:root {
  color-scheme: light;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #182b36;
  background: #f8fafb;
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
  --muted: #5c6d78;
  --blue: #126e9e;
  --line: #dfe7eb;
}

* { box-sizing: border-box; }
body { margin: 0; }
a { color: inherit; }
a:focus-visible { outline: 3px solid var(--blue); outline-offset: 5px; }
::selection { background: #d4eaf5; }
.page { width: min(100% - 64px, 1040px); margin: 0 auto; }
.topbar { display: flex; align-items: center; justify-content: space-between; padding: 28px 0; border-bottom: 1px solid var(--line); }
.wordmark { display: inline-flex; align-items: center; gap: 8px; font-size: 21px; font-weight: 750; letter-spacing: -1px; text-decoration: none; }
.wordmark img { width: 32px; height: 32px; object-fit: contain; }
.brand-dot { color: var(--blue); }
.status { display: inline-flex; align-items: center; gap: 8px; font-size: 12px; color: var(--muted); }
.status > span { width: 7px; height: 7px; border-radius: 50%; background: #71927a; }
.hero { display: grid; grid-template-columns: 1.1fr 1fr; align-items: center; gap: 68px; padding: 68px 0; }
.eyebrow { margin: 0 0 14px; font-size: 11px; font-weight: 650; letter-spacing: 1.5px; text-transform: uppercase; color: var(--blue); }
h1 { display: flex; align-items: center; gap: 14px; margin: 0 0 12px; font-size: clamp(44px, 7vw, 88px); line-height: 1; letter-spacing: -3px; font-weight: 750; }
h1 img { flex-shrink: 0; width: .9em; height: .9em; object-fit: contain; }
.tagline { margin: 0; font-size: clamp(19px, 2.4vw, 25px); line-height: 1.4; letter-spacing: -.7px; }
.hero-description { margin: 24px 0; color: var(--muted); font-size: 16px; line-height: 1.8; }
.hero-links { display: flex; flex-wrap: wrap; gap: 24px; font-size: 13px; font-weight: 600; }
.hero-links a { text-decoration: none; padding: 4px 0; border-bottom: 1px solid #b8ccd7; }
.hero-links a:first-child { color: var(--blue); }
.hero-links span { margin-left: 7px; }
.compatibility { margin: 24px 0 0; font-size: 11px; color: var(--muted); }
.demo { margin: 0; padding: 22px; border: 1px solid var(--line); border-radius: 18px; background: #fff; box-shadow: 0 12px 36px #223e4d06; }
.demo figcaption { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 22px; color: var(--muted); font-size: 11px; }
.demo figcaption > span { border: 1px solid var(--line); border-radius: 4px; padding: 3px 6px; font-size: 10px; }
.prompt { padding: 15px; background: #f6f8f7; border-radius: 10px; }
.message-heading { display: flex; align-items: center; gap: 9px; font-size: 12px; font-weight: 600; }
.app-icon { display: grid; place-items: center; flex-shrink: 0; width: 28px; height: 28px; border-radius: 8px; font-size: 19px; }
.ai-icon { background: #e4ece7; color: #3a6854; }
.prompt p { margin: 12px 0 0; color: #425761; font-size: 13px; line-height: 1.7; }
.pipeline { display: flex; align-items: center; justify-content: center; gap: 12px; padding: 12px 0; font-size: 10px; font-weight: 600; letter-spacing: 1px; color: var(--muted); }
.pipeline span { color: #86a2b1; font-size: 16px; }
.telegram { padding: 15px; background: #edf6fb; border: 1px solid #dfedf5; border-radius: 10px; }
.telegram-icon { background: #2188bc; color: #fff; }
.message-heading small { display: block; margin-top: 3px; color: var(--muted); font-size: 10px; font-weight: 400; }
.post { margin-top: 12px; padding: 12px 14px 8px; border-radius: 2px 10px 10px; background: #fff; }
.post p { margin: 0 0 7px; font-size: 12px; line-height: 1.65; }
.post .post-title { font-weight: 650; }
.message-time { display: block; text-align: right; color: var(--muted); font-size: 9px; }
