/* Mobile menu styles */
        .mobile-menu {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
        }
        
        .mobile-menu.active {
            max-height: 400px;
            transition: max-height 0.3s ease-in;
        }

        /* Hamburger animation */
        .hamburger {
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .hamburger.active .bar:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        
        .hamburger.active .bar:nth-child(2) {
            opacity: 0;
        }
        
        .hamburger.active .bar:nth-child(3) {
            transform: rotate(-45deg) translate(7px, -6px);
        }
        
        .bar {
            width: 25px;
            height: 3px;
            background-color: #374151;
            margin: 3px 0;
            transition: 0.3s;
            border-radius: 2px;
        }