:root {
  --bg: #08080c;
  --surface: #12121a;
  --text: #f4f4f8;
  --muted: #9a9ab0;
  --accent: #7388ff;
  --accent-dim: rgba(115, 136, 255, 0.15);
  --border: rgba(255, 255, 255, 0.08);
  --radius: 14px;
  --max: 720px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px 64px;
}

.site-header {
  border-bottom: 1px solid var(--border);
  background: rgba(8, 8, 12, 0.85);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.site-header .inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.logo {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
}

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

nav {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 0.9rem;
}

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

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

.lang-switch {
  display: flex;
  gap: 6px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px;
}

.lang-switch button {
  border: none;
  background: transparent;
  color: var(--muted);
  font-size: 0.8rem;
  padding: 4px 12px;
  border-radius: 999px;
  cursor: pointer;
  font-family: inherit;
}

.lang-switch button.active {
  background: var(--accent-dim);
  color: var(--accent);
  font-weight: 600;
}

.hero {
  padding: 56px 0 40px;
  text-align: center;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 2.75rem);
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 16px;
}

.hero p {
  color: var(--muted);
  font-size: 1.1rem;
  max-width: 520px;
  margin: 0 auto 28px;
}

.badge {
  display: inline-block;
  background: var(--accent-dim);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 20px;
}

.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: 10px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  font-size: 0.95rem;
}

.btn:hover { filter: brightness(1.08); text-decoration: none; }

.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  margin-left: 10px;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin: 48px 0;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.card h3 {
  font-size: 0.95rem;
  margin-bottom: 8px;
}

.card p {
  font-size: 0.85rem;
  color: var(--muted);
}

.pricing-box {
  text-align: center;
  background: linear-gradient(145deg, var(--surface), #0e0e16);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  margin: 40px 0;
}

.pricing-box .price {
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.pricing-box .sub {
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 4px;
}

.page-title {
  padding: 48px 0 24px;
}

.page-title h1 {
  font-size: 2rem;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.page-title p {
  color: var(--muted);
  font-size: 0.95rem;
}

.prose {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 32px;
}

.prose h2 {
  font-size: 1.1rem;
  margin: 28px 0 10px;
}

.prose h2:first-child { margin-top: 0; }

.prose p, .prose li {
  color: #c8c8d8;
  font-size: 0.92rem;
  margin-bottom: 12px;
}

.prose ul {
  padding-left: 1.25rem;
  margin-bottom: 12px;
}

.prose li { margin-bottom: 6px; }

.prose .updated {
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 24px;
}

.faq dt {
  font-weight: 600;
  font-size: 0.95rem;
  margin-top: 20px;
}

.faq dd {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 6px 0 0;
}

.contact-box {
  margin-top: 28px;
  padding: 20px;
  background: var(--accent-dim);
  border-radius: 10px;
  text-align: center;
}

.contact-box a { font-weight: 600; font-size: 1.05rem; }

.site-footer {
  border-top: 1px solid var(--border);
  margin-top: 64px;
  padding: 24px;
  text-align: center;
  color: var(--muted);
  font-size: 0.8rem;
}

.site-footer a { color: var(--muted); margin: 0 10px; }

[lang-section] { display: none; }
[lang-section].visible { display: block; }

@media (max-width: 600px) {
  .btn-ghost { margin-left: 0; margin-top: 10px; display: block; }
  .prose { padding: 20px; }
}