/* Airato — ait.css — Clinical Authority Design System */

/* ============================================================
   CSS Custom Properties
   ============================================================ */
:root {
  --ait-primary:        #1A4D8F;
  --ait-primary-light:  #2E6AC9;
  --ait-primary-dark:   #0D2F5E;
  --ait-accent:         #00A896;
  --ait-accent-light:   #33C2B4;
  /* WCAG-safe accent for use on white/light bg — ratio ≥ 4.5:1 on white */
  /* #007A6E on solid white = 5.24:1; on tinted teal pill bg needs #006B61 */
  --ait-accent-aa:      #007A6E;
  --ait-accent-aa-pill: #006B61;
  --ait-n900:           #0F1923;
  --ait-n800:           #1E2A38;
  --ait-n600:           #4A5568;
  /* WCAG-safe muted text for light bg — ratio ≥ 4.5:1 on white */
  --ait-n500:           #5A6A7E;
  --ait-n400:           #8B9BB0;
  /* Lifted muted text for dark footer bg — ratio ≥ 9:1 on --ait-n900 */
  --ait-n300-on-dark:   #CBD5E1;
  --ait-n100:           #F0F4F9;
  --ait-n50:            #F7F9FC;
  --ait-white:          #FFFFFF;
  --ait-alert:          #C0392B;
  --ait-success:        #27AE60;
  /* WCAG-safe success for use on white/light bg — ratio ≥ 4.5:1 on white */
  /* #1A7A43 on tinted green pill bg needs #155F35 */
  --ait-success-aa:     #1A7A43;
  --ait-success-aa-pill: #155F35;
  --ait-border:         #D1DCE8;
  --ait-shadow:         0 2px 12px rgba(26,77,143,0.08);
  --ait-shadow-md:      0 4px 24px rgba(26,77,143,0.12);
  --ait-radius:         8px;
  --ait-radius-sm:      4px;
  --ait-section-v:      120px;
  --ait-card-pad:       32px;
  --ait-container:      1200px;
  --ait-nav-h:          72px;
}

/* ============================================================
   Reset & Base
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--ait-n800);
  background: var(--ait-white);
  -webkit-font-smoothing: antialiased;
}

body.ait-cookie-visible { padding-bottom: 80px; }

img { display: block; max-width: 100%; height: auto; }
a { color: var(--ait-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
ul, ol { list-style: none; }
button { cursor: pointer; font-family: inherit; }
input, textarea, select { font-family: inherit; }

/* ============================================================
   Typography
   ============================================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Inter', sans-serif;
  color: var(--ait-n900);
  line-height: 1.2;
}

h1 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 700; }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); font-weight: 700; }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); font-weight: 600; }
h4 { font-size: 1.125rem; font-weight: 600; }
h5 { font-size: 1rem; font-weight: 600; }

p { margin-bottom: 1rem; color: var(--ait-n600); }
p:last-child { margin-bottom: 0; }

.ait-mono {
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
  font-size: 0.875rem;
}

/* ============================================================
   Container
   ============================================================ */
.ait-container {
  max-width: var(--ait-container);
  margin: 0 auto;
  padding: 0 24px;
}

@media (min-width: 768px) { .ait-container { padding: 0 40px; } }
@media (min-width: 1024px) { .ait-container { padding: 0 48px; } }

/* ============================================================
   Navigation
   ============================================================ */
.ait-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--ait-nav-h);
  background: transparent;
  transition: background 0.25s ease, box-shadow 0.25s ease;
}

.ait-nav.ait-nav--scrolled {
  background: var(--ait-white);
  box-shadow: 0 1px 0 var(--ait-border), var(--ait-shadow);
}

.ait-nav__inner {
  max-width: var(--ait-container);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 32px;
}

@media (min-width: 768px) { .ait-nav__inner { padding: 0 40px; } }
@media (min-width: 1024px) { .ait-nav__inner { padding: 0 48px; } }

.ait-nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.ait-nav__logo-mark {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

.ait-nav__logo-text {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--ait-primary);
  letter-spacing: -0.02em;
  line-height: 1;
}

.ait-nav__links {
  display: none;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
}

@media (min-width: 1024px) { .ait-nav__links { display: flex; } }

.ait-nav__link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 8px 12px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ait-n800);
  border-radius: var(--ait-radius-sm);
  transition: color 0.15s, background 0.15s;
  text-decoration: none;
  white-space: nowrap;
}

.ait-nav__link:hover {
  color: var(--ait-primary);
  background: var(--ait-n50);
  text-decoration: none;
}

.ait-nav__cta {
  margin-left: auto;
  flex-shrink: 0;
}

.ait-nav__hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  border: none;
  padding: 8px;
  margin-left: auto;
  cursor: pointer;
  border-radius: var(--ait-radius-sm);
}

@media (min-width: 1024px) { .ait-nav__hamburger { display: none; } }

.ait-nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ait-n800);
  border-radius: 2px;
  transition: transform 0.2s, opacity 0.2s;
}

.ait-nav__hamburger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.ait-nav__hamburger.is-open span:nth-child(2) { opacity: 0; }
.ait-nav__hamburger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.ait-nav__mobile {
  display: none;
  position: fixed;
  top: var(--ait-nav-h);
  left: 0;
  right: 0;
  background: var(--ait-white);
  border-bottom: 1px solid var(--ait-border);
  box-shadow: var(--ait-shadow-md);
  padding: 16px 24px;
  z-index: 999;
}

.ait-nav__mobile.is-open { display: block; }

.ait-nav__mobile-link {
  display: block;
  padding: 12px 0;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ait-n800);
  border-bottom: 1px solid var(--ait-n100);
  text-decoration: none;
}

.ait-nav__mobile-link:last-child { border-bottom: none; }
.ait-nav__mobile-link:hover { color: var(--ait-primary); text-decoration: none; }

.ait-nav__mobile-cta {
  margin-top: 16px;
  display: block;
  text-align: center;
}

/* ============================================================
   Buttons
   ============================================================ */
.ait-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--ait-radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  border: 2px solid transparent;
  text-decoration: none;
  transition: background 0.15s, color 0.15s, border-color 0.15s, box-shadow 0.15s;
  white-space: nowrap;
  cursor: pointer;
}

.ait-btn:hover { text-decoration: none; }

.ait-btn--primary {
  background: var(--ait-primary);
  color: var(--ait-white);
  border-color: var(--ait-primary);
}
.ait-btn--primary:hover {
  background: var(--ait-primary-dark);
  border-color: var(--ait-primary-dark);
  color: var(--ait-white);
}

.ait-btn--secondary {
  background: transparent;
  color: var(--ait-primary);
  border-color: var(--ait-primary);
}
.ait-btn--secondary:hover {
  background: var(--ait-primary);
  color: var(--ait-white);
}

