:root {
  --primary: #2563eb;
  --text: #111827;
  --muted: #6b7280;
  --bg-alt: #f8fafc;
  --border: #e5e7eb;
  --maxw: 960px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--text);
  line-height: 1.6;
}
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

nav { border-bottom: 1px solid var(--border); background: #fff; }
.nav-inner { display: flex; align-items: center; justify-content: space-between; padding: 16px 24px; }
.brand { font-weight: 700; font-size: 18px; color: var(--text); text-decoration: none; }
.nav-links { display: flex; align-items: center; gap: 16px; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: 14px; }
.nav-links a:hover { color: var(--text); }
.lang-toggle { background: none; border: 1px solid var(--border); padding: 4px 10px; border-radius: 4px; cursor: pointer; font-size: 12px; }

section { padding: 80px 0; }
.alt-bg { background: var(--bg-alt); }

.hero h1 { font-size: 44px; margin: 0 0 16px 0; letter-spacing: -0.02em; }
.hero .lead { font-size: 18px; color: var(--muted); max-width: 600px; margin: 0 0 28px 0; }
.cta-primary {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  padding: 14px 24px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 16px;
}
.cta-primary:hover { background: #1d4ed8; }

h2 { font-size: 32px; margin: 0 0 32px 0; }
h3 { font-size: 18px; margin: 0 0 12px 0; }

.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.feature p { color: var(--muted); margin: 0; }

.pricing-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; max-width: 700px; }
.price-card { background: #fff; padding: 32px; border: 1px solid var(--border); border-radius: 12px; }
.price-card.featured { border-color: var(--primary); }
.price-card .price { font-size: 32px; font-weight: 700; margin: 8px 0 16px 0; }
.price-card ul { padding-left: 20px; margin: 0; }
.price-card li { padding: 4px 0; color: var(--muted); }
.badge { background: var(--bg-alt); padding: 2px 8px; border-radius: 4px; font-size: 11px; color: var(--muted); margin-left: 8px; vertical-align: middle; }

details { padding: 16px 0; border-bottom: 1px solid var(--border); }
summary { font-weight: 600; cursor: pointer; }
details p { color: var(--muted); margin: 12px 0 0 0; }

footer { padding: 32px 0; border-top: 1px solid var(--border); }
footer .muted a { color: var(--muted); text-decoration: none; }
footer .muted a:hover { color: var(--text); }

.muted { color: var(--muted); }
.small { font-size: 13px; }

@media (max-width: 640px) {
  .hero h1 { font-size: 32px; }
  .features-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .nav-links a:not(.lang-toggle) { display: none; }
}