/* AI services page (/ai/). Brand: charcoal #2c2927, yellow #f3d97a, cream #f2f1e5. */

.pbt-ai {
  --ai-ink: #2c2927;
  --ai-ink-2: #534a45;
  --ai-dark: #1f1d1b;
  --ai-yellow: #f3d97a;
  --ai-yellow-soft: #fbe8a6;
  --ai-gold: #ffc72c;
  --ai-cream: #f2f1e5;
  --ai-line: rgba(44, 41, 39, .12);
  --ai-gutter: 55px;
  color: var(--ai-ink-2);
  font-family: Poppins, system-ui, sans-serif;
  font-size: 17px;
  line-height: 1.65;
}
.pbt-ai *, .pbt-ai *::before, .pbt-ai *::after { box-sizing: border-box; }
.pbt-ai h1, .pbt-ai h2, .pbt-ai h3 { color: var(--ai-ink); font-family: "DM Serif Display", Georgia, serif; font-weight: 400; margin: 0; }
.pbt-ai h2 { font-size: clamp(30px, 16px + 2vw, 46px); line-height: 1.12; text-wrap: balance; }
.pbt-ai h3 { font-size: 23px; line-height: 1.25; }
.pbt-ai p { margin: 0; }
.pbt-ai a { text-decoration: none; }

.ai-wrap { width: min(1200px, 100% - 2 * var(--ai-gutter)); margin: 0 auto; }
.ai-wrap-narrow { width: min(860px, 100% - 2 * var(--ai-gutter)); }
.ai-section { padding: 96px 0; }
.ai-kicker {
  margin-bottom: 12px !important; color: #9a7b12; font-size: 13px; font-weight: 600;
  letter-spacing: .12em; text-transform: uppercase;
}
.ai-intro { max-width: 46em; margin-top: 18px !important; font-size: 18px; }
.ai-grid { display: grid; gap: 24px; margin-top: 48px; }
.ai-grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.ai-grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.ai-grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.ai-icon {
  display: inline-grid; place-items: center; width: 52px; height: 52px; border-radius: 14px;
  background: var(--ai-gold); color: var(--ai-ink); font-size: 21px;
}
.ai-icon-lg { width: 60px; height: 60px; font-size: 24px; }

/* Buttons */
.ai-cta-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.ai-btn {
  display: inline-flex; align-items: center; justify-content: center; min-height: 54px; padding: 0 26px;
  border: 1px solid transparent; font-weight: 600; font-size: 16px; line-height: 1.2; text-align: center;
  transition: background-color .2s, color .2s, border-color .2s, transform .2s;
}
.ai-btn:hover, .ai-btn:focus-visible { transform: translateY(-1px); }
.ai-btn-primary { background: var(--ai-yellow); color: var(--ai-ink) !important; }
.ai-btn-primary:hover, .ai-btn-primary:focus-visible { background: #fff; }
.ai-btn-ghost { border-color: rgba(242, 241, 229, .45); color: #f2f1e5 !important; }
.ai-btn-ghost:hover, .ai-btn-ghost:focus-visible { border-color: var(--ai-yellow); color: var(--ai-yellow) !important; }
.ai-btn-dark { background: var(--ai-ink); color: #fff !important; }
.ai-btn-dark:hover, .ai-btn-dark:focus-visible { background: #000; }

/* Hero */
.ai-hero {
  position: relative; overflow: hidden; padding: 190px 0 110px; background: var(--ai-dark); color: #d8d3c8;
  background-image:
    radial-gradient(circle at 78% 42%, rgba(243, 217, 122, .22), transparent 42%),
    radial-gradient(circle at 10% 100%, rgba(243, 217, 122, .08), transparent 40%),
    radial-gradient(rgba(242, 241, 229, .09) 1px, transparent 1px);
  background-size: auto, auto, 26px 26px;
}
.ai-hero-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: 56px; align-items: center; }
.ai-eyebrow {
  display: inline-flex; align-items: center; gap: 8px; padding: 7px 14px; border: 1px solid rgba(243, 217, 122, .4);
  border-radius: 999px; color: var(--ai-yellow); font-size: 14px; font-weight: 600;
}
.pbt-ai .ai-hero h1 {
  margin-top: 22px; color: #fff; font-size: clamp(40px, 18px + 3.6vw, 72px); line-height: 1.05; text-wrap: balance;
}
.ai-lead { margin-top: 22px !important; max-width: 34em; color: #e3ded3; font-size: clamp(17px, 15px + .4vw, 20px); }
.ai-hero-points { display: flex; flex-wrap: wrap; gap: 10px 26px; margin: 30px 0 0; padding: 0; list-style: none; font-size: 15px; }
.ai-hero-points i { margin-right: 6px; color: var(--ai-yellow); }