.ait-btn--outline-white {
  background: transparent;
  color: var(--ait-white);
  border-color: rgba(255,255,255,0.6);
}
.ait-btn--outline-white:hover {
  background: rgba(255,255,255,0.12);
  border-color: var(--ait-white);
  color: var(--ait-white);
}

.ait-btn--accent {
  /* WCAG fix: white on --ait-accent #00A896 = 2.98; darken bg to --ait-accent-aa #007A6E ≥ 4.5:1 */
  background: var(--ait-accent-aa);
  color: var(--ait-white);
  border-color: var(--ait-accent-aa);
}
.ait-btn--accent:hover {
  background: #005e56;
  border-color: #005e56;
  color: var(--ait-white);
}

.ait-btn--sm {
  padding: 8px 16px;
  font-size: 0.825rem;
}

.ait-btn--lg {
  padding: 16px 32px;
  font-size: 1rem;
}

/* Nav CTA button */
.ait-nav-cta-btn {
  display: inline-flex;
  align-items: center;
  padding: 9px 20px;
  background: var(--ait-primary);
  color: var(--ait-white);
  border-radius: var(--ait-radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.15s;
}
.ait-nav-cta-btn:hover {
  background: var(--ait-primary-dark);
  text-decoration: none;
  color: var(--ait-white);
}

/* ============================================================
   Hero — Index
   ============================================================ */
.ait-hero {
  background: var(--ait-n50);
  padding: 80px 0 100px;
}

.ait-hero__inner {
  max-width: var(--ait-container);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

@media (min-width: 768px) { .ait-hero__inner { padding: 0 40px; } }
@media (min-width: 1024px) { .ait-hero__inner { padding: 0 48px; } }

.ait-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(26,77,143,0.08);
  color: var(--ait-primary);
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.ait-hero__headline {
  font-size: clamp(2.2rem, 4.5vw, 3.25rem);
  font-weight: 700;
  color: var(--ait-n900);
  line-height: 1.15;
  margin-bottom: 20px;
}

.ait-hero__subhead {
  font-size: 1.125rem;
  color: var(--ait-n600);
  line-height: 1.65;
  margin-bottom: 32px;
  max-width: 520px;
}

.ait-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
}

.ait-hero__trust {
  font-size: 0.8rem;
  /* WCAG fix: --ait-n400 #8B9BB0 on --ait-n50 = 2.69; lift to --ait-n500 #5A6A7E ≥ 4.5:1 */
  color: var(--ait-n500);
  display: flex;
  align-items: center;
  gap: 8px;
}

.ait-hero__trust::before {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ait-accent);
  flex-shrink: 0;
}

.ait-hero__visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.ait-hero__svg {
  width: 100%;
  max-width: 520px;
  height: auto;
}

@media (max-width: 767px) {
  .ait-hero__inner {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }
  .ait-hero__subhead { max-width: none; }
  .ait-hero__actions { justify-content: center; }
  .ait-hero__trust { justify-content: center; }
  .ait-hero__visual { order: -1; }
}

/* ============================================================
   Sub-page Hero
   ============================================================ */
.ait-subhero {
  background: var(--ait-n50);
  padding: 72px 0 80px;
  border-bottom: 1px solid var(--ait-border);
}

.ait-subhero__inner {
  max-width: var(--ait-container);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 48px;
  align-items: center;
}

@media (min-width: 768px) { .ait-subhero__inner { padding: 0 40px; } }
@media (min-width: 1024px) { .ait-subhero__inner { padding: 0 48px; } }

.ait-subhero__content {
  max-width: 680px;
}

.ait-subhero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  /* WCAG fix: --ait-accent on --ait-n50 bg = 2.83; use --ait-accent-aa ≥ 4.5:1 */
  color: var(--ait-accent-aa);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.ait-subhero__title {
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 700;
  color: var(--ait-n900);
  margin-bottom: 16px;
  line-height: 1.2;
}

.ait-subhero__lede {
  font-size: 1.0625rem;
  color: var(--ait-n600);
  line-height: 1.65;
  margin-bottom: 0;
}

.ait-subhero__stat-group {
  display: flex;
  flex-direction: column;
  gap: 16px;
  flex-shrink: 0;
}

.ait-subhero__stat {
  background: var(--ait-white);
  border: 1px solid var(--ait-border);
  border-radius: var(--ait-radius);
  padding: 20px 28px;
  text-align: center;
  min-width: 160px;
  box-shadow: var(--ait-shadow);
}

.ait-subhero__stat-value {
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--ait-primary);
  font-family: 'IBM Plex Mono', monospace;
  line-height: 1;
  margin-bottom: 4px;
}

.ait-subhero__stat-label {
  font-size: 0.75rem;
  color: var(--ait-n400);
  font-weight: 500;
  letter-spacing: 0.03em;
}

@media (max-width: 767px) {
  .ait-subhero__inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .ait-subhero__stat-group {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 12px;
  }
  .ait-subhero__stat { min-width: 120px; padding: 16px 20px; flex: 1; }
}

/* ============================================================
   Trust Bar
   ============================================================ */
.ait-trust-bar {
  background: var(--ait-white);
  border-bottom: 1px solid var(--ait-border);
  padding: 28px 0;
}

.ait-trust-bar__inner {
  max-width: var(--ait-container);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 32px;
}

@media (min-width: 768px) { .ait-trust-bar__inner { padding: 0 40px; gap: 48px; } }

.ait-trust-bar__item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--ait-n600);
  font-weight: 500;
}

.ait-trust-bar__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ait-accent);
  flex-shrink: 0;
}

/* ============================================================
   Sections
   ============================================================ */
.ait-section {
  padding: var(--ait-section-v) 0;
}

.ait-section--white { background: var(--ait-white); }
.ait-section--light { background: var(--ait-n50); }
.ait-section--tinted { background: var(--ait-n100); }
.ait-section--navy { background: var(--ait-primary); }
.ait-section--dark { background: var(--ait-primary-dark); }

.ait-section__header {
  text-align: center;
  margin-bottom: 56px;
}

.ait-section__eyebrow {
  display: inline-block;
  /* WCAG fix: --ait-accent #00A896 on light bg = 2.7–2.98; use --ait-accent-aa #007A6E ≥ 4.5:1 */
  color: var(--ait-accent-aa);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.ait-section__title {
  font-size: clamp(1.5rem, 3vw, 2.125rem);
  font-weight: 700;
  color: var(--ait-n900);
  margin-bottom: 16px;
}

.ait-section--navy .ait-section__title,
.ait-section--dark .ait-section__title { color: var(--ait-white); }

.ait-section__subtitle {
  font-size: 1rem;
  color: var(--ait-n600);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.65;
}

.ait-section--navy .ait-section__subtitle,
.ait-section--dark .ait-section__subtitle { color: rgba(255,255,255,0.78); }

/* ============================================================
   3-Column Features
   ============================================================ */
.ait-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

@media (max-width: 1023px) { .ait-features { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 639px) { .ait-features { grid-template-columns: 1fr; } }

