html, body {
  margin: 0;
  padding: 0;
}

* {
  box-sizing: border-box;
}

body {
  background: #0a0712;
  font-family: -apple-system, 'SF Pro Display', 'SF Pro Text', system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
}

@keyframes riff-floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}

@keyframes riff-glowpulse {
  0%, 100% { opacity: .55; }
  50% { opacity: .82; }
}

@keyframes riff-blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}