/* 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;
    }
}

.feat-filmstrip::-webkit-scrollbar {
    display: none;
}

.feat-filmstrip {
    -ms-overflow-style: none;
    scrollbar-width: none;
    list-style: none;
    padding: 0;
    margin: 0;
}

.feat-filmstrip > li {
    list-style: none;
}

@keyframes features-filmstrip-pulse-kf {
    0%, 100% { opacity: 1; }
    50% { opacity: .5; }
}

@keyframes features-filmstrip-spin-kf {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes features-filmstrip-bounce-kf {
    0%, 100% { transform: translateY(-25%); animation-timing-function: cubic-bezier(0.8,0,1,1); }
    50% { transform: none; animation-timing-function: cubic-bezier(0,0,0.2,1); }
}

.features-filmstrip__decor--pulse {
    filter: blur(48px);
    animation: features-filmstrip-pulse-kf 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.features-filmstrip__decor--spin {
    animation: features-filmstrip-spin-kf 1s linear infinite;
}

.features-filmstrip__decor--bounce {
    transform: rotate(-12deg);
    animation: features-filmstrip-bounce-kf 1s infinite;
}

.features-filmstrip__decor--line {
    transform: rotate(-6deg);
}

/* BS-mode decorative shapes — subtle, non-intrusive */
.features-filmstrip__decor--bs-blob {
    width: 16rem;
    height: 16rem;
    background-color: var(--bs-primary-bg-subtle);
    opacity: 0.4;
    filter: blur(48px);
}
.features-filmstrip__decor--bs-shape {
    opacity: 0.15;
}
.features-filmstrip__decor--bs-line {
    border-left: 1px solid var(--bs-primary);
    opacity: 0.15;
}

.features-filmstrip__btn--hover:hover {
    transform: scale(1.05);
}

.features-filmstrip__btn--hover:hover.bg-primary-subtle {
    border-color: var(--bs-primary) !important;
}

.features-filmstrip__card--hover:hover {
    box-shadow: 0 1rem 3rem rgba(0,0,0,.175) !important;
    border-color: var(--bs-primary) !important;
}

.features-filmstrip__card--hover:hover .features-filmstrip__icon--lift {
    transform: scale(1.1);
}

.features-filmstrip__card--hover:hover .features-filmstrip__title--hover {
    color: var(--bs-primary) !important;
}

/* -- 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);
}
/* Geometry shared by both CSS frameworks (Bootstrap has no utilities for it) */
.whyus-woodcut__ecg {
    display: block;
}

.mxw-6xl {
    max-width: 72rem !important;
}

.whyus-woodcut__row {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 1.5rem;
    align-items: start;
}

.whyus-woodcut__runin-heading {
    font-size: 1.5rem;
    font-weight: 900;
    margin-inline-end: 0.5rem;
}

.whyus-woodcut__intro {
    font-size: 0.875rem;
}

.whyus-woodcut__ecg-box {
    height: 2rem;
}

.whyus-woodcut__table {
    border-collapse: collapse;
    font-size: 0.75rem;
}

.whyus-woodcut__cell {
    padding: 0.375rem 0.5rem;
}

.whyus-woodcut__cell--note {
    font-size: 0.75rem;
}

.whyus-woodcut__cta {
    transition: transform 150ms ease;
}

/* hover — `:where()` keeps specificity at 0-1-0 so Tailwind's hover:scale-105 wins there */
:where(.whyus-woodcut__cta):hover {
    transform: scale(1.05);
}

.whyus-woodcut__col {
    gap: 1rem;
}

.whyus-woodcut__card {
    padding: 1rem;
}

.whyus-woodcut__card-decor {
    top: -0.75rem;
    inset-inline-end: -0.75rem;
    width: 3rem;
    height: 3rem;
}

.whyus-woodcut__card-label {
    font-size: 0.75rem;
    letter-spacing: 0.025em;
}

.whyus-woodcut__card-title {
    font-size: 1rem;
    font-weight: 900;
}

.whyus-woodcut__card-desc {
    font-size: 0.875rem;
}

@media (min-width: 768px) {
    .whyus-woodcut {
        padding-top: 4rem;
        padding-bottom: 4rem;
    }