.ait-feature-card {
  background: var(--ait-white);
  border: 1px solid var(--ait-border);
  border-radius: var(--ait-radius);
  padding: var(--ait-card-pad);
  box-shadow: var(--ait-shadow);
  transition: box-shadow 0.2s, transform 0.2s;
}

.ait-feature-card:hover {
  box-shadow: var(--ait-shadow-md);
  transform: translateY(-2px);
}

.ait-feature-card__icon {
  width: 44px;
  height: 44px;
  background: rgba(0,168,150,0.1);
  border-radius: var(--ait-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--ait-accent);
  font-size: 1.25rem;
}

.ait-feature-card__title {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--ait-n900);
  margin-bottom: 10px;
}

.ait-feature-card__desc {
  font-size: 0.9rem;
  color: var(--ait-n600);
  line-height: 1.6;
}

/* ============================================================
   Platform Overview — Alternating
   ============================================================ */
.ait-platform-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  padding: 56px 0;
  border-bottom: 1px solid var(--ait-n100);
}

.ait-platform-row:last-child { border-bottom: none; }

.ait-platform-row--reverse { direction: rtl; }
.ait-platform-row--reverse > * { direction: ltr; }

.ait-platform-row__content { }

.ait-platform-row__tag {
  display: inline-block;
  background: rgba(26,77,143,0.08);
  color: var(--ait-primary);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 16px;
}

.ait-platform-row__title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--ait-n900);
  margin-bottom: 16px;
}

.ait-platform-row__bullets {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
}

.ait-platform-row__bullet {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--ait-n600);
  line-height: 1.5;
}

.ait-platform-row__bullet::before {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ait-accent);
  flex-shrink: 0;
  margin-top: 7px;
}

.ait-platform-row__visual {
  background: var(--ait-n50);
  border: 1px solid var(--ait-border);
  border-radius: var(--ait-radius);
  overflow: hidden;
  min-height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ait-platform-row__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (max-width: 767px) {
  .ait-platform-row {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 40px 0;
  }
  .ait-platform-row--reverse { direction: ltr; }
}

/* ============================================================
   Clinical Evidence Strip — Dark Blue
   ============================================================ */
.ait-evidence-strip {
  background: var(--ait-primary);
  padding: 80px 0;
}

.ait-evidence-strip__inner {
  max-width: var(--ait-container);
  margin: 0 auto;
  padding: 0 24px;
}

@media (min-width: 768px) { .ait-evidence-strip__inner { padding: 0 40px; } }
@media (min-width: 1024px) { .ait-evidence-strip__inner { padding: 0 48px; } }

.ait-evidence-strip__header {
  text-align: center;
  margin-bottom: 48px;
}

.ait-evidence-strip__eyebrow {
  color: var(--ait-accent-light);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.ait-evidence-strip__title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--ait-white);
  margin-bottom: 0;
}

.ait-evidence-strip__metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}

@media (max-width: 767px) { .ait-evidence-strip__metrics { grid-template-columns: 1fr; } }

.ait-evidence-metric {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--ait-radius);
  padding: 28px 32px;
  text-align: center;
}

.ait-evidence-metric__value {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 2rem;
  font-weight: 500;
  color: var(--ait-accent-light);
  line-height: 1;
  margin-bottom: 8px;
}

.ait-evidence-metric__label {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.8);
  line-height: 1.4;
}

.ait-evidence-metric__note {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.5);
  margin-top: 4px;
  font-style: italic;
}

.ait-evidence-strip__cta {
  text-align: center;
}

/* ============================================================
   Integration Wall
   ============================================================ */
.ait-integration-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

@media (max-width: 1023px) { .ait-integration-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 639px) { .ait-integration-grid { grid-template-columns: 1fr; } }

.ait-integration-tile {
  background: var(--ait-white);
  border: 1px solid var(--ait-border);
  border-radius: var(--ait-radius);
  padding: 28px;
  text-align: center;
  box-shadow: var(--ait-shadow);
  transition: box-shadow 0.2s, border-color 0.2s;
}

.ait-integration-tile:hover {
  box-shadow: var(--ait-shadow-md);
  border-color: var(--ait-primary-light);
}

.ait-integration-tile__icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 16px;
  color: var(--ait-primary);
}

.ait-integration-tile__name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--ait-n900);
  margin-bottom: 4px;
}

.ait-integration-tile__desc {
  font-size: 0.8rem;
  color: var(--ait-n400);
}

/* ============================================================
   Testimonial Cards
   ============================================================ */
.ait-testimonials {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

@media (max-width: 1023px) { .ait-testimonials { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 639px) { .ait-testimonials { grid-template-columns: 1fr; } }

.ait-testimonial-card {
  background: var(--ait-white);
  border: 1px solid var(--ait-border);
  border-radius: var(--ait-radius);
  padding: var(--ait-card-pad);
  box-shadow: var(--ait-shadow);
}

.ait-testimonial-card__quote {
  font-size: 0.95rem;
  color: var(--ait-n600);
  line-height: 1.7;
  margin-bottom: 24px;
  font-style: italic;
}

.ait-testimonial-card__quote::before { content: '\201C'; }
.ait-testimonial-card__quote::after { content: '\201D'; }

.ait-testimonial-card__attribution {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--ait-n800);
}

.ait-testimonial-card__role {
  font-size: 0.78rem;
  color: var(--ait-n400);
  margin-top: 2px;
}

/* ============================================================
   CTA Banner
   ============================================================ */
.ait-cta-banner {
  background: var(--ait-primary-dark);
  padding: 80px 0;
  text-align: center;
}

.ait-cta-banner__inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
}

.ait-cta-banner__title {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  color: var(--ait-white);
  margin-bottom: 16px;
}

.ait-cta-banner__subtitle {
  font-size: 1rem;
  color: rgba(255,255,255,0.78);
  margin-bottom: 32px;
  line-height: 1.65;
}

.ait-cta-banner__actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
}

/* ============================================================
   CTA Strip (lighter version for sub-pages)
   ============================================================ */
.ait-cta-strip {
  background: var(--ait-n100);
  padding: 64px 0;
  border-top: 1px solid var(--ait-border);
}

.ait-cta-strip__inner {
  max-width: var(--ait-container);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}

@media (min-width: 768px) { .ait-cta-strip__inner { padding: 0 40px; } }
@media (min-width: 1024px) { .ait-cta-strip__inner { padding: 0 48px; } }

.ait-cta-strip__title {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--ait-n900);
  margin-bottom: 4px;
}

.ait-cta-strip__sub {
  font-size: 0.9rem;
  color: var(--ait-n600);
}

/* ============================================================
   Footer
   ============================================================ */
.ait-footer {
  background: var(--ait-n900);
  padding: 64px 0 32px;
}

.ait-footer__grid {
  max-width: var(--ait-container);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  margin-bottom: 48px;
}

