.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);
}

/* process stack — sticky scroll layering, marker, oversized step numbers */
.process-stack__marker {
    width: 0.625rem;
    height: 0.625rem;
}

.process-stack__num {
    font-size: clamp(3.5rem, 11vw, 7.5rem);
    line-height: 0.85;
    letter-spacing: -0.04em;
}

@media (min-width: 768px) {
    .process-stack__slot {
        min-height: min(52vh, 26rem);
    }

    .process-stack__slot:last-child {
        min-height: 0;
    }

    .process-stack__panel {
        position: sticky;
        top: 5rem;
        z-index: calc(var(--stack-index, 0) + 1);
    }
}

.neon-circuit-timeline__circuit-bg {
    background-image:
        repeating-linear-gradient(0deg, transparent, transparent 39px, currentColor 39px, currentColor 40px),
        repeating-linear-gradient(90deg, transparent, transparent 39px, currentColor 39px, currentColor 40px);
}

@keyframes neon-circuit-timeline__glow-pulse {
    0%, 100% { box-shadow: 0 0 4px 2px currentColor, 0 0 12px 4px currentColor; opacity: 1; }
    50% { box-shadow: 0 0 8px 4px currentColor, 0 0 24px 8px currentColor; opacity: 0.7; }
}

.neon-circuit-timeline__node-glow {
    animation: neon-circuit-timeline__glow-pulse 2.5s ease-in-out infinite;
}

@keyframes neon-circuit-timeline__ring-expand {
    0%, 100% { transform: scale(1); opacity: 0.4; }
    50% { transform: scale(1.4); opacity: 0; }
}

.neon-circuit-timeline__ring {
    animation: neon-circuit-timeline__ring-expand 2.5s ease-in-out infinite;
}

.neon-circuit-timeline__decor-left {
    top: 50%;
    left: 25%;
    transform: translateY(-50%);
    width: 16rem;
    height: 16rem;
}

.neon-circuit-timeline__decor-right {
    top: 50%;
    right: 25%;
    transform: translateY(-50%);
    width: 16rem;
    height: 16rem;
}

.neon-circuit-timeline__accent-line {
    height: 5rem;
    width: 1px;
}

.neon-circuit-timeline__node-wrap {
    z-index: 10;
}

.neon-circuit-timeline__node {
    width: 1rem;
    height: 1rem;
}

.neon-circuit-timeline__ring-size {
    width: 2rem;
    height: 2rem;
}

.neon-circuit-timeline__card-width {
    max-width: 11rem;
}

@media (min-width: 768px) {
    .neon-circuit-timeline__item--upper .neon-circuit-timeline__box,
    .neon-circuit-timeline__accent-line--first {
        order: -1;
    }

    .neon-circuit-timeline__item--lower .neon-circuit-timeline__box,
    .neon-circuit-timeline__accent-line--last {
        order: 1;
    }
}