/* intro v19 — photo-free index list: soft blurred blobs, fixed icon tiles, scroll reveal */

/* Soft background blobs (fixed size + blur have no BS utility; colour stays a Tailwind/BS class) */
.intro-index__blob {
    width: 24rem;
    height: 24rem;
    filter: blur(64px);
    opacity: 0.5;
}

/* Icon tile fixed size (BS has no w-N/h-N utility) */
.intro-index__icon-tile {
    width: 3rem;
    height: 3rem;
}

/* Scroll reveal — cards hide only once JS arms the section (no-JS content stays visible) */
.intro-index.is-armed .intro-index__card {
    opacity: 0;
    transform: translateY(1.5rem);
    transition: opacity 560ms ease, transform 560ms ease;
}
.intro-index.is-armed .intro-index__card.is-in {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    .intro-index.is-armed .intro-index__card {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

.services__link--lift {
  transition: transform 0.2s ease, filter 0.2s ease;
}

.services__link--lift:hover {
  transform: translateX(2px);
  filter: brightness(1.08);
}

.hive-card {
    clip-path: polygon(18% 0%, 82% 0%, 100% 50%, 82% 100%, 18% 100%, 0% 50%);
    min-height: 22rem;
    padding: 3.75rem 3.25rem 3rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.hive-card-icon {
    clip-path: polygon(25% 0%, 75% 0%, 100% 50%, 75% 100%, 25% 100%, 0% 50%);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hive-card-glow,
.hive-card-accent {
    transition: transform 0.4s ease, opacity 0.3s ease, width 0.4s ease;
}

.hive-card:hover {
    transform: translateY(-0.4rem);
    box-shadow: var(--bs-box-shadow-lg);
    border-color: rgba(var(--bs-primary-rgb), 0.35) !important;
}

.hive-card:hover .hive-card-glow {
    transform: translate(1rem, -1rem) scale(1.12);
}

.hive-card:hover .hive-card-icon {
    transform: rotate(10deg) scale(1.04);
    box-shadow: var(--bs-box-shadow);
}

.hive-card:hover .hive-card-accent {
    width: 70% !important;
}

@media (max-width: 767.98px) {
    .hive-card {
        clip-path: none;
        min-height: 0;
        padding: 1.5rem;
        border-radius: 1.5rem;
    }
}

.feature-card-surface {
    position: relative;
    isolation: isolate;
    background: transparent !important;
    border-color: transparent !important;
    box-shadow: none !important;
}

.feature-card-surface > * {
    position: relative;
    z-index: 1;
}

.feature-card-surface::before {
    content: "";
    position: absolute;
    inset: calc(var(--bs-gutter-y, 1rem) * 0.5) calc(var(--bs-gutter-x, 1.5rem) * 0.5);
    border-radius: inherit;
    background: var(--bs-body-bg);
    border: 1px solid var(--bs-border-color-translucent);
    box-shadow: var(--bs-box-shadow-sm);
    z-index: 0;
    transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
}

.feature-card-surface:hover:before {
    box-shadow: var(--bs-box-shadow-lg);
    border-color: rgba(var(--bs-primary-rgb), 0.3);
}

/* -- 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);
}
/* 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;
    }
}