/* intro v16 — Metropolis reel: film-perforation strips, image cover, load stagger, radius morph */

/* Film-perforation edge strips: colour comes from Tailwind bg-* on the element; mask punches holes */
.intro-reel__perf {
    -webkit-mask: radial-gradient(circle at center, transparent 0 0.28rem, black 0.3rem) center / 1.5rem 2.2rem;
    mask: radial-gradient(circle at center, transparent 0 0.28rem, black 0.3rem) center / 1.5rem 2.2rem;
    z-index: 1;
}

/* Background image fills the band, keeps aspect via object-fit (no BS utility) */
.intro-reel__row {
    min-height: 18rem;
    transition: border-radius 320ms ease;
    opacity: 0;
    animation: intro-reel-rise 520ms ease forwards;
}
.intro-reel__img {
    object-fit: cover;
    object-position: center;
}

/* Border-radius morph on hover */
.intro-reel__row:hover {
    border-radius: 2.25rem 0.5rem 2.25rem 0.5rem;
}

/* Stagger children — 80ms delay each on load */
.intro-reel__row:nth-child(1) { animation-delay: 0ms; }
.intro-reel__row:nth-child(2) { animation-delay: 80ms; }
.intro-reel__row:nth-child(3) { animation-delay: 160ms; }
.intro-reel__row:nth-child(4) { animation-delay: 240ms; }
.intro-reel__row:nth-child(5) { animation-delay: 320ms; }
.intro-reel__row:nth-child(6) { animation-delay: 400ms; }

@keyframes intro-reel-rise {
    from { opacity: 0; transform: translateY(1.5rem); }
    to   { opacity: 1; transform: translateY(0); }
}

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

/* content companion — hairline width for BS decor */
.content-companion__hair {
    width: 3rem;
}

/* numeric index column width on small screens */
.content-companion__index {
    min-width: 0;
}

.content-companion__index-digit {
    font-variant-numeric: tabular-nums;
}

/* Bootstrap: grid + gap (row gutters often collapse) */
.tips-detailed__bs-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 1.5rem;
}

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

.tips-detailed__subtitle-max {
    max-width: 42rem;
}

.tips-detailed__thumb {
    width: 3rem;
    height: 3rem;
}

.tips-detailed__cta-thumb {
    width: 2rem;
    height: 2rem;
}

.tips-detailed__min-shrink {
    min-width: 0;
}

/* FAQ v10 — accordion panel height */
.faq-answer {
    max-height: 0;
    transition: max-height 0.3s ease-in-out;
}

.faq-icon-circle { width: 1.5rem; height: 1.5rem; }

/* glossary gazette — multi-column flow (not CSS grid), brick avoid breaks, footnote icon */
.glossary-gazette__columns {
    column-count: 1;
    column-gap: 1.25rem;
}

@media (min-width: 768px) {
    .glossary-gazette__columns {
        column-count: 2;
        column-gap: 1.5rem;
    }
}

@media (min-width: 1200px) {
    .glossary-gazette__columns {
        column-count: 3;
    }
}

.glossary-gazette__brick {
    break-inside: avoid;
    margin-bottom: 1rem;
}

.glossary-gazette__note-ico {
    width: 3.25rem;
    height: 3.25rem;
}

.glossary-gazette__note-icon {
    font-size: 1.25rem;
    line-height: 1;
}


.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;
}