.gist-cta-hover {
    transition: background-color 0.2s ease;
}

.gist-cta-hover:hover {
    background-color: rgba(var(--bs-primary-rgb), 0.1);
}

.gist-paper {
    border-radius: 2px;
}

.gist-sq-8  { width: 2rem;   height: 2rem;   flex-shrink: 0; }
.gist-sq-10 { width: 2.5rem; height: 2.5rem; flex-shrink: 0; }
.gist-sq-12 { width: 3rem;   height: 3rem;   flex-shrink: 0; }
.gist-sq-16 { width: 4rem;   height: 4rem;   flex-shrink: 0; }
.gist-sq-20 { width: 5rem;   height: 5rem;   flex-shrink: 0; }

.gist-corner {
    width: 1.75rem;
    height: 1.75rem;
    border-color: var(--bs-primary) !important;
}

.gist-corner--top-start {
    border-top: 2px solid var(--bs-primary);
    border-left: 2px solid var(--bs-primary);
}

.gist-corner--top-end {
    border-top: 2px solid var(--bs-primary);
    border-right: 2px solid var(--bs-primary);
}

.gist-corner--bottom-start {
    border-bottom: 2px solid var(--bs-primary);
    border-left: 2px solid var(--bs-primary);
}

.gist-corner--bottom-end {
    border-bottom: 2px solid var(--bs-primary);
    border-right: 2px solid var(--bs-primary);
}

.gist-paper-lines {
    background-image: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 11px,
        rgba(255, 255, 255, 0.4) 11px,
        rgba(255, 255, 255, 0.4) 12px
    );
}

.gist-meta-header {
    font-size: 0.6rem;
    letter-spacing: 0.25em;
}

.gist-field-label {
    font-size: 0.6rem;
    letter-spacing: 0.15em;
    min-width: 7.5rem;
}

.gist-note-radius {
    border-radius: 0 6px 6px 0;
}

.gist-note-rule {
    border-bottom: 4px solid var(--bs-primary);
}

.gist-divider-rule {
    height: 0.5rem;
    background-color: rgba(var(--bs-primary-rgb), 0.06);
    border-top: 2px solid rgba(var(--bs-primary-rgb), 0.35);
    border-bottom: 2px solid rgba(var(--bs-primary-rgb), 0.35);
}

.gist-seal-text {
    font-size: 0.5rem;
    letter-spacing: 0.05em;
}

.gist-footer-meta {
    font-size: 0.55rem;
    letter-spacing: 0.1em;
}

.gist-dot {
    width: 0.25rem;
    height: 0.25rem;
}

.features-icon-top-cards__item--hover:hover {
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    transform: translateY(-0.25rem);
}

/* -- Feature card hover -- */
.feat-card-hover {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.feat-card-hover:hover {
    transform: translateY(-3px);
    box-shadow: 0 0.5rem 1.5rem rgba(0,0,0,.12) !important;
}

/* -- Icon box sizing -- */
.feat-icon-box {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    min-width: 2.5rem;
    min-height: 2.5rem;
}
.feat-icon-box--lg {
    width: 4rem;
    height: 4rem;
    border-radius: 0.75rem;
}
.feat-icon-box--xl {
    width: 5rem;
    height: 5rem;
    border-radius: 1rem;
}
.feat-icon-box--circle {
    border-radius: 50%;
}

/* -- Nav/filmstrip button hover -- */
.feat-btn-nav {
    transition: transform 0.15s ease, background-color 0.15s ease;
}
.feat-btn-nav:hover {
    transform: scale(1.1);
}

/* -- Table row hover -- */
.feat-table-row-hover {
    transition: background-color 0.15s ease;
}
.feat-table-row-hover:hover {
    background-color: var(--bs-primary-bg-subtle) !important;
}

/* -- Accordion item hover -- */
.feat-accordion-hover summary:hover {
    background-color: var(--bs-primary-bg-subtle);
    border-radius: 0.75rem;
}

/* -- DL item hover -- */
.feat-dl-item-hover {
    transition: background-color 0.15s ease;
    border-radius: 0.5rem;
    padding-left: 0.5rem;
    padding-right: 0.5rem;
}
.feat-dl-item-hover:hover {
    background-color: var(--bs-primary-bg-subtle);
}

