:root {
  --bg: #0A0E0A;
  --surface: #141A14;
  --surface-elevated: #1A211A;
  --surface-highest: #1F2A1F;
  --primary: #00FF85;
  --on-primary: #001F0E;
  --accent: #00D9FF;
  --text-primary: #E8FFE8;
  --text-secondary: #9FB0A0;
  --border: #26312a;
  --error: #FF3838;
  --max-width: 760px;
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: dark;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 32px 20px 80px;
}

header.site {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 0 8px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-primary);
}

.brand .logo-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 12px var(--primary);
  flex-shrink: 0;
}

.brand span {
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
}

nav.top-links {
  display: flex;
  gap: 18px;
  font-size: 0.9rem;
}

nav.top-links a {
  color: var(--text-secondary);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

nav.top-links a:hover,
nav.top-links a[aria-current="page"] {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.lang-toggle {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: 9999px;
  overflow: hidden;
}

.lang-toggle button {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 6px 14px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  cursor: pointer;
}

.lang-toggle button.active {
  background: var(--primary);
  color: var(--on-primary);
}

h1 {
  font-size: 1.75rem;
  margin: 0 0 6px;
  color: var(--text-primary);
}

h2 {
  font-size: 1.2rem;
  color: var(--primary);
  margin: 36px 0 12px;
  padding-top: 8px;
}

h2:first-of-type {
  margin-top: 8px;
}

h3 {
  font-size: 1rem;
  color: var(--text-primary);
  margin: 20px 0 8px;
}

p, li {
  color: var(--text-secondary);
  font-size: 0.97rem;
}

strong {
  color: var(--text-primary);
}

ul, ol {
  padding-left: 22px;
}

li {
  margin-bottom: 6px;
}

a {
  color: var(--accent);
}

.meta {
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-bottom: 28px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px 22px;
  margin: 18px 0;
}

.card.accent {
  border-color: rgba(0, 255, 133, 0.3);
  background: rgba(0, 255, 133, 0.04);
}

.badge {
  display: inline-block;
  background: var(--surface-highest);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  padding: 3px 10px;
  border-radius: 9999px;
  margin-right: 6px;
}

.lang-block[data-lang="en"] {
  display: none;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0;
  font-size: 0.9rem;
}

th, td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
}

th {
  color: var(--text-primary);
  font-weight: 600;
}

.cta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 20px 0;
}

.cta-row a.button {
  display: inline-block;
  background: var(--primary);
  color: var(--on-primary);
  text-decoration: none;
  font-weight: 700;
  padding: 10px 18px;
  border-radius: 9999px;
  font-size: 0.9rem;
}

.cta-row a.button.secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}

footer.site {
  margin-top: 60px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 0.82rem;
}

footer.site a {
  color: var(--text-secondary);
}

@media (max-width: 480px) {
  header.site {
    flex-direction: column;
    align-items: flex-start;
  }
}