/* ==== NAVIGATION - Responsive ==== */
.nav {
    background: var(--nav-background);
    background: var(--nav-main-back-trans);
    backdrop-filter: var(--nav-main-back-blur);
    padding: 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-index-nav);
    box-shadow: var(--shadow-nav);
    border-bottom: 2px solid var(--thai-beige);
    display: block;
    height: var(--nav-height);
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.nav-logo-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs, 8px);
    text-decoration: none;
}

.nav-logo {
    margin-top: var(--nav-logo-margin-top);
    height: auto;
    width: var(--nav-logo-width);
}

.nav-logo-text {
    height: var(--nav-logo-text-height);
    width: auto;
    margin-top: var(--nav-logo-text-margin-top);
}

/* Desktop Navigation Menu */
.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin: 0;
    padding: 0;
    list-style: none;
}

.nav-link {
    display: block;
    color: var(--text-light);
    text-decoration: none;
    padding: var(--nav-link-padding);
    font-family: var(--font-body);
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-nav);
    letter-spacing: var(--letter-spacing-nav);
    transition: all var(--transition-fast);
    border-bottom: var(--nav-border-bottom-width) solid transparent;
    border-radius: var(--border-radius-sm);
    white-space: nowrap;
}

.nav-link:hover {
    background: var(--nav-hover-background);
    color: var(--thai-dark-green);
}

.nav-link:focus,
.nav-link:active {
    background: var(--nav-hover-background);
    color: var(--thai-dark-green);
    outline: none;
}

.nav-link:visited {
    color: var(--text-light);
}

/* Dropdown Button Styles */
.dropbtn:focus,
.dropbtn:active,
.language-switcher:focus,
.language-switcher:active {
    background: var(--nav-hover-background);
    color: var(--thai-dark-green);
    outline: none;
}

.dropbtn:visited,
.language-switcher:visited {
    color: var(--text-light);
}

/* Hamburger Menu (hidden on desktop) */
.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: var(--nav-toggle-padding);
}

.nav-toggle span {
    width: var(--nav-toggle-span-width);
    height: var(--nav-toggle-span-height);
    background: var(--text-light);
    margin: var(--nav-toggle-span-margin);
    transition: all 0.3s ease;
    border-radius: 2px;
}

/* Dropdown Styles */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-content {
    opacity: 0;
    visibility: hidden;
    position: absolute;
    background-color: var(--nav-background);

    min-width: 200px;
    box-shadow: var(--shadow-card);
    border-radius: var(--border-radius-sm);
    z-index: 1001;
    right: 0;
    top: 100%;
    margin-top: 0;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    transition-delay: 0s;
}

.dropdown-content a {
    color: var(--text-light);
    padding: 12px 16px;
    text-decoration: none;
    display: block;

    border-radius: var(--border-radius-sm);
    font-weight: var(--font-weight-normal);
    transition: background-color var(--transition-fast);
}

.dropdown-content a:hover {
    background-color: var(--thai-beige);
    color: var(--thai-dark-green);
}

.dropdown:hover .dropdown-content {
    opacity: 1;
    visibility: visible;
    transition-delay: 0s;
}

.dropdown .dropdown-content {
    transition-delay: 0.2s;
}

/* ==== SUBMENU SYSTEM (Multi-Level) ==== */
.dropdown-submenu {
    position: relative;
}

.submenu-btn {
    position: relative;
}

.submenu-content {
    opacity: 0;
    visibility: hidden;
    position: absolute;
    left: 100%;
    top: 0;
    background-color: var(--background-white);
    min-width: 180px;
    box-shadow: var(--shadow-card);
    border: 2px solid var(--thai-dark-green);
    border-radius: var(--border-radius-sm);
    z-index: 1002;
    transition: opacity 0.2s ease, visibility 0.2s ease;
    transition-delay: 0s;
}

.dropdown-submenu:hover .submenu-content {
    opacity: 1;
    visibility: visible;
    transition-delay: 0s;
}

.submenu-content {
    transition-delay: 0.1s;
}

.submenu-content a {
    color: var(--text-dark);
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    border-bottom: none;
    font-weight: var(--font-weight-normal);
    transition: background-color var(--transition-fast);
}

.submenu-content a:hover {
    background-color: var(--subnav-hover-background);
    color: var(--thai-dark-green);
}

