:root {
  --primary: #0f766e;
  --secondary: #14b8a6;
  --bg: #f8fafc;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #3b82f6;
  --line: #e2e8f0;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
.container { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  background: rgba(248, 250, 252, .92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}
.nav { display: flex; align-items: center; justify-content: space-between; min-height: 72px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: 0; }
.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: var(--primary);
  color: #fff;
  font-weight: 900;
}
.nav-links { display: flex; gap: 18px; color: var(--muted); font-weight: 600; font-size: 14px; }
.hero {
  min-height: calc(100vh - 72px);
  display: grid;
  align-items: center;
  padding: 58px 0 38px;
}
.hero-grid { display: grid; grid-template-columns: 1.06fr .94fr; gap: 48px; align-items: center; }
.eyebrow { color: var(--primary); font-weight: 800; margin-bottom: 14px; }
h1 { font-size: clamp(44px, 7vw, 82px); line-height: .96; margin: 0 0 22px; letter-spacing: 0; }
.lead { font-size: clamp(18px, 2.2vw, 23px); color: var(--muted); max-width: 680px; margin: 0 0 28px; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border-radius: 8px;
  padding: 0 20px;
  border: 1px solid transparent;
  font-weight: 800;
}
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 18px 32px rgba(15, 118, 110, .18); }
.btn-secondary { border-color: var(--line); background: #fff; color: var(--text); }
.phone {
  width: min(390px, 100%);
  margin-left: auto;
  border-radius: 34px;
  padding: 16px;
  background: #0f172a;
  box-shadow: 0 30px 80px rgba(15, 23, 42, .18);
}
.screen {
  min-height: 640px;
  border-radius: 24px;
  background: linear-gradient(180deg, #f8fafc 0%, #eefdfa 100%);
  padding: 22px;
  overflow: hidden;
}
.status { display: flex; justify-content: space-between; color: var(--muted); font-size: 12px; font-weight: 700; }
.app-title { margin: 26px 0 16px; }
.app-title strong { display: block; font-size: 28px; }
.summary {
  border-radius: 16px;
  padding: 18px;
  background: var(--primary);
  color: white;
  margin-bottom: 14px;
}
.summary span { opacity: .78; font-size: 13px; }
.summary b { display: block; font-size: 34px; line-height: 1.1; }
.mini-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 14px; }
.mini-card, .list-row {
  background: #fff;
  border: 1px solid rgba(226, 232, 240, .86);
  border-radius: 12px;
  padding: 14px;
}
.mini-card span, .list-row span { color: var(--muted); font-size: 12px; }
.mini-card b { display: block; font-size: 18px; margin-top: 4px; }
.income { color: var(--success); }
.expense { color: var(--danger); }
.list-row { display: flex; align-items: center; justify-content: space-between; margin-top: 10px; gap: 12px; }
.section { padding: 72px 0; }
.section h2 { font-size: clamp(28px, 4vw, 42px); line-height: 1.08; margin: 0 0 14px; letter-spacing: 0; }
.section-intro { color: var(--muted); max-width: 700px; margin: 0 0 30px; }
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.feature-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px;
}
.icon {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  background: #ccfbf1;
  color: var(--primary);
  font-weight: 900;
  margin-bottom: 14px;
}
.feature-card h3 { margin: 0 0 8px; font-size: 18px; }
.feature-card p { margin: 0; color: var(--muted); }
.trust, .pricing {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 30px;
}
.pricing strong { display: block; color: var(--primary); font-size: clamp(28px, 4vw, 44px); line-height: 1; margin: 10px 0; }
.footer {
  border-top: 1px solid var(--line);
  padding: 30px 0;
  color: var(--muted);
}
.footer .container { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.footer-links { display: flex; flex-wrap: wrap; gap: 14px; }
.page { padding: 70px 0; }
.page article {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: clamp(22px, 4vw, 42px);
}
.page h1 { font-size: clamp(34px, 5vw, 54px); }

@media (max-width: 860px) {
  .nav-links { display: none; }
  .hero { min-height: auto; }
  .hero-grid { grid-template-columns: 1fr; }
  .phone { margin: 0 auto; }
  .screen { min-height: 560px; }
  .features { grid-template-columns: 1fr; }
}