:root {
  --navy: #05183e;
  --ink: #1c2b4a;
  --muted: #5b6b8c;
  --blue: #1f7bff;
  --blue-d: #0a63e0;
  --sky: #e8f1ff;
  --orange: #ff9a1a;
  --line: #e1e8f4;
  --bg: #f6f9ff;
  --ok: #12a150;
  --err: #d6334a;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(10, 26, 63, .08);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif; color: var(--ink); background: #fff; line-height: 1.55; -webkit-font-smoothing: antialiased; }
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; }
.container { width: 100%; max-width: 1140px; margin: 0 auto; padding: 0 20px; }

/* кнопки */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 0; cursor: pointer; font: inherit; font-weight: 600; padding: 12px 22px; border-radius: 12px; transition: transform .12s, box-shadow .12s, background .12s; text-decoration: none !important; }
.btn-primary { background: var(--blue); color: #fff; box-shadow: 0 6px 16px rgba(31, 123, 255, .32); }
.btn-primary:hover { background: var(--blue-d); transform: translateY(-1px); }
.btn-ghost { background: #fff; color: var(--navy); border: 1px solid var(--line); }
.btn-ghost:hover { border-color: var(--blue); color: var(--blue); }
.btn-lg { padding: 15px 28px; font-size: 17px; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: .55; cursor: not-allowed; transform: none; }

/* шапка */
.site-header { position: sticky; top: 0; z-index: 20; background: rgba(255, 255, 255, .92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.site-header .container { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 16px; }
.site-header img.logo { height: 38px; width: auto; display: block; }
.nav { display: flex; gap: 26px; }
.nav a { color: var(--ink); font-weight: 500; }
.nav a:hover { color: var(--blue); text-decoration: none; }
.header-actions { display: flex; gap: 10px; align-items: center; }

/* hero */
.hero { background: radial-gradient(1000px 420px at 80% -10%, #dcebff 0, transparent 70%), linear-gradient(180deg, var(--bg), #fff); padding: 64px 0 56px; }
.hero .container { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
.eyebrow { display: inline-block; background: var(--sky); color: var(--blue-d); font-weight: 600; font-size: 14px; padding: 6px 14px; border-radius: 999px; margin-bottom: 18px; }
.hero h1 { font-size: 46px; line-height: 1.12; margin: 0 0 18px; color: var(--navy); letter-spacing: -.02em; }
.hero h1 span { color: var(--blue); }
.hero p.lead { font-size: 19px; color: var(--muted); margin: 0 0 28px; max-width: 520px; }
.hero .cta { display: flex; gap: 12px; flex-wrap: wrap; }
.hero .note { margin-top: 16px; font-size: 14px; color: var(--muted); }
.checks { list-style: none; padding: 0; margin: 26px 0 0; display: grid; gap: 8px; color: var(--ink); }
.checks li::before { content: "✓"; color: var(--ok); font-weight: 800; margin-right: 10px; }

/* макет интерфейса */
.mock { background: #fff; border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow); overflow: hidden; }
.mock-bar { display: flex; gap: 6px; padding: 12px 14px; background: #f1f5fc; border-bottom: 1px solid var(--line); }
.mock-bar i { width: 10px; height: 10px; border-radius: 50%; background: #cfd9ec; display: block; }
.mock-body { padding: 20px; }
.mock-kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 16px; }
.kpi { background: var(--bg); border-radius: 12px; padding: 12px 14px; }
.kpi small { color: var(--muted); display: block; font-size: 12px; }
.kpi b { font-size: 20px; color: var(--navy); }
.mock-rows { display: grid; gap: 8px; }
.mock-row { display: flex; align-items: center; justify-content: space-between; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; font-size: 14px; }
.tag { font-size: 12px; font-weight: 600; padding: 3px 10px; border-radius: 999px; }
.tag.ok { background: #e3f6ec; color: var(--ok); }
.tag.wait { background: #fff3df; color: #b86b00; }
.tag.new { background: var(--sky); color: var(--blue-d); }

/* секции */
section.block { padding: 72px 0; }
section.alt { background: var(--bg); }
.section-title { text-align: center; max-width: 700px; margin: 0 auto 44px; }
.section-title h2 { font-size: 34px; margin: 0 0 12px; color: var(--navy); letter-spacing: -.01em; }
.section-title p { color: var(--muted); font-size: 18px; margin: 0; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; box-shadow: 0 2px 10px rgba(10, 26, 63, .04); }
.card h3 { margin: 14px 0 8px; font-size: 19px; color: var(--navy); }
.card p { margin: 0; color: var(--muted); }
.ico { width: 46px; height: 46px; border-radius: 12px; background: var(--sky); display: grid; place-items: center; font-size: 22px; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; counter-reset: s; }
.step { position: relative; padding: 24px 24px 24px 24px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.step::before { counter-increment: s; content: counter(s); display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; background: var(--blue); color: #fff; font-weight: 700; margin-bottom: 12px; }
.step h3 { margin: 0 0 6px; color: var(--navy); }
.step p { margin: 0; color: var(--muted); }

