/* =============================================================================
   ITDC Systems — Stylesheet
   Implements DESIGN-webflow.md component spec on top of tokens.css.
   Order: reset · base · type · layout · header · buttons · badges · cards ·
          hero · stats · sections · forms · footer · utilities · responsive
   ============================================================================= */

/* --- Reset / normalize ----------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}
body {
  font-family: var(--font-sans);
  font-feature-settings: var(--font-features);
  font-size: var(--fs-body-md);
  line-height: 1.6;
  letter-spacing: -0.16px;
  color: var(--color-body);
  background: var(--color-canvas);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
img, svg, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; padding: 0; }
button { font: inherit; color: inherit; cursor: pointer; background: none; border: 0; }
input, textarea, select { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--accent-blue-info); outline-offset: 3px; border-radius: var(--radius-xs); }

/* --- Skip link (a11y) ------------------------------------------------------ */
.skip-link {
  position: absolute; left: var(--space-lg); top: -64px; z-index: 200;
  background: var(--color-primary); color: var(--color-on-primary);
  padding: var(--space-md) var(--space-xl); border-radius: var(--radius-sm);
  font-size: var(--fs-body-sm); font-weight: var(--fw-medium);
  transition: top var(--dur) var(--ease-out);
}
.skip-link:focus { top: var(--space-lg); }

/* --- Typography roles ------------------------------------------------------ */
.eyebrow {
  display: inline-block;
  font-size: var(--fs-eyebrow); font-weight: var(--fw-medium);
  line-height: 1.3; letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--color-mute); margin-bottom: var(--space-lg);
}
.eyebrow--accent { color: var(--accent-blue-deep); }

.display-xxl, .display-xl, .display-lg, .display-md, .display-sm, .display-xs {
  font-weight: var(--fw-semibold); color: var(--color-ink);
  line-height: 1.04; letter-spacing: -0.02em; text-wrap: balance;
}
.display-xxl { font-size: clamp(2.5rem, 1.6rem + 4.4vw, 5rem); letter-spacing: -0.8px; line-height: 1.04; }
.display-xl  { font-size: clamp(2.1rem, 1.5rem + 2.8vw, 3.5rem); }
.display-lg  { font-size: clamp(1.9rem, 1.4rem + 2.3vw, 2.8rem); line-height: 1.06; }
.display-md  { font-size: clamp(1.6rem, 1.3rem + 1.3vw, 2rem); font-weight: var(--fw-medium); line-height: 1.2; }
.display-sm  { font-size: var(--fs-display-sm); font-weight: var(--fw-medium); line-height: 1.3; letter-spacing: -0.01em; }
.display-xs  { font-size: var(--fs-display-xs); font-weight: var(--fw-medium); line-height: 1.4; letter-spacing: -0.01em; }

.lead {
  font-size: clamp(1.125rem, 1rem + 0.7vw, 1.4rem);
  line-height: 1.55; font-weight: var(--fw-regular);
  color: var(--color-body); letter-spacing: -0.01em; text-wrap: pretty;
}
.body-lg { font-size: 1.125rem; line-height: 1.7; color: var(--color-body); }
.muted { color: var(--color-body-mid); }
.ink { color: var(--color-ink); }

/* --- Layout ---------------------------------------------------------------- */
.container {
  width: 100%; max-width: var(--container-max);
  margin-inline: auto; padding-inline: var(--gutter);
}
.container--wide { max-width: var(--container-wide); }
.container--narrow { max-width: 820px; }

.section { padding-block: clamp(var(--space-5xl), 3vw + 2rem, var(--space-7xl)); }
.section--tight { padding-block: clamp(var(--space-4xl), 2vw + 1.5rem, var(--space-6xl)); }
.section--dark { background: var(--color-primary); color: var(--color-on-primary); }
.section--soft { background: var(--color-canvas-soft); }
.section--dark .eyebrow { color: var(--color-mute-soft); }
.section--dark .display-xxl, .section--dark .display-xl, .section--dark .display-lg,
.section--dark .display-md, .section--dark .display-sm, .section--dark .display-xs { color: var(--color-on-primary); }
.section--dark .lead, .section--dark .body-lg, .section--dark .muted { color: rgba(255,255,255,.74); }

