/* 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;
    }
}

/* v26 - shared grid layout (works identically under Tailwind and Bootstrap; avoids
   mixing Bootstrap row/col gutters with a CSS gap on the same node) */
.schema-sheet__layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 576px) {
    .schema-sheet__layout {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .schema-sheet__layout {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* v26 - blueprint grid-line background + corner ticks (currentColor keeps it theme-safe) */
.steps-blueprint__grid {
    background-image:
        linear-gradient(currentColor 1px, transparent 1px),
        linear-gradient(90deg, currentColor 1px, transparent 1px);
    background-size: 32px 32px;
    opacity: 1;
}

[data-blueprint-panel]::before,
[data-blueprint-panel]::after {
    content: "";
    position: absolute;
    width: 0.75rem;
    height: 0.75rem;
}

[data-blueprint-panel]::before {
    top: -1px;
    left: -1px;
    border-top: 2px solid;
    border-left: 2px solid;
}

[data-blueprint-panel]::after {
    bottom: -1px;
    right: -1px;
    border-bottom: 2px solid;
    border-right: 2px solid;
}

/* process works — marquee ticker, title scale, list rows, background logo (no colors) */
.process-works__marquee-track {
    display: flex;
    width: max-content;
    align-items: center;
    gap: 3rem;
    animation: process-works-marquee 32s linear infinite;
}
.process-works__marquee-item {
    flex-shrink: 0;
    white-space: nowrap;
    font-size: 1.125rem;
    letter-spacing: -0.01em;
}
.process-works__title {
    word-break: break-word;
}
.process-works__row {
    transition: transform 200ms ease;
}
.process-works__row:hover {
    transform: translateX(0.25rem);
}
.process-works__logo {
    min-height: 16rem;
    pointer-events: none;
}
.process-works__logo-mark {
    width: 14rem;
    height: 14rem;
    flex-shrink: 0;
    animation: process-works-drift 8s ease-in-out infinite;
}
.process-works__logo-mark svg {
    display: block;
    width: 100%;
    height: 100%;
}
.process-works__logo-mark svg,
.process-works__logo-mark svg :is(path, circle, rect, polygon) {
    fill: currentColor !important;
}
@keyframes process-works-marquee {
    0% {
        transform: translate3d(0, 0, 0);
    }
    100% {
        transform: translate3d(-50%, 0, 0);
    }
}
@keyframes process-works-drift {
    0%,
    100% {
        transform: translate3d(0, 0, 0);
    }
    50% {
        transform: translate3d(0.5rem, -0.75rem, 0);
    }
}
@media (min-width: 768px) {
    .process-works__logo {
        min-height: 20rem;
    }
    .process-works__logo-mark {
        width: 18rem;
        height: 18rem;
    }
}
@media (prefers-reduced-motion: reduce) {
    .process-works__marquee-track,
    .process-works__logo-mark {
        animation: none;
    }
    .process-works__row:hover {
        transform: none;
    }
}

.tips-cards__card {
    max-width: 24rem;
}

.content-ledger__label {
    letter-spacing: 0.05em;
}


.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; }