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

:root {
  --green: #1D9E75;
  --green-dark: #0F6E56;
  --green-darker: #085041;
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --text-primary: #e6edf3;
  --text-muted: #8b949e;
  --border: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.15);
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
}

/* Nav */
nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 2rem;
  border-bottom: 0.5px solid var(--border);
  flex-wrap: wrap;
  gap: 1rem;
  position: sticky;
  top: 0;
  background: var(--bg-primary);
  z-index: 100;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-primary);
  text-decoration: none;
}

.nav-logo-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  flex-shrink: 0;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
}

.nav-links a {
  font-size: 14px;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.15s;
}

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

/* Language toggle */
.lang-toggle {
  display: flex;
  background: rgba(255, 255, 255, 0.06);
  border: 0.5px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  overflow: hidden;
}

.lang-btn {
  padding: 5px 14px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  background: transparent;
  color: var(--text-muted);
  transition: all 0.15s;
}

.lang-btn.active {
  background: var(--green);
  color: #fff;
}

/* Hero */
.hero {
  padding: 5rem 2rem 4rem;
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.badge {
  display: inline-block;
  font-size: 12px;
  color: var(--green);
  background: rgba(29, 158, 117, 0.12);
  border: 0.5px solid rgba(29, 158, 117, 0.3);
  border-radius: 20px;
  padding: 4px 14px;
  margin-bottom: 1.5rem;
}

h1 {
  font-size: 48px;
  font-weight: 500;
  line-height: 1.15;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
}

h1 span {
  color: var(--green);
}

.hero-sub {
  font-size: 18px;
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 580px;
  margin: 0 auto 2.5rem;
}

.cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Buttons */
.btn-primary {
  background: var(--green);
  color: #fff;
  border: none;
  padding: 12px 28px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: background 0.15s;
}

.btn-primary:hover {
  background: var(--green-dark);
}

.btn-secondary {
  background: transparent;
  color: var(--text-muted);
  border: 0.5px solid var(--border-hover);
  padding: 12px 28px;
  border-radius: 8px;
  font-size: 15px;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: all 0.15s;
}

.btn-secondary:hover {
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.3);
}

/* Stats bar */
.stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  padding: 2.5rem 2rem;
  border-top: 0.5px solid var(--border);
  border-bottom: 0.5px solid var(--border);
  margin: 0 2rem;
  flex-wrap: wrap;
}

.stat {
  text-align: center;
}

.stat-val {
  font-size: 22px;
  font-weight: 500;
  color: var(--text-primary);
}

.stat-lbl {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Sections */
section {
  max-width: 860px;
  margin: 0 auto;
  padding: 4rem 2rem;
}

.section-label {
  font-size: 12px;
  color: var(--green);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

h2 {
  font-size: 28px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.section-sub {
  font-size: 16px;
  color: var(--text-muted);
  margin-bottom: 3rem;
  line-height: 1.6;
}

/* Features grid */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1px;
  background: rgba(255, 255, 255, 0.06);
  border: 0.5px solid rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  overflow: hidden;
}

.feature {
  background: var(--bg-primary);
  padding: 1.5rem;
}

.feature-icon {
  font-size: 20px;
  color: var(--green);
  margin-bottom: 0.75rem;
}

.feature h3 {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
}

.feature p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Divider */
.divider {
  border: none;
  border-top: 0.5px solid var(--border);
  margin: 0 2rem;
}

/* Pricing */
.pricing {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.price-card {
  background: var(--bg-secondary);
  border: 0.5px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
}

.price-card.featured {
  border-color: rgba(29, 158, 117, 0.5);
  background: rgba(29, 158, 117, 0.04);
}

.price-tag {
  font-size: 12px;
  color: var(--green);
  background: rgba(29, 158, 117, 0.12);
  border-radius: 20px;
  padding: 3px 10px;
  display: inline-block;
  margin-bottom: 1rem;
}

.price-name {
  font-size: 18px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
}

.price-desc {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  line-height: 1.5;
}

.price-amount {
  font-size: 36px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

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

.price-note {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 1.75rem;
}

.price-features {
  list-style: none;
  margin-bottom: 1.5rem;
  flex: 1;
}

.price-features li {
  font-size: 14px;
  color: var(--text-muted);
  padding: 6px 0;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.price-features li i {
  color: var(--green);
  font-size: 16px;
  margin-top: 1px;
  flex-shrink: 0;
}

.support-hint {
  font-size: 13px;
  color: var(--text-muted);
  border-top: 0.5px solid var(--border);
  padding-top: 1rem;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.support-hint strong {
  color: var(--text-primary);
  font-weight: 500;
}

.price-card .btn-primary,
.price-card .btn-secondary {
  width: 100%;
  text-align: center;
  display: block;
}

/* Installation steps */
.install-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.install-step {
  background: var(--bg-secondary);
  border: 0.5px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem;
}

.step-num {
  font-size: 12px;
  color: var(--green);
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.install-step h3 {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 0.3rem;
}

.install-step p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Legal pages */
.legal {
  max-width: 760px;
}

.legal > p.legal-updated {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
}

.legal h2 {
  font-size: 28px;
  margin-bottom: 1rem;
}

.legal h3 {
  font-size: 18px;
  font-weight: 500;
  color: var(--text-primary);
  margin: 2.5rem 0 0.75rem;
}

.legal p,
.legal li {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.7;
}

.legal p {
  margin-bottom: 1rem;
}

.legal ul,
.legal ol {
  margin: 0 0 1rem 1.25rem;
}

.legal li {
  margin-bottom: 0.5rem;
}

.legal a {
  color: var(--green);
  text-decoration: none;
}

.legal a:hover {
  text-decoration: underline;
}

.legal strong {
  color: var(--text-primary);
  font-weight: 500;
}

.legal .placeholder {
  color: var(--green);
}

.callout {
  background: rgba(29, 158, 117, 0.06);
  border: 0.5px solid rgba(29, 158, 117, 0.3);
  border-radius: 10px;
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0 2rem;
}

.callout p {
  margin-bottom: 0;
}

/* Footer */
footer {
  border-top: 0.5px solid var(--border);
  padding: 2rem;
  text-align: center;
}

footer p {
  font-size: 13px;
  color: var(--text-muted);
}

footer a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.15s;
}

footer a:hover {
  color: var(--text-primary);
}

/* Responsive */
@media (max-width: 600px) {
  h1 {
    font-size: 32px;
  }

  .pricing {
    grid-template-columns: 1fr;
  }

  .stats {
    gap: 1.5rem;
  }

  nav {
    padding: 1rem;
  }

  .hero {
    padding: 3rem 1.5rem 2.5rem;
  }

  section {
    padding: 3rem 1.5rem;
  }

  .divider {
    margin: 0 1.5rem;
  }

  .stats {
    margin: 0 1.5rem;
  }
}