.section-head { max-width: 760px; margin-bottom: var(--space-5xl); }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head .lead { margin-top: var(--space-lg); }

.stack > * + * { margin-top: var(--space-lg); }
.grid { display: grid; gap: var(--space-2xl); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* --- Header / nav ---------------------------------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: var(--color-canvas);
  border-bottom: 1px solid var(--color-hairline-soft);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-2xl); min-height: var(--header-h);
  padding-block: var(--space-md);
}
.brand { display: inline-flex; align-items: center; gap: var(--space-sm); flex-shrink: 0; }
.brand__mark {
  width: 30px; height: 30px; border-radius: var(--radius-sm);
  background: var(--color-primary); display: grid; place-items: center; flex-shrink: 0;
}
.brand__mark svg { width: 18px; height: 18px; }
.brand__name {
  font-size: 1.0625rem; font-weight: var(--fw-semibold);
  letter-spacing: -0.02em; color: var(--color-ink);
}
.brand__name span { color: var(--color-mute); font-weight: var(--fw-medium); }

.nav__menu { display: flex; align-items: center; gap: var(--space-2xl); margin-left: auto; }
.nav__links { display: flex; align-items: center; gap: var(--space-xs); }
.nav__link {
  font-size: var(--fs-body-sm); font-weight: var(--fw-medium);
  color: var(--color-ink); padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm); transition: background var(--dur-fast), color var(--dur-fast);
}
.nav__link:hover { background: var(--color-canvas-soft); color: var(--color-primary); }
.nav__link[aria-current="page"] { color: var(--color-primary); font-weight: var(--fw-semibold); }
.nav__actions { display: flex; align-items: center; gap: var(--space-md); flex-shrink: 0; }

.nav__toggle {
  display: none; width: 44px; height: 44px; border-radius: var(--radius-sm);
  align-items: center; justify-content: center; color: var(--color-ink);
}
.nav__toggle:hover { background: var(--color-canvas-soft); }
.nav__toggle svg { width: 24px; height: 24px; }
.nav__toggle .icon-close { display: none; }
.nav__toggle[aria-expanded="true"] .icon-open { display: none; }
.nav__toggle[aria-expanded="true"] .icon-close { display: block; }

/* --- Buttons --------------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-sm);
  font-size: var(--fs-body-md); font-weight: var(--fw-medium); letter-spacing: -0.16px;
  padding: var(--space-md) var(--space-xl); border-radius: var(--radius-sm);
  min-height: 44px; white-space: nowrap; cursor: pointer;
  transition: transform var(--dur-fast) var(--ease-out), background var(--dur-fast),
              border-color var(--dur-fast), box-shadow var(--dur-fast), color var(--dur-fast);
}
.btn svg { width: 18px; height: 18px; flex-shrink: 0; }
.btn:active { transform: translateY(1px); }

.btn--primary { background: var(--color-primary); color: var(--color-on-primary); }
.btn--primary:hover { background: #000; box-shadow: var(--shadow-2); transform: translateY(-1px); }
.section--dark .btn--primary { background: var(--color-on-primary); color: var(--color-primary); }
.section--dark .btn--primary:hover { background: #f0f0f0; }

.btn--secondary { background: var(--color-canvas); color: var(--color-ink); border: 1px solid var(--color-hairline); }
.btn--secondary:hover { border-color: var(--color-ink); background: var(--color-canvas-soft); }
.section--dark .btn--secondary { background: transparent; color: var(--color-on-primary); border-color: rgba(255,255,255,.28); }
.section--dark .btn--secondary:hover { border-color: rgba(255,255,255,.7); background: rgba(255,255,255,.06); }

