body {
    position: relative;
}

header {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: #f8f8f8;
}

li {
    list-style: none;
}

a {
    color: black;
    text-decoration: none;
}

.container {
    width: 1600px;
    margin: auto;
}

@media(max-width: 1600px) {
    .container {
        width: 100%;
    }
}

.sub-container {
    width: 85%;
    margin: auto;
}

.navbar{
    width: 100%;
    min-height: 70px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-menu{
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 60px;
}

.nav-branding{
    font-size: 2rem;
}

.hamburger{
    display: none;
    cursor: pointer;
}

.bar{
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px 0;
    transition: all 0.3s ease;
    background-color: black;
}


@media(max-width: 1600px) {
    .hamburger{
        display: block;
    }

    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }
    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .nav-menu{
        position: fixed;
        left: -100%;
        top: 70px;
        gap: 0;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
    }

    .nav-item{
        margin: 16px 0;
    }

    .nav-menu.active{
        left: 0;
    }
}

html {
    scroll-behavior: smooth;
}