/* ==========================================================================
   Block — Case Study
   Mobile-first, breakpoints at 768px
   ========================================================================== */

/* ── Section ── */
.block-case-study {
    position: relative;
    padding: var(--section-padding-y) 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-color: var(--color-grey-dark);
}

/* White overlay on background image */
.block-case-study__overlay {
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.2);
    pointer-events: none;
}

/* ── Inner (heading wrapper) ── */
.block-case-study__inner {
    position: relative;
    z-index: 1;
    padding: 0 var(--grid-margin);
    margin-bottom: 36px;
}

/* ── Heading ── */
.block-case-study__heading {
    font-family: var(--font-heading);
    font-size: var(--h3-size);
    font-weight: var(--weight-medium);
    line-height: var(--h2-line-height);
    color: var(--color-off-white);
    margin: 0;
    text-align: left;
}

/* ══════════════════════════════════════════════════════════════════════════
   CAROUSEL TRACK
   ══════════════════════════════════════════════════════════════════════════ */

.block-case-study__track-wrap {
    position: relative;
    z-index: 1;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    padding: 0 var(--grid-margin);
}

.block-case-study__track-wrap::-webkit-scrollbar {
    display: none;
}

.block-case-study__track {
    display: flex;
    gap: var(--space-md);
}

/* ══════════════════════════════════════════════════════════════════════════
   STACKED MODE
   ══════════════════════════════════════════════════════════════════════════ */

.block-case-study__stack {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: var(--space-xxl);
    padding: 0 var(--grid-margin);
}

/* ══════════════════════════════════════════════════════════════════════════
   CARD
   ══════════════════════════════════════════════════════════════════════════ */

.block-case-study__card {
    background-color: var(--color-off-white);
    border-radius: var(--radius-card);
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    scroll-snap-align: start;
}

/* Carousel mode: full-width card */
[data-mode="carousel"] .block-case-study__card {
    flex: 0 0 calc(100vw - 2 * var(--grid-margin));
}

/* ══════════════════════════════════════════════════════════════════════════
   MEDIA (left side)
   ══════════════════════════════════════════════════════════════════════════ */

.block-case-study__media {
    position: relative;
    border-radius: var(--radius-card);
    overflow: hidden;
    min-height: 420px;
    flex-shrink: 0;
}

.block-case-study__media-asset {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.block-case-study__media-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.2);
    pointer-events: none;
}

/* ── Logo (centered on media) ── */
.block-case-study__logo {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    max-width: 171px;
    max-height: 86px;
    object-fit: contain;
    z-index: 2;
}

/* ── Testimonial (bottom of media) ── */
.block-case-study__testimonial {
    position: absolute;
    bottom: 12px;
    left: 12px;
    right: 12px;
    z-index: 2;
    background-color: var(--color-off-white);
    border-radius: 12px;
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.block-case-study__testimonial-header {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.block-case-study__testimonial-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.block-case-study__testimonial-meta {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.block-case-study__testimonial-name {
    font-family: var(--font-body);
    font-size: var(--body-small-size);
    font-weight: var(--weight-semibold);
    line-height: var(--body-small-line-height);
    color: var(--color-orange-dark);
    margin: 0;
}

.block-case-study__testimonial-role {
    font-family: var(--font-body);
    font-size: var(--body-small-size);
    font-weight: var(--weight-semibold);
    line-height: var(--body-small-line-height);
    color: var(--color-grey-dark);
    margin: 0;
}

.block-case-study__testimonial-quote {
    font-family: var(--font-body);
    font-size: var(--body-small-size);
    font-weight: var(--weight-regular);
    line-height: var(--body-small-line-height);
    color: var(--color-grey-ultra-dark);
    margin: 0;
}

/* ══════════════════════════════════════════════════════════════════════════
   CONTENT (right side)
   ══════════════════════════════════════════════════════════════════════════ */

.block-case-study__content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 26px;
}

/* ── Body text ── */
.block-case-study__body {
    font-family: var(--font-body);
    font-size: var(--h6-size);
    font-weight: var(--weight-medium);
    line-height: var(--h6-line-height);
    color: var(--color-grey-ultra-dark);
    margin: 0;
}

/* ── Divider ── */
.block-case-study__divider {
    border: none;
    border-top: 1px solid var(--color-primary-orange);
    margin: 0;
}

/* ── Challenge / Outcome columns ── */
.block-case-study__columns {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.block-case-study__column {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.block-case-study__column-heading {
    font-family: var(--font-body);
    font-size: var(--h6-size);
    font-weight: var(--weight-medium);
    line-height: var(--h6-line-height);
    color: var(--color-grey-ultra-dark);
    margin: 0;
}

.block-case-study__column-text {
    font-family: var(--font-body);
    font-size: var(--body-mid-size);
    font-weight: var(--weight-regular);
    line-height: var(--body-mid-line-height);
    color: var(--color-grey-ultra-dark);
    margin: 0;
}

/* Mobile: hide challenge/outcome columns entirely */
.block-case-study__columns {
    display: none;
}

/* Mobile: hide both dividers, then show only the one directly before stats */
.block-case-study__divider {
    display: none;
}

hr.block-case-study__divider:last-of-type {
    display: block;
}

/* ── Stats: 2 max, side by side ── */
.block-case-study__stats {
    display: flex;
    flex-direction: row;
    gap: 16px;
}

.block-case-study__stat {
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
}

/* Hide 3rd stat and beyond on mobile */
.block-case-study__stat:nth-child(n+3) {
    display: none;
}

