/* intro v25 — Sagmeister ticket: corner patch, spiral binding, ticket perforation, square thumb */

/* Corner accent patch → triangle */
.intro-tkt__patch {
    width: 10rem;
    height: 10rem;
    clip-path: polygon(0 0, 100% 0, 0 100%);
    opacity: 0.9;
}
.intro-tkt__spiral { height: 1rem; }
.intro-tkt__body { min-width: 0; }
.intro-tkt__close { width: 2rem; height: 2rem; }

/* Torn notebook spiral binding holes (colour from Tailwind text-*, holes via mask) */
.intro-tkt__spiral {
    -webkit-mask: radial-gradient(circle 5px at center, black 98%, transparent 100%) 0 0 / 30px 100%;
    mask: radial-gradient(circle 5px at center, black 98%, transparent 100%) 0 0 / 30px 100%;
    background: currentColor;
    opacity: 0.5;
}

/* Square cropped thumbnail */
.intro-tkt__thumb {
    width: 6rem;
    height: 6rem;
    object-fit: cover;
}

/* Ticket stub perforation (currentColor from the card text) */
.intro-tkt__ticket { transition: box-shadow 240ms ease; }
.intro-tkt__ticket::after {
    content: "";
    position: absolute;
    top: 0.75rem;
    bottom: 0.75rem;
    left: 7.5rem;
    border-left: 2px dashed currentColor;
    opacity: 0.25;
    pointer-events: none;
}
@media (max-width: 575.98px) {
    .intro-tkt__ticket::after { display: none; }
}

.services-tabs__serif,
[data-serif] {
    font-family: Georgia, "Times New Roman", Times, serif;
}

.services-tabs__btn {
    background-color: transparent;
}
.services-tabs__btn:hover {
    background-color: color-mix(in srgb, var(--bs-secondary-color) 6%, transparent);
}
.services-tabs__btn.is-active {
    border-color: var(--bs-primary) !important;
    background-color: color-mix(in srgb, var(--bs-primary) 8%, transparent) !important;
}

/* process split — shell split, deck grid, marker, step numbers, stagger, panel borders */
.process-split__shell {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
    align-items: start;
}

@media (min-width: 992px) {
    .process-split__shell {
        grid-template-columns: 1fr 1fr;
        gap: 3.5rem;
    }
}

.process-split__deck {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
}

.process-split__marker {
    width: 0.625rem;
    height: 0.625rem;
}

.process-split__num {
    font-size: clamp(2.75rem, 5vw, 4.5rem);
    line-height: 0.9;
    letter-spacing: -0.03em;
}

.process-split__rule {
    width: 100%;
    height: 1px;
}

.process-split__col .process-split__blade:last-child {
    border-bottom-width: 0;
}

@media (min-width: 992px) {
    .process-split__deck--ruled {
        border-left: 1px solid var(--bs-border-color);
        border-top-width: 0;
        padding-top: 3.5rem;
    }

    .process-split__col--shift {
        margin-top: -3.5rem;
    }
}

@media (max-width: 991px) {
    .process-split__col--shift {
        margin-top: 0;
    }
}

.process-split__blade {
    transition: transform 200ms ease;
}

.process-split__blade:hover {
    transform: translateY(-2px);
}

/* 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);
    font-weight: 900;
    line-height: 1.1;
}

/* Geometry shared by both CSS frameworks (Bootstrap has no utilities for it) */
.mxw-3xl {
    max-width: 48rem !important;
}

.whyus-glitch-stack__head,
.whyus-glitch-stack__media {
    margin: 0 0 2.5rem;
}

.whyus-glitch-stack__media-img {
    height: 16rem;
}

.whyus-glitch-stack__card--offset {
    margin-top: 2.5rem;
}

.whyus-glitch-stack__card-title {
    font-size: 1.125rem;
}

/* sticky reading-progress bar — JS sets --wpg-progress (0..1), CSS turns it into a scaleX */
.whyus-glitch-stack__progress {
    height: 0.25rem;
    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 {
        height: 20rem;
        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 {
    width: 1.5rem;
    height: 1.5rem;
    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 {
    top: 0;
    inset-inline-start: 0;
    clip-path: polygon(0 0, 100% 0, 0 100%);
}

.whyus-glitch-stack__hatch--br {
    bottom: 0;
    inset-inline-end: 0;
    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);
}