/* intro v21 — Loewe fold: vertical heading, watercolor blob, sketch figure, load rise */

/* Rotated 90° vertical heading */
.intro-fold__vtitle {
    writing-mode: vertical-rl;
    white-space: nowrap;
    line-height: 1;
}
@media (max-width: 767.98px) {
    .intro-fold__vtitle { writing-mode: horizontal-tb; }
}

/* Wax-seal / watercolor blob */
.intro-fold__blob {
    width: 24rem;
    height: 24rem;
    filter: blur(56px);
    opacity: 0.4;
    border-radius: 42% 58% 63% 37% / 45% 38% 62% 55%;
}

/* Drop-cap lead (framework-agnostic ::first-letter, no TW variant dependency) */
.intro-fold__lead::first-letter {
    font-size: 3rem;
    font-weight: 900;
    float: left;
    line-height: 0.9;
    margin-right: 0.75rem;
}

/* Like button fixed size (no BS w-N/h-N utility) */
.intro-fold__like {
    width: 2.25rem;
    height: 2.25rem;
}

/* Hand-drawn sketch treatment on the figure */
.intro-fold [data-figure] { aspect-ratio: 16 / 9; }
.intro-fold__img {
    object-fit: cover;
    filter: grayscale(0.35) contrast(1.12) saturate(0.9);
}

/* Subtle scale-up on load (0.92 → 1) */
.intro-fold__rise {
    opacity: 0;
    transform: scale(0.92);
    animation: intro-fold-rise 620ms ease forwards;
}
@keyframes intro-fold-rise {
    to { opacity: 1; transform: scale(1); }
}

@media (prefers-reduced-motion: reduce) {
    .intro-fold__rise { opacity: 1; transform: none; animation: none; }
}

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

[data-accordion-toggle] {
    list-style: none;
}
[data-accordion-toggle]::-webkit-details-marker {
    display: none;
}

.services-accordion__chevron {
    transition: transform 200ms ease;
}
[data-accordion-item][open] .services-accordion__chevron {
    transform: rotate(180deg);
}

.header-ui__box-10 {
    width: 2.5rem;
    height: 2.5rem;
    min-width: 2.5rem;
    min-height: 2.5rem;
    flex-shrink: 0;
}

/* v10 - Diagonal Skewed Timeline with Brutalist Borders (no BS analog for skew transform) */
.steps-brutal-skew__row {
    opacity: 0;
    transform: translateX(-1.5rem) skewX(-2deg);
    transition: opacity 500ms ease, transform 500ms ease;
}

.steps-brutal-skew__row.is-visible {
    opacity: 1;
    transform: skewX(-2deg);
}

.steps-brutal-skew__row:nth-child(even) {
    transform: translateX(1.5rem) skewX(2deg);
}

.steps-brutal-skew__row:nth-child(even).is-visible {
    transform: skewX(2deg);
}

.steps-brutal-skew__panel {
    transform: skewX(2deg);
}

.steps-brutal-skew__row:nth-child(even) .steps-brutal-skew__panel {
    transform: skewX(-2deg);
}

.steps-brutal-skew__num {
    transform: skewX(2deg);
}

.steps-brutal-skew__row:nth-child(even) .steps-brutal-skew__num {
    transform: skewX(-2deg);
}

/* fixed-size number badge — no Bootstrap width/height utility beyond w-25/50/75/100 */
.slant-ledger__badge {
    width: 5rem;
    height: 5rem;
}

@media (min-width: 768px) {
    .slant-ledger__badge {
        width: 6rem;
        height: 6rem;
    }
}

/* CTA hover — Bootstrap has no hover: utility variants like Tailwind's hover:bg-*.
   Pre-approved color exception for CTA/pill hover states (theme-token fallback). */
.slant-ledger__cta {
    transition: background-color 200ms ease, color 200ms ease;
}

.slant-ledger__cta:hover {
    background-color: var(--bs-primary, rgb(var(--tw-primary-600, 37 99 235) / 1)) !important;
    color: var(--bs-white, #fff) !important;
}

/* 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);
}

/* contact-glass — background image needs object-fit (no BS util) */
.contact-glass__bg-img {
    object-fit: cover;
}

/* contact-glass — frosted glass effect via backdrop-filter (no TW/BS equiv for BS builds) */
.contact-glass__panel {
    backdrop-filter: blur(24px) saturate(150%);
    -webkit-backdrop-filter: blur(24px) saturate(150%);
}