.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;
    }
}

/* About v10 — tab visibility and active state (no palette in CSS) */

.guide-sq-8  { width: 2rem;   height: 2rem;   flex-shrink: 0; }
.guide-sq-12 { width: 3rem;   height: 3rem;   flex-shrink: 0; }
.guide-sq-16 { width: 4rem;   height: 4rem;   flex-shrink: 0; }
.guide-sq-20 { width: 5rem;   height: 5rem;   flex-shrink: 0; }

.guide-ab10-tab-panel.guide-ab10-tab-panel-hidden {
    display: none;
}

.guide-ab10-tab-btn.guide-ab10-tab-active {
    font-weight: 700;
    transform: translateY(-1px);
}

.guide-ab10-tab-btn.guide-ab10-tab-inactive {
    font-weight: 500;
    opacity: 0.9;
}

/* 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-animated-dots__dot--pos-1 {
    top: 5rem;
    left: 4rem;
    width: 2rem;
    height: 2rem;
}

.gallery-animated-dots__dot--pos-2 {
    top: 8rem;
    right: 5rem;
    width: 1.5rem;
    height: 1.5rem;
}

.gallery-animated-dots__dot--pos-3 {
    bottom: 6rem;
    left: 5rem;
    width: 2.5rem;
    height: 2.5rem;
}

.gallery-animated-dots__dot--pos-4 {
    bottom: 8rem;
    right: 4rem;
    width: 1rem;
    height: 1rem;
}

.gallery-animated-dots__dot--pos-5 {
    top: 25%;
    left: 25%;
    width: 0.5rem;
    height: 0.5rem;
}

.gallery-animated-dots__dot--pos-6 {
    top: 33.333%;
    right: 33.333%;
    width: 0.75rem;
    height: 0.75rem;
}

.gallery-animated-dots__dot--pos-7 {
    bottom: 25%;
    left: 33.333%;
    width: 0.5rem;
    height: 0.5rem;
}

@keyframes gallery-animated-dots-bounce-kf {
    0%, 100% { transform: translateY(-25%); animation-timing-function: cubic-bezier(0.8, 0, 1, 1); }
    50% { transform: translateY(0); animation-timing-function: cubic-bezier(0, 0, 0.2, 1); }
}

.gallery-animated-dots__dot--bounce {
    animation: gallery-animated-dots-bounce-kf 1s infinite;
}

@keyframes gallery-animated-dots-pulse-kf {
    0%, 100% { opacity: 1; }
    50% { opacity: .5; }
}

.gallery-animated-dots__dot--pulse {
    animation: gallery-animated-dots-pulse-kf 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes gallery-animated-dots-ping-kf {
    75%, 100% { transform: scale(2); opacity: 0; }
}

.gallery-animated-dots__dot--ping {
    animation: gallery-animated-dots-ping-kf 1s cubic-bezier(0, 0, 0.2, 1) infinite;
}

.gallery-animated-dots__item--hover {
    transition: transform 0.3s ease;
}

.gallery-animated-dots__item--hover:hover {
    transform: scale(1.05);
}


.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;
    }
}