.intro-split-icon {
    width: 3rem;
    height: 3rem;
}

/* Як TW: w-64 → sm:w-80 → lg:w-96 (одна шкала для обох фреймворків) */
.intro-split-thumb {
    width: 16rem;
    height: 16rem;
    flex-shrink: 0;
}

@media (min-width: 640px) {
    .intro-split-thumb {
        width: 20rem;
        height: 20rem;
    }
}

@media (min-width: 1024px) {
    .intro-split-thumb {
        width: 24rem;
        height: 24rem;
    }
}

/* Bootstrap: flex + gap (no .row negative margins; works with section overflow). Tailwind grid ignores flex on items. */
@media (min-width: 576px) {
    .intro-split-benefits__row > * {
        flex: 1 1 0%;
        min-width: 0;
    }
}


.passage-chapter__visual--glow:hover { transform: scale(1.05); transition: transform .2s ease; }

.passage-chapter__prompt--glow:hover { transform: scale(1.05); transition: transform .2s ease; }

.content-heading-gap {
    margin-bottom: 2rem;
}

.content-img-compact {
    display: block;
    width: 100%;
    height: 12rem;
    min-height: 12rem;
    flex-shrink: 0;
    object-fit: cover;
}
@media (min-width: 768px) {
    .content-img-compact {
        height: 14rem;
        min-height: 14rem;
    }
}

.tour-panel-hover {
    transition: box-shadow 0.2s ease;
}

.tour-panel-hover:hover {
    box-shadow: var(--bs-box-shadow);
}

details[open] .tour-open-icon {
    transform: scale(1.05);
}

details[open] .tour-chevron {
    transform: rotate(180deg);
}

.tour-open-icon,
.tour-chevron {
    transition: transform 0.3s ease;
}

/* content gutter — bracket ticks share width */
.content-gutter__tick {
    width: 1px;
}

/* solo column: span full grid / row when second stack hidden */
.content-gutter__lead--span {
    grid-column: 1 / -1;
}

/* gallery v19 — featured preview + thumbnail strip.
   Geometry shared by both CSS frameworks (Bootstrap has no grid-template / aspect utilities). */
.gallery-picker__section {
    padding-top: 6rem;
    padding-bottom: 6rem;
}

.mxw-4xl {
    max-width: 56rem !important;
}

.mxw-2xl {
    max-width: 42rem !important;
}

.gallery-picker__head {
    margin-bottom: 2.5rem;
}

.gallery-picker__title {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

.gallery-picker__lead {
    font-size: 1.125rem;
}

.gallery-picker__stage,
.gallery-picker__thumb-media {
    aspect-ratio: 16 / 9;
}

.gallery-picker__img {
    object-fit: cover;
}

.gallery-picker__strip {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.75rem;
    margin-top: 1rem;
}

@media (min-width: 768px) {
    .gallery-picker__title {
        font-size: 2.25rem;
    }
}

/* Gallery v19 — thumbnail selector strip */
.gallery-picker__thumb {
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background: transparent;
    padding: 0;
    font: inherit;
    transition: border-color 150ms ease, transform 150ms ease;
}

.gallery-picker__thumb:hover {
    transform: translateY(-2px);
}

.content-col-grow {
    flex: 1 1 0%;
    min-width: 0;
}

.content-img-fill {
    display: block;
    width: 100%;
    height: 100%;
    min-height: 16rem;
    min-width: 0;
    object-fit: cover;
    flex-shrink: 0;
}

.copy-document__text-panel-inset {
    padding: 4rem;
}

.content-flex-min {
    min-width: 0;
}

.content-memo-outline__grid {
    width: 6rem;
    height: 6rem;
    pointer-events: none;
}