.btn--arrow {
  padding-inline: 0; background: none; color: var(--color-ink);
  font-weight: var(--fw-medium); min-height: auto; gap: var(--space-xs);
}
.btn--arrow svg { transition: transform var(--dur) var(--ease-out); }
.btn--arrow:hover svg { transform: translateX(4px); }
.btn--arrow:active { transform: none; }
.btn--block { width: 100%; }
.btn-row { display: flex; flex-wrap: wrap; gap: var(--space-md); }

/* --- Badges ---------------------------------------------------------------- */
.badge {
  display: inline-flex; align-items: center; gap: var(--space-xs);
  font-size: var(--fs-caption); font-weight: var(--fw-caption); line-height: 1.2;
  padding: var(--space-xs) var(--space-sm); border-radius: var(--radius-sm);
}
.badge--info { background: var(--accent-blue-info); color: var(--color-on-primary); }
.badge--soft { background: var(--color-canvas); color: var(--accent-blue-info); border: 1px solid var(--color-hairline); }
.badge--ghost { background: rgba(255,255,255,.08); color: rgba(255,255,255,.85); border: 1px solid rgba(255,255,255,.16); }
.badge--dot::before { content: ""; width: 6px; height: 6px; border-radius: var(--radius-full); background: currentColor; }

/* --- Cards ----------------------------------------------------------------- */
.card {
  background: var(--color-canvas); color: var(--color-ink);
  border: 1px solid var(--color-hairline); border-radius: var(--radius-md);
  padding: var(--space-3xl);
  transition: transform var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out),
              border-color var(--dur) var(--ease-out);
}
.card--hover:hover { transform: translateY(-4px); box-shadow: var(--shadow-2); border-color: transparent; }
.card--feature { display: flex; flex-direction: column; gap: var(--space-lg); height: 100%; }
.card--dark { background: var(--color-primary); color: var(--color-on-primary); border-color: transparent; }
.card--dark .card__text { color: rgba(255,255,255,.74); }
.card__icon {
  width: 52px; height: 52px; border-radius: var(--radius-md);
  display: grid; place-items: center; flex-shrink: 0;
  background: var(--color-canvas-soft); color: var(--color-ink);
}
.card__icon svg { width: 26px; height: 26px; }
.card__title { font-size: var(--fs-display-xs); font-weight: var(--fw-semibold); letter-spacing: -0.01em; color: var(--color-ink); }
.card--dark .card__title { color: var(--color-on-primary); }
.card__text { font-size: var(--fs-body-md); line-height: 1.65; color: var(--color-body); }

/* Category cards — full-fill chromatic accents (signature component) */
.cat-card {
  position: relative; overflow: hidden; display: flex; flex-direction: column;
  min-height: 260px; padding: var(--space-3xl);
  border-radius: var(--radius-md); color: var(--color-on-primary);
  transition: transform var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out);
}
.cat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-3); }
.cat-card__icon { width: 48px; height: 48px; margin-bottom: auto; opacity: .96; }
.cat-card__icon svg { width: 48px; height: 48px; }
.cat-card__title { font-size: var(--fs-display-md); font-weight: var(--fw-medium); line-height: 1.15; letter-spacing: -0.01em; margin-top: var(--space-2xl); }
.cat-card__text { margin-top: var(--space-md); font-size: var(--fs-body-md); line-height: 1.55; color: rgba(255,255,255,.92); }
.cat-card__more { margin-top: var(--space-lg); display: inline-flex; align-items: center; gap: var(--space-xs); font-weight: var(--fw-medium); }
.cat-card__more svg { width: 18px; height: 18px; transition: transform var(--dur) var(--ease-out); }
.cat-card:hover .cat-card__more svg { transform: translateX(4px); }