.block-case-study__stat-number {
    font-family: var(--font-body);
    font-size: var(--h5-size);
    font-weight: var(--weight-medium);
    line-height: var(--h5-line-height);
    color: var(--color-grey-ultra-dark);
    margin: 0;
}

.block-case-study__stat-desc {
    font-family: var(--font-body);
    font-size: var(--body-small-size);
    font-weight: var(--weight-regular);
    line-height: var(--body-small-line-height);
    color: var(--color-grey-ultra-dark);
    margin: 0;
}

/* ══════════════════════════════════════════════════════════════════════════
   CTA (stacked mode)
   ══════════════════════════════════════════════════════════════════════════ */

.block-case-study__cta-wrap {
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: center;
    margin-top: var(--space-xl);
    padding: 0 var(--grid-margin);
}

.block-case-study__cta {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    height: var(--btn-primary-height);
    padding-left: var(--space-md);
    padding-right: 3px;
    background-color: var(--color-off-white);
    color: var(--color-grey-dark);
    font-family: var(--font-body);
    font-size: var(--btn-primary-font-size);
    font-weight: var(--btn-primary-font-weight);
    line-height: 1;
    border-radius: var(--btn-primary-radius);
    text-decoration: none;
    transition: opacity 0.2s ease;
}

.block-case-study__cta:hover {
    opacity: 0.9;
}

.block-case-study__cta-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: var(--btn-primary-icon-size);
    height: var(--btn-primary-icon-size);
    border-radius: 50%;
    background-color: var(--color-primary-orange);
    color: var(--color-white);
    flex-shrink: 0;
}

.block-case-study__cta-icon svg {
    width: 20px;
    height: 20px;
}

/* ══════════════════════════════════════════════════════════════════════════
   CONTROLS (pagination + arrows)
   ══════════════════════════════════════════════════════════════════════════ */

.block-case-study__controls {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
    margin-top: 36px;
    padding: 0 var(--grid-margin);
}

/* Hide controls in stacked mode */
[data-mode="stacked"] .block-case-study__controls {
    display: none;
}

/* ── Pagination bars ── */
.block-case-study__pagination {
    display: none;
}

/* ── Arrow buttons ── */
.block-case-study__arrows {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.block-case-study__arrow {
    width: 34px;
    height: 34px;
    padding: 0;
    border: none;
    background: none;
    cursor: pointer;
    color: var(--color-primary-orange);
    transition: opacity 0.2s ease;
    flex-shrink: 0;
}

.block-case-study__arrow svg {
    width: 100%;
    height: 100%;
    display: block;
}

.block-case-study__arrow:hover {
    opacity: 0.8;
}

.block-case-study__arrow:disabled {
    color: var(--color-grey-mid);
    cursor: default;
    opacity: 0.5;
}

.block-case-study__arrow:disabled:hover {
    opacity: 0.5;
}

/* ══════════════════════════════════════════════════════════════════════════
   Desktop (≥ 768px)
   ══════════════════════════════════════════════════════════════════════════ */

@media (min-width: 768px) {

    .block-case-study__inner {
        max-width: var(--grid-max-width);
        margin-left: auto;
        margin-right: auto;
        margin-bottom: var(--space-xxl);
    }

    .block-case-study__heading {
        font-size: var(--h2-size);
    }

    /* ── Carousel track ── */
    .block-case-study__track-wrap {
        padding-left: max(var(--grid-margin), calc((100vw - var(--grid-max-width)) / 2 + var(--grid-margin)));
        padding-right: 0;
    }

    [data-mode="carousel"] .block-case-study__card {
        flex: 0 0 calc(min(100vw, var(--grid-max-width)) - 2 * var(--grid-margin));
    }

    /* ── Stacked mode ── */
    .block-case-study__stack {
        max-width: var(--grid-max-width);
        margin-left: auto;
        margin-right: auto;
    }

    /* ── Card: two-column desktop ── */
    .block-case-study__card {
        flex-direction: row;
        min-height: 623px;
    }

    .block-case-study__media {
        width: 50%;
        min-height: 100%;
    }

    .block-case-study__media-asset {
        position: absolute;
        inset: 0;
    }

    .block-case-study__media {
        position: relative;
    }

    .block-case-study__logo {
        max-width: 273px;
        max-height: 137px;
    }

    .block-case-study__content {
        width: 50%;
    }

    /* ── Body text larger on desktop ── */
    .block-case-study__body {
        font-size: var(--h5-size);
        line-height: var(--h5-line-height);
    }

    /* ── Restore columns and divider on desktop ── */
    .block-case-study__divider {
        display: block;
    }

    .block-case-study__columns {
        display: flex;
        flex-direction: row;
        gap: var(--space-md);
    }

    .block-case-study__column {
        flex: 1;
    }

    /* ── Stats: all 3 visible in a row on desktop ── */
    .block-case-study__stats {
        flex-direction: row;
    }

    .block-case-study__stat {
        flex: 1;
    }

    .block-case-study__stat:nth-child(n+3) {
        display: flex;
    }

    /* ── Pagination: show on desktop ── */
    .block-case-study__pagination {
        display: flex;
        align-items: center;
        gap: 20px;
    }

    .block-case-study__bar {
        width: 60px;
        height: 4px;
        border: none;
        border-radius: 3px;
        background-color: var(--color-off-white);
        cursor: pointer;
        padding: 0;
        transition: background-color 0.3s ease;
    }

    .block-case-study__bar.is-active {
        background-color: var(--color-grey-dark);
    }
}