.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-river__arc {
    width: 18rem;
    height: 18rem;
}

.content-river__node {
    width: 0.75rem;
    height: 0.75rem;
    transform: translate(-50%, -50%);
}

@media (min-width: 768px) {
    .content-river__copy--right {
        grid-column-start: 2;
    }

    .content-river__copy--left {
        grid-column-start: 1;
        grid-row-start: 1;
    }

    .content-river__spacer--left {
        order: 2;
    }
}

/* 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;
    }
}

.ribbon-flow__accent--1 { width: 8rem; height: 8rem; filter: blur(2rem); }
.ribbon-flow__accent--2 { width: 10rem; height: 10rem; filter: blur(2rem); }
.ribbon-flow__accent--3 { width: 6rem; height: 6rem; filter: blur(1.5rem); }
.ribbon-flow__accent--4 { width: 7rem; height: 7rem; filter: blur(1.5rem); }
.ribbon-flow__accent--5 { width: 9rem; height: 9rem; filter: blur(2rem); }

.ribbon-flow__line--1 { height: 0.125rem; }
.ribbon-flow__line--2 { height: 0.125rem; top: 25%; }
.ribbon-flow__line--3 { height: 0.125rem; top: 50%; }
.ribbon-flow__line--4 { height: 0.125rem; top: 75%; }
.ribbon-flow__line--5 { height: 0.125rem; }

.ribbon-flow__dot--1, .ribbon-flow__dot--2, .ribbon-flow__dot--3, .ribbon-flow__dot--4,
.ribbon-flow__dot--5, .ribbon-flow__dot--6, .ribbon-flow__dot--7, .ribbon-flow__dot--8 {
    width: 0.5rem; height: 0.5rem;
}

.ribbon-flow__dash--1, .ribbon-flow__dash--2, .ribbon-flow__dash--3, .ribbon-flow__dash--4 {
    width: 8rem; height: 0.125rem;
}
.ribbon-flow__dash--1 { top: 25%; }
.ribbon-flow__dash--2 { top: 50%; }
.ribbon-flow__dash--3 { bottom: 25%; width: 6rem; }
.ribbon-flow__dash--4 { bottom: 50%; width: 6rem; }

.ribbon-flow__shape--1 { width: 4rem; height: 4rem; transform: rotate(45deg); }
.ribbon-flow__shape--2 { width: 3rem; height: 3rem; transform: rotate(45deg); }
.ribbon-flow__shape--3 { width: 2rem; height: 2rem; }
.ribbon-flow__shape--4 { width: 2.5rem; height: 2.5rem; }

.ribbon-flow__title-line--1, .ribbon-flow__title-line--2 {
    width: 4rem; height: 0.125rem; transform: translateY(-50%);
}
.ribbon-flow__title-dot--1 { width: 0.5rem; height: 0.5rem; top: -0.5rem; right: -0.5rem; }
.ribbon-flow__title-dot--2 { width: 0.5rem; height: 0.5rem; bottom: -0.5rem; left: -0.5rem; }

.ribbon-flow__media--xl { height: 20rem; }
.ribbon-flow__media--lg { height: 18rem; }
.ribbon-flow__media--md { height: 16rem; }

.ribbon-flow__glow--br { background: radial-gradient(circle at bottom right, rgba(var(--bs-primary-rgb), 0.2), transparent); }
.ribbon-flow__glow--bl { background: radial-gradient(circle at bottom left, rgba(var(--bs-primary-rgb), 0.2), transparent); }

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

.ribbon-flow__img--zoom {
    transition: transform 0.5s ease;
}
.ribbon-flow__row:hover .ribbon-flow__img--zoom {
    transform: scale(1.1);
}

.ribbon-flow__overlay--fade {
    opacity: 0;
    transition: opacity 0.3s ease;
}
.ribbon-flow__row:hover .ribbon-flow__overlay--fade {
    opacity: 1;
}

.ribbon-flow__overlay--glow {
    opacity: 0;
    transition: opacity 0.5s ease;
}
.ribbon-flow__row:hover .ribbon-flow__overlay--glow {
    opacity: 1;
}

.ribbon-flow__corner--tl, .ribbon-flow__corner--br { width: 5rem; height: 5rem; }

.ribbon-flow__badge--left { left: 1rem; }
.ribbon-flow__badge--right { right: 1rem; }

.ribbon-flow__accent-corner--tr { right: 0; width: 1.5rem; height: 1.5rem; border-right-width: 2px; }
.ribbon-flow__accent-corner--tl { left: 0; width: 1.5rem; height: 1.5rem; border-left-width: 2px; }
.ribbon-flow__accent-corner--bl { left: 0; width: 1.5rem; height: 1.5rem; border-left-width: 2px; }
.ribbon-flow__accent-corner--br { right: 0; width: 1.5rem; height: 1.5rem; border-right-width: 2px; }

.ribbon-flow__panel--slide {
    transform: translateY(100%);
    transition: transform 0.3s ease;
}
.ribbon-flow__row:hover .ribbon-flow__panel--slide {
    transform: translateY(0);
}

.ribbon-flow__slot { width: 5rem; height: 0.25rem; }
.ribbon-flow__slot-line { height: 0.125rem; opacity: 0; transition: opacity 0.3s ease; }
.ribbon-flow__slot-dot { width: 0.5rem; height: 0.5rem; opacity: 0; transition: opacity 0.3s ease; }
.ribbon-flow__row:hover .ribbon-flow__slot-line,
.ribbon-flow__row:hover .ribbon-flow__slot-dot {
    opacity: 1;
}

.ribbon-flow__row-accent--left { left: 0; transform: translateY(-50%); width: 2rem; height: 2rem; opacity: 0; transition: opacity 0.3s ease; }
.ribbon-flow__row-accent--right { right: 0; transform: translateY(-50%); width: 2rem; height: 2rem; opacity: 0; transition: opacity 0.3s ease; }
.ribbon-flow__row:hover .ribbon-flow__row-accent--left,
.ribbon-flow__row:hover .ribbon-flow__row-accent--right {
    opacity: 1;
}

/* Bootstrap Fallbacks */
@media (min-width: 768px) {
   
    .ribbon-flow__media--w40 { width: 40%; }
    .ribbon-flow__media--w33 { width: 33.333333%; }
}

.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;
}

.copy-document__text-panel-inset {
    padding: 4rem;
}

.content-margin-notes__aside {
    align-self: start;
}

@media (min-width: 992px) {
    .content-margin-notes__aside {
        position: sticky;
        top: 2rem;
    }
}