/* ========== MOBILE MENU ========== */
.mobile-menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 998;
    opacity: 0;
    transition: opacity 0.3s;
}

.mobile-menu-overlay.active {
    display: block;
    opacity: 1;
}

.mobile-nav {
    position: fixed;
    top: 0;
    left: -100%;
    width: 280px;
    max-width: 85vw;
    height: 100vh;
    background: white;
    z-index: 999;
    overflow-y: auto;
    box-shadow: 2px 0 10px rgba(0,0,0,0.1);
    transition: left 0.3s ease;
}

.mobile-nav.active {
    left: 0;
}

.mobile-nav-header {
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    color: white;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1;
}

.mobile-nav-header h2 {
    margin: 0;
    font-size: 1.3em;
    font-weight: 600;
}

.mobile-menu-close {
    background: none;
    border: none;
    color: white;
    font-size: 28px;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.mobile-nav-content {
    padding: 0;
}

.mobile-nav-link {
    display: flex;
    align-items: center;
    padding: 16px 20px;
    color: #1e293b;
    text-decoration: none;
    border-bottom: 1px solid #f1f5f9;
    transition: all 0.2s;
    font-size: 16px;
    background: none;
    border: none;
    width: 100%;
    text-align: left;
    cursor: pointer;
    font-family: inherit;
}

.mobile-nav-link:active {
    background: #f8f9fa;
}

.mobile-nav-link.active {
    background: #f1f5f9;
    border-left: 4px solid #334155;
    font-weight: 600;
    color: #1e293b;
}

.nav-icon {
    font-size: 20px;
    margin-right: 12px;
    width: 24px;
    text-align: center;
}

.nav-arrow {
    margin-left: auto;
    color: #9ca3af;
    font-size: 20px;
}

.mobile-nav-divider {
    height: 1px;
    background: #e5e7eb;
    margin: 8px 0;
}

.mobile-nav-section {
    padding: 8px 0;
}

.mobile-nav-section-title {
    padding: 12px 20px;
    font-size: 13px;
    font-weight: 600;
    color: #6b7280;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.mobile-nav-section-toggle {
    display: flex;
    align-items: center;
    width: 100%;
    padding: 16px 20px;
    background: none;
    border: none;
    border-bottom: 1px solid #f1f5f9;
    color: #1e293b;
    text-decoration: none;
    font-size: 16px;
    font-family: inherit;
    cursor: pointer;
    text-align: left;
    transition: background 0.2s;
}

.mobile-nav-section-toggle:active {
    background: #f8f9fa;
}

.mobile-nav-section-toggle .nav-icon {
    font-size: 20px;
    margin-right: 12px;
    width: 24px;
    text-align: center;
}

.mobile-nav-section-toggle .nav-arrow {
    margin-left: auto;
    color: #9ca3af;
    font-size: 20px;
    transition: transform 0.3s;
}

.mobile-nav-section-toggle.active .nav-arrow {
    transform: rotate(90deg);
}

.mobile-nav-submenu {
    background: #f9fafb;
    padding-left: 20px;
}

.mobile-nav-submenu .mobile-nav-link {
    padding-left: 52px;
    font-size: 15px;
}

.mobile-language-menu {
    background: #f9fafb;
    padding-left: 20px;
}

.mobile-language-menu .mobile-nav-link {
    padding-left: 52px;
    font-size: 15px;
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .desktop-nav {
        display: none;
    }
    
    .mobile-nav {
        display: block;
    }
    
    .container {
        padding: 10px;
    }
    
    header {
        padding: 15px;
        margin-bottom: 15px;
    }
    
    header h1 {
        font-size: 1.5em;
    }
}