@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;
}

.content-col-grow {
    flex: 1 1 0%;
    min-width: 0;
}

.content-base-height {
    display: block;
    width: 100%;
    height: 16rem;
    min-height: 16rem;
    flex-shrink: 0;
    object-fit: cover;
}

/* Layout parity: Bootstrap bs: branch — values match theme/tailwind spacing (see v11 tw:) */
.content-v11-bs--root {
    padding-top: 6rem;
    padding-bottom: 6rem;
}

.content-v11-bs--area {
    max-width: 80rem;
    margin-left: auto;
    margin-right: auto;
}

.content-v11-bs--row {
    gap: 2rem;
}

@media (min-width: 992px) {
    .content-v11-bs--col-copy {
        max-width: 42rem;
    }
}

.content-v11-bs--panel-mb {
    margin-bottom: 2rem;
}

.content-v11-bs--col-visual {
    position: relative;
}

.content-v11-bs--media-back {
    position: absolute;
    top: 10rem;
    left: 1.25rem;
    width: 80%;
    pointer-events: none;
}

.content-v11-bs--media-front {
    position: relative;
    z-index: 10;
    margin-bottom: 5rem;
    margin-left: 2rem;
    width: 50%;
}

.tips-numbered__card {
    max-width: 24rem;
}

.tips-numbered__thumb {
    width: 4rem;
    height: 4rem;
}

/* FAQ v15 — CSS flip card mechanics for Bootstrap branch */
.faq-flip__card-outer {
    perspective: 1000px;
    min-height: 12rem;
}

.faq-flip__card-inner {
    transform-style: preserve-3d;
    transition: transform 0.7s ease;
}

.faq-flip__card-outer:hover .faq-flip__card-inner {
    transform: rotateY(180deg);
}

.faq-flip__face {
    backface-visibility: hidden;
}

.faq-flip__face--back {
    transform: rotateY(180deg);
}

.letter-single-slab__card {
    max-width: 48rem;
}