/* Chumbra VPN — лендинг. Токены см. brand-tokens.css источник. */
:root {
  --bg:        #0B0E14;
  --surface:   #10141C;
  --line:      #1E2533;
  --accent:    #00E5D0;
  --warning:   #FFB020;
  --danger:    #FF2E7E;
  --muted:     #7C879B;
  --text:      #E6EDF3;

  --font-display: "JetBrains Mono", ui-monospace, monospace;
  --font-body: Inter, -apple-system, system-ui, sans-serif;

  --radius: 4px;
  --border: 1px;
  --space: 8px;

  --maxw: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: inherit; }

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 calc(var(--space) * 3);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(11, 14, 20, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: var(--border) solid var(--line);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo .dot { color: var(--accent); }

.nav {
  display: none;
  gap: calc(var(--space) * 3);
  font-size: 0.92rem;
}

.nav a {
  text-decoration: none;
  color: var(--muted);
}

.nav a:hover { color: var(--text); }

.btn.header-cta {
  display: none;
}

.burger {
  background: none;
  border: var(--border) solid var(--line);
  border-radius: var(--radius);
  width: 40px;
  height: 40px;
  color: var(--text);
  font-family: var(--font-display);
  font-size: 1.1rem;
}

.nav.nav-open {
  display: flex;
  position: absolute;
  top: 64px;
  left: 0;
  right: 0;
  flex-direction: column;
  background: var(--bg);
  border-bottom: var(--border) solid var(--line);
  padding: calc(var(--space) * 2) calc(var(--space) * 3);
  gap: calc(var(--space) * 2);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px 22px;
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  text-decoration: none;
  border: var(--border) solid transparent;
  cursor: pointer;
  white-space: nowrap;
}

.btn-accent {
  background: var(--accent);
  color: #04211D;
}

.btn-accent:hover { opacity: 0.9; }

.btn-outline {
  background: transparent;
  color: var(--text);
  border-color: var(--line);
}

.btn-outline:hover { border-color: var(--accent); color: var(--accent); }

.btn-block { width: 100%; }

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

.hero {
  padding: 56px 0 40px;
  border-bottom: var(--border) solid var(--line);
}

.hero .container {
  display: flex;
  flex-direction: column;
  gap: 32px;
  align-items: center;
  text-align: center;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: 2rem;
  line-height: 1.25;
  margin: 0 0 16px;
}

.hero h1 .accent { color: var(--accent); }

.hero p.lead {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 46ch;
  margin: 0 auto 24px;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
  max-width: 320px;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  justify-content: center;
  margin-top: 8px;
  font-size: 0.85rem;
  color: var(--muted);
}

.hero-badges span { white-space: nowrap; }

.hero-badges strong { color: var(--text); }

.hero-mascot {
  width: 160px;
}

/* ---------- Section shell ---------- */

section { padding: 48px 0; border-bottom: var(--border) solid var(--line); }

section:last-of-type { border-bottom: none; }

.section-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  margin: 0 0 8px;
  text-align: center;
}

.section-sub {
  color: var(--muted);
  text-align: center;
  max-width: 52ch;
  margin: 0 auto 32px;
}

/* ---------- About ---------- */

.about-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: 1fr;
}

.about-card {
  background: var(--surface);
  border: var(--border) solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
}

.about-card h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  margin: 0 0 8px;
  color: var(--accent);
}

.about-card p { margin: 0; color: var(--muted); font-size: 0.92rem; }

/* ---------- Pricing ---------- */

.pricing-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: 1fr;
}

.price-card {
  background: var(--surface);
  border: var(--border) solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.price-card.featured {
  border-color: var(--accent);
  position: relative;
}

.price-card .badge {
  position: absolute;
  top: -12px;
  left: 20px;
  background: var(--accent);
  color: #04211D;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--radius);
}

.price-card .period {
  font-family: var(--font-display);
  color: var(--muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.price-card .amount {
  font-family: var(--font-display);
  font-size: 2.1rem;
  font-weight: 700;
}

.price-card .amount span { font-size: 1rem; color: var(--muted); font-weight: 400; }

.price-card .per-month { color: var(--muted); font-size: 0.85rem; margin-top: -8px; }

.price-card ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.9rem;
}

.price-card li {
  display: flex;
  gap: 8px;
  color: var(--text);
}

.price-card li::before {
  content: "·";
  color: var(--accent);
  font-weight: 700;
}

/* ---------- Steps ---------- */

.steps {
  display: grid;
  gap: 20px;
  grid-template-columns: 1fr;
  counter-reset: step;
}

.step {
  background: var(--surface);
  border: var(--border) solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  position: relative;
  padding-left: 56px;
}

.step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 16px;
  top: 20px;
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--accent);
}

.step h3 {
  font-family: var(--font-display);
  font-size: 0.98rem;
  margin: 0 0 6px;
}

.step p { margin: 0; color: var(--muted); font-size: 0.9rem; }

/* ---------- FAQ ---------- */

.faq { max-width: 720px; margin: 0 auto; }

.faq-item {
  border-bottom: var(--border) solid var(--line);
}

.faq-item summary {
  cursor: pointer;
  padding: 18px 4px;
  font-family: var(--font-display);
  font-size: 0.95rem;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
  content: "+";
  color: var(--accent);
  font-size: 1.2rem;
  flex-shrink: 0;
}

.faq-item[open] summary::after { content: "−"; }

.faq-item p {
  margin: 0 4px 18px;
  color: var(--muted);
  font-size: 0.92rem;
}

/* ---------- Final CTA ---------- */

.cta-final { text-align: center; }

.cta-final .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

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

.site-footer {
  padding: 32px 0;
  font-size: 0.85rem;
  color: var(--muted);
}

.footer-grid {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
}

.footer-links a { text-decoration: none; color: var(--muted); }

.footer-links a:hover { color: var(--accent); }

.footer-note {
  border-top: var(--border) solid var(--line);
  padding-top: 16px;
  font-size: 0.8rem;
}

/* ---------- Legal pages ---------- */

.legal {
  padding: 48px 0 80px;
}

.legal .container { max-width: 760px; }

.legal h1 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.legal .updated { color: var(--muted); font-size: 0.85rem; margin-bottom: 32px; }

.legal h2 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin: 32px 0 12px;
  color: var(--accent);
}

.legal p, .legal li { color: var(--text); font-size: 0.95rem; }

.legal ul { padding-left: 20px; }

.legal a.back {
  display: inline-block;
  margin-bottom: 24px;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
}

.legal a.back:hover { color: var(--accent); }

/* ---------- Breakpoints ---------- */

@media (min-width: 480px) {
  .hero-actions { flex-direction: row; max-width: none; }
}

@media (min-width: 768px) {
  .nav { display: flex; }
  .btn.header-cta { display: inline-flex; }
  .burger { display: none; }

  .hero h1 { font-size: 2.6rem; }

  .about-grid { grid-template-columns: repeat(3, 1fr); }
  .pricing-grid { grid-template-columns: repeat(3, 1fr); }
  .steps { grid-template-columns: repeat(3, 1fr); }

  .footer-grid {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }
}

@media (min-width: 1024px) {
  .hero h1 { font-size: 3rem; }
  .hero p.lead { font-size: 1.15rem; }
}