.nav li {
    margin: 0;
}

/* Mobile Navigation */
/* Responsive Logo Adjustments */
@media (max-width: 991px) {

    /* Show hamburger menu */
    .nav-toggle {
        display: flex;
    }

    /* Hide desktop menu initially */
    .nav-menu {
        position: fixed;
        left: -100%;
        top: var(--nav-height);
        flex-direction: column;
        background-color: var(--nav-background);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-nav);
        padding: var(--spacing-md) 0;
        max-height: calc(100vh - var(--nav-height));
        overflow-y: auto;
    }

    /* Show menu when active */
    .nav-menu.active {
        left: 0;
    }

    /* Mobile menu items */
    .nav-link {
        padding: 12px var(--spacing-md);
        border-bottom: 1px solid var(--border-light);
        width: 100%;
        text-align: center;
        font-size: 1em;
    }

    /* Mobile dropdowns */
    .dropdown {
        width: 100%;
    }

    .dropdown-content {
        position: static;
        opacity: 0;
        visibility: hidden;
        max-height: 0;
        overflow: hidden;
        width: 100%;
        box-shadow: none;
        background-color: var(--nav-hover-background);
        border: none;
        border-radius: 0;
        margin: 0;
        padding: 0;
        transition: max-height 0.3s ease, opacity 0.3s ease, visibility 0.3s ease;
    }

    .dropdown.active .dropdown-content {
        opacity: 1;
        visibility: visible;
        max-height: 300px;
        display: block;
    }

    .dropdown-content a {
        color: var(--thai-dark-green);
        padding: 8px var(--spacing-md);
        border-bottom: 1px solid rgba(0, 0, 0, 0.1);
        font-size: 0.9em;
    }

    /* Mobile Submenu System */
    .dropdown-submenu {
        width: 100%;
    }

    .submenu-content {
        position: static;
        opacity: 0;
        visibility: hidden;
        max-height: 0;
        overflow: hidden;
        width: 100%;
        box-shadow: none;
        background-color: var(--thai-beige);
        border: none;
        border-radius: 0;
        margin: 0;
        padding: 0;
        transition: max-height 0.3s ease, opacity 0.3s ease, visibility 0.3s ease;
    }

    .dropdown-submenu.active .submenu-content {
        opacity: 1;
        visibility: visible;
        max-height: 200px;
        display: block;
    }

    .submenu-content a {
        color: var(--thai-dark-green);
        padding: 8px var(--spacing-lg);
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
        font-size: 0.85em;
        background-color: var(--thai-light-beige);
    }

    .submenu-content a:hover {
        background-color: var(--thai-beige);
    }

    /* Hamburger animation */
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(-45deg) translate(-5px, 6px);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(45deg) translate(-5px, -6px);
    }

    /* Logo responsive adjustments for tablet */
    .nav-logo-link {
        gap: var(--spacing-xs, 6px);
    }

    .nav-logo {
        width: calc(var(--nav-logo-width) * 0.9);
    }

    .nav-logo-text {
        height: calc(var(--nav-logo-text-height) * 0.9);
        width: auto;
    }
}

@media (max-width: 767px) {
    .nav-logo-link {
        gap: var(--spacing-xs, 4px);
    }

    .nav-logo {
        width: calc(var(--nav-logo-width) * 0.8);
    }

    .nav-logo-text {
        height: calc(var(--nav-logo-text-height) * 0.9);
        width: auto;
    }
}

@media (max-width: 480px) {
    .nav-logo-link {
        flex-direction: row;
        /* Logo und Text nebeneinander */
        gap: var(--spacing-xxs, 2px);
        align-items: center;
    }

    .nav-logo {
        width: calc(var(--nav-logo-width) * 0.7);
    }

    .nav-logo-text {
        height: calc(var(--nav-logo-text-height) * 0.9);
        width: auto;
    }
}

/* ==================== LANGUAGE SWITCHER ==================== */

/* Language Dropdown Styles */
.language-switcher {
    position: relative;
}

.language-dropdown {
    min-width: 140px;
}

.language-option {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    transition: background-color var(--transition-fast);
}

.language-option:hover {
    background-color: var(--subnav-hover-background);
}

.flag-icon {
    width: 20px;
    height: 15px;
    object-fit: cover;
    border-radius: 2px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}