.intro-split-gradient__col-left {
    flex: 1 1 60%;
}

.intro-split-gradient__skew-decor {
    width: 8rem;
}

.intro-split-gradient__content-area {
    max-width: 42rem;
}

.intro-split-gradient__text-box {
    max-width: 36rem;
}

.intro-split-gradient__col-right {
    flex: 1 1 40%;
    display: flex;
    flex-direction: column;
    min-height: 0;
    align-self: stretch;
}

.intro-split-gradient__media-frame {
    flex: 1 1 auto;
    position: relative;
    overflow: hidden;
    /* Завжди є «коробка» для absolute img (BS Reboot: img height:auto ламає h-100 у порожнього батька) */
    min-height: 16rem;
    aspect-ratio: 4 / 3;
}

/* Перебиваємо Bootstrap reboot для img */
.intro-split-gradient__media-frame > img.intro-split-gradient__media-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    max-width: none;
    object-fit: cover;
    z-index: 0;
}

@media (min-width: 992px) {
    /* Права смуга на всю висоту в’юпорту — тоді flex-grow має від чого рахувати */
    .intro-split-gradient__col-right {
        min-height: 100vh;
        min-height: 100dvh;
    }

    .intro-split-gradient__media-frame {
        flex: 1 1 0;
        width: 100%;
        min-height: min(50vh, 24rem);
        max-height: none;
        aspect-ratio: auto;
    }

    .intro-split-gradient__media-frame > img.intro-split-gradient__media-img {
        height: 100%;
    }
}

.intro-split-gradient__media-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}


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

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

.editorial-document__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 stride — alternating paragraph inset (no surfaces) */
.content-stride__para--odd {
    padding-inline-start: 0;
}

@media (min-width: 768px) {
    .content-stride__para--even {
        padding-inline-start: 2rem;
    }
}

.card-stack__accent--1 { width: 10rem; height: 10rem; filter: blur(2rem); }
.card-stack__accent--2 { width: 12rem; height: 12rem; filter: blur(2rem); }
.card-stack__accent--3 { width: 8rem; height: 8rem; filter: blur(1.5rem); }
.card-stack__accent--4 { width: 9rem; height: 9rem; filter: blur(2rem); }

.card-stack__title-line--1, .card-stack__title-line--2 {
    width: 5rem; height: 0.125rem; transform: translateY(-50%);
}
.card-stack__title-dot--1 { width: 0.5rem; height: 0.5rem; top: -0.5rem; right: -0.5rem; }
.card-stack__title-dot--2 { width: 0.5rem; height: 0.5rem; bottom: -0.5rem; left: -0.5rem; }

.card-stack__corner--tl { top: -0.5rem; left: -0.5rem; width: 1.5rem; height: 1.5rem; }
.card-stack__corner--tr { top: -0.5rem; right: -0.5rem; width: 1.5rem; height: 1.5rem; }
.card-stack__corner--bl { bottom: -0.5rem; left: -0.5rem; width: 1.5rem; height: 1.5rem; }
.card-stack__corner--br { bottom: -0.5rem; right: -0.5rem; width: 1.5rem; height: 1.5rem; }

.card-stack__corner--fade {
    opacity: 0;
    transition: opacity 0.3s ease;
}
.card-stack__item:hover .card-stack__corner--fade {
    opacity: 1;
}

.card-stack__media--hover {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 0.5rem 1rem rgba(0,0,0,0.1);
}
.card-stack__item:hover .card-stack__media--hover {
    transform: scale(1.05);
    box-shadow: 0 1rem 3rem rgba(0,0,0,0.2);
}

.card-stack__decor--glow {
    background: radial-gradient(circle at center, rgba(var(--bs-primary-rgb), 0.2), transparent);
    opacity: 0;
    transition: opacity 0.5s ease;
}
.card-stack__item:hover .card-stack__decor--glow {
    opacity: 1;
}

.card-stack__img--zoom {
    transition: transform 0.5s ease;
}
.card-stack__item:hover .card-stack__img--zoom {
    transform: scale(1.1);
}

.card-stack__overlay--fade {
    opacity: 0;
    transition: opacity 0.3s ease;
}
.card-stack__item:hover .card-stack__overlay--fade {
    opacity: 1;
}

.card-stack__overlay--dark {
    opacity: 0;
    transition: opacity 0.3s ease;
}
.card-stack__item:hover .card-stack__overlay--dark {
    opacity: 1;
}

.card-stack__inner-corner--tl, .card-stack__inner-corner--br {
    width: 4rem; height: 4rem;
}

.card-stack__badge--shadow {
    transition: box-shadow 0.3s ease;
    box-shadow: 0 0.25rem 0.5rem rgba(0,0,0,0.1);
}
.card-stack__item:hover .card-stack__badge--shadow {
    box-shadow: 0 0.5rem 1rem rgba(0,0,0,0.15);
}

.card-stack__accent-corner--tr { right: 0; width: 2rem; height: 2rem; opacity: 0; transition: opacity 0.3s ease; }
.card-stack__accent-corner--bl { left: 0; width: 2rem; height: 2rem; opacity: 0; transition: opacity 0.3s ease; }
.card-stack__item:hover .card-stack__accent-corner--tr,
.card-stack__item:hover .card-stack__accent-corner--bl {
    opacity: 1;
}

.card-stack__panel--slide {
    transform: translateY(100%);
    transition: transform 0.3s ease;
}
.card-stack__item:hover .card-stack__panel--slide {
    transform: translateY(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;
    }
}

.content-tabs-note__tab {
    appearance: none;
    -webkit-appearance: none;
    font: inherit;
    cursor: pointer;
    outline-offset: 0.2rem;
    transition: transform 180ms ease;
    box-sizing: border-box;
}

@media (min-width: 992px) {
    .content-tabs-note [role="tablist"] {
        overflow: visible;
    }

    .content-tabs-note__tab {
        width: 100%;
        max-width: 100%;
        white-space: normal;
    }
}

.content-tabs-note__tab:hover {
    transform: translateY(-0.125rem);
}

.content-tabs-note__tab.is-active {
    transform: translateY(-0.125rem);
}