:root {
    --paper: #f2f6f7; --card: #fff; --ink: #16282e; --muted: #5d7078;
    --faint: #8fa0a7; --line: #dbe3e6; --grid: #e8eef0;
    --brand: #0e7490; --brand-dark: #0b5d74; --brand-wash: #e3f1f5;
    --amber: #b45309; --amber-wash: #fbf1e3;
    --display: "Unbounded", system-ui, sans-serif;   /* лого, h1, цены — кириллица есть */
    --head: "Manrope", system-ui, sans-serif;         /* заголовки секций и цифры */
    --mono: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, monospace;
  }
  * { box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body {
    margin: 0; background: var(--paper); color: var(--ink);
    font: 16px/1.6 system-ui, -apple-system, "Segoe UI", sans-serif;
  }
  a { color: var(--brand-dark); }
  .wrap { max-width: 1020px; margin: 0 auto; padding: 0 24px; }
  section { padding: 56px 0 8px; scroll-margin-top: 76px; }
  h1, .logo, .price { font-family: var(--display); }
  h2, h3 { font-family: var(--head); }
  section h2 { font-size: 26px; font-weight: 800; letter-spacing: -0.01em; margin: 0 0 8px; text-wrap: balance; }
  .lead { color: var(--muted); max-width: 62ch; margin: 0 0 24px; }
  .eyebrow {
    font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em;
    text-transform: uppercase; color: var(--brand-dark); margin-bottom: 6px;
  }

  /* -- шапка ---------------------------------------------------------------- */
  header.top {
    position: sticky; top: 0; z-index: 20;
    background: color-mix(in srgb, var(--paper) 88%, transparent);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--line);
  }
  header.top .wrap { display: flex; align-items: center; gap: 22px; padding-top: 12px; padding-bottom: 12px; }
  .logo { font-size: 17px; font-weight: 600; color: var(--brand-dark); letter-spacing: 0.01em; text-decoration: none; }
  .logo span { color: var(--faint); font-weight: 500; }
  nav.tabs { display: flex; gap: 4px; margin-left: auto; overflow-x: auto; }
  nav.tabs a {
    text-decoration: none; color: var(--muted); font-size: 14px; font-weight: 500;
    padding: 6px 11px; border-radius: 999px; white-space: nowrap;
  }
  nav.tabs a:hover { background: var(--grid); color: var(--ink); }
  nav.tabs a.on { background: var(--brand-wash); color: var(--brand-dark); }
  .btn {
    display: inline-block; background: var(--brand); color: #fff;
    padding: 10px 20px; border-radius: 9px; text-decoration: none; font-weight: 600;
  }
  .btn:hover { background: var(--brand-dark); }
  .btn.ghost { background: none; color: var(--brand-dark); border: 1px solid var(--line); }
  .btn.sm { padding: 7px 15px; font-size: 14px; }

  /* -- hero + лента (подпись продукта) --------------------------------------- */
  .hero { padding: 64px 0 48px; }
  .hero h1 {
    font-size: clamp(24px, 3.6vw, 36px); line-height: 1.22; font-weight: 600;
    letter-spacing: -0.01em; margin: 0 0 18px; max-width: 21ch; text-wrap: balance;
  }
  .hero p.sub { font-size: 18px; color: var(--muted); max-width: 54ch; margin: 0 0 26px; }
  .cta-row { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
  .note { font-size: 13.5px; color: var(--faint); max-width: 34ch; }

  .flow {
    position: relative; display: flex; align-items: stretch;
    background: var(--card); border: 1px solid var(--line); border-radius: 14px;
    padding: 22px 8px; margin: 46px 0 0; overflow-x: auto;
  }
  .flow-step { flex: 1; min-width: 122px; padding: 0 18px; }
  .flow-step .k { font-family: var(--mono); font-size: 11px; letter-spacing: 0.09em; text-transform: uppercase; color: var(--faint); margin-bottom: 4px; }
  .flow-step .v { font-family: var(--head); font-size: 25px; font-weight: 800; font-variant-numeric: tabular-nums; white-space: nowrap; }
  .flow-step .v small { font-size: 13px; font-weight: 500; color: var(--muted); margin-left: 4px; font-family: system-ui, sans-serif; }
  .flow-step.money .v { color: var(--brand-dark); }
  .flow-join { flex: none; align-self: center; text-align: center; color: var(--faint); font-size: 12px; padding: 0 8px; border-left: 1px solid var(--line); min-width: 72px; }
  .flow-join b { display: block; color: var(--muted); font-size: 13px; }
  /* сессия-точка, «протекающая» по ленте от расхода к выручке */
  .flow .pulse {
    position: absolute; top: 8px; left: 0; width: 7px; height: 7px; border-radius: 50%;
    background: var(--brand); opacity: 0; animation: travel 5.2s ease-in-out 1.2s infinite;
  }
  @keyframes travel {
    0% { left: 3%; opacity: 0; }
    8% { opacity: 0.85; }
    46% { left: 48%; opacity: 0.85; }
    92% { left: 95%; opacity: 0.85; }
    100% { left: 96%; opacity: 0; }
  }
  .flow-caption { font-size: 13px; color: var(--faint); margin-top: 10px; }

