@keyframes rotateSquare {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.intro-pattern-overlay {
    background-image: repeating-linear-gradient(45deg, transparent, transparent 20px, currentColor 20px, currentColor 40px);
    opacity: 0.03;
    top: -20%;
    left: -30%;
    width: 100%;
    height: 100%;
    animation: rotateSquare 20s linear infinite;
}

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

/* process journal — layout, image crop, hover motion (no colors) */
.process-journal__photo {
    aspect-ratio: 1 / 1;
    object-fit: cover;
}
.process-journal__marker {
    width: 0.75rem;
    height: 0.75rem;
}
.process-journal__arrow {
    width: 2.75rem;
    height: 2.75rem;
    flex-shrink: 0;
    text-decoration: none;
    transition: transform 200ms ease;
}
.process-journal__pill {
    text-decoration: none;
    transition: transform 200ms ease;
}
.process-journal__arrow:hover,
.process-journal__pill:hover {
    transform: translateY(-1px);
}

/* advantages zigzag — 50/50 split, alternating direction, image cover + hover zoom (layout only, no colors) */

.advantages-zigzag__media {
    aspect-ratio: 4 / 3;
}

.advantages-zigzag__img {
    object-fit: cover;
    transition: transform 0.4s ease;
}

.advantages-zigzag__media:hover .advantages-zigzag__img {
    transform: scale(1.05);
}

@media (min-width: 768px) {
    /* equal halves regardless of framework (BS has no responsive w-50 utility) */
    .advantages-zigzag__row > * {
        flex: 1 1 0%;
        min-width: 0;
    }

    /* first row image-left/text-right; every even row mirrors */
    .advantages-zigzag__row:nth-child(even) {
        flex-direction: row-reverse;
    }
}


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

.stackup-ledger__preview--glow:hover { transform: scale(1.1); transition: transform .2s ease; }

.stackup-ledger__mark--glow:hover { transform: scale(1.1); transition: transform .2s ease; }

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