:root {
  --ai-bg: #f7f7f3;
  --ai-panel: #ffffff;
  --ai-panel-soft: #f1f0ec;
  --ai-ink: #171719;
  --ai-muted: #6f6e6a;
  --ai-line: rgba(23, 23, 25, .12);
  --ai-line-strong: rgba(23, 23, 25, .2);
  --ai-green: #8fd25e;
  --ai-blue: #aee2f0;
  --ai-gold: #f1c85b;
  --ai-radius: 28px;
  --ai-max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ai-ink);
  background: var(--ai-bg);
  font-family: Outfit, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }

.ai-page {
  min-height: 100vh;
  overflow-x: hidden;
  background:
    linear-gradient(90deg, transparent calc(5vw - 1px), rgba(23,23,25,.055) calc(5vw - 1px), rgba(23,23,25,.055) 5vw, transparent 5vw),
    linear-gradient(90deg, transparent calc(95vw - 1px), rgba(23,23,25,.055) calc(95vw - 1px), rgba(23,23,25,.055) 95vw, transparent 95vw),
    var(--ai-bg);
}

.ai-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  width: min(var(--ai-max), calc(100vw - 40px));
  min-height: 70px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
  margin: 0 auto;
  padding: 14px 0;
  background: rgba(247,247,243,.84);
  backdrop-filter: blur(18px);
}

.ai-brand {
  justify-self: start;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -.04em;
}

.ai-nav-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  color: var(--ai-muted);
  font-size: 14px;
  font-weight: 500;
}

.ai-nav-cta,
.ai-button,
.ai-price-card a,
.ai-demo-form button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  transition: transform .22s ease, box-shadow .22s ease, background .22s ease;
}

.ai-nav-cta {
  justify-self: end;
  padding: 0 22px;
  color: #fff;
  background: #000;
  box-shadow: 0 10px 24px rgba(0,0,0,.08);
}

.ai-nav-cta:hover,
.ai-button:hover,
.ai-price-card a:hover,
.ai-demo-form button:hover {
  transform: translateY(-2px);
}

.ai-hero {
  width: min(880px, calc(100vw - 40px));
  margin: 0 auto;
  padding: clamp(96px, 13vw, 166px) 0 clamp(64px, 8vw, 112px);
  text-align: center;
}

.ai-eyebrow {
  width: max-content;
  max-width: 100%;
  margin: 0 auto 18px;
  padding: 8px 12px;
  border: 1px solid var(--ai-line);
  border-radius: 999px;
  color: var(--ai-muted);
  background: rgba(255,255,255,.66);
  font-size: 13px;
  font-weight: 600;
}

.ai-hero h1,
.ai-section h2,
.ai-cta h2 {
  margin: 0;
  color: var(--ai-ink);
  font-weight: 500;
  letter-spacing: -.065em;
}

.ai-hero h1 {
  max-width: 760px;
  margin: 0 auto;
  font-size: clamp(52px, 6.2vw, 88px);
  line-height: .94;
}

.ai-hero h1 span {
  display: block;
}

.ai-mobile-line {
  display: none !important;
}

.ai-hero-copy {
  max-width: 740px;
  margin: 24px auto 0;
  color: var(--ai-muted);
  font-size: clamp(18px, 1.65vw, 22px);
  line-height: 1.42;
}

.ai-hero-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.ai-button {
  padding: 0 28px;
}

.ai-button-dark {
  color: #fff;
  background: #000;
}

.ai-button-light {
  border: 1px solid var(--ai-line-strong);
  background: rgba(255,255,255,.72);
}

