/* intro v23 — BAPE grunge wizard: film strip, giant numbers, clip-path wipe hover, height-expand step */

/* Full-width step photo — cinematic banner, object-fit has no BS utility */
.intro-grit__photo {
    width: 100%;
    aspect-ratio: 21 / 9;
    object-fit: cover;
}

/* Progress track height (no BS h-N utility) */
.intro-grit__track { height: 0.25rem; }

/* Clip-path reveal on hover: primary wipe grows from the corner */
.intro-grit__wipe {
    clip-path: circle(0% at 90% 10%);
    opacity: 0.12;
    transition: clip-path 420ms ease;
}
.intro-grit__card:hover .intro-grit__wipe {
    clip-path: circle(150% at 90% 10%);
}

/* Height-expand accordion-style step entrance */
.intro-grit__step {
    animation: intro-grit-expand 420ms ease;
    transform-origin: top;
}
@keyframes intro-grit-expand {
    from { opacity: 0; transform: scaleY(0.96) translateY(-0.5rem); }
    to   { opacity: 1; transform: scaleY(1) translateY(0); }
}

/* Progress bar transition */
.intro-grit__bar { transition: width 360ms ease; width: 0; }

/* Stepper dots — state via opacity, colour stays a Tailwind class */
.intro-grit__dot {
    width: 0.625rem;
    height: 0.625rem;
    opacity: 0.35;
    transition: opacity 200ms ease, transform 200ms ease;
}
.intro-grit__dot.is-active {
    opacity: 1;
    transform: scale(1.35);
}

@media (prefers-reduced-motion: reduce) {
    .intro-grit__step { animation: none; }
    .intro-grit__wipe { transition: none; }
}

.services__panel--lift {
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.services__panel--lift:hover {
  box-shadow: 0 25px 50px -12px rgb(0 0 0 / 0.25);
}

@media (min-width: 640px) {
  .services__panel--lift:hover {
    transform: scale(1.05);
  }
}

.services__cta--lift {
  transition: filter 0.3s ease, transform 0.3s ease;
}

@media (min-width: 640px) {
  .services__cta--lift:hover {
    transform: scale(1.05);
  }
}

.services__cta--lift:hover {
  filter: brightness(0.92);
}

.perks-flex-center__thumb {
    width: 5rem;
    height: 5rem;
}

.perks-flex-center__tile,
.perks-flex-center__cta {
    transition: transform 0.2s ease;
}

@media (min-width: 640px) {
    .perks-flex-center__tile:hover {
        transform: scale(1.05);
    }

    .perks-flex-center__cta:hover {
        transform: scale(1.05);
    }
}

/* v24 - ascending staircase offsets (per-index transform has no TW/BS utility) */
@media (min-width: 640px) {
    [data-stair-step] {
        transition: transform 200ms ease;
    }

    [data-stair-step="0"] {
        transform: translateX(0);
    }

    [data-stair-step="1"] {
        transform: translateX(1.5rem);
    }

    [data-stair-step="2"] {
        transform: translateX(3rem);
    }

    [data-stair-step="3"] {
        transform: translateX(4.5rem);
    }

    [data-stair-step="4"] {
        transform: translateX(6rem);
    }
}


.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; }