.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;
    }
}

.content-ledger__stem {
    height: 4rem;
    transform: translateX(-50%);
}

.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;
}

.prose-bodycopy__text-panel-inset {
    padding: 4rem;
}

/* 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;
}

.content-rail__side {
    flex-shrink: 0;
}

@media (min-width: 1024px) {
    .content-rail__side {
        width: 8rem;
    }

    .content-rail__vertical {
        writing-mode: vertical-rl;
        text-orientation: mixed;
    }
}

/* content stack rows — animated icon tiles (TW w-20 h-20 has no BS util) */
.content-stack-rows__icon-tile {
    width: 5rem;
    height: 5rem;
}

.content-stack-rows__icon-pulse {
    animation: content-stack-rows-pulse 3.5s ease-in-out infinite;
}

.content-stack-rows__icon-tile {
    animation: content-stack-rows-float 6s ease-in-out infinite;
}

.content-stack-rows__icon-glyph {
    animation: content-stack-rows-tilt 5s ease-in-out infinite;
    transform-origin: center;
}

.content-stack-rows__icon-slot--0 .content-stack-rows__icon-pulse {
    animation-delay: 0s;
}

.content-stack-rows__icon-slot--0 .content-stack-rows__icon-tile {
    animation-delay: 0s;
}

.content-stack-rows__icon-slot--0 .content-stack-rows__icon-glyph {
    animation-delay: 0.2s;
}

.content-stack-rows__icon-slot--1 .content-stack-rows__icon-pulse {
    animation-delay: 0.8s;
}

.content-stack-rows__icon-slot--1 .content-stack-rows__icon-tile {
    animation-delay: 0.8s;
}

.content-stack-rows__icon-slot--1 .content-stack-rows__icon-glyph {
    animation-delay: 1s;
}

.content-stack-rows__icon-slot--2 .content-stack-rows__icon-pulse {
    animation-delay: 1.6s;
}

.content-stack-rows__icon-slot--2 .content-stack-rows__icon-tile {
    animation-delay: 1.6s;
}

.content-stack-rows__icon-slot--2 .content-stack-rows__icon-glyph {
    animation-delay: 1.8s;
}

@keyframes content-stack-rows-float {
    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-0.35rem);
    }
}

@keyframes content-stack-rows-pulse {
    0%,
    100% {
        transform: scale(1);
        opacity: 0.55;
    }

    50% {
        transform: scale(1.14);
        opacity: 0.2;
    }
}

@keyframes content-stack-rows-tilt {
    0%,
    100% {
        transform: rotate(0deg) scale(1);
    }

    50% {
        transform: rotate(-6deg) scale(1.06);
    }
}

@media (prefers-reduced-motion: reduce) {
    .content-stack-rows__icon-pulse,
    .content-stack-rows__icon-tile,
    .content-stack-rows__icon-glyph {
        animation: none;
    }
}


.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;
    }
}

.content-vertical-paper__layout {
    display: grid;
    grid-template-columns: minmax(5rem, 8rem) minmax(0, 1fr);
}

.content-vertical-paper__title {
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    letter-spacing: -0.025em;
}

@media (max-width: 767.98px) {
    .content-vertical-paper__layout {
        grid-template-columns: 1fr;
    }

    .content-vertical-paper__title {
        writing-mode: horizontal-tb;
        transform: none;
    }
}