.hero-v25-list {
    --bs-gutter-y: 0.5rem;
}

.hero-v25-icon {
    width: 2.25rem;
    height: 2.25rem;
}

.hero-v25-blur {
    transform: scale(0.9);
    filter: blur(64px);
}

.hero-v25-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.hero-v25-span {
    grid-row: span 2 / span 2;
}

/* -- Button hover states -- */
.hero-btn-primary {
    transition: filter 0.2s ease, transform 0.15s ease;
}
.hero-btn-primary:hover,
.hero-btn-primary:focus {
    filter: brightness(1.12);
    transform: translateY(-1px);
}

.hero-btn-outline-secondary {
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
}
.hero-btn-outline-secondary:hover,
.hero-btn-outline-secondary:focus {
    background-color: var(--bs-secondary) !important;
    color: #fff !important;
    border-color: var(--bs-secondary) !important;
    transform: translateY(-1px);
}

.hero-btn-outline-primary-light {
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
}
.hero-btn-outline-primary-light:hover,
.hero-btn-outline-primary-light:focus {
    background-color: var(--bs-primary) !important;
    color: #fff !important;
    border-color: var(--bs-primary) !important;
    transform: translateY(-1px);
}
/* 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;
    }
}

/* process editor — brand mark sizing */
.process-editor__brand {
    letter-spacing: 0.04em;
}

/* process editor — hero bar between mega words */
.process-editor__hero-bar {
    flex: 1 1 6rem;
    height: 0.65rem;
    min-width: 3rem;
    max-width: 100%;
    align-self: flex-end;
    margin-bottom: 0.35em;
}

/* process editor — oversized condensed display type */
.process-editor__mega {
    letter-spacing: -0.06em;
    line-height: 0.82;
}

.process-editor__mega--lead {
    font-size: clamp(3.5rem, 16vw, 11rem);
}


.process-editor__mega--stack {
    font-size: clamp(3rem, 13vw, 9rem);
    margin-top: -0.08em;
}

/* process editor — italic accent word in kicker */
.process-editor__kicker {
    font-size: clamp(1.75rem, 4.5vw, 3.75rem);
}

.process-editor__kicker-accent {
    display: inline-block;
    font-size: clamp(2.25rem, 6vw, 5rem);
    line-height: 0.95;
    vertical-align: baseline;
    margin-inline: 0.15em;
}

/* process editor — vertical step nav */
.process-editor__nav-btn {
    appearance: none;
    -webkit-appearance: none;
    font: inherit;
    cursor: pointer;
    outline-offset: -2px;
    transition: opacity 200ms ease, transform 200ms ease;
}

.process-editor__nav-btn.is-active {
    transform: translateX(0.25rem);
}

.process-editor__nav-btn.is-active .process-editor__nav-label {
    color: var(--tw-primary-900, var(--bs-primary));
    font-weight: 700;
}

.process-editor__nav-btn:not(.is-active) .process-editor__nav-label {
    opacity: 0.72;
}

.process-editor__panel {
    animation: process-editor-panel-in 280ms ease;
}

@keyframes process-editor-panel-in {
    from {
        opacity: 0;
        transform: translateY(0.5rem);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 1023px) {
    .process-editor__hero-row {
        flex-direction: column;
        align-items: flex-start;
    }

    .process-editor__hero-bar {
        width: 70%;
        flex: none;
        margin-bottom: 0;
    }

    .process-editor__kicker {
        text-align: left;
    }
}

@media (prefers-reduced-motion: reduce) {
    .process-editor__nav-btn,
    .process-editor__panel {
        animation: none;
        transition: none;
    }

    .process-editor__nav-btn.is-active {
        transform: none;
    }
}

.tips-interactive__badge {
    z-index: 20;
}

.tips-interactive__inner {
    z-index: 10;
}

.tips-interactive__panel {
    z-index: 50;
}

.tips-interactive__thumb {
    width: 4rem;
    height: 4rem;
}

.tips-interactive__thumb--sm {
    width: 3rem;
    height: 3rem;
}

.tips-interactive__panel--collapsed {
    opacity: 0;
    pointer-events: none;
    transform: translateY(-1rem);
}

.tips-interactive__panel--open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}


.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; }