/* Levam landing — общий стиль (light theme) */

:root {
  --c-bg: #ffffff;
  --c-bg-alt: #f6f8fb;
  --c-text: #1f2733;
  --c-text-soft: #55616f;
  --c-muted: #7b8794;
  --c-primary: #3273ba;
  --c-primary-dark: #26578d;
  --c-accent: #e8f1fa;
  --c-border: #e3e8ee;
  --c-error: #c0392b;
  --c-success: #1e7e4e;
  --radius: 10px;
  --shadow: 0 6px 24px rgba(31, 39, 51, 0.08);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; height: auto; }

a { color: var(--c-primary); text-decoration: none; }
a:hover { color: var(--c-primary-dark); }

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- Header ---------- */

.site-header {
  border-bottom: 1px solid var(--c-border);
  background: var(--c-bg);
  position: sticky;
  top: 0;
  z-index: 50;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 64px;
  flex-wrap: wrap;
  padding-top: 8px;
  padding-bottom: 8px;
}

.logo {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--c-text);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.logo:hover { color: var(--c-primary); }

.logo .logo-mark {
  width: 30px;
  height: 30px;
  flex: none;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}

.site-nav a {
  color: var(--c-text-soft);
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 15px;
  white-space: nowrap;
}

.site-nav a:hover { background: var(--c-accent); color: var(--c-primary-dark); }

.site-nav a.nav-cta {
  background: var(--c-primary);
  color: #fff;
  font-weight: 600;
}

.site-nav a.nav-cta:hover { background: var(--c-primary-dark); color: #fff; }

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--c-border);
  background: var(--c-bg-alt);
  margin-top: 80px;
  padding: 32px 0;
  color: var(--c-muted);
  font-size: 14px;
}

.site-footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.site-footer a { color: var(--c-text-soft); }
.site-footer a:hover { color: var(--c-primary); }

/* ---------- Sections & typography ---------- */

main { display: block; }

.section { padding: 64px 0; }
.section-alt { background: var(--c-bg-alt); }

h1, h2, h3, h4 {
  line-height: 1.25;
  margin: 0 0 0.6em;
  font-weight: 700;
}

h1 { font-size: clamp(30px, 5vw, 44px); }
h2 { font-size: clamp(24px, 4vw, 34px); }
h3 { font-size: 20px; }
h4 { font-size: 17px; }

h1 span, h2 span { color: var(--c-primary); }

p { margin: 0 0 1em; }

.lead {
  font-size: 19px;
  color: var(--c-text-soft);
  max-width: 720px;
}

.center { text-align: center; }
.center .lead { margin-left: auto; margin-right: auto; }

.muted { color: var(--c-muted); }

/* ---------- Hero ---------- */

.hero { padding: 72px 0 64px; }

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.hero-art {
  background: linear-gradient(135deg, var(--c-accent), #dcebfa 60%, #cfe3f7);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 280px;
}

/* ---------- Lists ---------- */

.check-list {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
}

.check-list li {
  padding: 6px 0 6px 32px;
  position: relative;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--c-primary);
  -webkit-mask: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16"><path fill="black" d="M8 0a8 8 0 1 0 0 16A8 8 0 0 0 8 0zm3.7 5.6-4.3 5a.75.75 0 0 1-1.13.02L4.3 8.5a.75.75 0 1 1 1.1-1.02l1.4 1.5 3.77-4.37a.75.75 0 0 1 1.13.99z"/></svg>') no-repeat center / contain;
  mask: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16"><path fill="black" d="M8 0a8 8 0 1 0 0 16A8 8 0 0 0 8 0zm3.7 5.6-4.3 5a.75.75 0 0 1-1.13.02L4.3 8.5a.75.75 0 1 1 1.1-1.02l1.4 1.5 3.77-4.37a.75.75 0 0 1 1.13.99z"/></svg>') no-repeat center / contain;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 8px;
  border: 1px solid var(--c-primary);
  background: var(--c-primary);
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  transition: background 0.15s ease;
  text-align: center;
}

.btn:hover { background: var(--c-primary-dark); border-color: var(--c-primary-dark); color: #fff; }