.ai-hero-visual { position: relative; min-height: 420px; }
.ai-orb {
  position: absolute; top: 50%; left: 34%; display: grid; place-items: center; width: 190px; height: 190px;
  margin: -95px 0 0 -95px; border-radius: 50%; color: var(--ai-dark); font-size: 70px;
  background: radial-gradient(circle at 35% 30%, #fff6d1, var(--ai-yellow) 55%, #c9a63c);
  box-shadow: 0 0 0 18px rgba(243, 217, 122, .12), 0 0 0 40px rgba(243, 217, 122, .06), 0 0 90px rgba(243, 217, 122, .45);
  animation: ai-pulse 5s ease-in-out infinite;
}
.ai-chip {
  position: absolute; display: flex; align-items: center; gap: 12px; width: 300px; padding: 14px 16px;
  border: 1px solid rgba(242, 241, 229, .14); border-radius: 14px; background: rgba(44, 41, 39, .88);
  box-shadow: 0 18px 40px rgba(0, 0, 0, .35); color: #cfc9bd; font-size: 13px; line-height: 1.4;
  backdrop-filter: blur(6px); animation: ai-float 7s ease-in-out infinite;
}
.ai-chip strong { display: block; color: #fff; font-size: 14px; }
.ai-chip-icon { flex: none; display: grid; place-items: center; width: 38px; height: 38px; border-radius: 10px; background: var(--ai-gold); color: var(--ai-ink); font-size: 16px; }
.ai-chip-ok { flex: none; margin-left: auto; display: grid; place-items: center; width: 24px; height: 24px; border-radius: 50%; background: #3f7d4f; color: #fff; font-size: 11px; }
.ai-chip-1 { top: 0; right: 0; }
.ai-chip-2 { top: 50%; right: -4%; margin-top: -10px; animation-delay: -2.3s; }
.ai-chip-3 { bottom: 0; left: 0; animation-delay: -4.6s; }
@keyframes ai-float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
@keyframes ai-pulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.04); } }
@media (prefers-reduced-motion: reduce) { .ai-chip, .ai-orb { animation: none; } .ai-btn:hover { transform: none; } }

/* Why */
.ai-why { background: var(--ai-cream); }
.ai-card { padding: 32px; border: 1px solid var(--ai-line); background: #fff; }
.ai-card h3 { margin: 20px 0 10px; }

/* Services */
.ai-services { background: #fff; }
.ai-service { position: relative; padding: 40px; border: 1px solid var(--ai-line); background: var(--ai-cream); transition: border-color .2s, transform .2s; }
.ai-service:hover { border-color: #c9a63c; transform: translateY(-3px); }
.ai-service h3 { margin: 22px 0 12px; font-size: 27px; }
.ai-service ul, .ai-checks { margin: 20px 0 0; padding: 0; list-style: none; }
.ai-service li, .ai-checks li { position: relative; padding-left: 28px; margin-top: 8px; font-size: 16px; }
.ai-service li::before, .ai-checks li::before {
  content: "\f00c"; position: absolute; left: 0; top: 1px; color: #9a7b12;
  font-family: "Font Awesome 5 Free"; font-weight: 900; font-size: 14px;
}
.ai-service-feature { background: var(--ai-ink); color: #d8d3c8; border-color: var(--ai-ink); }
.ai-service-feature h3 { color: #fff; }
.ai-service-feature .ai-icon { background: var(--ai-gold); }
.ai-service-feature li::before { color: var(--ai-yellow); }
.ai-badge {
  position: absolute; top: 24px; right: 24px; padding: 5px 12px; border-radius: 999px;
  background: var(--ai-yellow); color: var(--ai-ink); font-size: 12px; font-weight: 600; letter-spacing: .04em;
}

/* Business Central */
.ai-bc { background: var(--ai-yellow-soft); }
.ai-bc-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: 48px; align-items: end; }
.ai-bc-head .ai-intro { margin-top: 0 !important; }
.ai-features { gap: 16px; }
.ai-feature { padding: 24px; background: #fff; border-radius: 4px; }
.ai-feature > i { color: #9a7b12; font-size: 22px; }
.ai-feature h3 { margin: 14px 0 6px; font-size: 19px; }
.ai-feature p { font-size: 15px; line-height: 1.55; }
.ai-footnote { margin-top: 18px !important; font-size: 14px; color: #6b615a; }
.ai-split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 48px; margin-top: 56px; align-items: start; }
.ai-split h3 { font-size: 27px; }
.ai-callout { padding: 34px; background: var(--ai-ink); color: #d8d3c8; }
.ai-callout > i { color: var(--ai-yellow); font-size: 28px; }
.pbt-ai .ai-callout h3 { margin: 14px 0 10px; color: #fff; font-size: 24px; }
.ai-link { display: inline-flex; align-items: center; gap: 8px; margin-top: 18px; color: var(--ai-yellow) !important; font-weight: 600; }
.ai-link:hover, .ai-link:focus-visible { color: #fff !important; }

