.use-cases-section {
    /* The first child is .section-heading, whose own margin controls the top rhythm. */
    padding-top: 0;
}

.use-cases {
    --use-cases-accent: var(--color-system-blue);
}

.use-cases-tabs {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-2);
    margin-bottom: var(--space-12);
}

.use-cases-tab {
    --pill-accent: var(--accent, var(--color-system-blue));
    appearance: none;
    background: color-mix(in srgb, var(--pill-accent) 12%, transparent);
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    padding: var(--space-2) var(--space-4);
    font: inherit;
    font-size: var(--text-callout);
    font-weight: var(--weight-semibold);
    color: color-mix(in srgb, var(--pill-accent) 85%, black);
    cursor: pointer;
    transition:
        background var(--duration-fast) var(--ease-standard),
        color var(--duration-fast) var(--ease-standard),
        transform var(--duration-fast) var(--ease-standard);
}

.use-cases-tab:hover {
    background: color-mix(in srgb, var(--pill-accent) 22%, transparent);
}

.use-cases-tab:focus-visible {
    outline: 2px solid color-mix(in srgb, var(--pill-accent) 60%, transparent);
    outline-offset: 2px;
}

.use-cases-tab-active,
.use-cases-tab-active:hover {
    background: var(--pill-accent);
    color: #fff;
}

.use-cases-card {
    background: transparent;
    border: 0;
    box-shadow: none;
    padding: 0;
}

.use-cases-panel {
    position: relative;
}

.use-cases-panel[hidden] {
    display: none;
}

.use-cases-layout {
    display: grid;
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    gap: var(--space-12);
    align-items: stretch;
    background: linear-gradient(
        to bottom,
        color-mix(
                in srgb,
                var(--accent, var(--color-system-blue)) 9%,
                var(--color-bg-elevated)
            )
            0%,
        var(--color-bg-elevated) 100%
    );
    border: 1px solid
        color-mix(
            in srgb,
            var(--accent, var(--color-system-blue)) 16%,
            var(--color-bg-elevated)
        );
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.use-cases-media {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    min-width: 0;
}

.use-cases-hero {
    margin: 0;
    height: 100%;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    overflow: hidden;
    padding: var(--space-8);
    padding-right: 0;
}

.use-cases-hero-image {
    display: block;
    /*height: 460px;*/
    width: auto;
    max-width: 100%;
    border: 1px solid
        color-mix(
            in srgb,
            var(--accent, var(--color-system-blue)) 16%,
            var(--color-bg-elevated)
        );
    border-radius: var(--radius-lg);
    transition: opacity var(--duration-base) var(--ease-standard);
}

.use-cases-hero-image.is-swapping {
    opacity: 0;
}

.use-cases-thumbs {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: var(--space-2);
    margin-top: auto;
    padding-top: var(--space-6);
}

.use-cases-thumb {
    --thumb-inner-h: 22px;
    --thumb-accent: var(--accent, var(--color-system-blue));
    appearance: none;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-separator-light);
    box-shadow: var(--shadow-xs);
    border-radius: 20px 8px 8px 20px;
    padding: var(--space-0-5);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    flex: 0 0 auto;
    overflow: hidden;
    transition:
        border-color var(--duration-fast) var(--ease-standard),
        transform var(--duration-fast) var(--ease-standard),
        box-shadow var(--duration-fast) var(--ease-standard);
}

.use-cases-thumb-avatar {
    display: block;
    width: var(--thumb-inner-h);
    height: var(--thumb-inner-h);
    border-radius: var(--radius-full);
    object-fit: cover;
    flex: 0 0 auto;
}

.use-cases-thumb-preview {
    display: block;
    width: 48px;
    height: var(--thumb-inner-h);
    border-radius: 6px;
    overflow: hidden;
    flex: 0 0 auto;
    background: var(--color-bg-elevated);
}

.use-cases-thumb-preview img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
}

.use-cases-thumb:hover,
.use-cases-thumb:focus-visible {
    border-color: var(--color-text-tertiary);
    transform: translateY(-1px);
}

