/* 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; }
}

.worldview-zigzag__row:nth-child(even) {
    flex-direction: row-reverse;
}

.worldview-zigzag__half {
    width: 100%;
}

@media (min-width: 768px) {
    .worldview-zigzag__half {
        width: 50%;
    }
}

.worldview-zigzag__medallion {
    width: 10rem;
    height: 10rem;
}

[data-fade-in] {
    opacity: 0;
    transform: translateY(1.5rem);
    transition: opacity 600ms ease, transform 600ms ease;
}

[data-fade-in].is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* v10 - Diagonal Skewed Timeline with Brutalist Borders (no BS analog for skew transform) */
.steps-brutal-skew__row {
    opacity: 0;
    transform: translateX(-1.5rem) skewX(-2deg);
    transition: opacity 500ms ease, transform 500ms ease;
}

.steps-brutal-skew__row.is-visible {
    opacity: 1;
    transform: skewX(-2deg);
}

.steps-brutal-skew__row:nth-child(even) {
    transform: translateX(1.5rem) skewX(2deg);
}

.steps-brutal-skew__row:nth-child(even).is-visible {
    transform: skewX(2deg);
}

.steps-brutal-skew__panel {
    transform: skewX(2deg);
}

.steps-brutal-skew__row:nth-child(even) .steps-brutal-skew__panel {
    transform: skewX(-2deg);
}

.steps-brutal-skew__num {
    transform: skewX(2deg);
}

.steps-brutal-skew__row:nth-child(even) .steps-brutal-skew__num {
    transform: skewX(-2deg);
}

/* fixed-size number badge — no Bootstrap width/height utility beyond w-25/50/75/100 */
.slant-ledger__badge {
    width: 5rem;
    height: 5rem;
}

@media (min-width: 768px) {
    .slant-ledger__badge {
        width: 6rem;
        height: 6rem;
    }
}

/* CTA hover — Bootstrap has no hover: utility variants like Tailwind's hover:bg-*.
   Pre-approved color exception for CTA/pill hover states (theme-token fallback). */
.slant-ledger__cta {
    transition: background-color 200ms ease, color 200ms ease;
}

.slant-ledger__cta:hover {
    background-color: var(--bs-primary, rgb(var(--tw-primary-600, 37 99 235) / 1)) !important;
    color: var(--bs-white, #fff) !important;
}

/* 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;
    }
}