nav {
    position: sticky;
    top: -1px;
    width: 100%;
    background-color: black;
    height: calc(15vh - 30px);
    z-index: 10;
    display: flex;
    align-items: center;
    color: white;
    font-size: 1.75em;
    font-weight: 500;
}
nav.fixed {
    position: fixed;
    top: 0;
}
nav .nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    height: calc(15vh - 30px);
    transition: 0.5s cubic-bezier(0.25, 0, 0.25, 1);
}
nav .nav-menu {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 80%;
    right: 10%;
    position: absolute;
    transition: 0.5s cubic-bezier(0.25, 0, 0.25, 1);
}

nav .nav-logo {
    font-family: 'Anton', sans-serif;
    font-size: 1.5rem;
    color: white;
    text-decoration: none;
    display: flex;
    align-items: center;
    position: absolute;
    opacity: 0;
    left: 0;
    transition: 0.5s cubic-bezier(0.25, 0, 0.25, 1);
    z-index: 1;
}
nav .nav-logo-image {
    mask: url("https://img.icons8.com/material-rounded/48/console.png");
    background: white;
    width: 48px;
    aspect-ratio: 1;
}
nav .nav-logo-text {
    margin-left: 5px;
}
nav.is-sticky .nav-menu {
    width: 40%;
}
nav.is-sticky .nav-logo {
    left: 10%;
    opacity: 1;
}
nav .nav-item {
    cursor: pointer;
    transition: 0.5s cubic-bezier(0.25, 0, 0.25, 1);
    padding: 15px;
    position: relative;
}
nav .nav-item::after {
    content: "";
    position: absolute;
    width: 0;
    height: 3px;
    background-color: white;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    transition: 0.2s cubic-bezier(0.25, 0, 0.25, 1);
}
nav .nav-item:hover::after {
    width: 80%;
}
nav .nav-burger {
    position: absolute;
    right: 10%;
    display: none;
    cursor: pointer;
    flex-direction: column;
    justify-content: space-between;
    padding: 10px;
    width: 32px;
    height: 24px;
}
nav .nav-burger .nav-burger-line {
    width: 100%;
    height: 4px;
    background-color: white;
    border-radius: 5px;
    transition: 0.15s;
}

nav .nav-burger.active .nav-burger-line:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}
nav .nav-burger.active .nav-burger-line:nth-child(2) {
    opacity: 0;
}
nav .nav-burger.active .nav-burger-line:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

nav .nav-burger-background {
    display: none;
}

@media (max-width: 800px) {
    nav.is-sticky .nav-menu {
        width: 80%;
    }
    nav .nav-menu {
        position: fixed;
        top: 50%;
        left: 50%;
        width: 80vw;
        transform: translate(-50%, -250%);
        opacity: 0;
        z-index: 1;
        flex-direction: column;
    }
    nav.active .nav-menu {
        transform: translate(-50%, -50%);
        opacity: 1;
    }
    nav .nav-logo {
        left: 10%;
        opacity: 1;
    }
    nav .nav-burger {
        display: flex;
    }
    nav .nav-burger-background {
        display: block;
        position: absolute;
        background-color: black;
        left: 0;
        top: 0;
        width: 100%;
        height: 100%;
        transition: 0.7s cubic-bezier(0.25, 0, 0.25, 1);
        z-index: 0;
    }
    nav.active .nav-container {
        position: fixed;
        top: -1px;
    }
    nav.active .nav-burger-background {
        width: 100vw;
        height: calc(100vh + 1px);
        top: 0;
    }
}