/* intro v20 — Calvin Klein magazine: shimmer sheen, mist, scale-up reveal, strike-through draw */

.intro-mag__img { object-fit: cover; }
.intro-mag__figure { aspect-ratio: 21 / 9; }

/* Gold-foil sheen → shimmer sweep (gradient colours come from Tailwind, motion from CSS) */
.intro-mag__sheen {
    background-size: 220% 220%;
    animation: intro-mag-shimmer 3s linear infinite;
    opacity: 0.35;
}
@keyframes intro-mag-shimmer {
    0%   { background-position: 0% 0%; }
    100% { background-position: 100% 100%; }
}

/* Smoke / mist wisp */
.intro-mag__mist {
    width: 24rem;
    height: 24rem;
    filter: blur(48px);
    opacity: 0.4;
}

/* LED step badge fixed size (no BS w-N/h-N utility) */
.intro-mag__led {
    width: 4rem;
    height: 4rem;
}

/* Dashed connector line (no BS border-style utility) */
.intro-mag__connector {
    border-style: dashed;
}

/* Scale-up on scroll into view — hidden only once JS arms it (no-JS content stays visible) */
.intro-mag.is-armed .intro-mag__scale {
    opacity: 0;
    transform: scale(0.92);
    transition: opacity 560ms ease, transform 560ms ease;
}
.intro-mag.is-armed .intro-mag__scale.is-in {
    opacity: 1;
    transform: scale(1);
}

/* Strikethrough line draw on hover */
.intro-mag__strike { height: 0.125rem; width: 0; transition: width 300ms ease; }
.intro-mag__st:hover .intro-mag__strike { width: 100%; }

@media (prefers-reduced-motion: reduce) {
    .intro-mag__sheen { animation: none; }
    .intro-mag__scale { opacity: 1; transform: none; }
}

/* features pillars — circular icon tile size + column dividers (layout only, no colors) */
.features-pillars__tile {
    width: 4rem;
    height: 4rem;
}

.features-pillars__col:not(:first-child) {
    border-top-width: 1px;
    border-top-style: solid;
}

@media (min-width: 768px) {
    /* equal-width columns regardless of text length (basis 0 + min-width:0 lets a text-heavy item shrink) */
    .features-pillars__col {
        flex: 1 1 0%;
        min-width: 0;
    }

    .features-pillars__col:not(:first-child) {
        border-top-width: 0;
        border-left-width: 1px;
        border-left-style: solid;
    }
}

.perks-diagonal-cascade__card {
    transition: transform 0.3s ease;
}

.perks-diagonal-cascade__card--even {
    transform: rotate(-1deg);
}

.perks-diagonal-cascade__card--odd {
    transform: rotate(1deg);
}

.perks-diagonal-cascade__card:hover {
    transform: rotate(0deg) scale(1.05);
}

.perks-diagonal-cascade__thumb {
    width: 5rem;
    height: 5rem;
}

.perks-diagonal-cascade__badge {
    width: 2rem;
    height: 2rem;
    transform: translate(25%, -25%);
}

.perks-diagonal-cascade__accent {
    height: 4px;
    transition: transform 0.3s ease;
}

.perks-diagonal-cascade__card:hover .perks-diagonal-cascade__accent {
    transform: skewX(0deg);
}


.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; }