@keyframes driftLeftRight {
    0% { transform: translateX(-15%); }
    50% { transform: translateX(15%); }
    100% { transform: translateX(-15%); }
}

@keyframes driftRightLeft {
    0% { transform: translateX(15%); }
    50% { transform: translateX(-15%); }
    100% { transform: translateX(15%); }
}

.intro-drift-strip-a {
    width: 33%;
    height: 6rem;
    animation: driftLeftRight 14s ease-in-out infinite;
}

.intro-drift-strip-b {
    width: 50%;
    height: 4rem;
    animation: driftRightLeft 18s ease-in-out infinite;
}

.intro-drift-strip-c {
    width: 25%;
    height: 5rem;
    animation: driftLeftRight 12s ease-in-out infinite;
    animation-delay: 3s;
}

.intro-drift-container {
    max-width: 80rem;
}

.intro-drift-textbox {
    max-width: 48rem;
}

/* gallery v15 — hero image object-fit (no Bootstrap analog) */
.gallery-hero-chips__img {
    object-fit: cover;
}

/* Card hover: scale */
.portfolio-item-hover {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.portfolio-item-hover:hover {
    transform: scale(1.05);
}