.header {
    height: 100vh;
    grid-column: 1 / 2;
    position: sticky;
    top: 0;
    display: grid;
    grid-template-rows: auto 1fr 50dvh;
    border-right: 1px solid var(--color-border);
}

.header__menu-container,
.header__section-container {
    display: flex;
    justify-content: center;
    align-items: center;
}

.header__menu-container,
.header__media-container {
    padding: var(--space-md) 0;
}

.header__menu-container {
    border-bottom: 1px solid var(--color-border);
}

.header__menu-button {
    position: relative;
    height: 2.5rem;
    width: 2.5rem;
    background: transparent;
    border: none;
    cursor: pointer;
}

.header__menu-line {
    position: absolute;
    top: 50%;
    left: 50%;
    height: 5px;
    width: 80%;
    background-color: var(--color-accent);
    border-radius: 2px;
    transition: transform 0.3s ease;
}

.header__menu-line:first-child {
    transform: translate(calc(-50% + var(--space-xs)), calc(-50% - var(--space-xs)));
}

.header__menu-line:last-child {
    transform: translate(calc(-50% - var(--space-xs)), calc(-50% + var(--space-xs)));
}

.has-hover .header__menu-button:hover .header__menu-line:first-child {
    transform: translate(-50%, calc(-50% - var(--space-xs)));
}

.has-hover .header__menu-button:hover .header__menu-line:last-child {
    transform: translate(-50%, calc(-50% + var(--space-xs)));
}

.header__menu-button.is-active .header__menu-line:first-child {
    transform: translate(-50%, -50%) rotate(45deg);
}

.header__menu-button.is-active .header__menu-line:last-child {
    transform: translate(-50%, -50%) rotate(-45deg);
}

.has-hover .header__menu-button.is-active:hover .header__menu-line:first-child,
.has-hover .header__menu-button.is-active:hover .header__menu-line:last-child {
    transform: translate(-50%, -50%) rotate(0deg);
}

.header__section-text {
    font-family: var(--ff-primary);
    font-size: var(--fs-title);
    font-weight: normal;
    text-transform: uppercase;
    color: var(--color-accent);
    display: inline-block;
    writing-mode: vertical-lr;
    transform: rotate(180deg);
}

.header__media-container {
    display: grid;
    grid-template-rows: repeat(3, 1fr);
    gap: var(--space-md);
}

.header__media-item {
    height: 100%;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.header__media-icon {
    height: 2rem;
    width: 2rem;
    filter: grayscale(0.50) contrast(1.10) brightness(1.10);
}

.header__media-button {
    height: 2.5rem;
    width: 2.5rem;
    overflow: hidden;
    padding: .25rem;
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: var(--ff-secondary);
    font-size: var(--fs-body);
    font-weight: bold;
    text-transform: uppercase;
    border: 2px solid var(--color-text);
    border-radius: 50%;
    color: var(--color-text);
    background: transparent;
    cursor: pointer;
}

.header__section-container {
    border-top: 1px solid var(--color-border);
}

@media only screen and (max-width: 1400px) {
    .header {
        grid-column: 1 / -1;
        height: var(--header-height-mobile);
        flex: 1;
        overflow: hidden;
        position: sticky;
        top: 0;
        display: flex;
        justify-content: space-between;
        align-items: center;
        border-top: none;
        border-right: none;
        border-bottom: 1px solid var(--color-border);
        background-color: var(--color-bg);
        z-index: 1000;
    }

    .header__menu-container,
    .header__section-container,
    .header__media-container {
        height: 100%;
    }

    .header__menu-container {
        order: 3;
        padding: var(--space-xs) var(--space-md);
        border-bottom: none;
        border-left: 1px solid var(--color-border);
    }

    .header__media-container {
        order: 2;
        margin-left: auto;
        padding: var(--space-sm) var(--space-md);
        display: flex;
        justify-content: flex-end;
        align-items: center;
        gap: var(--space-lg);
        grid-template-rows: none;
        grid-template-columns: repeat(3, 1fr);
        border-left: 1px solid var(--color-border);
    }

    .header__section-container {
        order: 1;
        padding: var(--space-sm) var(--space-md);
        border-top: none;
    }

    .header__section-text {
        font-size: var(--fs-title-sm);
        writing-mode: horizontal-tb;
        transform: none;
    }

    .header__media-item {
        height: auto;
        width: auto;
    }

    .header__media-icon {
        height: 1.5rem;
        width: 1.5rem;
    }

    .header__media-button {
        height: 2rem;
        width: 2rem;
        font-size: var(--fs-caption);
    }

    .header__menu-button {
        height: 2rem;
        width: 2rem;
    }

    .hero__author-name-line {
        display: block;
    }

    .header__menu-line {
        height: 2px;
        width: 85%;
    }

    .header__menu-line:first-child {
        transform: translate(calc(-50% + 3px), calc(-50% - 5px));
    }

    .header__menu-line:last-child {
        transform: translate(calc(-50% - 3px), calc(-50% + 5px));
    }

    .has-hover .header__menu-button:hover .header__menu-line:first-child {
        transform: translate(-50%, calc(-50% - 5px));
    }

    .has-hover .header__menu-button:hover .header__menu-line:last-child {
        transform: translate(-50%, calc(-50% + 5px));
    }
}

@media only screen and (max-width: 650px) {
    .header__media-container {
        display: none;
    }
}