.btn-outline {
  background: transparent;
  color: var(--c-primary);
}

.btn-outline:hover { background: var(--c-accent); color: var(--c-primary-dark); }

.btn-block { display: block; width: 100%; }

.actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* ---------- Cards ---------- */

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 32px;
}

.cards-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}

.card h3, .card h4 { margin-top: 0; }

.card .card-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--c-accent);
  color: var(--c-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}

.card .card-icon svg { width: 24px; height: 24px; }

.section-alt .card { box-shadow: none; }

/* ---------- Stats ---------- */

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 32px;
}

.stat {
  text-align: center;
  padding: 24px 12px;
  border-radius: var(--radius);
  background: var(--c-bg);
  border: 1px solid var(--c-border);
}

.stat .stat-value {
  font-size: 30px;
  font-weight: 700;
  color: var(--c-primary);
  display: block;
}

.stat .stat-label { color: var(--c-text-soft); font-size: 15px; }

/* ---------- Tags ---------- */

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-top: 24px;
}

.tag {
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--c-accent);
  color: var(--c-primary-dark);
  font-size: 14px;
}

/* ---------- Prose (privacy etc.) ---------- */

.prose { max-width: 820px; }
.prose h2 { font-size: 22px; margin-top: 1.8em; }
.prose ol, .prose ul { padding-left: 22px; }
.prose li { margin-bottom: 0.4em; }

/* ---------- Forms ---------- */

.form-page {
  max-width: 440px;
  margin: 56px auto;
  padding: 32px;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.form-page h1 { font-size: 26px; text-align: center; }

.form-group { margin-bottom: 18px; }

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--c-text-soft);
}

.form-control {
  width: 100%;
  padding: 11px 14px;
  font-size: 16px;
  font-family: var(--font);
  border: 1px solid var(--c-border);
  border-radius: 8px;
  background: var(--c-bg);
  color: var(--c-text);
}

.form-control:focus {
  outline: none;
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px rgba(50, 115, 186, 0.15);
}

.form-control.is-invalid { border-color: var(--c-error); }

.field-error {
  display: none;
  color: var(--c-error);
  font-size: 13px;
  margin-top: 5px;
}

.field-error.visible { display: block; }

.form-alert {
  display: none;
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 14px;
  margin-bottom: 18px;
}

.form-alert.visible { display: block; }

.form-alert-error {
  background: #fdecea;
  color: var(--c-error);
  border: 1px solid #f5c6c0;
}

.form-alert-success {
  background: #e8f6ee;
  color: var(--c-success);
  border: 1px solid #bfe5cf;
}

.form-links {
  text-align: center;
  font-size: 14px;
  margin-top: 18px;
  color: var(--c-muted);
}

.btn[disabled] { opacity: 0.6; cursor: not-allowed; }

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .cards, .cards-2 { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  .section { padding: 44px 0; }
  .hero { padding: 44px 0; }
  .cards, .cards-2 { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr; }
  .site-header .container { justify-content: center; }
  .site-nav { justify-content: center; }
  .form-page { margin: 24px auto; padding: 24px 18px; }
  .site-footer .container { flex-direction: column; text-align: center; }
}

/* ---------- Pricing (тарифы на главной, 2026-07-18) ---------- */

.pricing-cards { align-items: stretch; }

.pricing-card { display: flex; flex-direction: column; }

.pricing-card .btn { margin-top: auto; text-align: center; }

.pricing-label {
  color: var(--c-muted);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 8px;
}

.pricing-price { font-size: 28px; font-weight: 700; margin: 12px 0; }

.pricing-price span { font-size: 16px; font-weight: 400; color: var(--c-muted); }

.pricing-group { font-weight: 600; margin: 14px 0 6px; }

.pricing-note {
  background: var(--c-bg-alt);
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 13px;
  color: var(--c-text-soft);
  margin: 16px 0;
}

/* ---------- Footer links / реквизиты ---------- */

.footer-links { display: flex; gap: 6px 18px; flex-wrap: wrap; }

.footer-legal {
  margin-top: 14px;
  padding-top: 10px;
  border-top: 1px solid var(--c-border);
  text-align: center;
  color: var(--c-text-soft);
}