/* Mobile Navigation Improvements */
@media (max-width: 991.98px) {
    .navbar-collapse {
        background: #1a2b34;
        /* Solid fallback */
        background: rgba(26, 43, 52, 0.98);
        backdrop-filter: blur(15px);
        -webkit-backdrop-filter: blur(15px);
        position: absolute;
        top: 100%;
        left: 10px;
        right: 10px;
        padding: 15px;
        border-radius: 15px;
        border: 1px solid rgba(255, 255, 255, 0.1);
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
        margin-top: 10px;
    }

    .navbar-nav .nav-item {
        margin-bottom: 8px;
    }

    .navbar-nav .nav-link {
        display: flex;
        align-items: center;
        padding: 12px 20px !important;
        border-radius: 12px;
        background-color: rgba(255, 255, 255, 0.03);
        font-size: 1rem;
        color: rgba(255, 255, 255, 0.9) !important;
        border: 1px solid transparent;
    }

    .navbar-nav .nav-link:hover,
    .navbar-nav .nav-link.active {
        background-color: rgba(255, 255, 255, 0.1);
        border-color: rgba(255, 255, 255, 0.1);
        transform: translateX(5px);
        color: #fff !important;
    }

    .navbar-nav .nav-link i {
        margin-right: 15px;
        width: 20px;
        text-align: center;
        color: var(--accent-cyan);
    }

    /* Dropdown Handling on Mobile */
    .navbar-nav .dropdown-menu {
        background: transparent !important;
        border: none;
        padding-left: 15px;
        margin-top: 0 !important;
    }

    .navbar-nav .dropdown-item {
        color: rgba(255, 255, 255, 0.7) !important;
        padding: 10px 15px;
        border-left: 2px solid rgba(255, 255, 255, 0.1);
    }

    .navbar-nav .dropdown-item:hover {
        background: transparent;
        color: #fff !important;
        border-left-color: var(--accent-cyan);
    }

    /* Toggler Button */
    .navbar-toggler {
        border: none !important;
        background: rgba(255, 255, 255, 0.1);
        border-radius: 8px;
        padding: 8px 12px;
        transition: all 0.2s;
    }

    .navbar-toggler:focus {
        box-shadow: 0 0 0 3px rgba(0, 210, 211, 0.3);
    }

    .navbar-toggler-icon {
        width: 1.2em;
        height: 1.2em;
        /* Custom coloring for the SVG icon usually requires replacing the image or using filters */
        filter: invert(1) brightness(2);
    }
}