/* OzonShield — лендинг. Тёмная тема, акцент #db143c. Чистый CSS, без сборки. */

:root {
  --bg:            #141414;
  --bg-elevated:   #1c1c1c;
  --card:          #1f1f1f;
  --card-hover:    #242424;
  --border:        #333333;
  --fg:            #fafafa;
  --fg-dim:        #d4d4d4;
  --muted:         #9a9a9a;
  --primary:       #db143c;
  --primary-glow:  #ec3a5e;
  --primary-deep:  #b30f30;
  --radius:        14px;
  --maxw:          1080px;
  --gradient-primary: linear-gradient(135deg, #db143c 0%, #ec3a5e 100%);
  --shadow-primary:   0 14px 44px -12px rgba(219, 20, 60, .55);
  --shadow-card:      0 8px 28px rgba(0, 0, 0, .45);
  --transition:       all .25s cubic-bezier(.4, 0, .2, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Space Grotesk', ui-sans-serif, system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(20, 20, 20, .82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 19px;
  letter-spacing: -.02em;
}
.logo svg { width: 28px; height: 28px; flex-shrink: 0; }
.logo span b { color: var(--primary); font-weight: 700; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  padding: 13px 26px;
  border-radius: 11px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: var(--shadow-primary);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 18px 52px -12px rgba(219, 20, 60, .7); }
.btn-ghost {
  background: transparent;
  color: var(--fg);
  border-color: var(--border);
}
.btn-ghost:hover { background: var(--card-hover); border-color: #4a4a4a; }
.btn-sm { padding: 9px 18px; font-size: 14px; }
.btn-lg { padding: 16px 34px; font-size: 16px; }

/* ---------- sections ---------- */
section { padding: 84px 0; }
.section-head { text-align: center; max-width: 620px; margin: 0 auto 52px; }
.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--primary-glow);
  margin-bottom: 14px;
}
h2 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  letter-spacing: -.03em;
  line-height: 1.15;
}
.section-head p { color: var(--muted); margin-top: 14px; font-size: 17px; }

/* ---------- hero ---------- */
.hero {
  position: relative;
  padding: 96px 0 104px;
  text-align: center;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  top: -240px; left: 50%;
  transform: translateX(-50%);
  width: 760px; height: 560px;
  background: radial-gradient(ellipse at center, rgba(219, 20, 60, .26) 0%, transparent 68%);
  pointer-events: none;
}
.hero .wrap { position: relative; }
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--fg-dim);
  background: var(--card);
  border: 1px solid var(--border);
  padding: 7px 15px;
  border-radius: 999px;
  margin-bottom: 26px;
}
.badge .dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--primary-glow);
  box-shadow: 0 0 8px var(--primary-glow);
}
h1 {
  font-size: clamp(34px, 6vw, 60px);
  font-weight: 700;
  letter-spacing: -.04em;
  line-height: 1.08;
  max-width: 840px;
  margin: 0 auto;
}
h1 .accent {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-sub {
  max-width: 600px;
  margin: 24px auto 0;
  font-size: 18px;
  color: var(--muted);
}
.hero-cta {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 36px;
}
.hero-trust {
  margin-top: 22px;
  font-size: 14px;
  color: var(--muted);
}
.hero-trust b { color: var(--fg-dim); font-weight: 600; }

/* ---------- problem ---------- */
.problem { background: var(--bg-elevated); }
.problem .wrap { max-width: 760px; text-align: center; }
.problem h2 { margin-bottom: 18px; }
.problem p { font-size: 18px; color: var(--fg-dim); }
.problem p .hl { color: var(--primary-glow); font-weight: 600; }

/* ---------- steps ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.step {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: var(--transition);
}
.step:hover { border-color: #454545; transform: translateY(-4px); }
.step-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px; height: 38px;
  border-radius: 10px;
  background: rgba(219, 20, 60, .14);
  color: var(--primary-glow);
  font-weight: 700;
  font-size: 17px;
  margin-bottom: 16px;
}
.step h3 { font-size: 17px; font-weight: 600; margin-bottom: 8px; letter-spacing: -.01em; }
.step p { font-size: 14px; color: var(--muted); }

/* ---------- features ---------- */
.features { background: var(--bg-elevated); }
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.feature {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: var(--transition);
}
.feature:hover { border-color: #454545; box-shadow: var(--shadow-card); }
.feature-icon { font-size: 30px; margin-bottom: 16px; }
.feature h3 { font-size: 19px; font-weight: 600; margin-bottom: 10px; letter-spacing: -.02em; }
.feature p { font-size: 15px; color: var(--muted); }

/* ---------- pricing ---------- */
.plans {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  align-items: stretch;
}
.plan {
  position: relative;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px 28px;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}
.plan:hover { transform: translateY(-4px); }
.plan.featured {
  border-color: var(--primary);
  box-shadow: var(--shadow-primary);
}
.plan-tag {
  position: absolute;
  top: -12px; left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-primary);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .03em;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 999px;
}
.plan-name { font-size: 16px; font-weight: 600; color: var(--fg-dim); }
.plan-price {
  font-size: 42px;
  font-weight: 700;
  letter-spacing: -.04em;
  margin: 10px 0 2px;
}
.plan-price small { font-size: 17px; font-weight: 500; color: var(--muted); }
.plan-limit { font-size: 14px; color: var(--primary-glow); font-weight: 600; }
.plan ul {
  list-style: none;
  margin: 22px 0 26px;
  display: flex;
  flex-direction: column;
  gap: 11px;
}
.plan li {
  font-size: 14.5px;
  color: var(--fg-dim);
  display: flex;
  gap: 10px;
  align-items: flex-start;
}
.plan li svg { width: 17px; height: 17px; flex-shrink: 0; margin-top: 3px; color: var(--primary-glow); }
.plan .btn { margin-top: auto; justify-content: center; }