/* тариф */
.pricing { max-width: 880px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: stretch; }
.plan { background: #fff; border: 2px solid var(--blue); border-radius: 20px; padding: 32px; box-shadow: var(--shadow); }
.plan .price { font-size: 48px; font-weight: 800; color: var(--navy); letter-spacing: -.02em; }
.plan .price small { font-size: 18px; font-weight: 500; color: var(--muted); }
.plan ul { list-style: none; padding: 0; margin: 20px 0 26px; display: grid; gap: 9px; }
.plan li::before { content: "✓"; color: var(--ok); font-weight: 800; margin-right: 10px; }
.calc { background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 32px; }
.calc h3 { margin: 0 0 18px; color: var(--navy); }
.calc input[type=range] { width: 100%; accent-color: var(--blue); }
.calc .objs { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 8px; }
.calc .objs b { font-size: 30px; color: var(--navy); }
.calc .total { margin-top: 20px; padding-top: 18px; border-top: 1px dashed var(--line); display: flex; justify-content: space-between; align-items: baseline; }
.calc .total b { font-size: 34px; color: var(--blue-d); }
.calc .hint { color: var(--muted); font-size: 14px; margin-top: 8px; }

/* FAQ */
.faq { max-width: 780px; margin: 0 auto; display: grid; gap: 12px; }
.faq details { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 16px 20px; }
.faq summary { cursor: pointer; font-weight: 600; color: var(--navy); }
.faq details[open] summary { margin-bottom: 8px; }
.faq p { margin: 0; color: var(--muted); }

.cta-band { background: linear-gradient(120deg, var(--navy), #0a3a8c); color: #fff; border-radius: 22px; padding: 44px; text-align: center; }
.cta-band h2 { margin: 0 0 10px; font-size: 32px; }
.cta-band p { margin: 0 0 22px; color: #cfe0ff; font-size: 18px; }
.site-footer { border-top: 1px solid var(--line); padding: 30px 0; color: var(--muted); font-size: 14px; }
.site-footer .container { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.site-footer a { color: var(--muted); margin-left: 16px; }

/* страницы входа и регистрации */
.auth { min-height: 100vh; display: grid; grid-template-columns: 1fr 1fr; }
.auth-form { display: flex; flex-direction: column; justify-content: center; padding: 40px 6vw; background: #fff; }
.auth-form .brand img { height: 42px; display: block; margin-bottom: 28px; }
.auth-form h1 { margin: 0 0 6px; font-size: 28px; color: var(--navy); }
.auth-form .sub { margin: 0 0 24px; color: var(--muted); }
.auth-box { width: 100%; max-width: 420px; }
.field { margin-bottom: 14px; }
.field label { display: block; font-weight: 600; font-size: 14px; margin-bottom: 6px; color: var(--navy); }
.field input[type=text], .field input[type=email], .field input[type=tel], .field input[type=password] { width: 100%; font: inherit; padding: 12px 14px; border: 1px solid #cdd8ec; border-radius: 10px; background: #fff; transition: border .12s, box-shadow .12s; }
.field input:focus { outline: 0; border-color: var(--blue); box-shadow: 0 0 0 4px rgba(31, 123, 255, .15); }
.field .help { font-size: 13px; color: var(--muted); margin-top: 5px; }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: var(--muted); margin: 6px 0 18px; }
.check input { margin-top: 3px; accent-color: var(--blue); }
.alert { padding: 12px 14px; border-radius: 10px; margin-bottom: 16px; font-size: 15px; }
.alert.err { background: #fdecef; color: #8f1d30; border: 1px solid #f6c3cc; }
.alert.ok { background: #e6f7ee; color: #0b6b36; border: 1px solid #b9e6cc; }
.alert.info { background: var(--sky); color: #0b3f91; border: 1px solid #c4dbff; }
.auth-links { margin-top: 18px; font-size: 15px; color: var(--muted); }
.auth-links a { font-weight: 600; }
.auth-side { background: radial-gradient(700px 400px at 20% 0, #2d8bff 0, transparent 60%), linear-gradient(160deg, #0a3a8c, var(--navy)); color: #fff; display: flex; flex-direction: column; justify-content: center; padding: 40px 6vw; }
.auth-side h2 { font-size: 30px; line-height: 1.2; margin: 0 0 18px; }
.auth-side ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; font-size: 17px; }
.auth-side li::before { content: "✓"; display: inline-grid; place-items: center; width: 24px; height: 24px; margin-right: 12px; border-radius: 50%; background: rgba(255, 255, 255, .18); font-size: 14px; }
.auth-side .quote { margin-top: 36px; padding: 18px; background: rgba(255, 255, 255, .1); border-radius: 14px; font-size: 15px; color: #dce9ff; }