@media (min-width: 768px) { .ait-footer__grid { padding: 0 40px; } }
@media (min-width: 1024px) { .ait-footer__grid { padding: 0 48px; } }

@media (max-width: 1023px) { .ait-footer__grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 639px) { .ait-footer__grid { grid-template-columns: 1fr; } }

.ait-footer__col-heading {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ait-n400);
  margin-bottom: 16px;
}

.ait-footer__links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.ait-footer__link {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.68);
  text-decoration: none;
  transition: color 0.15s;
}

.ait-footer__link:hover {
  color: var(--ait-white);
  text-decoration: none;
}

.ait-footer__contact-block {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.68);
  line-height: 1.65;
}

.ait-footer__contact-block a {
  color: var(--ait-accent-light);
  text-decoration: none;
}
.ait-footer__contact-block a:hover {
  color: var(--ait-white);
  text-decoration: underline;
}

.ait-footer__tagline {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.45);
  margin-top: 12px;
  font-style: italic;
}

/* WCAG fix: footer is dark (#0F1923); generic p inherits --ait-n600 = 2.36 ratio → lift */
.ait-footer p {
  color: var(--ait-n300-on-dark);
}

.ait-footer__bottom {
  max-width: var(--ait-container);
  margin: 0 auto;
  padding: 0 24px;
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

@media (min-width: 768px) { .ait-footer__bottom { padding: 24px 40px 0; } }
@media (min-width: 1024px) { .ait-footer__bottom { padding: 24px 48px 0; } }

.ait-footer__copy {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.45);
}

.ait-footer__legal-links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.ait-footer__legal-link {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.45);
  text-decoration: none;
  transition: color 0.15s;
}
.ait-footer__legal-link:hover {
  color: rgba(255,255,255,0.78);
  text-decoration: none;
}

/* ============================================================
   Cookie Banner
   ============================================================ */
.ait-cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--ait-n900);
  border-top: 1px solid rgba(255,255,255,0.12);
  padding: 20px 24px;
  z-index: 9000;
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  box-shadow: 0 -4px 24px rgba(0,0,0,0.3);
}

.ait-cookie-banner--hidden { display: none; }

.ait-cookie-banner__text {
  flex: 1;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.78);
  line-height: 1.5;
  min-width: 240px;
}

.ait-cookie-banner__text a {
  color: var(--ait-accent-light);
  text-decoration: underline;
}

.ait-cookie-banner__actions {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
}

/* ============================================================
   Cards — Platform Capability
   ============================================================ */
.ait-cap-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

@media (max-width: 1023px) { .ait-cap-cards { grid-template-columns: 1fr; } }

.ait-cap-card {
  background: var(--ait-white);
  border: 1px solid var(--ait-border);
  border-radius: var(--ait-radius);
  padding: var(--ait-card-pad);
  box-shadow: var(--ait-shadow);
  transition: box-shadow 0.2s, transform 0.2s;
}

.ait-cap-card:hover {
  box-shadow: var(--ait-shadow-md);
  transform: translateY(-2px);
}

.ait-cap-card__number {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.75rem;
  color: var(--ait-accent);
  font-weight: 500;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.ait-cap-card__title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--ait-n900);
  margin-bottom: 12px;
}

.ait-cap-card__desc {
  font-size: 0.9rem;
  color: var(--ait-n600);
  line-height: 1.6;
  margin-bottom: 20px;
}

.ait-cap-card__link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--ait-primary);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.15s;
}

.ait-cap-card__link:hover {
  gap: 10px;
  text-decoration: none;
}

/* ============================================================
   Tech Specs Table
   ============================================================ */
.ait-specs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  background: var(--ait-white);
  border-radius: var(--ait-radius);
  overflow: hidden;
  box-shadow: var(--ait-shadow);
  border: 1px solid var(--ait-border);
}

.ait-specs-table th {
  background: var(--ait-primary);
  color: var(--ait-white);
  text-align: left;
  padding: 14px 20px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.ait-specs-table td {
  padding: 14px 20px;
  border-bottom: 1px solid var(--ait-border);
  color: var(--ait-n600);
  vertical-align: top;
}

.ait-specs-table tr:last-child td { border-bottom: none; }
.ait-specs-table tr:nth-child(even) td { background: var(--ait-n50); }

.ait-specs-table td:first-child {
  font-weight: 600;
  color: var(--ait-n900);
  width: 40%;
}

/* ============================================================
   Timeline / Steps
   ============================================================ */
.ait-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.ait-step {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 24px;
  position: relative;
}

.ait-step::before {
  content: '';
  position: absolute;
  left: 23px;
  top: 52px;
  bottom: -24px;
  width: 2px;
  background: var(--ait-border);
}

.ait-step:last-child::before { display: none; }

.ait-step__num {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--ait-primary);
  color: var(--ait-white);
  font-size: 0.875rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

.ait-step__content {
  padding-bottom: 40px;
}

.ait-step__title {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--ait-n900);
  margin-bottom: 8px;
}

.ait-step__desc {
  font-size: 0.9rem;
  color: var(--ait-n600);
  line-height: 1.6;
}

/* ============================================================
   2-col content layout (feature detail)
   ============================================================ */
.ait-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

@media (max-width: 767px) { .ait-two-col { grid-template-columns: 1fr; gap: 32px; } }

.ait-two-col--wide { grid-template-columns: 3fr 2fr; }
@media (max-width: 767px) { .ait-two-col--wide { grid-template-columns: 1fr; } }

/* ============================================================
   Evidence / Publications List
   ============================================================ */
.ait-pub-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.ait-pub-item {
  background: var(--ait-white);
  border: 1px solid var(--ait-border);
  border-radius: var(--ait-radius);
  padding: 24px;
  box-shadow: var(--ait-shadow);
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.ait-pub-item__icon {
  width: 36px;
  height: 36px;
  background: rgba(26,77,143,0.08);
  border-radius: var(--ait-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ait-primary);
  flex-shrink: 0;
  font-size: 1rem;
}

.ait-pub-item__content { flex: 1; }

.ait-pub-item__type {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--ait-accent);
  margin-bottom: 4px;
}

.ait-pub-item__title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ait-n900);
  margin-bottom: 4px;
}

.ait-pub-item__meta {
  font-size: 0.8rem;
  color: var(--ait-n400);
}

/* ============================================================
   Blog Grid
   ============================================================ */
.ait-blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

@media (max-width: 1023px) { .ait-blog-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 639px) { .ait-blog-grid { grid-template-columns: 1fr; } }

.ait-blog-card {
  background: var(--ait-white);
  border: 1px solid var(--ait-border);
  border-radius: var(--ait-radius);
  overflow: hidden;
  box-shadow: var(--ait-shadow);
  transition: box-shadow 0.2s, transform 0.2s;
  display: flex;
  flex-direction: column;
}

