/* intro v24 — Arctic scandinavian: orbit animation, blur-in reveal, colour-invert hover */

/* Orbit circle animation */
.intro-arc__orbit {
    width: 20rem;
    height: 20rem;
    animation: intro-arc-orbit 20s linear infinite;
}
.intro-arc__dot { width: 1rem; height: 1rem; margin-left: -0.5rem; }
@keyframes intro-arc-orbit {
    to { transform: rotate(360deg); }
}

/* Blur-in — hidden only once JS arms it (no-JS content stays visible) */
.intro-arc.is-armed .intro-arc__blur {
    filter: blur(8px);
    opacity: 0;
    transition: filter 560ms ease, opacity 560ms ease;
}
.intro-arc.is-armed .intro-arc__blur.is-in {
    filter: blur(0);
    opacity: 1;
}

/* Colour invert on hover: descendants inherit the row's hover text colour (keyword only, no colour value) */
.intro-arc__row:hover * {
    color: inherit;
}

@media (prefers-reduced-motion: reduce) {
    .intro-arc__orbit { animation: none; }
    .intro-arc__blur { filter: none; opacity: 1; }
}

.services-sidebar__serif,
[data-serif] {
    font-family: Georgia, "Times New Roman", Times, serif;
}

.header-ui__box-10 {
    width: 2.5rem;
    height: 2.5rem;
    min-width: 2.5rem;
    min-height: 2.5rem;
    flex-shrink: 0;
}

/* v24 - ascending staircase offsets (per-index transform has no TW/BS utility) */
.climb-tier__badge {
    width: 2.75rem;
    height: 2.75rem;
}

@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);
    }
}

/* advantages mosaic — bento layout + feature image cover + decorative shapes (layout only, no colors) */

/* decor sizes/positions live here so they render in Bootstrap too (BS has no w-N/h-N/inset utilities) */
.advantages-mosaic__ring {
    width: 16rem;
    height: 16rem;
    top: -4rem;
    right: -4rem;
}

.advantages-mosaic__shape {
    width: 12rem;
    height: 12rem;
    bottom: -5rem;
    left: -2.5rem;
    transform: rotate(45deg);
}

.advantages-mosaic {
    grid-template-columns: 1fr;
}

.advantages-mosaic__img {
    object-fit: cover;
}

@media (min-width: 768px) {
    .advantages-mosaic {
        grid-template-columns: repeat(3, 1fr);
        grid-auto-rows: minmax(11rem, 1fr);
        grid-auto-flow: row dense;
    }

    /* tall image feature tile fills the left column across two rows */
    .advantages-mosaic__cell--feature {
        grid-column: span 1;
        grid-row: span 2;
    }
}

.polar-frame-quote__portrait {
    width: 7rem;
    height: 7rem;
}


.boost-rally__section {
    padding-top: 6rem;
    padding-bottom: 6rem;
}

.boost-rally__inner {
    max-width: 64rem;
}

@keyframes boost-rally-highlight-throb-loop {
    0%, 100% { opacity: 1; }
    50%       { opacity: .5; }
}
.boost-rally__highlight--throb {
    animation: boost-rally-highlight-throb-loop 2s cubic-bezier(.4,0,.6,1) infinite;
}

.boost-rally__appeal--shift:hover { transform: scale(1.05); transition: transform .2s ease; }

.boost-rally__panel--shift:hover { transform: scale(1.05); transition: transform .2s ease; }

/* Всегда на контейнере двух карточек: явный gap для grid (Tailwind) и дублирует зазор для flex (BS) */
.boost-rally__card-stack-gap {
    gap: 2rem;
}

/* Bootstrap only: класс задаётся в bs:, в Tailwind-режиме не выводится — не конфликтует с grid */
.boost-rally__card-row-bs {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    width: 100%;
    align-items: stretch;
}

@media (min-width: 768px) {
    .boost-rally__card-row-bs {
        flex-direction: row;
    }

    .boost-rally__card-row-bs > .boost-rally__panel--shift {
        flex: 1 1 0;
        min-width: 0;
    }
}

.boost-rally__card-row-bs > .boost-rally__panel--shift {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.boost-rally__card-row-bs > .boost-rally__panel--shift > a:last-of-type {
    margin-top: auto;
}