.notification { display: flex; align-items: center; gap: 10px; margin-top: 16px; }
.notification-dot { flex-shrink: 0; width: 7px; height: 7px; border-radius: 50%; background: #2188bc; }
.notification p { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.7; }
.notification strong { color: #425761; font-weight: 600; }
.story { display: grid; grid-template-columns: 1fr 1fr; gap: 68px; padding: 32px 0 42px; border-top: 1px solid var(--line); }
h2 { margin: 0; font-size: 22px; font-weight: 600; line-height: 1.35; letter-spacing: -.7px; }
.story > div > p:last-child, .pricing > div:first-child > p:last-child { margin: 12px 0 0; color: var(--muted); font-size: 14px; line-height: 1.8; }
.pricing { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 12px 24px; padding: 28px 32px; border: 1px solid #d5e6ef; border-radius: 12px; background: #eef5f9; scroll-margin-top: 24px; }
.pricing .eyebrow { margin-bottom: 8px; }
.pricing h2 { font-size: 21px; }
.purchase { display: flex; align-items: center; gap: 24px; }
.purchase .price { margin: 0; font-size: 34px; font-weight: 600; letter-spacing: -1.5px; white-space: nowrap; }
.price span { font-size: 12px; font-weight: 400; letter-spacing: 0; color: var(--muted); }
.button { display: inline-flex; align-items: center; justify-content: space-between; gap: 28px; min-height: 46px; padding: 12px 18px; background: var(--blue); border-radius: 7px; color: #fff; font-size: 13px; font-weight: 600; text-decoration: none; }
.button:hover { background: #0b567e; }
.availability { grid-column: 1 / -1; margin: 0; font-size: 11px; color: var(--muted); }
.installation { padding: 48px 0; scroll-margin-top: 24px; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; }
.section-heading .eyebrow { margin-bottom: 10px; }
.section-heading > p { margin: 0 0 3px; color: var(--muted); font-size: 11px; white-space: nowrap; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; list-style: none; margin: 28px 0 0; padding: 0; }
.steps li { padding-top: 16px; border-top: 1px solid var(--line); }
.step-number { color: var(--blue); font-size: 12px; font-variant-numeric: tabular-nums; }
h3 { margin: 14px 0 8px; font-size: 15px; font-weight: 600; }
.steps p { margin: 0; font-size: 13px; line-height: 1.8; color: var(--muted); }
.steps a { color: var(--blue); text-underline-offset: 3px; }
.setup-note { margin: 24px 0 0; color: var(--muted); font-size: 11px; line-height: 1.7; }
footer { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px 24px; border-top: 1px solid var(--line); padding: 24px 0 28px; }
footer .wordmark { font-size: 17px; }
footer p, footer > span { margin: 0; color: var(--muted); font-size: 11px; }

@media (max-width: 900px) {
  .hero { gap: 32px; }
  .story { gap: 32px; }
  .pricing { grid-template-columns: 1fr; }
  .purchase { margin: 8px 0 4px; }
  .section-heading { align-items: start; flex-direction: column; gap: 12px; }
}

@media (max-width: 640px) {
  .page { width: min(100% - 40px, 440px); }
  .topbar { padding: 22px 0; }
  .hero { grid-template-columns: 1fr; padding: 40px 0; gap: 32px; }
  h1 { font-size: clamp(46px, 12vw, 68px); gap: 12px; }
  .tagline { font-size: 22px; }
  .hero-description { font-size: 15px; }
  .demo { padding: 18px; }
  .story { grid-template-columns: 1fr; gap: 28px; padding: 30px 0; }
  h2 { font-size: 21px; }
  .pricing { padding: 24px; }
  .purchase { flex-wrap: wrap; gap: 16px 24px; }
  .installation { padding: 36px 0; }
  .steps { grid-template-columns: 1fr; gap: 22px; }
  .steps h3 { margin-top: 10px; }
  footer { justify-content: start; }
  footer > span { flex-basis: 100%; }
}