.intro-instructor__media {
    width: 20rem;
    height: 24rem;
}

.intro-instructor__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}


/* v24 - ascending staircase offsets (per-index transform has no TW/BS utility) */
@media (min-width: 640px) {
    [data-stair-step] {
        transition: transform 200ms ease;
    }

    [data-stair-step="0"] {
        transform: translateX(0);
    }

    [data-stair-step="1"] {
        transform: translateX(1.5rem);
    }

    [data-stair-step="2"] {
        transform: translateX(3rem);
    }

    [data-stair-step="3"] {
        transform: translateX(4.5rem);
    }

    [data-stair-step="4"] {
        transform: translateX(6rem);
    }
}

/* 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);
    }
}

/* v21 editorial — vertical sidebar title */
.perks-editorial-aside__sidebar {
    width: 3rem;
    flex-shrink: 0;
}

.perks-editorial-aside__title-wrap {
    position: sticky;
    top: 6rem;
    height: calc(100vh - 8rem);
    max-height: 32rem;
}

.perks-editorial-aside__h2 {
    writing-mode: vertical-rl;
    text-orientation: mixed;
    transform: rotate(180deg);
    white-space: nowrap;
}

.perks-editorial-aside__rule {
    min-height: 2rem;
    flex: 1 1 auto;
    width: 1px;
}

/* numbered item — prevent selection */
.perks-editorial-aside__num {
    user-select: none;
    -webkit-user-select: none;
    min-width: 3.5rem;
}

/* mobile: stack layout, show h2 horizontally */
@media (max-width: 767px) {
    .perks-editorial-aside__sidebar {
        width: 100%;
    }

    .perks-editorial-aside__title-wrap {
        position: static;
        height: auto;
        flex-direction: row !important;
        align-items: center;
        justify-content: flex-start;
    }

    .perks-editorial-aside__h2 {
        writing-mode: horizontal-tb;
        transform: none;
        white-space: normal;
    }

    .perks-editorial-aside__rule {
        display: none;
    }
}

/* 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);
}

/* cta particles card — animated dot field */
.cta-particles-card__root {
  position: relative;
  overflow: hidden;
}

.cta-particles-card__particles {
  position: absolute;
  inset: 0;
  opacity: 0.12;
  background-image: radial-gradient(circle, var(--tw-primary-500, var(--bs-primary)) 1px, transparent 1px);
  background-size: 50px 50px;
  animation: cta-particles-card__drift 20s linear infinite;
}

@keyframes cta-particles-card__drift {
  from { transform: translateY(0); }
  to { transform: translateY(100px); }
}