/* 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; }
}


.passage-chapter__visual--glow:hover { transform: scale(1.05); transition: transform .2s ease; }

.passage-chapter__prompt--glow:hover { transform: scale(1.05); transition: transform .2s ease; }

.content-heading-gap {
    margin-bottom: 2rem;
}

.content-img-compact {
    display: block;
    width: 100%;
    height: 12rem;
    min-height: 12rem;
    flex-shrink: 0;
    object-fit: cover;
}
@media (min-width: 768px) {
    .content-img-compact {
        height: 14rem;
        min-height: 14rem;
    }
}

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

.tips-compact__thumb--xs {
    width: 1.5rem;
    height: 1.5rem;
}

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

/* glossary steps — oversized counter ring (layout only) */
.glossary-steps__num {
    width: 3.75rem;
    height: 3.75rem;
    min-width: 3.75rem;
}

/* FAQ v15 — CSS flip card mechanics for Bootstrap branch */
.faq-flip__card-outer {
    perspective: 1000px;
    min-height: 12rem;
}

.faq-flip__card-inner {
    transform-style: preserve-3d;
    transition: transform 0.7s ease;
}

.faq-flip__card-outer:hover .faq-flip__card-inner {
    transform: rotateY(180deg);
}

.faq-flip__face {
    backface-visibility: hidden;
}

.faq-flip__face--back {
    transform: rotateY(180deg);
}