.ai-demo-card {
  position: relative;
  width: min(var(--ai-max), calc(100vw - 40px));
  min-height: clamp(420px, 48vw, 640px);
  margin: 0 auto clamp(90px, 12vw, 160px);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.72);
  border-radius: 18px;
  background:
    radial-gradient(circle at 18% 20%, rgba(143,210,94,.9), transparent 24%),
    radial-gradient(circle at 35% 30%, rgba(174,226,240,.86), transparent 24%),
    radial-gradient(circle at 52% 16%, rgba(255,196,125,.82), transparent 21%),
    radial-gradient(circle at 82% 28%, rgba(174,226,240,.86), transparent 28%),
    radial-gradient(circle at 70% 75%, rgba(143,210,94,.76), transparent 27%),
    linear-gradient(135deg, #0f3f21, #0d6255 48%, #b7e7ef 100%);
  box-shadow: inset 0 0 0 1px rgba(0,0,0,.04), 0 28px 90px rgba(23,23,25,.08);
}

.ai-demo-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,.1);
  backdrop-filter: blur(16px) saturate(1.08);
}

.ai-demo-orb {
  position: absolute;
  z-index: 2;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  background: radial-gradient(circle at 35% 30%, #fff3d8, #ff6f4b 58%, #ce3328);
  box-shadow: 0 14px 32px rgba(0,0,0,.2);
}
.ai-demo-orb-a { left: 24%; top: 25%; }
.ai-demo-orb-b { left: 25%; top: 58%; }

.ai-call-bubble {
  position: absolute;
  z-index: 3;
  width: min(370px, 38vw);
  min-height: 84px;
  display: grid;
  place-items: center;
  padding: 18px 26px;
  border: 1px solid rgba(255,255,255,.42);
  border-radius: 16px;
  color: rgba(255,255,255,.92);
  background: rgba(255,255,255,.2);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.32);
  backdrop-filter: blur(18px);
  font-size: clamp(18px, 1.5vw, 22px);
  font-weight: 500;
  line-height: 1.25;
}
.ai-call-bubble-a { left: 30%; top: 22%; }
.ai-call-bubble-b { right: 29%; top: 42%; }
.ai-call-bubble-c { left: 30%; top: 64%; }

.ai-demo-play {
  position: absolute;
  z-index: 3;
  left: 26px;
  bottom: 24px;
  width: 54px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  color: #fff;
  background: rgba(0,0,0,.24);
  backdrop-filter: blur(12px);
}

.ai-section {
  width: min(var(--ai-max), calc(100vw - 40px));
  margin: 0 auto;
  padding: clamp(80px, 11vw, 150px) 0 46px;
  border-top: 1px solid var(--ai-line);
}

.ai-split {
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
  gap: clamp(32px, 7vw, 120px);
  align-items: start;
}

.ai-section h2 {
  max-width: 520px;
  font-size: clamp(42px, 4.7vw, 68px);
  line-height: .98;
}

.ai-section p {
  max-width: 560px;
  margin: 0;
  color: var(--ai-muted);
  font-size: clamp(17px, 1.45vw, 21px);
  line-height: 1.45;
}

.ai-use-grid,
.ai-business-grid,
.ai-proof-grid,
.ai-pricing-grid,
.ai-calculator {
  width: min(var(--ai-max), calc(100vw - 40px));
  margin: 0 auto clamp(80px, 10vw, 140px);
}

.ai-use-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  overflow: hidden;
}

.ai-use-card {
  min-height: 560px;
  display: grid;
  grid-template-rows: minmax(300px, 1fr) auto auto;
  gap: 18px;
}

.ai-mini-ui {
  position: relative;
  overflow: hidden;
  border-radius: 20px;
  background:
    radial-gradient(circle at 14% 12%, rgba(241,200,91,.9), transparent 24%),
    radial-gradient(circle at 78% 22%, rgba(174,226,240,.8), transparent 28%),
    radial-gradient(circle at 78% 80%, rgba(33,91,82,.9), transparent 32%),
    #f4f4ed;
  box-shadow: inset 0 0 0 1px rgba(0,0,0,.04);
}

