.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;
}

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

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

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

.content-img-grows {
    display: block;
    width: 100%;
    height: 16rem;
    min-height: 16rem;
    flex-shrink: 0;
    object-fit: cover;
}
@media (min-width: 992px) {
    .content-img-grows {
        height: 20rem;
        min-height: 20rem;
    }
}

.brief-sq-10 { width: 2.5rem; height: 2.5rem; flex-shrink: 0; }

.brief-glass-card,
.brief-glass-panel,
.brief-glass-value {
    backdrop-filter: blur(0.75rem);
    box-shadow: 0 1rem 2rem rgba(15, 23, 42, 0.08);
}

.brief-glass-card {
    background-color: rgba(var(--bs-body-bg-rgb), 0.72);
}

.brief-glass-panel,
.brief-glass-value {
    background-color: rgba(var(--bs-body-bg-rgb), 0.56);
}

.brief-brand-line {
    width: 2.5rem;
    height: 0.125rem;
    background-color: rgba(var(--bs-primary-rgb), 0.45);
}

.brief-orb-one {
    top: -6rem;
    left: -6rem;
    width: 24rem;
    height: 24rem;
    filter: blur(3rem);
}

.brief-orb-two {
    right: -6rem;
    bottom: -6rem;
    width: 20rem;
    height: 20rem;
    filter: blur(3rem);
}

.brief-orb-three {
    top: 50%;
    right: 25%;
    width: 14rem;
    height: 14rem;
    filter: blur(3rem);
}

.brief-cta-hover {
    transition: transform 0.3s ease;
}

.brief-cta-hover:hover {
    transform: scale(1.05);
}

.brief-card-hover {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.brief-card-hover:hover {
    transform: translateY(-0.25rem);
    box-shadow: var(--bs-box-shadow-lg);
}

.brief-icon-hover {
    transition: transform 0.3s ease;
}

.brief-card-hover:hover .brief-icon-hover {
    transform: scale(1.1);
}

.brief-title-hover {
    transition: color 0.3s ease;
}

.brief-card-hover:hover .brief-title-hover {
    color: var(--bs-primary);
}

.content-brief__float-square {
    width: 4rem;
    height: 4rem;
}

.content-brief__float-square--slow {
    animation: content-brief-float-slow 10s ease-in-out infinite;
}

.content-brief__float-square--fast {
    animation: content-brief-float-fast 7s ease-in-out infinite;
}

@keyframes content-brief-float-slow {
    0%,
    100% {
        transform: translateY(0) rotate(0deg);
    }

    50% {
        transform: translateY(-8px) rotate(6deg);
    }
}

@keyframes content-brief-float-fast {
    0%,
    100% {
        transform: translateY(0) rotate(0deg);
    }

    50% {
        transform: translateY(8px) rotate(-7deg);
    }
}

/* content plain — thin vertical rule height (BS has no h-16 spine utility) */
.content-plain__fine-rule {
    height: 6rem;
}

.timeline-layout__card--hover {
    transition: transform 0.3s ease;
}
.timeline-layout__card--hover:hover {
    transform: scale(1.05);
}

.timeline-layout__img--zoom {
    transition: transform 0.5s ease;
}
.timeline-layout__row:hover .timeline-layout__img--zoom {
    transform: scale(1.1);
}

.timeline-layout__overlay--fade {
    opacity: 0;
    transition: opacity 0.3s ease;
}
.timeline-layout__row:hover .timeline-layout__overlay--fade {
    opacity: 1;
}

.timeline-layout__panel--slide {
    transform: translateY(100%);
    transition: transform 0.3s ease;
}
.timeline-layout__row:hover .timeline-layout__panel--slide {
    transform: translateY(0);
}

.timeline-layout__badge--zoom {
    transition: transform 0.3s ease;
}
.timeline-layout__row:hover .timeline-layout__badge--zoom {
    transform: scale(1.25);
}

.timeline-layout__slot {
    width: 3rem;
    height: 3rem;
}

.timeline-layout__badge {
    width: 2rem;
    height: 2rem;
}

.timeline-layout__line {
    width: 0.25rem;
}


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