.use-cases-thumb-active,
.use-cases-thumb-active:hover {
    border-color: var(--thumb-accent);
    box-shadow: 0 0 0 2px
        color-mix(in srgb, var(--thumb-accent) 28%, transparent);
}

.use-cases-copy {
    min-width: 0;
    padding: var(--space-8);
    padding-left: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.use-cases-view[hidden] {
    display: none;
}

.use-cases-byline {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
}

.use-cases-byline-avatar {
    display: block;
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    object-fit: cover;
    flex: 0 0 auto;
}

.use-cases-byline-name {
    font-size: var(--text-subhead);
    font-weight: var(--weight-semibold);
    color: var(--color-text-secondary);
    letter-spacing: var(--tracking-normal);
}

.use-cases-title {
    font-family: var(--font-sans);
    font-size: clamp(var(--text-title-2), 2.2vw, var(--text-large-title));
    font-weight: var(--weight-bold);
    line-height: var(--leading-tight);
    letter-spacing: var(--tracking-tight);
    margin: 0 0 var(--space-4);
    color: var(--color-text-primary);
}

.use-cases-body p {
    color: var(--color-text-secondary);
    margin: 0;
    max-width: none;
}

.use-cases-body p + p {
    margin-top: var(--space-3);
}

@media (max-width: 880px) {
    .use-cases-tabs {
        justify-content: flex-start;
        overflow-x: auto;
        flex-wrap: nowrap;
        scrollbar-width: thin;
        padding-bottom: var(--space-2);
    }

    .use-cases-tab {
        flex: 0 0 auto;
    }

    .use-cases-layout {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
}

/* ===== Lightbox ===== */

.use-case-lightbox {
    --lightbox-thumbs-height: 5.5rem;
    --lightbox-bar-width: 5rem;

    position: fixed;
    inset: 0;
    z-index: 100;
    isolation: isolate;
    background: linear-gradient(
        to bottom,
        color-mix(
                in srgb,
                var(--accent, var(--color-system-blue)) 9%,
                var(--color-bg-elevated)
            )
            0%,
        var(--color-bg-elevated) 100%
    );
}

.use-case-lightbox[hidden] {
    display: none;
}

.use-case-lightbox-stage {
    position: relative;
    width: 100%;
    height: 100%;
}

.use-case-lightbox-close {
    position: absolute;
    top: var(--space-3);
    right: var(--space-3);
    background: rgba(0, 0, 0, 0.06);
    color: var(--color-text-primary);
    border: 0;
    border-radius: 50%;
    width: 2.5rem;
    height: 2.5rem;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 1;
    transition: background-color 0.2s;
}

.use-case-lightbox-close svg {
    width: 1.1rem;
    height: 1.1rem;
    display: block;
}

.use-case-lightbox-close:hover {
    background: rgba(0, 0, 0, 0.12);
}

.use-case-lightbox-bar {
    position: absolute;
    top: 0;
    width: var(--lightbox-bar-width);
    height: calc(100% - var(--lightbox-thumbs-height));
    display: flex;
    align-items: center;
    justify-content: center;
}

.use-case-lightbox-bar-left {
    left: 0;
}
.use-case-lightbox-bar-right {
    right: 0;
}

.use-case-lightbox-nav {
    background: rgba(0, 0, 0, 0.06);
    color: var(--color-text-primary);
    border: 0;
    border-radius: 50%;
    width: 3rem;
    height: 3rem;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color 0.2s;
}

.use-case-lightbox-nav svg {
    width: 1.5rem;
    height: 1.5rem;
    display: block;
}

.use-case-lightbox-nav:hover {
    background: rgba(0, 0, 0, 0.12);
}

.use-case-lightbox-content {
    position: absolute;
    top: 0;
    left: var(--lightbox-bar-width);
    right: var(--lightbox-bar-width);
    bottom: var(--lightbox-thumbs-height);
}

