.header-container {
    display: flex;
    flex-direction: column;
    width: 100%;
    padding: 5px 10% 0; 
    margin: 0;
    box-sizing: border-box;
    background-color: black;
    position: relative;
}

.header-first-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    height: 45px;
}

.hamburger-menu {
    display: none;
    font-size: 1.5em;
    background: none;
    border: none;
    cursor: pointer;
    color: white;
}

.header-logo1 {
    width: 165px;
    height: auto;
}

.header-logo2 {
    width: 40px;
}

.nav-menu ul {
    width: 60%;
    height: 35px;
    list-style-type: none;
    display: flex;
    margin: auto;
    padding: 0;
    justify-content: space-around;
    align-items: center;
}

.nav-menu li{
    margin-left: 20px;
}

.nav-links {
    text-decoration: none;
    font-size: 18px;
    color: white;
}

.nav-links:hover {
    border-bottom: 2px solid red;
}

@media (max-width: 768px) {
    .nav-menu {
        display: none; 
        position: absolute;
        top: 100%; 
        left: 0;
        width: 100%;
        flex-direction: column;
        align-items: center;
        z-index: 10; 
    }

    .nav-menu ul {
        flex-direction: column;
        width: 100%;
    }

    .nav-menu li {
        margin: 0;
        width: 100%;
        text-align: center;
        padding: 10px 0;
        background-color: #181818;
    }

    .hamburger-menu {
        display: flex; 
    }

    .nav-menu.active {
        display: block;
    }

}