.ai-use-card h3,
.ai-business-grid h3,
.ai-price-card h3 {
  margin: 0;
  font-size: clamp(21px, 2vw, 28px);
  font-weight: 500;
  letter-spacing: -.045em;
  line-height: 1.05;
}

.ai-use-card p,
.ai-business-grid p,
.ai-price-card li,
.ai-price-card p,
.ai-calculator p,
.ai-faq-list p,
.ai-cta p {
  margin: 0;
  color: var(--ai-muted);
  font-size: 16px;
  line-height: 1.45;
}

.ai-mini-chat {
  display: grid;
  align-content: center;
  gap: 10px;
  padding: 32px;
}
.ai-mini-chat p,
.ai-mini-chat small {
  max-width: 250px;
  padding: 12px 14px;
  border-radius: 18px;
  background: rgba(255,255,255,.82);
  color: var(--ai-ink);
  font-size: 14px;
  line-height: 1.2;
}
.ai-mini-chat p:nth-of-type(2) { justify-self: end; background: rgba(255,255,255,.62); }
.ai-dot { width: 34px; height: 34px; border-radius: 50%; background: linear-gradient(135deg, #00d0ff, #0b4626); }

.ai-mini-calendar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 58px;
  gap: 2px;
  padding: 36px;
  background: linear-gradient(135deg, #f3c371, #eaf7f0 38%, #0a6153 100%);
}
.ai-mini-calendar strong { grid-column: 1 / -1; align-self: end; }
.ai-mini-calendar span { border-radius: 8px; background: rgba(255,255,255,.72); }
.ai-mini-calendar .is-booked { background: #d9f4d8; }
.ai-mini-calendar .is-hot { background: #dfe8ff; }

.ai-mini-phone {
  display: grid;
  place-items: center;
  align-content: center;
  gap: 20px;
  text-align: center;
  background: linear-gradient(135deg, #cbdc8d, #f7f7f3 56%, #eaf1ff);
}
.ai-mini-phone span { color: var(--ai-muted); }
.ai-mini-phone strong { font-size: clamp(24px, 2.5vw, 36px); font-weight: 500; letter-spacing: -.04em; }
.ai-mini-phone div { display: flex; gap: 18px; }
.ai-mini-phone i { width: 54px; height: 54px; border-radius: 50%; background: rgba(23,23,25,.08); }

.ai-business-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}
.ai-business-grid article,
.ai-proof-grid article,
.ai-price-card,
.ai-calculator,
.ai-faq-list details {
  border: 1px solid var(--ai-line);
  background: rgba(255,255,255,.62);
  box-shadow: 0 10px 28px rgba(23,23,25,.035);
}
.ai-business-grid article {
  min-height: 260px;
  padding: 26px;
  border-radius: 28px;
}
.ai-business-grid span {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  margin-bottom: 54px;
  border: 1px solid var(--ai-line);
  border-radius: 16px;
  background: #fff;
  color: var(--ai-muted);
}
.ai-business-grid h3 { margin-bottom: 14px; }

.ai-proof-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}
.ai-proof-grid article {
  min-height: 260px;
  display: grid;
  align-content: end;
  gap: 28px;
  padding: 30px;
  border-radius: 30px;
}
.ai-proof-grid strong {
  font-size: clamp(42px, 5vw, 70px);
  font-weight: 500;
  letter-spacing: -.07em;
  line-height: .9;
}
.ai-proof-grid p { margin: 0; color: var(--ai-muted); font-size: 17px; line-height: 1.35; }

