.intro-icon-benefits__icon-box {
    width: 4rem;
    height: 4rem;
}

.intro-icon-benefits__decor-top {
    width: 5rem;
    height: 5rem;
    top: 2.5rem;
    left: 2.5rem;
}

.intro-icon-benefits__decor-bottom {
    width: 8rem;
    height: 8rem;
    bottom: 2.5rem;
    right: 2.5rem;
}

.intro-icon-benefits__decor-mid {
    width: 4rem;
    height: 4rem;
    top: 50%;
    left: 25%;
}

/* process glassmorphism — fog blobs, backdrop blur, rune decor, num sizing */
.process-glass__fog {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.process-glass__fog::before {
    content: '';
    position: absolute;
    width: 28rem;
    height: 28rem;
    border-radius: 50%;
    filter: blur(5rem);
    opacity: 0.1;
    top: -10rem;
    left: -5rem;
    background: var(--bs-primary);
}

.process-glass__fog::after {
    content: '';
    position: absolute;
    width: 22rem;
    height: 22rem;
    border-radius: 50%;
    filter: blur(5rem);
    opacity: 0.07;
    bottom: -8rem;
    right: -5rem;
    background: var(--bs-primary);
}

.process-glass__card {
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}

.process-glass__card-hov:hover,
.process-glass__card-hov:focus-within {
    transform: translateY(-0.35rem);
    box-shadow: var(--bs-box-shadow-lg);
}

.process-glass__detail {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 280ms ease, opacity 220ms ease, margin-top 220ms ease;
}

.process-glass__card-hov:hover .process-glass__detail,
.process-glass__card-hov:focus-within .process-glass__detail {
    max-height: 12rem;
    opacity: 1;
    margin-top: 0.25rem;
}

.process-glass__rune {
    position: absolute;
    font-size: 6rem;
    font-weight: 900;
    line-height: 1;
    opacity: 0.04;
    bottom: -0.5rem;
    right: 1rem;
    pointer-events: none;
    user-select: none;
}

.process-glass__num {
    width: 2.5rem;
    height: 2.5rem;
    flex-shrink: 0;
}

@media (prefers-reduced-motion: reduce) {
    .process-glass__card,
    .process-glass__detail {
        transition: none;
    }

    .process-glass__card-hov:hover,
    .process-glass__card-hov:focus-within {
        transform: none;
    }

    .process-glass__detail {
        max-height: none;
        opacity: 1;
        overflow: visible;
    }
}

.feature-card-surface {
    position: relative;
    isolation: isolate;
    background: transparent !important;
    border-color: transparent !important;
    box-shadow: none !important;
}

.feature-card-surface > * {
    position: relative;
    z-index: 1;
}

.feature-card-surface::before {
    content: "";
    position: absolute;
    inset: calc(var(--bs-gutter-y, 1rem) * 0.5) calc(var(--bs-gutter-x, 1.5rem) * 0.5);
    border-radius: inherit;
    background: var(--bs-body-bg);
    border: 1px solid var(--bs-border-color-translucent);
    box-shadow: var(--bs-box-shadow-sm);
    z-index: 0;
    transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
}

.feature-card-surface:hover:before {
    box-shadow: var(--bs-box-shadow-lg);
    border-color: rgba(var(--bs-primary-rgb), 0.3);
}

/* -- Feature card hover -- */
.feat-card-hover {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.feat-card-hover:hover {
    transform: translateY(-3px);
    box-shadow: 0 0.5rem 1.5rem rgba(0,0,0,.12) !important;
}

/* -- Icon box sizing -- */
.feat-icon-box {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    min-width: 2.5rem;
    min-height: 2.5rem;
}
.feat-icon-box--lg {
    width: 4rem;
    height: 4rem;
    border-radius: 0.75rem;
}
.feat-icon-box--xl {
    width: 5rem;
    height: 5rem;
    border-radius: 1rem;
}
.feat-icon-box--circle {
    border-radius: 50%;
}