/* ввод кода */
.code-row { display: flex; gap: 10px; justify-content: space-between; margin: 8px 0 18px; }
.code-row input { width: 100%; min-width: 0; text-align: center; font-size: 28px; font-weight: 700; padding: 12px 0; border: 1px solid #cdd8ec; border-radius: 12px; font-family: Consolas, Menlo, monospace; color: var(--navy); }
.code-row input:focus { outline: 0; border-color: var(--blue); box-shadow: 0 0 0 4px rgba(31, 123, 255, .15); }
.status-line { display: flex; align-items: center; gap: 10px; background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: 10px 14px; font-size: 14px; color: var(--muted); margin-bottom: 16px; }
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--ok); flex: none; }
.legal { max-width: 820px; margin: 40px auto; padding: 0 20px 60px; }
.legal h1 { color: var(--navy); }
.legal h2 { color: var(--navy); margin-top: 28px; }

@media (max-width: 900px) {
  .hero .container, .pricing, .grid3, .steps { grid-template-columns: 1fr; }
  .hero h1 { font-size: 34px; }
  .nav { display: none; }
  .auth { grid-template-columns: 1fr; }
  .auth-side { display: none; }
  section.block { padding: 48px 0; }
  .cta-band { padding: 30px 20px; }
  .header-actions .btn-ghost { display: none; }
  .hide-m { display: none; }
  .site-header img.logo { height: 32px; }
  .header-actions .btn { padding: 9px 16px; font-size: 15px; white-space: nowrap; }
}

/* контакты */
.contacts { padding-top: 28px; padding-bottom: 56px; max-width: 980px; }
.crumbs { font-size: 14px; color: var(--muted); margin-bottom: 14px; display: flex; gap: 8px; }
.crumbs a { color: var(--muted); }
.contacts h1 { font-size: 38px; margin: 0 0 4px; color: var(--navy); }
.contacts h2 { font-size: 22px; margin: 36px 0 14px; color: var(--navy); }
.updated { color: var(--muted); font-size: 14px; margin-bottom: 14px; }
.lead-c { font-size: 18px; color: var(--muted); max-width: 720px; margin: 0; }
.mgr-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.mgr-top { display: flex; align-items: center; gap: 14px; margin-bottom: 14px; }
.avatar { width: 52px; height: 52px; border-radius: 50%; background: linear-gradient(135deg, var(--blue), #4fb0ff); color: #fff; display: grid; place-items: center; font-size: 22px; font-weight: 700; flex: none; }
.mgr-name { font-weight: 700; font-size: 19px; color: var(--navy); }
.mgr-role { color: var(--muted); font-size: 14px; }
.mgr-list, .req { margin: 0; display: grid; gap: 10px; }
.mgr-list > div, .req > div { display: grid; grid-template-columns: 110px 1fr; gap: 10px; align-items: baseline; }
.req > div { grid-template-columns: 190px 1fr; }
.mgr-list dt, .req dt { color: var(--muted); font-size: 14px; }
.mgr-list dd, .req dd { margin: 0; font-weight: 500; }
.qr-row { display: flex; gap: 16px; margin-top: 18px; padding-top: 16px; border-top: 1px dashed var(--line); }
.qr { width: 104px; text-align: center; font-size: 12px; color: var(--muted); }
.qr svg { width: 104px; height: 104px; display: block; margin-bottom: 4px; }
.qr-note { color: var(--muted); font-size: 14px; margin: 12px 0 0; }
.gen-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.gen-label { color: var(--muted); font-size: 14px; margin-bottom: 4px; }
.gen-val { font-size: 22px; font-weight: 700; color: var(--navy); }
.owner p { margin: 0 0 8px; }
.owner-name { font-weight: 700; color: var(--navy); margin-bottom: 14px !important; }
@media (max-width: 700px) {
  .mgr-grid, .gen-grid { grid-template-columns: 1fr; }
  .req > div { grid-template-columns: 1fr; gap: 2px; }
  .contacts h1 { font-size: 30px; }
}