:root {
  --bg: #050f1c;
  --surface: #0b1a2f;
  --text: #e6edf6;
  --muted: #9ba7b6;
  --accent: #ef4444;
  --border: rgba(255, 255, 255, 0.08);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family:
    -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 56px 24px 96px;
}

header {
  border-bottom: 1px solid var(--border);
  padding-bottom: 24px;
  margin-bottom: 40px;
}

.brand {
  font-size: 12px;
  letter-spacing: 4px;
  color: var(--accent);
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 8px;
}

h1 {
  font-size: 32px;
  font-weight: 700;
  margin: 0 0 12px;
  letter-spacing: -0.5px;
}

h2 {
  font-size: 20px;
  font-weight: 700;
  margin: 40px 0 12px;
  letter-spacing: -0.2px;
}

h3 {
  font-size: 16px;
  font-weight: 700;
  margin: 24px 0 8px;
  color: var(--text);
}

p,
ul,
ol {
  color: var(--text);
  margin: 0 0 16px;
}

ul,
ol {
  padding-left: 24px;
}

li {
  margin-bottom: 6px;
}

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

a:hover {
  text-decoration: underline;
}

.meta {
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.5px;
}

.lang-switch {
  display: inline-block;
  margin-top: 8px;
  font-size: 13px;
  color: var(--muted);
}

.lang-switch a {
  color: var(--muted);
  text-decoration: underline;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 14px;
}

th,
td {
  text-align: left;
  padding: 10px 12px;
  border: 1px solid var(--border);
  vertical-align: top;
}

th {
  background: var(--surface);
  font-weight: 700;
  letter-spacing: 0.5px;
  font-size: 12px;
  text-transform: uppercase;
  color: var(--muted);
}

footer {
  margin-top: 64px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 13px;
}

code {
  font-family: 'SF Mono', Menlo, Monaco, Consolas, monospace;
  font-size: 13px;
  color: var(--accent);
  background: var(--surface);
  padding: 2px 6px;
  border-radius: 3px;
}

@media (max-width: 520px) {
  main {
    padding: 32px 18px 64px;
  }
  h1 {
    font-size: 26px;
  }
  h2 {
    font-size: 18px;
  }
}