.ai-pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  align-items: stretch;
}
.ai-price-card {
  position: relative;
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  gap: 18px;
  min-height: 430px;
  padding: 28px;
  border-radius: 28px;
}
.ai-price-card.is-featured {
  border: 4px solid #000;
  background: #fff;
  transform: translateY(-18px);
}
.ai-popular {
  position: absolute;
  left: -4px;
  right: -4px;
  top: -42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 24px 24px 0 0;
  color: #fff !important;
  background: #000;
  font-size: 14px !important;
  font-weight: 600;
}
.ai-plan { color: var(--ai-ink) !important; font-weight: 600; }
.ai-price-card ul { display: grid; gap: 13px; margin: 12px 0 0; padding: 0; list-style: none; }
.ai-price-card li::before { content: "✓"; margin-right: 10px; color: var(--ai-muted); }
.ai-price-card a { align-self: end; color: var(--ai-ink); border: 1px solid var(--ai-line); background: #fff; }
.ai-price-card.is-featured a { color: #fff; background: #000; }

.ai-calculator {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  padding: 10px;
  border-radius: 28px;
}
.ai-calc-controls,
.ai-calc-result {
  padding: clamp(24px, 4vw, 52px);
}
.ai-calc-controls { border-right: 1px solid var(--ai-line); }
.ai-calc-controls label { display: grid; gap: 12px; margin-bottom: 22px; }
.ai-calc-controls span,
.ai-calc-result span { color: var(--ai-muted); font-size: 14px; font-weight: 600; }
.ai-calc-controls input[type="number"] {
  width: 220px;
  height: 44px;
  padding: 0 16px;
  border: 1px solid var(--ai-line);
  border-radius: 999px;
  background: #fff;
}
.ai-calc-controls input[type="range"] { width: 100%; accent-color: #000; }
.ai-calc-controls strong { justify-self: end; margin-top: -44px; padding: 8px 14px; border: 1px solid var(--ai-line); border-radius: 999px; background: #fff; font-size: 14px; }
.ai-calc-result {
  display: grid;
  align-content: center;
  gap: 14px;
  border-radius: 22px;
  background: rgba(255,255,255,.72);
}
.ai-calc-result > strong {
  font-size: clamp(56px, 7vw, 96px);
  font-weight: 500;
  letter-spacing: -.08em;
  line-height: .92;
}
.ai-calc-result > div { display: flex; gap: 42px; padding-top: 22px; border-top: 1px solid var(--ai-line); }
.ai-calc-result small { color: var(--ai-muted); text-transform: uppercase; letter-spacing: .08em; }
.ai-calc-result b { display: block; color: var(--ai-ink); font-size: 22px; letter-spacing: 0; text-transform: none; }

.ai-faq-list { display: grid; gap: 0; }
.ai-faq-list details {
  border-width: 0 0 1px;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}
.ai-faq-list summary {
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 0;
  font-size: clamp(18px, 1.8vw, 24px);
  font-weight: 500;
  list-style: none;
}
.ai-faq-list summary::-webkit-details-marker { display: none; }
.ai-faq-list summary::after { content: "+"; color: var(--ai-muted); }
.ai-faq-list details[open] summary::after { content: "–"; }
.ai-faq-list p { padding: 0 0 24px; }

.ai-cta {
  width: min(860px, calc(100vw - 40px));
  margin: 0 auto;
  padding: clamp(90px, 13vw, 170px) 0;
  text-align: center;
}
.ai-cta h2 { font-size: clamp(52px, 6vw, 90px); line-height: .94; }
.ai-cta > p { max-width: 620px; margin: 20px auto 34px; }
.ai-demo-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  padding: 20px;
  border: 1px solid var(--ai-line);
  border-radius: 28px;
  background: #fff;
  text-align: left;
}
.ai-demo-form label { display: grid; gap: 8px; }
.ai-demo-form label:nth-of-type(3), .ai-demo-form button { grid-column: 1 / -1; }
.ai-demo-form span { color: var(--ai-muted); font-size: 13px; font-weight: 600; }
.ai-demo-form input,
.ai-demo-form textarea {
  width: 100%;
  border: 1px solid var(--ai-line);
  border-radius: 18px;
  background: var(--ai-bg);
  padding: 14px 16px;
  color: var(--ai-ink);
  resize: vertical;
}
.ai-demo-form button { border: 0; color: #fff; background: #000; cursor: pointer; }

