body.media-in-view {
    background-color: var(--color-tuatara);
}

main {
    position: relative;
    display: block;
    /* display: grid; */
    /* grid-template-columns: repeat(5, 1fr); */
}

.site-nav-regular {
    display: none;
}

.site-nav-project {
    display: grid;
    grid-template-columns: 1fr 0.25fr 0.75fr 0.25fr 1fr;
    align-items: start;
    font-size: var(--font-size-lg);
    font-weight: bold;
    /* mix-blend-mode: difference;  <- remove this */
}

.back-to-top {
    font-weight: bold;
    text-transform: uppercase;
    position: fixed;
    bottom: 0.5rem;
    right: 50%;
    font-size: var(--font-size-lg);
    transform: translateX(50%);
    color: var(--color-tuatara);
    padding: 0.5rem 1rem;
    cursor: pointer;
    opacity: 0;
    transition: opacity var(--transition-fade) ease-in-out,
                color var(--transition-fade) ease-in-out;
    z-index: 1000;
}

body.media-in-view .back-to-top {
    color: var(--color-grey);
}

ul {
    grid-column: 1 / 6;
    width: 100%;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    grid-template-rows: auto;
}

li {
    /* padding: 0.5rem 0 0 0; */
    grid-column: 2/5;
    position: sticky;
    top: 0;
    align-self: start;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

li.arrow {
    font-size: var(--font-size-lg);
    text-align: center;
    display: block;
}

li:last-of-type {
    grid-column: 1/6;
}

dt,
dd {
    /* border-bottom: 1px solid var(--color-tuatara); */
}

dt {
    /*border-left: 1.25pt solid var(--color-tuatara);*/
    text-transform: uppercase;
    grid-column: 1 / 2;
    text-align: right;
    align-self: start;
    padding-bottom: 1rem;
    font-weight: bold;
}

dd {
    grid-column: 2 / 3;
    padding-bottom: 1rem;
    margin-bottom: 1rem;
}

li:nth-of-type(2) dd {
        text-transform: capitalize;
}

.description p {
    margin-bottom: 0.5rem;
    text-align: left;
    text-indent: 50%;
}

.team-members {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
}

/* svh, deliberately not dvh: dvh changes as the iOS toolbar collapses, and a
   margin that changes mid-scroll would make the gallery visibly jump. svh is
   a stable value that still clears the fold. */
.media-gallery-wrapper {
    z-index: 0;
    margin-top: 100svh;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    grid-column: 1/3;
    padding: 1rem;
    /* border-left: 1pt solid var(--color-grey); */
    /* border-right: 1pt solid var(--color-grey); */
}

.media-item {
    width: 100%;
    position: relative;
}

.media-item img,
.media-item video {
    display: block;
    width: 100%;
    height: auto;
    /* let height scale naturally with aspect ratio */
}

.video-controls {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    mix-blend-mode: difference;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    text-align: center;
}

.video-controls span {
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
    align-self: start;
    color: transparent;
    position: relative;
}

.video-controls span:hover:after {
    width: 100%;
}

.video-controls span::after {
    content: "";
    width: 0;
    height: 100%;
    position: absolute;
    left: 0;
    bottom: 0;
    border-bottom: 1pt solid var(--color-grey);
    transition: width 200ms ease-in-out;
}

.video-controls span:last-of-type::after {
    display: none;
}

.video-controls:hover span {
    color: var(--color-grey);
}

@media (max-width: 1000px) {

    main {
        display: block;
    }

    ul {
        display: block;
    }

    li {
        display: block
    }

    dt {
        text-align: left;
        padding-left: 0.5rem;
        border-left: 0.5pt solid var(--color-tuatara);
    }

    dd {
        padding: 0.5rem 0 1rem 0;
        border-top: 0.5pt solid var(--color-tuatara);
    }

    .site-nav-project {
        grid-template-columns: 0.5fr 0.25fr 2fr 0.25fr 0.5fr;
    }

    .video-controls span {
        color: var(--color-grey);
    }
    
    .video-controls span:after {
    display: none;
}

    li:hover {
        background-color: transparent;
        color: var(--color-grey);
    }
}