/* intro v25 — Sagmeister ticket: corner patch, spiral binding, ticket perforation, square thumb */

/* Corner accent patch → triangle */
.intro-tkt__patch {
    width: 10rem;
    height: 10rem;
    clip-path: polygon(0 0, 100% 0, 0 100%);
    opacity: 0.9;
}
.intro-tkt__spiral { height: 1rem; }
.intro-tkt__body { min-width: 0; }
.intro-tkt__close { width: 2rem; height: 2rem; }

/* Torn notebook spiral binding holes (colour from Tailwind text-*, holes via mask) */
.intro-tkt__spiral {
    -webkit-mask: radial-gradient(circle 5px at center, black 98%, transparent 100%) 0 0 / 30px 100%;
    mask: radial-gradient(circle 5px at center, black 98%, transparent 100%) 0 0 / 30px 100%;
    background: currentColor;
    opacity: 0.5;
}

/* Square cropped thumbnail */
.intro-tkt__thumb {
    width: 6rem;
    height: 6rem;
    object-fit: cover;
}

/* Ticket stub perforation (currentColor from the card text) */
.intro-tkt__ticket { transition: box-shadow 240ms ease; }
.intro-tkt__ticket::after {
    content: "";
    position: absolute;
    top: 0.75rem;
    bottom: 0.75rem;
    left: 7.5rem;
    border-left: 2px dashed currentColor;
    opacity: 0.25;
    pointer-events: none;
}
@media (max-width: 575.98px) {
    .intro-tkt__ticket::after { display: none; }
}

/* v28 - scattered rotation per card (per-index transform has no TW/BS utility) */
[data-scatter-card] {
    transition: transform 200ms ease;
}

/* fixed card width (w-64 has no equivalent Bootstrap utility) */
.scrapbook-pile__card {
    width: 16rem;
}

[data-scatter-card="0"] {
    transform: rotate(-3deg);
}

[data-scatter-card="1"] {
    transform: rotate(2deg) translateY(-0.5rem);
}

[data-scatter-card="2"] {
    transform: rotate(-1.5deg);
}

[data-scatter-card]:hover {
    transform: rotate(0deg) translateY(0);
}

/* process tron — grid bg pattern, card glow line, hover + active state */
.process-tron__grid-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: 0.35;
    background-image:
        linear-gradient(currentColor 1px, transparent 1px),
        linear-gradient(90deg, currentColor 1px, transparent 1px);
    background-size: 3rem 3rem;
}

.process-tron__card {
    cursor: pointer;
    transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}

.process-tron__card-hov:hover,
.process-tron__card-hov:focus-within,
.process-tron__card.is-active {
    transform: translateY(-0.35rem);
    box-shadow: var(--bs-box-shadow-lg);
    border-color: var(--bs-primary);
}

.process-tron__glow-line {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--bs-primary);
    opacity: 0;
    transition: opacity 220ms ease;
}

.process-tron__card-hov:hover .process-tron__glow-line,
.process-tron__card-hov:focus-within .process-tron__glow-line,
.process-tron__card.is-active .process-tron__glow-line {
    opacity: 1;
}

@media (prefers-reduced-motion: reduce) {
    .process-tron__card {
        transition: none;
    }

    .process-tron__card-hov:hover,
    .process-tron__card-hov:focus-within,
    .process-tron__card.is-active {
        transform: none;
    }
}

.classic-rail-timeline__line {
    width: 2px;
    left: 2rem;
}

@media (min-width: 768px) {
    .classic-rail-timeline__line {
        left: 50%;
        transform: translateX(-50%);
    }
}

.classic-rail-timeline__dot {
    width: 1rem;
    height: 1rem;
    left: 2rem;
    top: 50%;
    transform: translateY(-50%);
}

@media (min-width: 768px) {
    .classic-rail-timeline__dot {
        left: 50%;
        transform: translate(-50%, -50%);
    }
}

.classic-rail-timeline__content {
    margin-left: 5rem;
}

@media (min-width: 768px) {
    .classic-rail-timeline__content {
        margin-left: 0;
        width: 50%;
    }

    .classic-rail-timeline__content--start {
        padding-right: 2.5rem;
    }

    .classic-rail-timeline__content--end {
        padding-left: 2.5rem;
    }

    .classic-rail-timeline__row--reverse {
        flex-direction: row-reverse;
    }
}

.values-float-card__item {
    min-width: 280px;
    max-width: 360px;
}

.values-float-card__thumb {
    margin-top: -2.5rem;
    width: 5rem;
    height: 5rem;
}

/* FAQ v18 — accordion mechanics */
.faq-accordion-panel {
    max-height: 0;
}

.faq-accordion-icon.solver-hints-symbol-reveal {
    transform: rotate(180deg);
}