/* Mobile menu default state */
#menu {
    display: none;
    position: absolute;
    top: 50px;
    right: 0;
    background: #fff;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    width: 100%;
}

    /* Mobile menu visible when open */
    #menu.open {
        display: block;
    }

/* Hamburger button styles */
.btn_mobile {
    cursor: pointer;
}