submenu:hover > .submenu,
.dropdown-submenu:hover > .dropdown-menu {
    display: block !important;
    animation: fadeSlideIn 0.25s ease !important;
}

.dropdown-submenu .submenu .dropdown-item,
.dropdown-submenu .dropdown-menu .dropdown-item {
    color: rgba(255, 255, 255, 0.9) !important;
    padding: 0.6rem 1rem !important;
    border-radius: 8px !important;
    font-size: 0.85rem !important;
    font-weight: 500 !important;
    transition: all 0.25s ease !important;
    background: transparent !important;
}

.dropdown-submenu .submenu .dropdown-item:hover,
.dropdown-submenu .dropdown-menu .dropdown-item:hover {
    background: rgba(255, 255, 255, 0.1) !important;
    color: #FFFFFF !important;
    padding-left: 1.5rem !important;
}

.dropdown-submenu .submenu .dropdown-item i,
.dropdown-submenu .dropdown-menu .dropdown-item i {
    width: 20px !important;
    text-align: center !important;
    color: rgba(255, 255, 255, 0.6) !important;
}

.dropdown-submenu > .dropdown-toggle::after {
    content: "▸" !important;
    float: right !important;
    font-size: 12px !important;
    margin-top: 2px !important;
    color: rgba(255, 255, 255, 0.5) !important;
    border: none !important;
}

@keyframes fadeSlideIn {
    from {
        opacity: 0;
        transform: translateY(-8px) scale(0.97);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}


@media (max-width: 991.98px) {
    nav#mainNavbar.navbar {
        padding: 0.3rem 0 !important;
    }

    nav#mainNavbar .brand-text {
        border-left: none !important;
        padding-left: 0 !important;
    }

    nav#mainNavbar .brand-title {
        font-size: 0.65rem !important;
    }
    nav#mainNavbar .brand-subtitle {
        font-size: 0.85rem !important;
    }

    nav#mainNavbar .navbar-nav .nav-link {
        padding: 0.7rem 1rem !important;
        margin: 2px 0 !important;
        border-radius: 8px !important;
        font-size: 0.85rem !important;
    }

    nav#mainNavbar .navbar-nav .nav-link::after {
        display: none !important;
    }

    nav#mainNavbar .navbar-nav .nav-link:hover {
        transform: none !important;
    }

    /* Dropdowns en móvil */
    nav#mainNavbar .dropdown-menu,
    nav#mainNavbar .dropdown-menu.show {
        background: rgba(255, 255, 255, 0.04) !important;
        border: none !important;
        box-shadow: none !important;
        border-radius: 8px !important;
        padding: 0.3rem 0 !important;
        margin-top: 0 !important;
    }

    nav#mainNavbar .dropdown-menu .dropdown-item,
    nav#mainNavbar .dropdown-menu.show .dropdown-item {
        padding: 0.5rem 1rem 0.5rem 2rem !important;
        font-size: 0.82rem !important;
    }

    nav#mainNavbar .dropdown-menu .dropdown-item:hover,
    nav#mainNavbar .dropdown-menu.show .dropdown-item:hover {
        padding-left: 2.5rem !important;
    }

    /* Submenús en móvil */
    .dropdown-submenu > .submenu,
    .dropdown-submenu > .dropdown-menu {
        position: static !important;
        box-shadow: none !important;
        padding-left: 1.5rem !important;
        background: rgba(255, 255, 255, 0.02) !important;
        border: none !important;
        border-radius: 8px !important;
        margin-left: 0 !important;
        margin-top: 0 !important;
        display: block !important;
    }

    .dropdown-submenu > .dropdown-toggle::after {
        content: "▼" !important;
        font-size: 10px !important;
    }

    .navbar-toggler {
        padding: 0.4rem 0.6rem !important;
        border: 2px solid rgba(255, 255, 255, 0.3) !important;
        border-radius: 8px !important;
    }

    .navbar-toggler:focus {
        box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.15) !important;
    }

    .navbar-toggler-icon {
        filter: brightness(0) invert(1) !important;
    }
}

@media (max-width: 576px) {
    nav#mainNavbar .navbar-brand img {
        height: 38px !important;
    }

    nav#mainNavbar .brand-title {
        font-size: 0.55rem !important;
    }
    nav#mainNavbar .brand-subtitle {
        font-size: 0.7rem !important;
    }

    nav#mainNavbar .navbar-nav .nav-link {
        font-size: 0.78rem !important;
        padding: 0.5rem 0.8rem !important;
    }

    nav#mainNavbar .dropdown-menu .dropdown-item,
    nav#mainNavbar .dropdown-menu.show .dropdown-item {
        font-size: 0.75rem !important;
        padding: 0.4rem 0.8rem 0.4rem 1.5rem !important;
    }

    .dropdown-submenu .submenu .dropdown-item,
    .dropdown-submenu .dropdown-menu .dropdown-item {
        padding-left: 2rem !important;
    }
}