/* intro v29 — Rolls-Royce thread: circle-expand reveal, half-ring, chat alignment, dual-layer parallax */

.intro-thread { min-height: 88vh; }

/* Clip-path circle expand from centre on load */
.intro-thread__reveal {
    animation: intro-thread-expand 900ms ease forwards;
}
@keyframes intro-thread-expand {
    from { clip-path: circle(0% at 50% 50%); }
    to   { clip-path: circle(150% at 50% 50%); }
}

/* Half-ring at the boundary (fixed size — no BS w-N/h-N utility) */
.intro-thread__half {
    width: 16rem;
    height: 8rem;
    opacity: 0.7;
    filter: blur(2px);
}
.intro-thread__sun { width: 6rem; height: 6rem; }
.intro-thread [data-msg] { max-width: 28rem; }

/* Dual-layer parallax offset (set by JS via custom props) */
.intro-thread__island [data-layer] {
    transition: transform 200ms ease-out;
    transform: translate(var(--px, 0), var(--py, 0));
}

/* Chat thread alternate alignment + retro corner tails */
.intro-thread [data-msg] { border-bottom-left-radius: 0.25rem; }
.intro-thread [data-msg]:nth-child(even) {
    margin-left: auto;
    border-bottom-left-radius: 1rem;
    border-bottom-right-radius: 0.25rem;
}

@media (prefers-reduced-motion: reduce) {
    .intro-thread__reveal { animation: none; }
    .intro-thread__island [data-layer] { transition: none; }
}

/* Card hover: scale */
.portfolio-item-hover {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.portfolio-item-hover:hover {
    transform: scale(1.05);
}

.quad-reviews-quote__track {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    min-width: 0;
    row-gap: 2rem;
}

@media (min-width: 768px) {
    .quad-reviews-quote__track {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        row-gap: 2.25rem;
    }
}

@media (min-width: 1024px) {
    .quad-reviews-quote__track {
        grid-template-columns: repeat(4, minmax(0, 1fr));
        row-gap: 2.5rem;
    }
}

.quad-reviews-quote__col {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

@media (min-width: 768px) {
    .quad-reviews-quote__col {
        padding-left: 0.75rem;
        padding-right: 0.75rem;
    }
}

.quad-reviews-quote__surface {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    min-height: 0;
    flex: 1 1 auto;
}

@media (min-width: 768px) {
    .quad-reviews-quote__surface {
        gap: 1.25rem;
    }
}

/* quote v14 — nebula bento grid (BS fallback: CSS Grid row-span has no Bootstrap analog) */
.quote-nebula__bento {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.quote-nebula__bento-item--feature {
    grid-column: span 2 / span 2;
    grid-row: span 2 / span 2;
}

.quote-nebula__bento-item--wide {
    grid-column: span 2 / span 2;
}

.quote-nebula__bento-item--small {
    grid-column: span 1 / span 1;
}

@media (max-width: 767px) {
    .quote-nebula__bento {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .quote-nebula__bento-item--feature {
        grid-row: span 1 / span 1;
    }
}

/* grunge torn-edge clip via jagged polygon (no BS/clip-path analog) */
.quote-nebula__torn {
    clip-path: polygon(
        0% 2%, 4% 0%, 12% 1.5%, 22% 0%, 33% 1.2%, 45% 0%, 58% 1.5%, 70% 0%, 82% 1%, 92% 0%, 100% 2%,
        100% 96%, 96% 100%, 88% 98%, 76% 100%, 64% 98.5%, 52% 100%, 40% 98%, 28% 100%, 16% 98.5%, 6% 100%, 0% 97%
    );
}

/* blurred background glow behind the featured quote, sharp content stays on top (no BS backdrop-filter analog) */
.quote-nebula__glow {
    filter: blur(48px);
}

/* fixed decorative arrow-icon sizing (no BS w/h utility for arbitrary rem sizes) */
.quote-nebula__arrow {
    display: inline-flex;
    width: 1.25rem;
    height: 1.25rem;
}

/* terminal-style annotation block */
.quote-nebula__terminal {
    white-space: pre-wrap;
    word-break: break-word;
}

/* scroll-triggered slide-in reveal — root background stays a still, non-animated texture on purpose */
.quote-nebula__reveal {
    transition: transform 700ms ease, opacity 700ms ease;
}

.quote-nebula__reveal--left {
    transform: translateX(-2.5rem);
    opacity: 0;
}

.quote-nebula__reveal--right {
    transform: translateX(2.5rem);
    opacity: 0;
}

.quote-nebula__reveal.is-visible {
    transform: translateX(0);
    opacity: 1;
}

@media (prefers-reduced-motion: reduce) {
    .quote-nebula__reveal {
        transition: opacity 200ms ease;
        transform: none;
    }

    .quote-nebula__reveal--left,
    .quote-nebula__reveal--right {
        transform: none;
    }
}
/* hover + focus affordances (layout/outline via theme token) */
@media (hover: hover) {
    .quote-nebula-root [role="listitem"]:hover,
    .quote-nebula-root article:hover,
    .quote-nebula-root [class*="quote-nebula__card"]:hover,
    .quote-nebula-root .quote-nebula__book:hover,
    .quote-nebula-root .quote-nebula__step:hover,
    .quote-nebula-root .quote-nebula__index-card:hover,
    .quote-nebula-root .quote-nebula__pill:hover,
    .quote-nebula-root .quote-nebula__item:hover {
        transform: translateY(-0.125rem);
    }
}

.quote-nebula-root [role="listitem"],
.quote-nebula-root article,
.quote-nebula-root [class*="quote-nebula__card"],
.quote-nebula-root .quote-nebula__book,
.quote-nebula-root .quote-nebula__step,
.quote-nebula-root .quote-nebula__index-card,
.quote-nebula-root .quote-nebula__pill {
    transition: transform 200ms ease;
}

.quote-nebula-root a:focus-visible,
.quote-nebula-root button:focus-visible,
.quote-nebula-root [tabindex="0"]:focus-visible,
.quote-nebula-root input:focus-visible,
.quote-nebula-root summary:focus-visible,
.quote-nebula-root [role="slider"]:focus-visible {
    outline: 2px solid var(--bs-primary);
    outline-offset: 2px;
}

@media (hover: hover) {
    .quote-nebula-root button:hover,
    .quote-nebula-root a:hover,
    .quote-nebula-root summary:hover {
        opacity: 0.92;
    }
}


.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; }