/* -- Nav/filmstrip button hover -- */
.feat-btn-nav {
    transition: transform 0.15s ease, background-color 0.15s ease;
}
.feat-btn-nav:hover {
    transform: scale(1.1);
}

/* -- Table row hover -- */
.feat-table-row-hover {
    transition: background-color 0.15s ease;
}
.feat-table-row-hover:hover {
    background-color: var(--bs-primary-bg-subtle) !important;
}

/* -- Accordion item hover -- */
.feat-accordion-hover summary:hover {
    background-color: var(--bs-primary-bg-subtle);
    border-radius: 0.75rem;
}

/* -- DL item hover -- */
.feat-dl-item-hover {
    transition: background-color 0.15s ease;
    border-radius: 0.5rem;
    padding-left: 0.5rem;
    padding-right: 0.5rem;
}
.feat-dl-item-hover:hover {
    background-color: var(--bs-primary-bg-subtle);
}

/* -- Deck button hover -- */
.feat-deck-btn {
    transition: filter 0.2s ease, transform 0.15s ease;
}
.feat-deck-btn:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
}
/* whyus v19 — fluid clamp() heading (Tailwind has no bare clamp() utility) */
.whyus-glitch-stack__heading {
    font-size: clamp(1.75rem, 1.3rem + 1.8vw, 3rem);
    line-height: 1.1;
}

/* sticky reading-progress bar — JS sets --wpg-progress (0..1), CSS turns it into a scaleX */
.whyus-glitch-stack__progress {
    overflow: hidden;
}

.whyus-glitch-stack__progress-fill {
    transform: scaleX(var(--wpg-progress, 0));
    transform-origin: left center;
    will-change: transform;
}

/* responsive art-direction crop for the section hero image (BS has no object-fit util) */
.whyus-glitch-stack__media-img {
    object-fit: cover;
    object-position: center;
}

@media (min-width: 768px) {
    .whyus-glitch-stack__media-img {
        object-position: center 35%;
    }
}

/* scale-up-on-load reveal, staggered per card by JS (IntersectionObserver adds is-visible) */
.whyus-glitch-stack__reveal {
    opacity: 0;
    transform: scale(0.92);
    transition: opacity 550ms ease, transform 550ms ease;
}

.whyus-glitch-stack__reveal.is-visible {
    opacity: 1;
    transform: scale(1);
}

/* cursor-follow spotlight — currentColor keeps this file color-free, opacity/lightness only */
.whyus-glitch-stack__card {
    isolation: isolate;
}

.whyus-glitch-stack__card::after {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at var(--mx, 50%) var(--my, 50%), currentColor, transparent 60%);
    opacity: 0;
    transition: opacity 200ms ease;
    pointer-events: none;
}

.whyus-glitch-stack__card:hover::after {
    opacity: 0.05;
}

/* cross-hatch corner marks — repeating-linear-gradient on currentColor, no hardcoded color */
.whyus-glitch-stack__hatch {
    pointer-events: none;
}

.whyus-glitch-stack__hatch::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: repeating-linear-gradient(45deg, currentColor 0 1px, transparent 1px 4px);
    opacity: 0.6;
}

.whyus-glitch-stack__hatch--tl {
    clip-path: polygon(0 0, 100% 0, 0 100%);
}

.whyus-glitch-stack__hatch--br {
    clip-path: polygon(100% 100%, 100% 0, 0 100%);
}

/* native details marker rotates open/closed instead of the UA default triangle */
.whyus-glitch-stack__summary {
    list-style: none;
    cursor: pointer;
}

.whyus-glitch-stack__summary::-webkit-details-marker {
    display: none;
}

.whyus-glitch-stack__chevron {
    transition: transform 200ms ease;
}

details[open] > .whyus-glitch-stack__summary .whyus-glitch-stack__chevron {
    transform: rotate(45deg);
}