.ait-blog-card:hover {
  box-shadow: var(--ait-shadow-md);
  transform: translateY(-2px);
}

.ait-blog-card__thumb {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  background: var(--ait-n100);
}

.ait-blog-card__body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.ait-blog-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
}

.ait-blog-card__tag {
  background: rgba(26,77,143,0.08);
  color: var(--ait-primary);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 100px;
  letter-spacing: 0.03em;
}

.ait-blog-card__title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--ait-n900);
  line-height: 1.35;
  margin-bottom: 8px;
}

.ait-blog-card__excerpt {
  font-size: 0.875rem;
  color: var(--ait-n600);
  line-height: 1.6;
  flex: 1;
  margin-bottom: 16px;
}

.ait-blog-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--ait-n400);
  border-top: 1px solid var(--ait-n100);
  padding-top: 12px;
  margin-top: auto;
}

.ait-blog-card__read-link {
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--ait-primary);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.ait-blog-card__read-link:hover { text-decoration: underline; }

/* ============================================================
   Article Layout
   ============================================================ */
.ait-article-hero {
  background: var(--ait-n50);
  padding: 72px 0 56px;
  border-bottom: 1px solid var(--ait-border);
}

.ait-article-hero__inner {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 24px;
}

.ait-article-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 20px;
}

.ait-article-hero__tag {
  background: rgba(26,77,143,0.08);
  color: var(--ait-primary);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 100px;
  letter-spacing: 0.03em;
}

.ait-article-hero__title {
  font-size: clamp(1.625rem, 3.5vw, 2.5rem);
  font-weight: 700;
  color: var(--ait-n900);
  margin-bottom: 16px;
  line-height: 1.2;
}

.ait-article-hero__excerpt {
  font-size: 1.0625rem;
  color: var(--ait-n600);
  line-height: 1.7;
  margin-bottom: 24px;
}

.ait-article-hero__meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.875rem;
  color: var(--ait-n400);
  flex-wrap: wrap;
}

.ait-article-hero__author {
  font-weight: 600;
  color: var(--ait-n800);
}

.ait-article-hero__thumb {
  width: 100%;
  margin-top: 40px;
  border-radius: var(--ait-radius);
  overflow: hidden;
}

.ait-article-hero__thumb img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}

.ait-article-body {
  padding: 64px 0;
}

.ait-article-body__inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
}

.ait-article-body__inner h2 { font-size: 1.5rem; margin: 2.5rem 0 1rem; }
.ait-article-body__inner h3 { font-size: 1.2rem; margin: 2rem 0 0.75rem; }
.ait-article-body__inner p { margin-bottom: 1.25rem; color: var(--ait-n600); font-size: 1rem; line-height: 1.75; }
.ait-article-body__inner ul, .ait-article-body__inner ol { margin: 1rem 0 1.25rem 1.5rem; color: var(--ait-n600); font-size: 1rem; line-height: 1.75; }
.ait-article-body__inner li { margin-bottom: 0.4rem; list-style: disc; }
.ait-article-body__inner ol li { list-style: decimal; }
.ait-article-body__inner blockquote {
  border-left: 4px solid var(--ait-primary);
  padding: 12px 20px;
  background: var(--ait-n50);
  border-radius: 0 var(--ait-radius-sm) var(--ait-radius-sm) 0;
  margin: 1.5rem 0;
  color: var(--ait-n800);
  font-style: italic;
}
.ait-article-body__inner code {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.85em;
  background: var(--ait-n100);
  padding: 2px 6px;
  border-radius: 3px;
  color: var(--ait-primary-dark);
}

.ait-author-bio {
  background: var(--ait-n50);
  border-top: 1px solid var(--ait-border);
  padding: 48px 0;
}

.ait-author-bio__inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  gap: 24px;
  align-items: flex-start;
}

.ait-author-bio__avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  background: var(--ait-n100);
}

.ait-author-bio__name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--ait-n900);
  margin-bottom: 2px;
}

.ait-author-bio__title {
  font-size: 0.8rem;
  color: var(--ait-n400);
  margin-bottom: 8px;
}

.ait-author-bio__text {
  font-size: 0.875rem;
  color: var(--ait-n600);
  line-height: 1.6;
}

/* ============================================================
   Team Grid
   ============================================================ */
.ait-team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

@media (max-width: 1023px) { .ait-team-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 639px) { .ait-team-grid { grid-template-columns: 1fr; } }

.ait-team-card {
  background: var(--ait-white);
  border: 1px solid var(--ait-border);
  border-radius: var(--ait-radius);
  padding: 28px;
  text-align: center;
  box-shadow: var(--ait-shadow);
}

.ait-team-card__photo {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 16px;
  background: var(--ait-n100);
  display: block;
}

.ait-team-card__name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--ait-n900);
  margin-bottom: 4px;
}

.ait-team-card__role {
  font-size: 0.8rem;
  color: var(--ait-accent);
  font-weight: 500;
  margin-bottom: 10px;
}

.ait-team-card__bio {
  font-size: 0.825rem;
  color: var(--ait-n600);
  line-height: 1.55;
}

/* CEO card — featured */
.ait-team-lead {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 40px;
  align-items: center;
  background: var(--ait-white);
  border: 1px solid var(--ait-border);
  border-radius: var(--ait-radius);
  padding: 36px;
  box-shadow: var(--ait-shadow-md);
  margin-bottom: 40px;
}

@media (max-width: 767px) {
  .ait-team-lead {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

.ait-team-lead__photo {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--ait-n100);
  display: block;
  margin: 0 auto;
}

.ait-team-lead__name {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--ait-n900);
  margin-bottom: 4px;
}

.ait-team-lead__title {
  font-size: 0.9rem;
  color: var(--ait-accent);
  font-weight: 600;
  margin-bottom: 16px;
}

.ait-team-lead__bio {
  font-size: 0.9rem;
  color: var(--ait-n600);
  line-height: 1.65;
}

/* ============================================================
   Contact Form
   ============================================================ */
.ait-form {
  background: var(--ait-white);
  border: 1px solid var(--ait-border);
  border-radius: var(--ait-radius);
  padding: var(--ait-card-pad);
  box-shadow: var(--ait-shadow);
}

.ait-form__group {
  margin-bottom: 20px;
}

.ait-form__label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ait-n900);
  margin-bottom: 6px;
}

.ait-form__input,
.ait-form__select,
.ait-form__textarea {
  width: 100%;
  padding: 10px 14px;
  font-size: 0.9rem;
  border: 1px solid var(--ait-border);
  border-radius: var(--ait-radius-sm);
  background: var(--ait-white);
  color: var(--ait-n800);
  transition: border-color 0.15s, box-shadow 0.15s;
  outline: none;
}

.ait-form__input:focus,
.ait-form__select:focus,
.ait-form__textarea:focus {
  border-color: var(--ait-primary-light);
  box-shadow: 0 0 0 3px rgba(46,106,201,0.12);
}

