:root {
    --header-title-font-size: 2rem;
}

.header-nav-menu {
    height: var(--header-title-font-size);
    aspect-ratio: 1/1;
    position: relative;
    -webkit-transform: rotate(0deg);
    -moz-transform: rotate(0deg);
    -o-transform: rotate(0deg);
    transform: rotate(0deg);
    -webkit-transition: .5s ease-in-out;
    -moz-transition: .5s ease-in-out;
    -o-transition: .5s ease-in-out;
    transition: .5s ease-in-out;
    cursor: pointer;
    margin: 0 auto;
    display: flex;
}

.header-nav-menu span {
    display: block;
    position: absolute;
    height: 3px;
    width: 100%;
    background: #262626;
    border-radius: 3px;
    opacity: 1;
    left: 0;
    -webkit-transform: rotate(0deg);
    -moz-transform: rotate(0deg);
    -o-transform: rotate(0deg);
    transform: rotate(0deg);
    -webkit-transition: .25s ease-in-out;
    -moz-transition: .25s ease-in-out;
    -o-transition: .25s ease-in-out;
    transition: .25s ease-in-out;
}

.header-nav-menu span:nth-child(1) {
    align-self: flex-start;
}

.header-nav-menu span:nth-child(2),
.header-nav-menu span:nth-child(3) {
    align-self: center;
}

.header-nav-menu span:nth-child(4) {
    align-self: flex-end;
}

.header-nav-menu.open span:nth-child(1) {
    width: 0%;
    opacity: 0;
}

.header-nav-menu.open span:nth-child(2) {
    -webkit-transform: rotate(45deg);
    -moz-transform: rotate(45deg);
    -o-transform: rotate(45deg);
    transform: rotate(45deg);
}

.header-nav-menu.open span:nth-child(3) {
    -webkit-transform: rotate(-45deg);
    -moz-transform: rotate(-45deg);
    -o-transform: rotate(-45deg);
    transform: rotate(-45deg);
}

.header-nav-menu.open span:nth-child(4) {
    transform: translateX(40px);
    width: 0%;
    opacity: 0;
}

#header-nav-dialog {
    position: absolute;
    width: 100vw;
    height: 100vh;
    top: 0;
    background-color: #f0f0f0;
    padding: 0;
    margin: 0;
    border: none;
    z-index: 2;

    display: none;
}

#header-nav-dialog.open {
    left: 0;
    top: 0;
    transform: translateX(-10vw);
    display: unset;
}

#header-nav-close-container {
    display: flex;
    flex-direction: row-reverse;
    width: 80vw;
    margin-left: 10vw;
}

#header-nav-links {
    top: 22.5vh;
    position: absolute;
    margin: 0;
    margin-left: 25vw;
    width: 50vw;
    display: flex;
    flex-direction: column;
    text-align: center;
    align-items: center;
    cursor: pointer;
}

#header-nav-links>h1 {
    font-size: 2rem;
    width: min-content;
    white-space: nowrap;
}

@media (max-width:961px) { 
    :root {
        --header-title-font-size: 4rem;
    }

    .header-nav-menu {
        top: 5vh;
        width: 10vw;
        aspect-ratio: 1/1;
        height: unset;
    }

    .header-nav-menu span {
        height: 4px;
    }

    .header-nav-menu.open span:nth-child(4) {
        transform: translateX(100px);
    }

    #header-nav-links {
        top: 20vh;
        margin-left: 15vw;
        width: 70vw;
    }

    #header-nav-links>h1 {
        font-size: 4.5vh;
    }
}

@media (min-width:961px) and (max-width: 1025px)  {
    :root {
        --header-title-font-size: 4rem;
    }

    .header-nav-menu {
        top: 7vh;
        width: 4vw;
        aspect-ratio: 1/1;
        height: unset;
    }

    .header-nav-menu span {
        height: 5px;
    }

    .header-nav-menu.open span:nth-child(4) {
        transform: translateX(100px);
    }

    #header-nav-links {
        top: 20vh;
        margin-left: 15vw;
        width: 70vw;
    }

    #header-nav-links>h1 {
        font-size: 5vh;
    }
}