:root {
  --bg: #0f0f1a;
  --bg-card: #1a1a2e;
  --text: #e2e8f0;
  --accent: #f59e0b;
  --accent-hover: #fbbf24;
  --muted: #94a3b8;
  --border: #2a2a3e;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  padding: 2rem 1rem;
  min-height: 100vh;
}

main {
  max-width: 720px;
  margin: 0 auto;
  background: var(--bg-card);
  padding: 2rem 1.5rem;
  border-radius: 12px;
  border: 1px solid var(--border);
}

h1 {
  font-size: 1.85rem;
  margin-bottom: 0.5rem;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.lead {
  font-size: 1.05rem;
  color: var(--muted);
  margin-bottom: 1.5rem;
}

.updated {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

h2 {
  font-size: 1.15rem;
  margin-top: 1.5rem;
  margin-bottom: 0.6rem;
  color: #cbd5e1;
}

p {
  margin-bottom: 1rem;
  color: var(--text);
}

ul {
  margin: 0.5rem 0 1rem 1.5rem;
  color: var(--text);
}

li {
  margin-bottom: 0.4rem;
}

section {
  margin-bottom: 1.5rem;
}

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

a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

nav {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

footer {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
}

.lang-switcher {
  position: fixed;
  top: 1rem;
  right: 1rem;
  display: flex;
  gap: 0.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.25rem;
  z-index: 100;
  font-size: 0.85rem;
}

.lang-switcher a {
  padding: 0.3rem 0.7rem;
  border-radius: 5px;
  color: var(--muted);
  text-decoration: none;
  transition: all 0.15s ease;
}

.lang-switcher a:hover {
  color: var(--accent);
  text-decoration: none;
}

.lang-switcher a.active {
  background: var(--accent);
  color: #1a1a2e;
  font-weight: 600;
}

@media (max-width: 600px) {
  body {
    padding: 1rem 0.5rem;
  }
  main {
    padding: 1.5rem 1rem;
  }
  h1 {
    font-size: 1.5rem;
  }
}