.ait-form__textarea {
  resize: vertical;
  min-height: 120px;
}

.ait-form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

@media (max-width: 639px) { .ait-form__row { grid-template-columns: 1fr; } }

.ait-form__disclaimer {
  font-size: 0.8rem;
  color: var(--ait-n400);
  margin-top: 12px;
  margin-bottom: 0;
  line-height: 1.5;
}

/* ============================================================
   Careers
   ============================================================ */
.ait-jobs-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.ait-job-item {
  background: var(--ait-white);
  border: 1px solid var(--ait-border);
  border-radius: var(--ait-radius);
  padding: 28px 32px;
  box-shadow: var(--ait-shadow);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  transition: box-shadow 0.2s, border-color 0.2s;
}

.ait-job-item:hover {
  box-shadow: var(--ait-shadow-md);
  border-color: var(--ait-primary-light);
}

.ait-job-item__title {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--ait-n900);
  margin-bottom: 4px;
}

.ait-job-item__meta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.ait-job-item__meta-tag {
  font-size: 0.8rem;
  color: var(--ait-n600);
  display: flex;
  align-items: center;
  gap: 5px;
}

@media (max-width: 639px) {
  .ait-job-item {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ============================================================
   Resources
   ============================================================ */
.ait-resource-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

@media (max-width: 1023px) { .ait-resource-cards { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 639px) { .ait-resource-cards { grid-template-columns: 1fr; } }

.ait-resource-card {
  background: var(--ait-white);
  border: 1px solid var(--ait-border);
  border-radius: var(--ait-radius);
  padding: var(--ait-card-pad);
  box-shadow: var(--ait-shadow);
}

.ait-resource-card__type {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--ait-accent);
  margin-bottom: 12px;
}

.ait-resource-card__title {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--ait-n900);
  margin-bottom: 8px;
}

.ait-resource-card__desc {
  font-size: 0.875rem;
  color: var(--ait-n600);
  line-height: 1.6;
  margin-bottom: 20px;
}

/* ============================================================
   Legal Pages
   ============================================================ */
.ait-legal-header {
  background: var(--ait-n50);
  padding: 64px 0;
  border-bottom: 1px solid var(--ait-border);
}

.ait-legal-header__inner {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 24px;
}

.ait-legal-body {
  padding: 64px 0;
}

.ait-legal-body__inner {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 24px;
}

.ait-legal-body__inner h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--ait-n900);
  margin: 2.5rem 0 0.75rem;
  padding-top: 2rem;
  border-top: 1px solid var(--ait-n100);
}

.ait-legal-body__inner h2:first-child { margin-top: 0; padding-top: 0; border-top: none; }

.ait-legal-body__inner h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--ait-n900);
  margin: 1.5rem 0 0.5rem;
}

.ait-legal-body__inner p {
  font-size: 0.9rem;
  color: var(--ait-n600);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.ait-legal-body__inner ul,
.ait-legal-body__inner ol {
  margin: 0.75rem 0 1rem 1.5rem;
  font-size: 0.9rem;
  color: var(--ait-n600);
  line-height: 1.7;
}

.ait-legal-body__inner li { list-style: disc; margin-bottom: 0.35rem; }
.ait-legal-body__inner ol li { list-style: decimal; }
.ait-legal-body__inner a { color: var(--ait-primary); }

/* ============================================================
   404 Page
   ============================================================ */
.ait-404 {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 24px;
  background: var(--ait-n50);
}

.ait-404__code {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 5rem;
  font-weight: 500;
  color: var(--ait-primary);
  line-height: 1;
  margin-bottom: 16px;
}

.ait-404__title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--ait-n900);
  margin-bottom: 12px;
}

.ait-404__desc {
  font-size: 1rem;
  color: var(--ait-n600);
  margin-bottom: 32px;
  max-width: 480px;
}

.ait-404__actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* ============================================================
   Utility
   ============================================================ */
.ait-text-center { text-align: center; }
/* WCAG fix: --ait-accent #00A896 on light bg fails AA; use --ait-accent-aa #007A6E ≥ 4.5:1 */
.ait-text-accent { color: var(--ait-accent-aa) !important; }
.ait-text-primary { color: var(--ait-primary) !important; }
.ait-text-white { color: var(--ait-white) !important; }
/* WCAG fix: --ait-n400 on light bg fails AA; lift to --ait-n500 for light-bg muted text */
.ait-text-muted { color: var(--ait-n500) !important; }

.ait-mt-4 { margin-top: 16px; }
.ait-mt-8 { margin-top: 32px; }
.ait-mt-12 { margin-top: 48px; }
.ait-mb-8 { margin-bottom: 32px; }

.ait-divider {
  border: none;
  border-top: 1px solid var(--ait-border);
  margin: 0;
}

.ait-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: rgba(0,168,150,0.1);
  /* WCAG fix: --ait-accent #00A896 on tinted pill bg = 2.55–2.68; use #006B61 ≥ 5.0:1 on composited bg */
  color: var(--ait-accent-aa-pill);
  border: 1px solid rgba(0,168,150,0.25);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 100px;
  letter-spacing: 0.03em;
}

.ait-badge--blue {
  background: rgba(26,77,143,0.08);
  color: var(--ait-primary);
  border-color: rgba(26,77,143,0.15);
}

/* Fade-in animation */
.ait-fade-in {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.ait-fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   Regulatory / PMDA specific
   ============================================================ */
.ait-regulatory-status {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}

@media (max-width: 767px) { .ait-regulatory-status { grid-template-columns: 1fr; } }

.ait-reg-card {
  background: var(--ait-white);
  border: 1px solid var(--ait-border);
  border-radius: var(--ait-radius);
  padding: 24px;
  box-shadow: var(--ait-shadow);
}

.ait-reg-card__status {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 100px;
  display: inline-block;
  margin-bottom: 12px;
}

.ait-reg-card__status--pursuing {
  background: rgba(26,77,143,0.1);
  color: var(--ait-primary);
}

.ait-reg-card__status--active {
  background: rgba(0,168,150,0.1);
  /* WCAG fix: --ait-accent on tinted pill bg = 2.68; use --ait-accent-aa-pill #006B61 ≥ 5.0:1 */
  color: var(--ait-accent-aa-pill);
}

.ait-reg-card__title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--ait-n900);
  margin-bottom: 8px;
}

.ait-reg-card__desc {
  font-size: 0.875rem;
  color: var(--ait-n600);
  line-height: 1.55;
}

.ait-disclaimer-box {
  background: rgba(26,77,143,0.05);
  border: 1px solid var(--ait-border);
  border-left: 4px solid var(--ait-primary);
  border-radius: var(--ait-radius-sm);
  padding: 20px 24px;
  font-size: 0.875rem;
  color: var(--ait-n600);
  line-height: 1.6;
}

