/* 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;
    }
}

/* process feature — image ratios, list markers (no colors) */
.process-feature__hero-img {
    aspect-ratio: 1 / 1;
    object-fit: cover;
}
.process-feature__side-img {
    aspect-ratio: 3 / 4;
    object-fit: cover;
    max-width: 18rem;
}
.process-feature__bullet {
    width: 0.375rem;
    height: 0.375rem;
    flex-shrink: 0;
}
.process-feature__index {
    min-width: 1.5rem;
}


.storyblock-chapter__well-stack-gap {
    gap: 4rem;
}

.content-flow-gap {
    gap: 4rem;
}

.content-grid-gap {
    gap: 2rem;
}

.content-prose-measure {
    max-width: 48rem;
    margin-left: auto;
    margin-right: auto;
    width: 100%;
}

.content-wide-frame {
    max-width: 72rem;
    margin-left: auto;
    margin-right: auto;
    width: 100%;
}

.content-cta__lift { transition: transform 150ms ease; }
.content-cta__lift:hover { transform: translateY(-2px); }

.content-base-height {
    display: block;
    width: 100%;
    height: 16rem;
    min-height: 16rem;
    flex-shrink: 0;
    object-fit: cover;
}

.content-img-natural {
    display: block;
    width: 100%;
    height: auto;
    max-width: 100%;
    object-fit: cover;
}


.weighin-splitview__mosaic--glass { backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px); }

.weighin-splitview__tag--glass { backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px); }

/* v22 - orbit hub board (grid-template-areas has no Tailwind/BS utility) */
[data-orbit-board] {
    display: grid;
    grid-template-columns: 1fr;
    grid-template-areas: "hub" "a" "b" "c" "d";
    gap: 1.5rem;
    align-items: center;
}

.steps-orbit-hub__hub {
    grid-area: hub;
    width: 6rem;
    height: 6rem;
    margin: 0 auto;
}

.radial-hub__badge {
    width: 3rem;
    height: 3rem;
}

[data-orbit-slot="0"] {
    grid-area: a;
}

[data-orbit-slot="1"] {
    grid-area: b;
}

[data-orbit-slot="2"] {
    grid-area: c;
}

[data-orbit-slot="3"] {
    grid-area: d;
}

@media (min-width: 768px) {
    [data-orbit-board] {
        grid-template-columns: 1fr auto 1fr;
        grid-template-areas:
            "a hub b"
            "c hub d";
    }
}


.spark-boost__section {
    padding-top: 6rem;
    padding-bottom: 6rem;
}

.spark-boost__inner {
    min-height: 500px;
    display: flex;
    align-items: center;
}

@media (min-width: 768px) {
    .spark-boost__inner { min-height: 600px; }
}

/* Bootstrap: как у Tailwind p-sm → md:p-lg → lg:p-xl → xl:p-4xl (без фиксированных 6rem на мобиле) */
.spark-boost__vessel-bs {
    box-sizing: border-box;
    padding: 0.5rem;
}

@media (min-width: 768px) {
    .spark-boost__vessel-bs { padding: 1.5rem; }
}

@media (min-width: 992px) {
    .spark-boost__vessel-bs { padding: 2rem; }
}

@media (min-width: 1280px) {
    .spark-boost__vessel-bs { padding: 6rem; }
}

/* Bootstrap: две колонки + стабильный gap (row/g-* часто «съедаются» сбросами) */
.spark-boost__split-grid-bs {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem;
    width: 100%;
    box-sizing: border-box;
}

@media (min-width: 768px) {
    .spark-boost__split-grid-bs { gap: 1.5rem; }
}

.spark-boost__split-grid-bs > * {
    flex: 1 1 100%;
    max-width: 100%;
    min-width: 0;
    box-sizing: border-box;
}

@media (min-width: 992px) {
    .spark-boost__split-grid-bs {
        flex-wrap: nowrap;
    }

    .spark-boost__split-grid-bs > * {
        flex: 1 1 0;
        max-width: 50%;
    }
}

.spark-boost__slab--glass { backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px); }

@keyframes spark-boost-highlight-throb-seq {
    0%, 100% { opacity: 1; }
    50%       { opacity: .5; }
}
.spark-boost__highlight--throb {
    animation: spark-boost-highlight-throb-seq 2s cubic-bezier(.4,0,.6,1) infinite;
}

.spark-boost__prompt--glow:hover { transform: scale(1.05); transition: transform .2s ease; }

.spark-boost__control--glow:hover { transform: scale(1.05); transition: transform .2s ease; }

.spark-boost__surface--glow:hover { transform: scale(1.05); transition: transform .2s ease; }