/* Shared reset — guarantees every animation renders on a fully transparent canvas.
   Keeps the vector crisp on any background (white, dark, brand). */
html, body {
  margin: 0;
  padding: 0;
  background: transparent;
  overflow: hidden;
  font-family:
    "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI",
    Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  color: #0b1220;
}
body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  box-sizing: border-box;
}
*, *::before, *::after { box-sizing: border-box; }

/* Small helper — gradient blue used across animations for brand consistency */
:root {
  --hl-brand: #4a6dff;
  --hl-brand-deep: #2f49c7;
  --hl-ink: #0b1220;
  --hl-muted: #6b7280;
  --hl-line: rgba(11,18,32,0.08);
  --hl-card: #ffffff;
  --hl-card-shadow: 0 20px 40px -20px rgba(11,18,32,0.22), 0 2px 4px rgba(11,18,32,0.04);
}