.cat-card--purple { background: var(--accent-purple); }
.cat-card--blue   { background: var(--accent-blue); }
.cat-card--orange { background: var(--accent-orange); color: var(--color-primary); }
.cat-card--pink   { background: var(--accent-pink); }
.cat-card--green  { background: var(--accent-green); color: var(--color-primary); }
/* Light fills (green, orange) use ink text for WCAG-legible contrast — extends the guide's green rule. */
.cat-card--green .cat-card__text,
.cat-card--orange .cat-card__text { color: rgba(8,8,8,.74); }
.cat-card--span2 { grid-column: span 2; }

/* --- Hero ------------------------------------------------------------------ */
.hero { padding-block: clamp(var(--space-5xl), 4vw + 2rem, var(--space-7xl)); overflow: hidden; }
.hero__inner { max-width: 880px; }
.hero__title { margin-block: var(--space-lg) var(--space-2xl); }
.hero__lead { max-width: 640px; }
.hero__actions { margin-top: var(--space-3xl); }
.hero__trust { margin-top: var(--space-3xl); display: flex; align-items: center; gap: var(--space-md); flex-wrap: wrap; color: var(--color-body-mid); font-size: var(--fs-body-sm); }
.hero__trust strong { color: var(--color-ink); font-weight: var(--fw-semibold); }

.page-hero { padding-block: clamp(var(--space-5xl), 3vw + 2rem, var(--space-6xl)); border-bottom: 1px solid var(--color-hairline-soft); }
.page-hero__inner { max-width: 760px; }
.page-hero .lead { margin-top: var(--space-lg); }

/* --- Breadcrumbs ----------------------------------------------------------- */
.breadcrumbs { display: flex; flex-wrap: wrap; gap: var(--space-xs); align-items: center; font-size: var(--fs-body-sm); color: var(--color-mute); margin-bottom: var(--space-xl); }
.breadcrumbs a:hover { color: var(--color-ink); }
.breadcrumbs li { display: inline-flex; align-items: center; gap: var(--space-xs); }
.breadcrumbs li + li::before { content: "/"; color: var(--color-hairline); }
.breadcrumbs [aria-current="page"] { color: var(--color-body); }

/* --- Stats ----------------------------------------------------------------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-2xl); }
.stat { padding: var(--space-lg) 0; }
.stat__num { font-size: clamp(2.2rem, 1.6rem + 2vw, 3rem); font-weight: var(--fw-semibold); letter-spacing: -0.03em; line-height: 1; color: var(--color-on-primary); }
.section:not(.section--dark) .stat__num { color: var(--color-ink); }
.stat__label { margin-top: var(--space-sm); font-size: var(--fs-body-sm); color: rgba(255,255,255,.66); }
.section:not(.section--dark) .stat__label { color: var(--color-body-mid); }

/* --- Logo strip (partners) ------------------------------------------------- */
.logo-strip { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: var(--space-md); }
.logo-chip {
  display: inline-flex; align-items: center; gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl); border: 1px solid var(--color-hairline);
  border-radius: var(--radius-md); background: var(--color-canvas);
  font-weight: var(--fw-medium); color: var(--color-ink-strong); font-size: var(--fs-body-sm);
  transition: border-color var(--dur-fast), box-shadow var(--dur-fast), transform var(--dur-fast);
}
.logo-chip:hover { border-color: var(--color-hairline); box-shadow: var(--shadow-2); transform: translateY(-2px); }
.logo-chip__dot { width: 8px; height: 8px; border-radius: var(--radius-full); }