    .whyus-woodcut__row {
        grid-template-columns: repeat(12, minmax(0, 1fr));
        gap: 2.5rem;
    }

    .whyus-woodcut__hero {
        grid-column: span 5 / span 5;
        position: sticky;
        top: 2rem;
    }

    .whyus-woodcut__col {
        grid-column: span 7 / span 7;
        gap: 1.5rem;
    }

    .whyus-woodcut__runin-heading {
        font-size: 1.875rem;
    }

    .whyus-woodcut__intro,
    .whyus-woodcut__card-desc {
        font-size: 1rem;
    }

    .whyus-woodcut__table {
        font-size: 0.875rem;
    }

    .whyus-woodcut__card {
        padding: 1.25rem;
    }

    .whyus-woodcut__card-title {
        font-size: 1.125rem;
    }
}

/* whyus v29 — woodblock print texture, glitch-flicker hero entrance, ECG heartbeat trace, hover blur/sharpen, run-in heading helper */

/* Woodblock print texture overlay — diagonal ruled lines drawn with currentColor, no literal color values */
.whyus-woodcut__texture {
    position: relative;
    isolation: isolate;
}

.whyus-woodcut__texture::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background-image: repeating-linear-gradient(118deg, currentColor 0, currentColor 1px, transparent 1px, transparent 7px);
    opacity: 0.05;
}

/* Glitch-flicker entrance on the hero card — brief opacity/position jitter settling to stable */
.whyus-woodcut__hero {
    animation: whyus-woodcut-glitch 700ms steps(1, end) both;
}

@keyframes whyus-woodcut-glitch {
    0% { opacity: 0; transform: translate(0, 0); }
    12% { opacity: 1; transform: translate(-3px, 2px); }
    24% { opacity: 0.6; transform: translate(3px, -2px); }
    36% { opacity: 1; transform: translate(-2px, 0); }
    48% { opacity: 0.75; transform: translate(2px, 1px); }
    62% { opacity: 1; transform: translate(-1px, -1px); }
    78% { opacity: 0.9; transform: translate(1px, 0); }
    100% { opacity: 1; transform: translate(0, 0); }
}

/* ECG heartbeat trace — draws in via stroke-dash, then loops softly (no BS/TW animation utility) */
.whyus-woodcut__ecg-path {
    stroke-dasharray: 500;
    stroke-dashoffset: 500;
    animation: whyus-woodcut-ecg-draw 3.4s ease-in-out infinite;
}

@keyframes whyus-woodcut-ecg-draw {
    0% { stroke-dashoffset: 500; }
    55% { stroke-dashoffset: 0; }
    100% { stroke-dashoffset: -500; }
}

/* Card hover — background shape blurs out while foreground content sharpens/scales up */
.whyus-woodcut__card-decor {
    filter: blur(2px);
    transition: filter 300ms ease;
}

.whyus-woodcut__card-fg {
    transition: transform 250ms ease;
}

.whyus-woodcut__card:hover .whyus-woodcut__card-decor {
    filter: blur(0);
}

.whyus-woodcut__card:hover .whyus-woodcut__card-fg {
    transform: scale(1.05);
}

/* Run-in heading — keeps the h2 riding the paragraph's baseline so it reads as one flow */
.whyus-woodcut__runin-heading {
    margin: 0;
    vertical-align: baseline;
}

@media (prefers-reduced-motion: reduce) {
    .whyus-woodcut__hero,
    .whyus-woodcut__ecg-path,
    .whyus-woodcut__card-decor,
    .whyus-woodcut__card-fg {
        animation: none;
        transition: none;
    }
}

.scope-sq-16 { width: 4rem; height: 4rem; flex-shrink: 0; }

.scope-card-hover,
.scope-cta-hover {
    transition: transform 0.3s ease;
}

.scope-card-hover:hover,
.scope-cta-hover:hover {
    transform: scale(1.05);
}