/* 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);
}
.perks-orbit-rows__chip,
.perks-orbit-rows__feature {
    transition: transform 0.2s ease;
}

.perks-orbit-rows__feature {
    width: 17.5rem;
    flex: 0 0 auto;
}

@media (min-width: 768px) {
    .perks-orbit-rows__feature {
        width: 20rem;
    }
}

.perks-orbit-rows__feature-thumb {
    width: 3rem;
    height: 3rem;
}

@media (min-width: 640px) {
    .perks-orbit-rows__chip:hover {
        transform: scale(1.05);
    }

    .perks-orbit-rows__feature:hover {
        transform: scale(1.02);
    }
}

.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;
}

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

.writeup-document__img-tilt {
    transform: rotate(6deg);
}