:root {
  color-scheme: light dark;
  --bg: #0f172a;
  --text: #f8fafc;
  --muted: #475569;
  --muted-hover: #64748b;
  --border: #1e293b;
  --accent: #64748b;
  --accent-hover: #94a3b8;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #fafafa;
    --text: #0f172a;
    --muted: #94a3b8;
    --muted-hover: #64748b;
    --border: #e2e8f0;
    --accent: #94a3b8;
    --accent-hover: #64748b;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site-header {
  position: absolute;
  top: 0;
  right: 0;
  padding: 1.25rem 1.5rem;
}

.lang-switch {
  display: inline-flex;
  gap: 0.15rem;
}

.lang-btn {
  border: none;
  background: transparent;
  color: var(--muted);
  padding: 0.2rem 0.4rem;
  cursor: pointer;
  font-weight: 400;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.15s ease;
}

.lang-btn:hover {
  color: var(--muted-hover);
}

.lang-btn.active {
  color: var(--text);
}

/* Separator between lang buttons */
.lang-btn + .lang-btn::before {
  content: "/";
  margin-right: 0.4rem;
  color: var(--muted);
  font-weight: 300;
}

.container {
  max-width: 480px;
  margin: auto;
  padding: 2rem 2rem;
}

.lead {
  font-size: 0.8rem;
  line-height: 1.8;
  color: var(--muted);
  font-weight: 400;
  margin: 0 0 1.5rem;
  letter-spacing: 0.01em;
  font-style: italic;
}

.cta-footer {
  position: absolute;
  bottom: 0;
  right: 0;
  padding: 1.5rem 2rem;
}

.cta-link {
  color: var(--muted);
  font-weight: 400;
  font-size: 0.75rem;
  text-decoration: none;
  letter-spacing: 0.02em;
  border-bottom: 1px solid transparent;
  padding-bottom: 1px;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.cta-link:hover {
  color: var(--accent-hover);
  border-bottom-color: var(--accent-hover);
}