.ait-disclaimer-box strong { color: var(--ait-n900); }

/* ============================================================
   Customer Profiles
   ============================================================ */
.ait-customer-profiles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

@media (max-width: 1023px) { .ait-customer-profiles { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 639px) { .ait-customer-profiles { grid-template-columns: 1fr; } }

.ait-customer-profile {
  background: var(--ait-white);
  border: 1px solid var(--ait-border);
  border-radius: var(--ait-radius);
  padding: var(--ait-card-pad);
  box-shadow: var(--ait-shadow);
}

.ait-customer-profile__region {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ait-accent);
  margin-bottom: 12px;
}

.ait-customer-profile__description {
  font-size: 1rem;
  font-weight: 600;
  color: var(--ait-n900);
  margin-bottom: 12px;
  line-height: 1.35;
}

.ait-customer-profile__details {
  font-size: 0.875rem;
  color: var(--ait-n600);
  line-height: 1.6;
}

/* ============================================================
   Workflow page — split layout
   ============================================================ */
.ait-workflow-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  padding: 48px 0;
  border-bottom: 1px solid var(--ait-n100);
}

.ait-workflow-split:last-child { border-bottom: none; }

@media (max-width: 767px) { .ait-workflow-split { grid-template-columns: 1fr; gap: 24px; } }

/* ============================================================
   Breadcrumb
   ============================================================ */
.ait-breadcrumb {
  font-size: 0.8rem;
  /* WCAG fix: --ait-n400 on light bg = 2.69; lift to --ait-n500 ≥ 4.5:1 */
  color: var(--ait-n500);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.ait-breadcrumb a {
  /* WCAG fix: same as above */
  color: var(--ait-n500);
  text-decoration: none;
}
.ait-breadcrumb a:hover { color: var(--ait-primary); }
.ait-breadcrumb__sep { color: var(--ait-border); }

/* ============================================================
   Responsive helpers
   ============================================================ */
@media (max-width: 767px) {
  :root { --ait-section-v: 80px; }
  .ait-hide-mobile { display: none !important; }
  .ait-show-mobile { display: block !important; }
}

@media (min-width: 768px) {
  .ait-hide-desktop { display: none !important; }
}

/* ============================================================
   Blog card image (alias for thumb)
   ============================================================ */
.ait-blog-card__img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  background: var(--ait-n100);
  display: block;
}

.ait-blog-card__img-link {
  display: block;
  overflow: hidden;
}

.ait-blog-card__img-link:hover .ait-blog-card__img {
  transform: scale(1.02);
  transition: transform 0.3s ease;
}

.ait-blog-card__author { font-weight: 500; color: var(--ait-n600); }
/* WCAG fix: --ait-n400 on white bg = 2.83; lift to --ait-n500 ≥ 4.5:1 */
.ait-blog-card__date { color: var(--ait-n500); }
.ait-blog-card__read { color: var(--ait-n500); }

/* Blog tag (standalone) */
.ait-blog-tag {
  background: rgba(26,77,143,0.08);
  color: var(--ait-primary);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 100px;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

/* ============================================================
   Article layout (new shell structure)
   ============================================================ */
.ait-article {}

.ait-article__header {
  background: var(--ait-n50);
  padding: 80px 0 48px;
  border-bottom: 1px solid var(--ait-border);
}

.ait-article__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}

.ait-article__title {
  font-size: clamp(1.625rem, 3.5vw, 2.5rem);
  font-weight: 700;
  color: var(--ait-n900);
  margin-bottom: 20px;
  line-height: 1.2;
}

.ait-article__meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.875rem;
  color: var(--ait-n400);
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.ait-article__author {
  font-weight: 600;
  color: var(--ait-n800);
}

/* WCAG fix: --ait-n400 on light bg = 2.69; lift to --ait-n500 ≥ 4.5:1 */
.ait-article__author-title { color: var(--ait-n500); }
.ait-article__date { color: var(--ait-n500); }
.ait-article__read { color: var(--ait-n500); }

.ait-article__cover {
  width: 100%;
  border-radius: var(--ait-radius);
  aspect-ratio: 16/9;
  object-fit: cover;
}

.ait-article__body {
  padding: 64px 0;
}

.ait-article__content {
  max-width: 720px;
  margin: 0 auto;
  min-height: 120px;
}

.ait-article__content h2 { font-size: 1.5rem; margin: 2.5rem 0 1rem; }
.ait-article__content h3 { font-size: 1.2rem; margin: 2rem 0 0.75rem; }
.ait-article__content p { margin-bottom: 1.25rem; color: var(--ait-n600); font-size: 1rem; line-height: 1.75; }
.ait-article__content ul, .ait-article__content ol { margin: 1rem 0 1.25rem 1.5rem; color: var(--ait-n600); font-size: 1rem; line-height: 1.75; }
.ait-article__content li { margin-bottom: 0.4rem; list-style: disc; }
.ait-article__content ol li { list-style: decimal; }
.ait-article__content blockquote {
  border-left: 4px solid var(--ait-primary);
  padding: 12px 20px;
  background: var(--ait-n50);
  border-radius: 0 var(--ait-radius-sm) var(--ait-radius-sm) 0;
  margin: 1.5rem 0;
  color: var(--ait-n800);
  font-style: italic;
}
.ait-article__content code {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.85em;
  background: var(--ait-n100);
  padding: 2px 6px;
  border-radius: 3px;
  color: var(--ait-primary-dark);
}

.ait-article__footer {
  padding: 32px 0 64px;
  background: var(--ait-white);
  border-top: 1px solid var(--ait-border);
}

/* ============================================================
   Jobs / Careers — card variant
   ============================================================ */
.ait-job-card {
  background: var(--ait-white);
  border: 1px solid var(--ait-border);
  border-radius: var(--ait-radius);
  padding: var(--ait-card-pad);
  box-shadow: var(--ait-shadow);
  transition: box-shadow 0.2s, border-color 0.2s;
}

.ait-job-card:hover {
  box-shadow: var(--ait-shadow-md);
  border-color: var(--ait-primary-light);
}

.ait-job-card__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.ait-job-card__title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--ait-n900);
  margin-bottom: 8px;
}

.ait-job-card__meta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.ait-job-card__dept,
.ait-job-card__type,
.ait-job-card__location {
  font-size: 0.8rem;
  /* WCAG fix: --ait-n400 on white bg = 2.83; lift to --ait-n500 ≥ 4.5:1 */
  color: var(--ait-n500);
  display: flex;
  align-items: center;
  gap: 4px;
}

.ait-job-card__dept { color: var(--ait-primary); font-weight: 600; }

.ait-job-card__desc {
  font-size: 0.9rem;
  color: var(--ait-n600);
  line-height: 1.65;
  margin-bottom: 16px;
}

.ait-job-card__requirements {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.ait-job-req-tag {
  background: var(--ait-n100);
  color: var(--ait-n800);
  font-size: 0.78rem;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: var(--ait-radius-sm);
  border: 1px solid var(--ait-border);
}

