.has-submenu {
    position: relative;
}

.has-submenu > a::after {
    content: ' ▼';
    font-size: 0.7rem;
    margin-left: 0.3rem;
    transition: transform 0.3s;
}

.has-submenu:hover > a::after {
    transform: rotate(180deg);
}

/* Submenu container */
.submenu {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    min-width: 220px;
    list-style: none;
    padding: 0.5rem 0;
    margin: 0;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
    border-radius: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.3s, transform 0.3s, visibility 0.3s;
    z-index: 1000;
}

/* Show submenu on hover */
.has-submenu:hover .submenu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Submenu items */
.submenu li {
    padding: 0;
}

.submenu li a {
    display: block;
    padding: 0.8rem 1.5rem;
    color: #333;
    text-decoration: none;
    font-weight: 400;
    transition: background 0.3s, color 0.3s, padding-left 0.3s;
    border-left: 3px solid transparent;
}

.submenu li a:hover {
    background: #f8f9fa;
    color: #ff6b6b;
    padding-left: 2rem;
    border-left-color: #ff6b6b;
}

/* Language Selector */
.language-selector > a {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.language-selector .lang-icon {
    font-size: 1.1rem;
}

.language-selector .lang-code {
    font-weight: 600;
    font-size: 0.85rem;
}

.language-selector .lang-menu {
    right: 0;
    left: auto;
    min-width: 160px;
}

.language-selector .lang-menu li a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.language-selector .lang-menu li a.active {
    background: #f0f7ff;
    color: #ff6b6b;
    font-weight: 600;
}

/* Mobile Submenu Styles */
@media (max-width: 768px) {
    .submenu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: #f8f9fa;
        margin-top: 0.5rem;
        border-radius: 5px;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease-in-out, padding 0.3s;
        padding: 0;
    }

    .has-submenu.active .submenu {
        max-height: 500px;
        padding: 0.5rem 0;
    }

    .has-submenu > a {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .has-submenu > a::after {
        transition: transform 0.3s;
    }

    .has-submenu.active > a::after {
        transform: rotate(180deg);
    }

    .submenu li a {
        padding: 0.7rem 1.5rem 0.7rem 2rem;
        font-size: 0.95rem;
    }

    .submenu li a:hover {
        padding-left: 2.5rem;
    }
}