.ai-footer {
  width: min(var(--ai-max), calc(100vw - 40px));
  min-height: 120px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  margin: 0 auto;
  border-top: 1px solid var(--ai-line);
}
.ai-footer nav { display: flex; gap: 24px; color: var(--ai-muted); font-size: 14px; }

@media (max-width: 900px) {
  .ai-nav { grid-template-columns: 1fr; }
  .ai-nav-links,
  .ai-nav-cta { display: none; }
  .ai-hero {
    padding-top: 72px;
    overflow: hidden;
  }
  .ai-hero h1 {
    max-width: 100%;
    font-size: clamp(42px, 12vw, 62px);
    overflow-wrap: normal;
  }
  .ai-hero-copy {
    max-width: 100%;
    font-size: 17px;
    overflow-wrap: anywhere;
  }
  .ai-demo-card { min-height: 520px; }
  .ai-call-bubble { width: min(310px, 72vw); }
  .ai-call-bubble-a, .ai-call-bubble-c { left: 8%; }
  .ai-call-bubble-b { left: 16%; right: auto; }
  .ai-split,
  .ai-calculator { grid-template-columns: 1fr; }
  .ai-use-grid,
  .ai-pricing-grid { grid-template-columns: 1fr; }
  .ai-use-card { min-height: auto; }
  .ai-mini-ui { min-height: 340px; }
  .ai-business-grid,
  .ai-proof-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ai-price-card.is-featured { transform: none; margin-top: 42px; }
  .ai-calc-controls { border-right: 0; border-bottom: 1px solid var(--ai-line); }
}

@media (max-width: 560px) {
  .ai-page { background: var(--ai-bg); }
  .ai-nav {
    width: auto;
    max-width: none;
    margin-left: 28px;
    margin-right: 28px;
    min-height: 62px;
  }
  .ai-brand { font-size: 19px; }
  .ai-nav-cta { min-height: 42px; padding: 0 16px; font-size: 13px; }
  .ai-hero {
    width: auto;
    max-width: none;
    margin-left: 28px;
    margin-right: 28px;
  }
  .ai-hero h1 { font-size: clamp(34px, 10vw, 40px); line-height: 1; }
  .ai-desktop-line { display: none !important; }
  .ai-mobile-line { display: block !important; }
  .ai-hero-copy {
    max-width: 250px;
    margin-left: auto;
    margin-right: auto;
    font-size: 16px;
  }
  .ai-hero-actions, .ai-button {
    width: 100%;
    max-width: 250px;
    margin-left: auto;
    margin-right: auto;
  }
  .ai-demo-card,
  .ai-section,
  .ai-use-grid,
  .ai-business-grid,
  .ai-proof-grid,
  .ai-pricing-grid,
  .ai-calculator,
  .ai-footer {
    width: min(334px, calc(100vw - 56px));
    max-width: none;
    margin-left: 28px;
    margin-right: auto;
  }
  .ai-demo-card {
    min-height: 470px;
    border-radius: 20px;
  }
  .ai-call-bubble { min-height: 72px; padding: 14px 16px; font-size: 15px; }
  .ai-business-grid,
  .ai-proof-grid { grid-template-columns: 1fr; }
  .ai-business-grid article, .ai-proof-grid article { min-height: 210px; }
  .ai-business-grid span { margin-bottom: 34px; }
  .ai-calc-result > strong { font-size: 52px; }
  .ai-calc-result > div { flex-direction: column; gap: 16px; }
  .ai-demo-form { grid-template-columns: 1fr; }
  .ai-demo-form label:nth-of-type(3), .ai-demo-form button { grid-column: auto; }
  .ai-footer { flex-direction: column; align-items: flex-start; justify-content: center; padding: 34px 0; }
  .ai-footer nav { flex-wrap: wrap; }
}