.menu-content {
    width: 0;
    height: 0;
    overflow: auto;
    background-color: var(--border-color);
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    padding-top: 60px;
}

.menu-content.active {
    width: 400px;
    height: 100%;
    background-color: var(--border-color);
}

.menu-content nav ul {
    padding: 20px;
}

.burger-button {
    position: fixed;
    top: 10px;
    left: 10px;
    z-index: 1001;
    border-radius: 4px;
    padding: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--overlay-color);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
}

.menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

@media (max-width: 768px) {
    .menu-content.active {
        width: 100%;
    }
}

.cart-button {
    z-index: 1001;
}

.cart-button a {
    position: fixed;
    top: 13px;
    right: 10px;
    display: inline-flex;
    align-items: center;
    padding: 6px 12px;
    border-radius: 4px;
    text-decoration: none;
}

.cart-button span {
    margin-left: 6px;
    color: var(--button-text-color);
    padding: 2px 6px;
    font-size: 12px;
    line-height: 1;
}

.submenu {
    max-height: 0;
    overflow: hidden;
}

.submenu:not(.hidden) {
    max-height: 500px;
}

.rotate-180 {
    transform: rotate(180deg);
}