/* -- Deck button hover -- */
.feat-deck-btn {
    transition: filter 0.2s ease, transform 0.15s ease;
}
.feat-deck-btn:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
}
/* process diagonal — bg blob, card clip-path variants, hover lift */
.process-diag__bg-blob {
    position: absolute;
    width: 35rem;
    height: 35rem;
    border-radius: 50%;
    filter: blur(6rem);
    opacity: 0.05;
    pointer-events: none;
    top: -10rem;
    left: 30%;
    background: var(--bs-primary);
}
.process-diag__card {
    transition: transform 200ms ease;
}
.process-diag__card:hover {
    transform: scale(1.01);
}
.process-diag__card--0 {
    clip-path: polygon(0 0, 100% 0, 100% 95%, 0 100%);
}
.process-diag__card--1 {
    clip-path: polygon(0 5%, 100% 0, 100% 100%, 0 95%);
}
.process-diag__watermark {
    z-index: 0;
    max-width: 100%;
    overflow: hidden;
    user-select: none;
}

/* advantages timeline path — connector line + icon node sizing + scroll reveal + decor orb (layout/motion only, no colors) */

.advantages-path__orb {
    width: 18rem;
    height: 18rem;
    top: -5rem;
    right: -6rem;
}

.advantages-path__node {
    width: 2.5rem;
    height: 2.5rem;
}

/* vertical connector aligned to the node centre (node is 2.5rem → centre at 1.25rem) */
.advantages-path__line {
    left: 1.25rem;
    width: 2px;
}

/* scroll reveal — only armed once JS runs, so the list stays visible without JS */
.advantages-path.is-armed .advantages-path__item {
    opacity: 0;
    transform: translateY(1rem);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.advantages-path.is-armed .advantages-path__item.is-visible {
    opacity: 1;
    transform: none;
}

/* quote — featured academic quote + supporting cards */

/* serif lead + drop-cap. BS has no font-serif utility; font-family here is allowed (it is not a color) */
.quote-essay__lead {
    font-family: ui-serif, Georgia, "Times New Roman", serif;
}

.quote-essay__lead::first-letter {
    float: left;
    font-size: 3.25rem;
    line-height: 0.8;
    padding-right: 0.5rem;
    font-weight: 700;
}

/* author avatar: fixed size + cover (neither has a BS utility) */
.quote-essay__avatar {
    width: 3.5rem;
    height: 3.5rem;
    object-fit: cover;
}

.quote-essay__glow {
    width: 16rem;
    height: 16rem;
    filter: blur(64px);
}

/* stepping-stone offset rhythm on supporting cards — layout only */
@media (min-width: 1024px) {
    .quote-essay__step:nth-child(odd) {
        transform: translateY(0.75rem);
    }
    .quote-essay__step:nth-child(even) {
        transform: translateY(-0.25rem);
    }
}
/* hover + focus affordances (layout/outline via theme token) */
@media (hover: hover) {
    .quote-essay-root [role="listitem"]:hover,
    .quote-essay-root article:hover,
    .quote-essay-root [class*="quote-essay__card"]:hover,
    .quote-essay-root .quote-essay__book:hover,
    .quote-essay-root .quote-essay__step:hover,
    .quote-essay-root .quote-essay__index-card:hover,
    .quote-essay-root .quote-essay__pill:hover,
    .quote-essay-root .quote-essay__item:hover {
        transform: translateY(-0.125rem);
    }
}

.quote-essay-root [role="listitem"],
.quote-essay-root article,
.quote-essay-root [class*="quote-essay__card"],
.quote-essay-root .quote-essay__book,
.quote-essay-root .quote-essay__step,
.quote-essay-root .quote-essay__index-card,
.quote-essay-root .quote-essay__pill {
    transition: transform 200ms ease;
}

.quote-essay-root a:focus-visible,
.quote-essay-root button:focus-visible,
.quote-essay-root [tabindex="0"]:focus-visible,
.quote-essay-root input:focus-visible,
.quote-essay-root summary:focus-visible,
.quote-essay-root [role="slider"]:focus-visible {
    outline: 2px solid var(--bs-primary);
    outline-offset: 2px;
}

@media (hover: hover) {
    .quote-essay-root button:hover,
    .quote-essay-root a:hover,
    .quote-essay-root summary:hover {
        opacity: 0.92;
    }
}