/* --- Service detail block -------------------------------------------------- */
.svc { display: grid; grid-template-columns: minmax(0, 380px) 1fr; gap: var(--space-5xl); align-items: start; padding-block: var(--space-5xl); border-top: 1px solid var(--color-hairline-soft); }
.svc:first-of-type { border-top: 0; }
.svc__rail { position: sticky; top: calc(var(--header-h) + var(--space-2xl)); }
.svc__tag { display: inline-flex; width: 56px; height: 56px; border-radius: var(--radius-md); align-items: center; justify-content: center; margin-bottom: var(--space-lg); color: #fff; }
.svc__tag svg { width: 28px; height: 28px; }
.svc__features { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-md) var(--space-2xl); }
.feature-item { display: flex; gap: var(--space-md); align-items: flex-start; font-size: var(--fs-body-md); color: var(--color-body); }
.feature-item svg { width: 20px; height: 20px; color: var(--accent-green); flex-shrink: 0; margin-top: 3px; }

/* --- Case study ------------------------------------------------------------ */
.case { display: grid; grid-template-columns: 1fr; gap: var(--space-3xl); padding: var(--space-4xl); border: 1px solid var(--color-hairline); border-radius: var(--radius-md); background: var(--color-canvas); }
.case__bar { height: 4px; width: 56px; border-radius: var(--radius-full); }
.case__metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-2xl); padding-top: var(--space-2xl); border-top: 1px solid var(--color-hairline-soft); }
.metric__num { font-size: clamp(1.6rem, 1.3rem + 1.2vw, 2.1rem); font-weight: var(--fw-semibold); letter-spacing: -0.02em; line-height: 1.05; color: var(--color-ink); }
.metric__label { margin-top: var(--space-xs); font-size: var(--fs-body-sm); color: var(--color-body-mid); }
.case__cols { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-3xl); }
.case__col h3, .case__col h4 { font-size: var(--fs-body-sm); text-transform: uppercase; letter-spacing: 1px; color: var(--color-mute); margin-bottom: var(--space-sm); font-weight: var(--fw-semibold); }

/* --- Value prop / icon grid ------------------------------------------------ */
.vp { display: flex; flex-direction: column; gap: var(--space-md); }
.vp__icon { width: 48px; height: 48px; border-radius: var(--radius-md); display: grid; place-items: center; background: var(--color-canvas-soft); color: var(--color-ink); }
.vp__icon svg { width: 24px; height: 24px; }

/* --- Article / insight card ------------------------------------------------ */
.article-card { display: flex; flex-direction: column; gap: var(--space-md); height: 100%; }
.article-card__meta { display: flex; gap: var(--space-sm); align-items: center; font-size: var(--fs-body-sm); color: var(--color-mute); }
.article-card__cat { font-weight: var(--fw-semibold); }
.article-card__title { font-size: var(--fs-display-xs); font-weight: var(--fw-semibold); letter-spacing: -0.01em; color: var(--color-ink); }

/* --- Forms ----------------------------------------------------------------- */
.field { display: flex; flex-direction: column; gap: var(--space-sm); }
.field label { font-size: var(--fs-body-sm); font-weight: var(--fw-medium); color: var(--color-ink); }
.field label .req { color: var(--accent-red); }
.input, .textarea {
  width: 100%; background: var(--color-canvas); color: var(--color-ink);
  border: 1px solid var(--color-hairline); border-radius: var(--radius-sm);
  padding: var(--space-md) var(--space-lg); font-size: var(--fs-body-md);
  transition: border-color var(--dur-fast), box-shadow var(--dur-fast);
}
.input::placeholder, .textarea::placeholder { color: var(--color-mute-soft); }
.input:focus, .textarea:focus { outline: none; border-color: var(--accent-blue-info); box-shadow: 0 0 0 3px rgba(20,110,245,.14); }
.textarea { min-height: 140px; resize: vertical; }
.form-note { font-size: var(--fs-body-sm); color: var(--color-mute); }
.form-status { display: none; padding: var(--space-md) var(--space-lg); border-radius: var(--radius-sm); font-size: var(--fs-body-sm); }
.form-status.is-visible { display: block; }
.form-status--ok { background: rgba(0,215,34,.1); color: #0a7a18; border: 1px solid rgba(0,215,34,.3); }