.use-case-lightbox-image-wrap {
    position: absolute;
    inset: var(--space-4);
    display: flex;
    align-items: center;
    justify-content: center;
}

.use-case-lightbox-image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border: 1px solid
        color-mix(
            in srgb,
            var(--accent, var(--color-system-blue)) 16%,
            var(--color-bg-elevated)
        );
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.use-case-lightbox-card {
    position: absolute;
    bottom: var(--space-6);
    right: var(--space-6);
    width: min(22rem, calc(100% - var(--space-12)));
    max-height: calc(100% - var(--space-12));
    overflow: hidden;
    isolation: isolate;
    padding: var(--space-5) var(--space-6);
    border-radius: var(--radius-xl);
    color: var(--color-text-primary);

    background-color: color-mix(in srgb, var(--color-bg) 40%, transparent);
    backdrop-filter: blur(30px) brightness(1.05);
    -webkit-backdrop-filter: blur(30px) brightness(1.05);
    border: 1px solid
        color-mix(in srgb, var(--color-text-primary) 10%, transparent);
    box-shadow:
        0 2px 4px rgba(0, 0, 0, 0.05),
        0 12px 28px rgba(0, 0, 0, 0.18),
        0 32px 64px rgba(0, 0, 0, 0.25);
}

.use-case-lightbox-byline {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
}

.use-case-lightbox-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    object-fit: cover;
    flex: 0 0 auto;
}

.use-case-lightbox-name {
    font-size: var(--text-subhead);
    font-weight: var(--weight-semibold);
    color: var(--color-text-secondary);
}

.use-case-lightbox-title {
    font-family: var(--font-sans);
    font-size: var(--text-title-2);
    line-height: var(--leading-snug);
    margin: 0 0 var(--space-3);
}

.use-case-lightbox-body {
    color: var(--color-text-secondary);
    font-size: var(--text-callout);
    line-height: var(--leading-relaxed);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.use-case-lightbox-body p {
    margin: 0;
    max-width: none;
}

.use-case-lightbox-thumbs-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--lightbox-thumbs-height);
}

.use-case-lightbox-thumbs {
    width: 100%;
    height: 100%;
    padding: 0 var(--space-3);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: none;
}

.use-case-lightbox-thumbs::-webkit-scrollbar {
    display: none;
}

.use-case-lightbox-thumb-group {
    --group-accent: var(--accent, var(--color-system-blue));
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-1) var(--space-2);
    background: color-mix(
        in srgb,
        var(--group-accent) 18%,
        var(--color-bg-elevated)
    );
    border: 1px solid color-mix(in srgb, var(--group-accent) 32%, transparent);
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.use-case-lightbox-thumb-label {
    color: color-mix(in srgb, var(--group-accent) 70%, black);
    font-weight: var(--weight-semibold);
    font-size: var(--text-footnote);
    padding-right: var(--space-2);
    border-right: 1px solid
        color-mix(in srgb, var(--group-accent) 28%, transparent);
}

.use-case-lightbox-thumb {
    background: transparent;
    border: 0;
    padding: 0;
    border-radius: var(--radius-xs);
    overflow: hidden;
    cursor: pointer;
    flex-shrink: 0;
    outline: 2px solid transparent;
    outline-offset: 1px;
    transition:
        outline-color 0.2s,
        transform 0.2s;
}

.use-case-lightbox-thumb:hover {
    outline-color: var(--color-text-secondary);
    transform: translateY(-2px);
}

.use-case-lightbox-thumb-active,
.use-case-lightbox-thumb-active:hover {
    outline-color: var(--group-accent, var(--color-system-yellow));
}

.use-case-lightbox-thumb img {
    display: block;
    height: 2rem;
    width: auto;
}

@media (max-width: 900px) {
    .use-case-lightbox-card {
        right: var(--space-3);
        bottom: var(--space-3);
        width: min(20rem, calc(100% - var(--space-6)));
        max-height: 50%;
    }

    .use-case-lightbox-thumb img {
        height: 1.75rem;
    }
}