:root {
    --dark: #000;
    --light: #FFF;
    --gray-2: #E0E0E0;
    --gray-6: #404040;
    --text-color: #202020;
    --link-color: #a0a0a0;
    --gap: 0.62rem;
    --tspeed: 0.35s;
}

html {
    font-size: 100%;
}

body {
    height: 100%;
    margin: 0;
    padding: 0;
    background-color: var(--dark);
    color: var(--text-color);
    font-family: -apple-system, BlinkMacSystemFont,
        "Segoe UI Variable", "Segoe UI", Roboto,
        "Noto Sans", "Helvetica Neue", Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-size: 0.6875rem;
    font-style: normal;
    font-weight: 400;
    line-height: 0.8125rem;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

@media (prefers-color-scheme: light) {
    body {
        background-color: var(--light);
    }
}

@media (prefers-color-scheme: dark) {
    html,body {
        background-color: var(--dark);
        --gray-2: #202020;
        --text-color: #E0E0E0;
    }
}

p {
    margin: 0;
}

img {
    max-width: 100%;
    border-radius: 0.5rem;
}

.slider {
    height: 100%;
    width: 100%;
    overflow: hidden;
    position: relative;
}

.slides {
    height: 100%;
    position: relative;
}

.slide {
    height: 100%;
    width: 100%;
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
    will-change: opacity;
    display: flex;
    pointer-events: none;
}

.slide.active {
    pointer-events: all;
}

.slide figcaption {
    position: absolute;
    top: 0.55rem;
    left: 0.625rem;
    color: var(--light);
    mix-blend-mode: difference;
}

.slide figcaption strong {
    display: block;
}

.slide.active {
    opacity: 1;
}

.slider img, .slider video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    display: block;
    margin-top: auto;
    margin-bottom: auto;
}

.container {
    display: flex;
    flex-direction: row;
    margin: var(--gap);
    gap: var(--gap);
    width: calc(100vw - var(--gap) * 2);
    height: calc(100dvh - var(--gap) * 2);
}

.container .box {
    border-radius: 0.5rem;
    flex-shrink: 0;
    transition: all var(--tspeed) cubic-bezier(0.5, 0, 1, 0.25);
    overflow: hidden;
    text-align: left;
}

.box.dark {
    flex-basis: calc(100% - 2.5rem - var(--gap));
    flex-grow: 1;
    background-color: var(--dark);
}

.box.gray {
    padding: 0.625rem;
    flex-basis: 2.5rem;
    flex-grow: 0;
    background-color: var(--gray-2);
    cursor: pointer;
}

.swap .box.dark {
    flex-basis: 2.5rem;
    flex-grow: 0;
    cursor: pointer;
}

.swap .box.gray {
    flex-basis: calc(100% - 2.5rem - var(--gap));
    flex-grow: 1;
    cursor: unset;
}

.box-content {
    height: 100%;
}

.box.dark .box-content {
    width: calc(100vw - 2.5rem - var(--gap) * 3);
    position: relative;
    left: 50%;
    transform: translateX(-50%);
}

/* Grid layout for gray box */
.grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: 1rem;
    height: 100%;
    width: 100%;
}

.logo {
    grid-column: 1;
    grid-row: 1;
    display: flex;
    align-items: flex-start;
    justify-content: flex-start;
}

.text-block {
    grid-column: 2 / 4;
    grid-row: 1;
}

.text-block p {
    font-size: 1.375rem;
    font-style: normal;
    font-weight: 400;
    line-height: 100%;
}

.member-card {
    grid-row: 1;
    display: flex;
    flex-direction: column;
    gap: 0.62rem;
    align-self: start;
}

.member-card:nth-of-type(3) {
    grid-column: 4;
}

.member-card:nth-of-type(4) {
    grid-column: 5;
}

.member-card img {
    width: 100%;
    height: auto;
    border-radius: 0.25rem;
}

.member-card h2 {
    margin: 0;
    font-size: 0.6875rem;
    font-style: normal;
    font-weight: 600;
    line-height: 0.8125rem;
}

.member-card p {
    margin: 0;
}

.member-card a {
    text-decoration: none;
}

.empty {
    grid-column: 1;
    grid-row: 2;
    align-self: end;
}

.text-col {
    grid-row: 2;
    align-self: end;
}

.text-col:nth-of-type(5) {
    grid-column: 2;
}

.text-col:nth-of-type(6) {
    grid-column: 3;
}

.link-col {
    grid-row: 2;
    align-self: end;
}

.link-col:nth-of-type(7) {
    grid-column: 4;
}

.link-col:nth-of-type(8) {
    grid-column: 5;
}

/* Typography for grid content */
.grid p {
    margin: 0;
}

.grid a {
    color: var(--text-color);
    text-decoration: none;
}

.grid a:hover {
    text-decoration: underline;
}

/* Mobile styles */
@media screen and (max-width: 768px) {
    /* Vertical box layout */
    .container {
        flex-direction: column;
        height: auto;
    }

    .box.dark {
        flex-basis: calc(100svh - 2.5rem - 1.875rem);
        height: calc(100svh - 2.5rem - 1.875rem);
        flex-shrink: 0;
    }

    .box.gray {
        flex-basis: auto;
    }

    /* Update dark box content for vertical orientation */
    .box.dark .box-content {
        width: 100%;
        height: calc(100svh - 2.5rem - 1.875rem);
        left: 0;
        transform: none;
        position: relative;
        top: 50%;
        transform: translateY(-50%);
    }

    .swap .box.dark .box-content {
        height: calc(100vh - 3.125rem - var(--gap) * 3);
        top: 50%;
        transform: translateY(-50%);
    }

    /* Mobile grid: 4 columns × 4 rows */
    .grid {
        grid-template-columns: repeat(4, 1fr);
        grid-template-rows: auto auto auto 1fr;
        gap: 0.625rem;
    }

    /* Row 1: Logo, R2C2 paragraph, R2C3 paragraph (spans 2) */
    .logo {
        grid-column: 1;
        grid-row: 1;
    }

    .text-col {
        grid-row: unset;
        align-self: start;
    }

    .text-col:nth-of-type(5) {
        grid-column: 2;
        grid-row: 1;
        align-self: start;
    }

    .text-col:nth-of-type(6) {
        grid-column: 3 / 5;
        grid-row: 1;
        align-self: start;
    }

    /* Row 2: Text block spans all 4 columns */
    .text-block {
        grid-column: 1 / 5;
        grid-row: 2;
        padding-top: 1.875rem;
        padding-bottom: 4.375rem;
    }

    .text-block p {
        font-size: 1.375rem;
        line-height: 1;
    }

    .member-card {
        padding-bottom: 4.375rem;
    }

    /* Row 3: Member cards - 2 columns each */
    .member-card:nth-of-type(3) {
        grid-column: 1 / 3;
        grid-row: 3;
        align-self: start;
    }

    .member-card:nth-of-type(4) {
        grid-column: 3 / 5;
        grid-row: 3;
        align-self: start;
    }

    .link-col {
        grid-row: 4;
    }

    /* Row 4: Links from desktop R2C4 and R2C5 */
    .link-col:nth-of-type(7) {
        grid-column: 1 / 3;
        grid-row: 4;
        align-self: start;
    }

    .link-col:nth-of-type(8) {
        grid-column: 3 / 5;
        grid-row: 4;
        align-self: end;
    }

    /* Hide empty div on mobile */
    .empty {
        display: none;
    }

    /* Adjust member card image size for mobile */
    .member-card img {
        max-width: calc(50% - 0.3125rem);
    }
}