/* ---------- final cta ---------- */
.cta-final { text-align: center; }
.cta-final .wrap {
  max-width: 720px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 60px 40px;
  position: relative;
  overflow: hidden;
}
.cta-final .wrap::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at top, rgba(219, 20, 60, .18) 0%, transparent 65%);
  pointer-events: none;
}
.cta-final h2 { position: relative; margin-bottom: 14px; }
.cta-final p { position: relative; color: var(--muted); font-size: 17px; margin-bottom: 30px; }
.cta-final .btn { position: relative; }

/* ---------- footer ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-elevated);
  padding: 52px 0 32px;
}
.footer-top {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
}
.footer-brand { max-width: 320px; }
.footer-brand .logo { margin-bottom: 12px; }
.footer-brand p { font-size: 14px; color: var(--muted); }
.footer-links {
  display: flex;
  gap: 56px;
  flex-wrap: wrap;
}
.footer-col h4 {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--muted);
  margin-bottom: 14px;
}
.footer-col a {
  display: block;
  font-size: 14.5px;
  color: var(--fg-dim);
  margin-bottom: 9px;
  transition: var(--transition);
}
.footer-col a:hover { color: var(--primary-glow); }
.footer-legal {
  padding-top: 26px;
  font-size: 13px;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-legal .req { line-height: 1.7; }

/* ---------- legal page ---------- */
.legal {
  max-width: 760px;
  padding: 72px 0;
}
.legal a.back {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 28px;
}
.legal a.back:hover { color: var(--primary-glow); }
.legal h1 { font-size: clamp(28px, 4vw, 38px); text-align: left; margin: 0 0 10px; }
.legal .legal-note {
  background: var(--card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--primary);
  border-radius: 10px;
  padding: 22px 24px;
  margin-top: 28px;
  color: var(--fg-dim);
  font-size: 15.5px;
}
.legal .legal-note p + p { margin-top: 12px; }

/* ---------- responsive ---------- */
@media (max-width: 860px) {
  .steps { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: 1fr; }
  .plans { grid-template-columns: 1fr; }
  .plan.featured { order: -1; }
  section { padding: 64px 0; }
}
@media (max-width: 540px) {
  .wrap { padding: 0 18px; }
  .steps { grid-template-columns: 1fr; }
  .hero { padding: 72px 0 80px; }
  .hero-cta .btn { width: 100%; justify-content: center; }
  .site-header .logo span { font-size: 17px; }
  .footer-top { flex-direction: column; gap: 32px; }
  .footer-links { gap: 36px; }
  .cta-final .wrap { padding: 44px 24px; }
  .legal { padding: 48px 0; }
}

/* ---------- legal document (генерируется build_legal_pages.py) ---------- */
.doc-meta { color: var(--muted); font-size: 14px; margin: 2px 0 4px; }

.tldr {
  background: var(--card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--primary);
  border-radius: 12px;
  padding: 22px 24px;
  margin: 26px 0 34px;
}
.tldr-label {
  font-size: 12px; font-weight: 700; letter-spacing: .06em;
  text-transform: uppercase; color: var(--primary-glow); margin-bottom: 10px;
}
.tldr p { color: var(--fg-dim); font-size: 15px; margin: 8px 0; }
.tldr ul { margin: 10px 0; padding-left: 20px; color: var(--fg-dim); }
.tldr li { margin: 5px 0; }
.tldr strong { color: var(--fg); }

.legal-doc { font-size: 15px; }
.legal-doc h2 {
  font-size: 21px; font-weight: 700; letter-spacing: -.02em;
  margin: 42px 0 14px; padding-bottom: 8px; border-bottom: 1px solid var(--border);
}
.legal-doc h3 { font-size: 17px; font-weight: 600; margin: 28px 0 10px; }
.legal-doc h4 { font-size: 15px; font-weight: 600; margin: 20px 0 8px; color: var(--fg); }
.legal-doc p { color: var(--fg-dim); margin: 12px 0; line-height: 1.7; }
.legal-doc ul, .legal-doc ol { margin: 12px 0; padding-left: 24px; color: var(--fg-dim); }
.legal-doc li { margin: 7px 0; line-height: 1.65; }
.legal-doc li > ul, .legal-doc li > ol { margin: 7px 0; }
.legal-doc strong { color: var(--fg); font-weight: 600; }
.legal-doc a { color: var(--primary-glow); }
.legal-doc code {
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: 13px; background: var(--bg-elevated);
  border: 1px solid var(--border); padding: 1px 6px; border-radius: 5px;
}
.legal-doc hr { border: 0; border-top: 1px solid var(--border); margin: 32px 0; }
.legal-doc blockquote {
  margin: 16px 0; padding: 14px 20px;
  background: rgba(219, 20, 60, .07);
  border-left: 3px solid var(--primary);
  border-radius: 8px;
}
.legal-doc blockquote p { margin: 0; color: var(--fg-dim); }
.table-wrap { overflow-x: auto; margin: 16px 0; }
.legal-doc table {
  width: 100%; border-collapse: collapse; font-size: 14px; min-width: 380px;
}
.legal-doc th, .legal-doc td {
  border: 1px solid var(--border); padding: 9px 12px;
  text-align: left; vertical-align: top;
}
.legal-doc th { background: var(--bg-elevated); color: var(--fg); font-weight: 600; }
.legal-doc td { color: var(--fg-dim); }