/* Badge green variant */
.ait-badge--green {
  background: rgba(39,174,96,0.1);
  /* WCAG fix: --ait-success #27AE60 on tinted pill bg = 2.6; use #155F35 ≥ 6.5:1 on composited bg */
  color: var(--ait-success-aa-pill);
  border-color: rgba(39,174,96,0.25);
}

/* ============================================================
   Contact layout
   ============================================================ */
.ait-contact-layout {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 56px;
  align-items: flex-start;
}

@media (max-width: 1023px) { .ait-contact-layout { grid-template-columns: 1fr; gap: 40px; } }

.ait-contact-form-col {}

.ait-contact-info-col {}

.ait-contact-info-block {
  background: var(--ait-n50);
  border: 1px solid var(--ait-border);
  border-radius: var(--ait-radius);
  padding: 24px;
}

.ait-contact-info__heading {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--ait-n900);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.ait-contact-info__item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 16px;
  font-size: 0.875rem;
  color: var(--ait-n600);
}

.ait-contact-info__item:last-child { margin-bottom: 0; }

.ait-contact-info__item i {
  color: var(--ait-primary);
  margin-top: 2px;
  flex-shrink: 0;
  width: 16px;
}

.ait-contact-info__item a {
  color: var(--ait-primary);
  font-weight: 500;
}

.ait-contact-info__note {
  font-size: 0.78rem;
  /* WCAG fix: --ait-n400 on --ait-n50 bg = 2.69; lift to --ait-n500 ≥ 4.5:1 */
  color: var(--ait-n500);
  margin-top: 2px;
}

/* Form variants */
.ait-form__row--two { grid-template-columns: 1fr 1fr; }
@media (max-width: 639px) { .ait-form__row--two { grid-template-columns: 1fr; } }

.ait-form__note {
  font-size: 0.8rem;
  color: var(--ait-n400);
  line-height: 1.5;
  margin-bottom: 20px;
}

.ait-form__submit {
  width: 100%;
  justify-content: center;
}

/* ============================================================
   Resource list (resources page)
   ============================================================ */
.ait-resource-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.ait-resource-item {
  background: var(--ait-white);
  border: 1px solid var(--ait-border);
  border-radius: var(--ait-radius);
  padding: 24px;
  box-shadow: var(--ait-shadow);
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.ait-resource-item__icon {
  width: 40px;
  height: 40px;
  background: rgba(26,77,143,0.08);
  border-radius: var(--ait-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ait-primary);
  flex-shrink: 0;
  font-size: 1.1rem;
}

.ait-resource-item__body { flex: 1; }

.ait-resource-item__title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--ait-n900);
  margin-bottom: 6px;
}

.ait-resource-item__desc {
  font-size: 0.875rem;
  color: var(--ait-n600);
  line-height: 1.6;
  margin-bottom: 12px;
}

.ait-resource-item__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.ait-resource-item__access {
  font-size: 0.78rem;
  /* WCAG fix: --ait-n400 on white bg = 2.83; lift to --ait-n500 ≥ 4.5:1 */
  color: var(--ait-n500);
  font-style: italic;
}

/* ============================================================
   Legal document (new inline structure)
   ============================================================ */
.ait-legal-doc {
  max-width: 800px;
  margin: 0 auto;
  padding-bottom: 80px;
}

.ait-legal-doc__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--ait-n900);
  margin-bottom: 8px;
}

.ait-legal-doc__updated {
  font-size: 0.875rem;
  color: var(--ait-n400);
  margin-bottom: 48px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--ait-border);
}

.ait-legal-doc h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--ait-n900);
  margin: 2.5rem 0 0.75rem;
  padding-top: 2rem;
  border-top: 1px solid var(--ait-n100);
}

.ait-legal-doc h2:first-of-type { margin-top: 0; padding-top: 0; border-top: none; }

.ait-legal-doc h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--ait-n900);
  margin: 1.5rem 0 0.5rem;
}

.ait-legal-doc p {
  font-size: 0.9rem;
  color: var(--ait-n600);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.ait-legal-doc ul,
.ait-legal-doc ol {
  margin: 0.75rem 0 1rem 1.5rem;
  font-size: 0.9rem;
  color: var(--ait-n600);
  line-height: 1.7;
}

.ait-legal-doc li { list-style: disc; margin-bottom: 0.35rem; }
.ait-legal-doc ol li { list-style: decimal; }
.ait-legal-doc a { color: var(--ait-primary); }

/* ============================================================
   404 page extensions
   ============================================================ */
.ait-404__inner {
  max-width: 640px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.ait-404__svg {
  width: 280px;
  height: auto;
  margin-bottom: 8px;
}

.ait-404__links {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.ait-404__nav-links {
  text-align: left;
  width: 100%;
  background: var(--ait-white);
  border: 1px solid var(--ait-border);
  border-radius: var(--ait-radius);
  padding: 24px;
  box-shadow: var(--ait-shadow);
}

.ait-404__nav-links p {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ait-n400);
  margin-bottom: 12px;
}

.ait-404__nav-links ul {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

@media (max-width: 639px) { .ait-404__nav-links ul { grid-template-columns: repeat(2, 1fr); } }

.ait-404__nav-links li { list-style: none; }
.ait-404__nav-links a {
  font-size: 0.875rem;
  color: var(--ait-primary);
  text-decoration: none;
}
.ait-404__nav-links a:hover { text-decoration: underline; }

/* ============================================================
   Visually hidden (accessibility)
   ============================================================ */
.ait-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ============================================================
   Subhero stat group
   ============================================================ */
.ait-subhero__stat-group {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
  padding: 20px 24px;
  background: rgba(26,77,143,0.06);
  border: 1px solid var(--ait-border);
  border-radius: var(--ait-radius);
  margin-top: 32px;
}

.ait-subhero__stat {}

.ait-subhero__stat-value {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--ait-primary);
  line-height: 1;
  margin-bottom: 4px;
}

.ait-subhero__stat-label {
  font-size: 0.78rem;
  color: var(--ait-n400);
}

/* ============================================================
   Missing class fixes — 4 orphans found via A.5 audit
   ============================================================ */

/* ait-btn--outline: border button for light backgrounds */
.ait-btn--outline {
  background: transparent;
  border: 1.5px solid var(--ait-primary);
  color: var(--ait-primary);
}
.ait-btn--outline:hover {
  background: rgba(26,77,143,0.06);
  border-color: var(--ait-primary-dark);
  color: var(--ait-primary-dark);
}

/* ait-footer__col: footer column container */
.ait-footer__col {
  display: flex;
  flex-direction: column;
  gap: 0;
}

/* ait-hero__text: hero text wrapper (left column) */
.ait-hero__text {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* ait-nav__link--active: active/current nav state */
.ait-nav__link--active {
  color: var(--ait-primary) !important;
  font-weight: 600;
}