.hamburger-menu {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 30px;
    position: fixed;
    top: 20px;
    left: 20px;
    cursor: pointer;
    z-index: 1001;
}

.hamburger-menu .line {
    width: 100%;
    height: 4px;
    background-color: #ffffff;
    box-shadow: 0 0 1px 1px #000000;
    transition: all 0.3s ease;
}

@media (max-width: 768px) {
    .sidebar {
        display: none;
    }

    .hamburger-menu {
        display: flex;
    }

    .sidebar.show {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 0;
        left: 0;
        width: 250px;
        height: 100vh;
        background-color: #313030;
        z-index: 1000;
        box-shadow: 2px 0 5px rgba(0, 0, 0, 0.1);
    }
}