/* --- Contact split --------------------------------------------------------- */
.contact-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: var(--space-5xl); align-items: start; }
.contact-item { display: flex; gap: var(--space-lg); padding-block: var(--space-lg); border-top: 1px solid var(--color-hairline-soft); }
.contact-item:first-child { border-top: 0; }
.contact-item__icon { width: 44px; height: 44px; border-radius: var(--radius-md); background: var(--color-canvas-soft); display: grid; place-items: center; flex-shrink: 0; }
.contact-item__icon svg { width: 22px; height: 22px; }
.contact-item__label { font-size: var(--fs-body-sm); color: var(--color-mute); }
.contact-item__value { font-weight: var(--fw-medium); color: var(--color-ink); }

/* --- CTA band -------------------------------------------------------------- */
.cta-band { text-align: center; }
.cta-band .display-lg { margin-bottom: var(--space-lg); }
.cta-band .lead { margin-inline: auto; max-width: 560px; margin-bottom: var(--space-3xl); }
.cta-band .btn-row { justify-content: center; }

/* --- Footer ---------------------------------------------------------------- */
.site-footer { border-top: 1px solid var(--color-hairline); padding-block: var(--space-5xl) var(--space-3xl); background: var(--color-canvas); }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: var(--space-3xl); }
.footer-brand { max-width: 320px; }
.footer-brand .brand { margin-bottom: var(--space-lg); }
.footer-brand p { color: var(--color-body-mid); font-size: var(--fs-body-sm); line-height: 1.7; }
.footer-col h2 { font-size: var(--fs-body-sm); font-weight: var(--fw-semibold); color: var(--color-ink); margin-bottom: var(--space-lg); }
.footer-col ul { display: flex; flex-direction: column; gap: var(--space-md); }
.footer-col a { font-size: var(--fs-body-sm); color: var(--color-body-mid); transition: color var(--dur-fast); }
.footer-col a:hover { color: var(--color-primary); }
.footer-bottom { display: flex; flex-wrap: wrap; gap: var(--space-md); justify-content: space-between; align-items: center; margin-top: var(--space-5xl); padding-top: var(--space-2xl); border-top: 1px solid var(--color-hairline-soft); font-size: var(--fs-body-sm); color: var(--color-mute); }
.footer-bottom__legal { display: flex; gap: var(--space-lg); flex-wrap: wrap; }
.footer-social { display: flex; gap: var(--space-sm); }
.footer-social a { width: 38px; height: 38px; border: 1px solid var(--color-hairline); border-radius: var(--radius-sm); display: grid; place-items: center; color: var(--color-body-mid); transition: border-color var(--dur-fast), color var(--dur-fast); }
.footer-social a:hover { border-color: var(--color-ink); color: var(--color-primary); }
.footer-social svg { width: 18px; height: 18px; }

/* --- Utilities ------------------------------------------------------------- */
.visually-hidden { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.text-center { text-align: center; }
.mt-0 { margin-top: 0; } .mt-sm { margin-top: var(--space-sm); } .mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); } .mt-2xl { margin-top: var(--space-2xl); } .mt-3xl { margin-top: var(--space-3xl); }
.full-height { height: 100%; }
.divider { height: 1px; background: var(--color-hairline-soft); border: 0; margin: 0; }

/* Long-form prose (legal pages, article bodies) */
.prose { max-width: 760px; }
.prose > * + * { margin-top: var(--space-lg); }
.prose h2 { font-size: var(--fs-display-sm); font-weight: var(--fw-semibold); color: var(--color-ink); letter-spacing: -0.01em; margin-top: var(--space-3xl); }
.prose h3 { font-size: var(--fs-display-xs); font-weight: var(--fw-semibold); color: var(--color-ink); letter-spacing: -0.01em; margin-top: var(--space-2xl); }
.prose p, .prose li { color: var(--color-body); line-height: 1.75; }
.prose ul { list-style: disc; padding-left: 1.25rem; display: flex; flex-direction: column; gap: var(--space-sm); }
.prose a { color: var(--accent-blue-deep); text-decoration: underline; text-underline-offset: 2px; }
.prose strong { color: var(--color-ink); font-weight: var(--fw-semibold); }
.prose .lead-meta { color: var(--color-mute); font-size: var(--fs-body-sm); }