  /* -- карточки ---------------------------------------------------------------- */
  .cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 14px; }
  .card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 20px; }
  .card h3 { font-size: 17px; margin: 0 0 8px; }
  .card p { margin: 0; color: var(--muted); font-size: 14.5px; }
  .tag {
    display: inline-block; font-family: var(--mono); font-size: 10.5px;
    letter-spacing: 0.08em; text-transform: uppercase; color: var(--brand-dark);
    background: var(--brand-wash); border-radius: 999px; padding: 2px 10px; margin-bottom: 10px;
  }
  .card.lost .tag { color: var(--amber); background: var(--amber-wash); }

  /* -- каналы ------------------------------------------------------------------ */
  .chips { display: flex; flex-wrap: wrap; gap: 10px; margin: 18px 0 22px; }
  .chip {
    display: flex; align-items: center; gap: 8px;
    background: var(--card); border: 1px solid var(--line); border-radius: 999px;
    padding: 8px 16px; font-size: 14.5px; font-weight: 500;
  }
  .chip i { width: 9px; height: 9px; border-radius: 50%; flex: none; }

  /* -- шаги (реальная последовательность подключения) --------------------------- */
  .steps { counter-reset: step; display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 14px; }
  .step { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px; }
  .step::before {
    counter-increment: step; content: counter(step);
    display: inline-flex; width: 26px; height: 26px; align-items: center; justify-content: center;
    background: var(--brand-wash); color: var(--brand-dark); font-weight: 700; font-size: 14px;
    border-radius: 50%; margin-bottom: 10px; font-family: var(--display);
  }
  .step b { display: block; margin-bottom: 4px; }
  .step p { margin: 0; color: var(--muted); font-size: 14px; }

  /* -- тарифы -------------------------------------------------------------------- */
  .plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; align-items: stretch; }
  .plan { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 24px; display: flex; flex-direction: column; }
  .plan.hot { border-color: var(--brand); box-shadow: 0 0 0 1px var(--brand); }
  .plan .name { font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--brand-dark); }
  .price { font-size: 27px; font-weight: 600; margin: 10px 0 2px; }
  .price small { font-size: 14px; color: var(--muted); font-weight: 500; font-family: system-ui, sans-serif; }
  .plan ul { list-style: none; margin: 14px 0 20px; padding: 0; color: var(--muted); font-size: 14.5px; }
  .plan li { padding: 5px 0; border-bottom: 1px dashed var(--grid); }
  .plan li:last-child { border-bottom: 0; }
  .plan .btn { margin-top: auto; text-align: center; }
  .plans-note { font-size: 13px; color: var(--faint); margin-top: 14px; }

  /* -- CTA-полоса + футер ----------------------------------------------------------- */
  .pilot {
    background: var(--brand-dark); color: #eaf4f7; border-radius: 16px;
    padding: 36px 32px; margin: 60px 0 0;
    display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap;
  }
  .pilot h2 { color: #fff; margin: 0 0 6px; font-size: 24px; }
  .pilot p { margin: 0; color: #b7d3dc; max-width: 48ch; }
  .pilot .btn { background: #fff; color: var(--brand-dark); }

  footer { border-top: 1px solid var(--line); margin-top: 64px; padding: 36px 0 44px; font-size: 14px; color: var(--muted); background: var(--card); }
  .foot-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 28px; }
  .foot-grid h4 { font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--faint); margin: 0 0 10px; }
  .foot-grid ul { list-style: none; margin: 0; padding: 0; }
  .foot-grid li { margin: 6px 0; }
  .foot-grid a { text-decoration: none; }
  .foot-grid a:hover { text-decoration: underline; }
  .foot-legal { border-top: 1px solid var(--grid); margin-top: 26px; padding-top: 16px; font-size: 13px; color: var(--faint); display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
  .ph { background: #fdf3d7; padding: 0 4px; border-radius: 4px; }
  @media (max-width: 720px) {
    .foot-grid { grid-template-columns: 1fr; }
    .flow-step .v { font-size: 20px; }
    nav.tabs { display: none; }
  }

  /* -- появление секций ---------------------------------------------------------- */
  .reveal { opacity: 0; transform: translateY(14px); transition: opacity 0.55s ease, transform 0.55s ease; }
  .reveal.in { opacity: 1; transform: none; }
  @media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .reveal { opacity: 1; transform: none; transition: none; }
    .flow .pulse { animation: none; display: none; }
  }

/* стрелка-связка: метрики между этапами воронки — переходы, не этапы */
.flow-join::before { content: '→'; display: block; color: var(--faint); font-size: 14px; line-height: 1; margin-bottom: 2px; }

/* переключатель языка */
.lang { display: flex; gap: 2px; font-family: var(--mono); font-size: 12px; }
.lang a { text-decoration: none; color: var(--faint); padding: 5px 8px; border-radius: 7px; }
.lang a:hover { color: var(--ink); background: var(--grid); }
.lang a.on { color: var(--brand-dark); background: var(--brand-wash); font-weight: 700; }