.briefing-chapter__bg-overlay {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.briefing-chapter__title-trail { margin-bottom: 2rem; }

.briefing-chapter__rule-trail {
    margin-bottom: 2rem;
    min-width: 6rem;
    height: 0.25rem;
}

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

.content-section-pad {
    padding-top: 6rem;
    padding-bottom: 6rem;
}


.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-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;
}

.narrative-chapter__column-inset {
    padding: 4rem;
}

.content-prose__diamond {
    transform: rotate(45deg);
}

/* content companion — hairline width for BS decor */
.content-companion__hair {
    width: 3rem;
}

/* numeric index column width on small screens */
.content-companion__index {
    min-width: 0;
}

.content-companion__index-digit {
    font-variant-numeric: tabular-nums;
}

/* gallery v17 — diagonal cascade ribbon (clip-path + staggered offsets have no BS analog) */
.gallery-cascade__media {
    transition: clip-path 300ms ease;
}

@media (min-width: 640px) {
    [data-cascade-pos] {
        transition: transform 300ms ease;
    }

    [data-cascade-pos="0"] {
        transform: translateY(0);
    }

    [data-cascade-pos="0"] .gallery-cascade__media {
        clip-path: polygon(0 0, 100% 0, 100% 88%, 0 100%);
    }

    [data-cascade-pos="1"] {
        transform: translateY(1.75rem);
    }

    [data-cascade-pos="1"] .gallery-cascade__media {
        clip-path: polygon(0 12%, 100% 0, 100% 100%, 0 88%);
    }

    [data-cascade-pos="2"] {
        transform: translateY(-1.25rem);
    }

    [data-cascade-pos="2"] .gallery-cascade__media {
        clip-path: polygon(0 0, 100% 12%, 100% 88%, 0 100%);
    }

    [data-cascade-pos="3"] {
        transform: translateY(2.25rem);
    }

    [data-cascade-pos="3"] .gallery-cascade__media {
        clip-path: polygon(0 12%, 100% 0, 100% 100%, 0 88%);
    }

    [data-cascade-pos]:hover {
        transform: translateY(0);
    }

    [data-cascade-pos]:hover .gallery-cascade__media {
        clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
    }
}

.content-grid-gap {
    gap: 2rem;
}

.content-full-frame {
    max-width: 80rem;
    margin-left: auto;
    margin-right: auto;
    width: 100%;
}

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

.content-section-pad {
    padding-top: 6rem;
    padding-bottom: 6rem;
}

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

.content-focus-checklist__button {
    appearance: none;
    -webkit-appearance: none;
    font: inherit;
    cursor: pointer;
    outline-offset: 0.2rem;
    transition: transform 180ms ease;
}

.content-focus-checklist__button:hover {
    transform: translateY(-0.125rem);
}

.content-focus-checklist__button.is-active {
    transform: translateX(0.25rem);
}