@keyframes driftLeftRight {
    0% { transform: translateX(-15%); }
    50% { transform: translateX(15%); }
    100% { transform: translateX(-15%); }
}

@keyframes driftRightLeft {
    0% { transform: translateX(15%); }
    50% { transform: translateX(-15%); }
    100% { transform: translateX(15%); }
}

.intro-drift-strip-a {
    width: 33%;
    height: 6rem;
    animation: driftLeftRight 14s ease-in-out infinite;
}

.intro-drift-strip-b {
    width: 50%;
    height: 4rem;
    animation: driftRightLeft 18s ease-in-out infinite;
}

.intro-drift-strip-c {
    width: 25%;
    height: 5rem;
    animation: driftLeftRight 12s ease-in-out infinite;
    animation-delay: 3s;
}

.intro-drift-container {
    max-width: 80rem;
}

.intro-drift-textbox {
    max-width: 48rem;
}

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

/* Image: zoom on card hover */
.portfolio-item-hover .portfolio-img-hover {
    transition: transform 0.5s ease;
}
.portfolio-item-hover:hover .portfolio-img-hover {
    transform: scale(1.05);
}

/* Gradient overlay: fade in on card hover */
.portfolio-overlay-hover {
    opacity: 0;
    transition: opacity 0.3s ease;
}
.portfolio-item-hover:hover .portfolio-overlay-hover {
    opacity: 1;
}

/* Bootstrap flex-md-row: cap thumb width (parity with Tailwind md:w-80) */
.content-v41-thumb-wrap {
    flex-shrink: 0;
}

@media (min-width: 768px) {
    .content-v41-thumb-wrap {
        width: 20rem;
        max-width: 20rem;
    }
}

.spread-chapter__visual--rise:hover { transform: scale(1.05); transition: transform .2s ease; }

.spread-chapter__jump--rise:hover { transform: scale(1.05); transition: transform .2s ease; }

.content-col-grow {
    flex: 1 1 0%;
    min-width: 0;
}

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

.content-img-expands {
    display: block;
    width: 100%;
    height: 18rem;
    min-height: 18rem;
    flex-shrink: 0;
    object-fit: cover;
}
@media (min-width: 768px) {
    .content-img-expands {
        height: 24rem;
        min-height: 24rem;
    }
}

.content-col-grow {
    flex: 1 1 0%;
    min-width: 0;
}

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

.content-heading-gap {
    margin-bottom: 2rem;
}

.content-section-pad {
    padding-top: 6rem;
    padding-bottom: 6rem;
}

.content-img-fullheight {
    display: block;
    width: 100%;
    height: 16rem;
    min-height: 16rem;
    flex-shrink: 0;
    object-fit: cover;
}
@media (min-width: 992px) {
    .content-img-fullheight {
        height: 100%;
        min-height: 16rem;
    }
}

.dashboard-metrics-timeline__grid-lines {
    background-image:
        repeating-linear-gradient(0deg, transparent, transparent 39px, currentColor 39px, currentColor 40px),
        repeating-linear-gradient(90deg, transparent, transparent 79px, currentColor 79px, currentColor 80px);
}

@keyframes dashboard-metrics-timeline__pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.5); }
}

.dashboard-metrics-timeline__pulse {
    width: 0.5rem;
    height: 0.5rem;
    animation: dashboard-metrics-timeline__pulse 2s ease infinite;
}

.dashboard-metrics-timeline__watermark {
    font-size: clamp(60px, 12vw, 140px);
    opacity: 0.03;
}

.dashboard-metrics-timeline__icon {
    width: 2rem;
    height: 2rem;
}

.dashboard-metrics-timeline__metric {
    font-size: 2rem;
}

.dashboard-metrics-timeline__bar {
    height: 4px;
}

.dashboard-metrics-timeline__progress {
    height: 4px;
    width: var(--dashboard-metrics-timeline__width, 0%);
}

.dashboard-metrics-timeline__index-dot {
    width: 6px;
    height: 6px;
}

@keyframes dashboard-metrics-timeline__count {
    from { opacity: 0; }
    to { opacity: 1; }
}

.dashboard-metrics-timeline__line {
    height: 1px;
}

/* Bootstrap branch: explicit grid + gap (row gutters often collapse with overflow / theme resets) */
.dashboard-metrics-timeline__bs-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 2rem;
}

@media (min-width: 768px) {
    .dashboard-metrics-timeline__bs-row {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (min-width: 1024px) {
    .dashboard-metrics-timeline__bs-row {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 2.25rem;
    }
}

.dashboard-metrics-timeline__min-shrink {
  min-width: 0;
}

.triplet-plain-quote__track {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    min-width: 0;
    row-gap: 1.5rem;
}

@media (min-width: 768px) {
    .triplet-plain-quote__track {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        column-gap: 1.5rem;
        row-gap: 1.75rem;
    }
}

.triplet-plain-quote__col {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

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


.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; }