:root {
  --info: light-dark(#0e7490, #22d3ee);
  --accent: light-dark(#6d28d9, #a78bfa);
}
/* Wordmark: violet-to-cyan gradient text, tight tracking. */
nav a.brand {
  font-weight: 650;
  letter-spacing: -.01em;
  background: linear-gradient(90deg, var(--accent), var(--info));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
nav a.brand img { height: 1.45em; vertical-align: -.35em; margin-right: .45em; }