:root {
  --site-background: #0f0f23;
  --site-surface: #1a1a2e;
  --site-border: #333;
  --site-text: #cccccc;
  --site-muted: #999999;
  --site-accent: #ffd700;
  --site-link: #8ab4f8;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-nav {
  position: relative;
  z-index: 20;
  display: flex;
  justify-content: center;
  max-width: 1200px;
  margin: 0 auto 2rem;
  padding: 0 2rem;
  font-family: "Monaco", "Menlo", "Ubuntu Mono", monospace;
}

.site-nav-toggle {
  display: none;
  padding: 0.6rem;
  color: var(--site-accent);
  background: var(--site-surface);
  border: 1px solid var(--site-border);
  border-radius: 0.5rem;
  cursor: pointer;
}

.site-nav-icon,
.site-nav-icon::before,
.site-nav-icon::after {
  display: block;
  width: 1.4rem;
  height: 2px;
  background: currentColor;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.site-nav-icon {
  position: relative;
}

.site-nav-icon::before,
.site-nav-icon::after {
  position: absolute;
  content: "";
}

.site-nav-icon::before {
  transform: translateY(-0.45rem);
}

.site-nav-icon::after {
  transform: translateY(0.45rem);
}

.site-nav-links {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.site-nav a {
  padding: 0.5rem 0.9rem;
  color: var(--site-accent);
  border: 1px solid var(--site-border);
  border-radius: 0.5rem;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  border-color: var(--site-accent);
  background: var(--site-surface);
}

@media (max-width: 600px) {
  .site-nav {
    justify-content: flex-end;
    padding: 0 1rem;
  }

  .site-nav-toggle {
    display: inline-flex;
  }

  .site-nav-links {
    position: absolute;
    top: 100%;
    right: 1rem;
    display: none;
    min-width: 12rem;
    padding: 0.5rem;
    background: var(--site-surface);
    border: 1px solid var(--site-border);
    border-radius: 0.5rem;
    box-shadow: 0 0.75rem 2rem rgba(0, 0, 0, 0.35);
  }

  .site-nav[data-open="true"] .site-nav-links {
    display: grid;
  }

  .site-nav a {
    display: block;
  }
}