.intro-subtitle-content {
    max-width: 56rem;
}

/* Steps v29 — Split-Screen Steps with Sticky Icon Panel and Scrollable List */

/* Shared split-screen grid: sticky rail (narrow) + scrollable list (wide).
   No Bootstrap equivalent for an arbitrary grid-template-columns split,
   so this single custom class drives the layout in both TW and BS renders. */
.twin-pane__grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 2.5rem;
}

@media (min-width: 992px) {
    .twin-pane__grid {
        grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
    }
}

/* Sticky icon/intro rail — position:sticky is standard CSS, framework-agnostic */
@media (min-width: 992px) {
    .twin-pane__rail {
        position: sticky;
        top: 6rem;
        align-self: flex-start;
    }
}

/* Fixed-size icon badge — no Bootstrap utility matches this exact box size */
.twin-pane__icon-box {
    width: 3rem;
    height: 3rem;
}

/* Remove trailing divider/spacing on the last step item (no BS :last-child utility) */
.twin-pane__item:last-child {
    border-bottom: 0;
    padding-bottom: 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;
    }
}

.centered-spine-timeline__line {
    width: 4px;
    left: 50%;
    transform: translateX(-50%);
}

.centered-spine-timeline__dot {
    width: 1.5rem;
    height: 1.5rem;
}