/* Scroll-reveal — only hides when JS is active (progressive enhancement;
   no-JS users see all content, fully indexable & accessible). */
.js .reveal { opacity: 0; transform: translateY(20px); transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out); }
.js .reveal.is-in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .06s; }
.reveal[data-delay="2"] { transition-delay: .12s; }
.reveal[data-delay="3"] { transition-delay: .18s; }
.reveal[data-delay="4"] { transition-delay: .24s; }
@media (prefers-reduced-motion: reduce) { .js .reveal { opacity: 1; transform: none; transition: none; } }

/* --- Nav dropdown (Services menu) --------------------------------------- */
.nav__item--has-dropdown { position: relative; }
.nav__dropdown-toggle { display: inline-flex; align-items: center; gap: var(--space-xs); cursor: pointer; }
.nav__caret { width: 16px; height: 16px; transition: transform var(--dur-fast) var(--ease-out); }
.nav__item--has-dropdown:hover .nav__caret,
.nav__dropdown-toggle[aria-expanded="true"] .nav__caret { transform: rotate(180deg); }

.nav__dropdown {
  position: absolute; top: calc(100% + 6px); left: 0;
  min-width: 300px; padding: var(--space-sm);
  background: var(--color-canvas); border: 1px solid var(--color-hairline);
  border-radius: var(--radius-md); box-shadow: var(--shadow-2);
  display: flex; flex-direction: column; gap: 2px;
  opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: opacity var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out), visibility var(--dur-fast);
  z-index: 120;
}
.nav__dropdown::before { content: ""; position: absolute; left: 0; right: 0; top: -8px; height: 8px; } /* hover bridge */
.nav__item--has-dropdown:hover .nav__dropdown,
.nav__dropdown.is-open { opacity: 1; visibility: visible; transform: none; }
.nav__dropdown a {
  display: block; padding: var(--space-sm) var(--space-md); border-radius: var(--radius-sm);
  font-size: var(--fs-body-sm); font-weight: var(--fw-medium); color: var(--color-ink);
  white-space: nowrap; transition: background var(--dur-fast);
}
.nav__dropdown a:hover { background: var(--color-canvas-soft); }
.nav__dropdown a[aria-current="page"] { color: var(--accent-blue-deep); background: var(--color-canvas-soft); }
.nav__dropdown__all { margin-top: var(--space-xs); padding-top: var(--space-md); border-top: 1px solid var(--color-hairline-soft); color: var(--color-body-mid); font-weight: var(--fw-semibold); }

/* --- Process steps ------------------------------------------------------ */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-2xl); }
.step__num { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: var(--radius-full); background: var(--color-primary); color: var(--color-on-primary); font-weight: var(--fw-semibold); margin-bottom: var(--space-lg); }
.step__title { font-size: var(--fs-display-xs); font-weight: var(--fw-semibold); color: var(--color-ink); letter-spacing: -0.01em; margin-bottom: var(--space-xs); }
.step__text { font-size: var(--fs-body-sm); color: var(--color-body); line-height: 1.6; }

/* --- Split (service overview: prose + aside) ---------------------------- */
.split { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: var(--space-5xl); align-items: start; }
.split__aside { background: var(--color-canvas-soft); border: 1px solid var(--color-hairline-soft); border-radius: var(--radius-md); padding: var(--space-3xl); }
.split__aside h3 { font-size: var(--fs-body-sm); text-transform: uppercase; letter-spacing: 1px; color: var(--color-mute); font-weight: var(--fw-semibold); margin-bottom: var(--space-lg); }
.split__stat + .split__stat { margin-top: var(--space-lg); padding-top: var(--space-lg); border-top: 1px solid var(--color-hairline); }
.split__stat .metric__num { font-size: var(--fs-display-sm); }

