.projects-gallery {
    min-height: 100svh;
    padding: clamp(8rem, 14vw, 12rem) 0 clamp(4rem, 8vw, 8rem);
    color: #fff;
    background: #090909;
}

.projects-gallery-layout {
    display: grid;
    grid-template-columns: minmax(11rem, 16vw) minmax(0, 1fr);
    gap: clamp(2rem, 5vw, 6rem);
    align-items: start;
}

.projects-gallery-sidebar {
    position: sticky;
    top: 8rem;
}

.projects-filter-toggle { display: none; }

.projects-filter-list {
    display: flex;
    flex-direction: column;
    align-items: stretch;
}

.projects-filter {
    position: relative;
    padding: .9rem 0;
    color: rgba(255, 255, 255, .55);
    background: transparent;
    border: 0;
    border-bottom: 1px solid rgba(255, 255, 255, .12);
    font: 500 .7rem/1.3 var(--font-technical, monospace);
    letter-spacing: .12em;
    text-align: left;
    text-transform: uppercase;
    cursor: pointer;
    transition: color 300ms ease, padding-left 300ms ease;
}

.projects-filter::before {
    position: absolute;
    top: 50%;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--primary, #1ac7e6);
    content: "";
    transform: translateY(-50%);
    transition: width 300ms ease;
}

.projects-filter:hover,
.projects-filter.is-active {
    padding-left: 1.75rem;
    color: #fff;
}

.projects-filter:hover::before,
.projects-filter.is-active::before { width: 1rem; }

.projects-gallery-grid {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: clamp(.75rem, 1.4vw, 1.5rem);
}

.projects-gallery-item {
    position: relative;
    display: block;
    grid-column: span 4;
    min-height: clamp(18rem, 30vw, 34rem);
    overflow: hidden;
    background: #151515;
    opacity: 1;
    transform: translateY(0) scale(1);
    transition: opacity 350ms ease, transform 450ms ease;
}

.projects-gallery-item:nth-child(5n + 2),
.projects-gallery-item:nth-child(5n + 3) { grid-column: span 8; }

.projects-gallery-item:nth-child(5n + 3) { min-height: clamp(22rem, 42vw, 46rem); }
.projects-gallery-item.is-filtered-out { display: none; }

.projects-gallery-item.is-entering {
    opacity: 0;
    transform: translateY(1.5rem) scale(.985);
}

.projects-gallery-item img,
.projects-gallery-item video {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 700ms cubic-bezier(.22, 1, .36, 1);
}

.projects-gallery-item:hover img,
.projects-gallery-item:hover video { transform: scale(1.035); }

.projects-gallery-play {
    position: absolute;
    top: 50%;
    left: 50%;
    display: grid;
    width: 3.5rem;
    height: 3.5rem;
    place-items: center;
    color: #090909;
    background: var(--primary, #1ac7e6);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: transform 300ms ease, opacity 300ms ease;
}

.projects-gallery-item:hover .projects-gallery-play {
    transform: translate(-50%, -50%) scale(1.08);
}

.projects-gallery-view {
    position: absolute;
    right: 1rem;
    bottom: 1rem;
    display: grid;
    width: 2.75rem;
    height: 2.75rem;
    place-items: center;
    color: #090909;
    background: var(--primary, #1ac7e6);
    border-radius: 50%;
    opacity: 0;
    transform: translateY(.75rem);
    transition: opacity 300ms ease, transform 300ms ease;
}

.projects-gallery-item:hover .projects-gallery-view {
    opacity: 1;
    transform: translateY(0);
}

.projects-gallery-empty { grid-column: 1 / -1; }

html.projects-lightbox-open,
html.projects-lightbox-open body {
    overflow: hidden;
}

.projects-lightbox {
    position: fixed;
    inset: 0;
    z-index: 99999;
    display: grid;
    visibility: hidden;
    grid-template-columns: clamp(3rem, 7vw, 6rem) minmax(0, 1fr) clamp(3rem, 7vw, 6rem);
    align-items: center;
    color: #fff;
    background: rgba(0, 0, 0, .96);
    opacity: 0;
    pointer-events: none;
    transition: visibility 0s linear 350ms, opacity 350ms ease;
}

.projects-lightbox.is-open {
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
    transition-delay: 0s;
}

.projects-lightbox-stage {
    display: grid;
    width: 100%;
    height: 100vh;
    height: 100svh;
    padding: clamp(3rem, 7vw, 6rem) 0;
    box-sizing: border-box;
    place-items: center;
    overflow: hidden;
}

.projects-lightbox-stage img,
.projects-lightbox-stage video {
    display: block;
    width: auto;
    height: auto;
    max-width: min(100%, 90vw);
    max-height: min(80svh, 900px);
    object-fit: contain;
    opacity: 0;
    transform: scale(.97);
    animation: projects-lightbox-image 400ms ease forwards;
}

@keyframes projects-lightbox-image {
    to { opacity: 1; transform: scale(1); }
}

.projects-lightbox button {
    color: inherit;
    background: transparent;
    border: 0;
    cursor: pointer;
}

.projects-lightbox-close {
    position: absolute;
    top: max(1rem, env(safe-area-inset-top));
    right: max(1rem, env(safe-area-inset-right));
    z-index: 2;
    width: 3rem;
    height: 3rem;
    font: 300 2rem/1 sans-serif;
}

.projects-lightbox-arrow {
    width: 100%;
    height: 100%;
    font-size: 1.4rem;
    transition: color 250ms ease;
}

.projects-lightbox-arrow:hover { color: var(--primary, #1ac7e6); }
.projects-lightbox-prev { grid-column: 1; }
.projects-lightbox-stage { grid-column: 2; }
.projects-lightbox-next { grid-column: 3; }

.projects-lightbox-count {
    position: absolute;
    bottom: max(1.25rem, env(safe-area-inset-bottom));
    left: 50%;
    font: 500 .68rem/1 var(--font-technical, monospace);
    letter-spacing: .14em;
    transform: translateX(-50%);
}

@media (max-width: 991.98px) {
    .projects-gallery-layout { grid-template-columns: 1fr; }

    .projects-gallery-sidebar {
        position: relative;
        top: auto;
        z-index: 5;
    }

    .projects-filter-toggle {
        display: flex;
        width: 100%;
        padding: 1rem 0;
        align-items: center;
        justify-content: space-between;
        color: #fff;
        background: transparent;
        border: 0;
        border-block: 1px solid rgba(255, 255, 255, .2);
        font: 500 .7rem/1 var(--font-technical, monospace);
        letter-spacing: .12em;
        text-transform: uppercase;
    }

    .projects-filter-list {
        display: none;
        padding: .5rem 0 1rem;
    }

    .projects-gallery-sidebar.is-open .projects-filter-list { display: flex; }

    .projects-gallery-item,
    .projects-gallery-item:nth-child(5n + 2),
    .projects-gallery-item:nth-child(5n + 3) {
        grid-column: span 6;
        min-height: clamp(18rem, 55vw, 34rem);
    }
}

@media (max-width: 575.98px) {
    .projects-gallery-item,
    .projects-gallery-item:nth-child(5n + 2),
    .projects-gallery-item:nth-child(5n + 3) {
        grid-column: 1 / -1;
        min-height: 120vw;
    }
}