:root {
  --ink: #111318;
  --muted: #626873;
  --blue: #078bff;
  --teal: #12d6ff;
  --lime: #b8f05d;
  --paper: #f7f9fc;
  --line: rgba(17,19,24,.12);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  line-height: 1.55;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
.topbar {
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 12px clamp(18px, 5vw, 72px);
  color: #fff;
  background: #07142c;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 900; }
.brand img { width: 40px; height: 32px; object-fit: contain; }
.topbar nav { display: flex; align-items: center; gap: 20px; font-size: 14px; }
.topbar .cta, .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 8px;
  color: #07142c;
  background: var(--lime);
  font-weight: 900;
}
.hero {
  padding: clamp(72px, 9vw, 132px) clamp(18px, 7vw, 110px);
  color: #fff;
  background:
    radial-gradient(circle at 84% 28%, rgba(18,214,255,.25), transparent 28%),
    radial-gradient(circle at 70% 82%, rgba(184,240,93,.14), transparent 24%),
    #07142c;
  overflow: hidden;
}
.hero-inner { width: 100%; max-width: 980px; min-width: 0; }
.eyebrow { margin: 0 0 18px; color: var(--teal); font-weight: 900; text-transform: uppercase; font-size: 13px; }
h1 { max-width: 950px; margin: 0; font-size: clamp(42px, 7vw, 84px); line-height: .98; }
.hero p:not(.eyebrow) { max-width: 780px; margin: 24px 0; color: rgba(255,255,255,.76); font-size: clamp(18px, 2vw, 24px); }
.actions { display: flex; gap: 12px; flex-wrap: wrap; }
.btn.secondary { color: #fff; background: transparent; border: 1px solid rgba(255,255,255,.3); }
.price { margin-top: 22px; color: rgba(255,255,255,.7); }
.price strong { color: #fff; font-size: 24px; }
main > section:not(.hero) { padding: clamp(46px, 6vw, 86px) clamp(18px, 7vw, 110px); }
.intro, .use-cases, .faq, .related { max-width: 1280px; margin: 0 auto; }
h2 { max-width: 900px; margin: 0 0 26px; font-size: clamp(32px, 4.5vw, 58px); line-height: 1.05; }
.lead { max-width: 900px; color: var(--muted); font-size: 20px; }
.grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 16px; margin-top: 30px; }
.card { padding: 26px; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
.card h3 { margin: 0 0 10px; font-size: 23px; line-height: 1.15; }
.card p { margin: 0; color: var(--muted); }
.example { color: #fff; background: #11141f; }
.example-inner { max-width: 1100px; margin: 0 auto; }
.dialog { max-width: 760px; display: grid; gap: 12px; margin-top: 28px; }
.bubble { padding: 18px 20px; border-radius: 8px; background: rgba(255,255,255,.09); }
.bubble.user { margin-left: 12%; color: #07142c; background: #fff; }
.bubble.ai { margin-right: 8%; border-left: 4px solid var(--teal); }
.faq-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 14px; }
.faq-grid article { padding: 22px; border-top: 3px solid var(--blue); background: #fff; }
.faq-grid h3 { margin: 0 0 8px; }
.faq-grid p { margin: 0; color: var(--muted); }
.related-links { display: flex; flex-wrap: wrap; gap: 10px; }
.related-links a { padding: 12px 16px; border: 1px solid var(--line); border-radius: 8px; background: #fff; font-weight: 800; }
.bottom-cta { text-align: center; color: #fff; background: #078bff; }
.bottom-cta h2 { margin-inline: auto; }
.bottom-cta p { margin: 0 auto 24px; max-width: 760px; font-size: 20px; }
footer { display: flex; justify-content: space-between; gap: 18px; padding: 30px clamp(18px, 7vw, 110px); color: rgba(255,255,255,.7); background: #07142c; }
footer a { color: #fff; }
@media (max-width: 780px) {
  .topbar { gap: 10px; padding-inline: 14px; overflow: hidden; }
  .topbar nav { display: none; }
  .topbar .cta { width: 72px; flex: 0 0 72px; min-height: 40px; padding: 0 10px; font-size: 0; }
  .topbar .cta::after { content: "Демо"; font-size: 12px; }
  .grid, .faq-grid { grid-template-columns: 1fr; }
  .hero { padding-inline: 18px; }
  h1 { max-width: 100%; font-size: 38px; overflow-wrap: anywhere; }
  .hero p:not(.eyebrow) { max-width: 100%; font-size: 17px; }
  .actions { width: 100%; flex-direction: column; align-items: stretch; }
  .actions .btn { width: 100%; padding: 10px 14px; text-align: center; }
  footer { flex-direction: column; }
}