/* =============================================================================
   Responsive — breakpoints per DESIGN-webflow.md
   Desktop ≥992 · Tablet 768–991 · Mobile-L 479–767 · Mobile <479
   ============================================================================= */

/* Tablet and below */
@media (max-width: 991px) {
  :root { --gutter: var(--space-2xl); }

  .nav__links, .nav__actions .btn { display: none; }
  .nav__toggle { display: inline-flex; }

  /* Mobile drawer */
  .nav__menu {
    position: fixed; inset: var(--header-h) 0 auto 0;
    background: var(--color-canvas); border-bottom: 1px solid var(--color-hairline);
    box-shadow: var(--shadow-2);
    transform: translateY(-12px); opacity: 0; pointer-events: none;
    transition: opacity var(--dur) var(--ease-out), transform var(--dur) var(--ease-out);
    max-height: calc(100dvh - var(--header-h)); overflow-y: auto;
  }
  .nav__menu.is-open { transform: none; opacity: 1; pointer-events: auto; }
  .nav__menu .nav__links { display: flex; flex-direction: column; align-items: stretch; gap: 0; padding: var(--space-lg) var(--gutter); }
  .nav__menu .nav__link { padding: var(--space-md); border-radius: var(--radius-sm); font-size: var(--fs-body-md); }
  .nav__menu .nav__actions { display: flex; padding: 0 var(--gutter) var(--space-2xl); }
  .nav__menu .nav__actions .btn { display: inline-flex; width: 100%; }

  /* Services dropdown -> accordion inside the drawer */
  .nav__menu .nav__item--has-dropdown { width: 100%; }
  .nav__menu .nav__dropdown-toggle { width: 100%; justify-content: space-between; padding: var(--space-md); border-radius: var(--radius-sm); font-size: var(--fs-body-md); }
  .nav__menu .nav__dropdown { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: 0; border-radius: 0; min-width: 0; padding: 0 0 var(--space-sm) var(--space-lg); display: none; }
  .nav__menu .nav__dropdown::before { display: none; }
  .nav__menu .nav__dropdown.is-open { display: flex; }
  .nav__menu .nav__dropdown a { padding: var(--space-sm) var(--space-md); font-size: var(--fs-body-md); }

  .steps { grid-template-columns: repeat(2, 1fr); gap: var(--space-3xl) var(--space-2xl); }
  .split { grid-template-columns: 1fr; gap: var(--space-3xl); }

  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .cat-card--span2 { grid-column: span 2; }
  .stats { grid-template-columns: repeat(2, 1fr); gap: var(--space-3xl) var(--space-2xl); }

  .svc { grid-template-columns: 1fr; gap: var(--space-2xl); }
  .svc__rail { position: static; }
  .contact-grid { grid-template-columns: 1fr; gap: var(--space-3xl); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-3xl) var(--space-2xl); }
  .footer-brand { grid-column: 1 / -1; max-width: 420px; }
  .case__cols { grid-template-columns: 1fr; gap: var(--space-2xl); }
}

/* Mobile-L and below */
@media (max-width: 767px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .cat-card--span2 { grid-column: auto; }
  .cat-card { min-height: 220px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .svc__features { grid-template-columns: 1fr; }
  .case__metrics { grid-template-columns: 1fr; gap: var(--space-lg); }
  .case { padding: var(--space-3xl) var(--space-2xl); }
  .section-head { margin-bottom: var(--space-3xl); }
  .btn-row .btn { width: 100%; }
  .hero__actions.btn-row .btn { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: var(--space-lg); }
}

/* Mobile (very small) */
@media (max-width: 479px) {
  .stats { grid-template-columns: 1fr; }
  .logo-chip { padding: var(--space-sm) var(--space-md); }
}