/* Team */
.ai-team { background: var(--ai-dark); color: #cfc9bd; }
.pbt-ai .ai-team h2, .pbt-ai .ai-team h3 { color: #fff; }
.ai-team .ai-kicker { color: var(--ai-yellow); }
.ai-role { position: relative; padding: 30px; border: 1px solid rgba(242, 241, 229, .12); border-radius: 6px; background: #2a2725; transition: border-color .2s; }
.ai-role:hover { border-color: rgba(243, 217, 122, .5); }
.ai-role .ai-icon { background: var(--ai-gold); color: var(--ai-ink); }
.ai-role h3 { margin: 18px 0 8px; font-size: 21px; }
.ai-role p { font-size: 15px; }
.ai-tag { display: inline-block; margin-top: 16px; padding: 3px 10px; border-radius: 999px; background: rgba(63, 125, 79, .25); color: #9fd3a9; font-size: 12px; font-weight: 600; }

/* Process */
.ai-process { background: #fff; }
.ai-steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; margin: 48px 0 0; padding: 0; list-style: none; counter-reset: none; }
.ai-steps li { position: relative; padding-top: 24px; border-top: 3px solid var(--ai-yellow); }
.ai-step-num { display: block; color: #c9a63c; font-family: "DM Serif Display", Georgia, serif; font-size: 44px; line-height: 1; }
.ai-steps h3 { margin: 12px 0 8px; }
.ai-steps p { font-size: 16px; }

/* Trust */
.ai-trust { background: var(--ai-cream); }

/* FAQ */
.ai-faq { background: #fff; }
.ai-faq details { border-bottom: 1px solid var(--ai-line); }
.ai-faq details:first-of-type { margin-top: 36px; border-top: 1px solid var(--ai-line); }
.ai-faq summary {
  position: relative; padding: 22px 44px 22px 0; cursor: pointer; list-style: none;
  color: var(--ai-ink); font-size: 19px; font-weight: 600;
}
.ai-faq summary::-webkit-details-marker { display: none; }
.ai-faq summary::after {
  content: "+"; position: absolute; right: 6px; top: 50%; transform: translateY(-50%);
  color: #9a7b12; font-size: 28px; font-weight: 400; transition: transform .2s;
}
.ai-faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.ai-faq summary:focus-visible { outline: 2px solid var(--ai-ink); outline-offset: 4px; }
.ai-faq details p { padding: 0 0 24px; max-width: 46em; }

/* Final CTA */
.ai-cta { padding: 72px 0; background: var(--ai-yellow); }
.ai-cta-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 28px 48px; }
.ai-cta h2 { max-width: 16em; }
.ai-cta p { margin-top: 12px !important; max-width: 38em; color: var(--ai-ink); }
.ai-cta-actions { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; }
.ai-phone { color: var(--ai-ink) !important; font-weight: 600; }
.ai-phone i { margin-right: 6px; }

/* Responsive */
@media (max-width: 1100px) {
  .ai-grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ai-chip { width: 270px; }
  .ai-chip-2 { right: 0; }
}
@media (max-width: 1024px) {
  .pbt-ai { --ai-gutter: 50px; }
  .ai-section { padding: 80px 0; }
  .ai-hero { padding: 160px 0 90px; }
  .ai-hero-grid, .ai-bc-head, .ai-split { grid-template-columns: 1fr; }
  .ai-hero-visual { min-height: 400px; max-width: 520px; width: 100%; margin: 0 auto; }
  .ai-grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ai-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ai-bc-head { gap: 0; }
  .ai-bc-head .ai-intro { margin-top: 18px !important; }
}
@media (max-width: 767px) {
  .pbt-ai { --ai-gutter: 25px; font-size: 16px; }
  .ai-section { padding: 64px 0; }
  .ai-hero { padding: 130px 0 72px; }
  .ai-cta-row .ai-btn { width: 100%; }
  .ai-grid-2, .ai-grid-3, .ai-steps { grid-template-columns: 1fr; }
  .ai-grid { margin-top: 36px; }
  .ai-service, .ai-card, .ai-callout { padding: 28px 24px; }
  .ai-badge { position: static; display: inline-block; margin-bottom: 14px; }
  .ai-hero-visual { min-height: 0; display: grid; gap: 12px; }
  .ai-orb { display: none; }
  .ai-chip { position: static; width: 100%; animation: none; }
}
@media (max-width: 480px) {
  .ai-grid-4 { grid-template-columns: 1fr; }
}