:root {
  --bg: #000;
  --fg: #fff;
}

* { box-sizing: border-box; }

html, body {
  width: 100%;
  height: 100%;
  margin: 0;
  background: var(--bg);
  overflow: hidden;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}

#stage {
  position: fixed;
  inset: 0;
  z-index: 0;
}

.top {
  position: fixed;
  inset: 0;              /* ocupa toda la pantalla */
  z-index: 2;
  text-align: center;
  pointer-events: none;
  color: var(--fg);

  display: flex;
  flex-direction: column;
  justify-content: space-between; /* título arriba, author abajo */
  padding: 24px 0 24px;           /* margen superior e inferior */
}

#title {
  margin: 0;
  font-weight: 700;
  letter-spacing: 0.06em;
  font-size: clamp(36px, 5vw, 72px);
  line-height: 1.05;
}

#author {
  margin: 0;             /* importante */
  font-weight: 500;
  letter-spacing: 0.04em;
  font-size: clamp(16px, 1.8vw, 24px);
  opacity: 0.92;
}

/* White wipe overlay */
#wipe {
  position: fixed;
  inset: 0;
  background: #fff;
  z-index: 3;
  opacity: 0;
  transition: opacity 900ms ease-in-out;
  pointer-events: none;
}
#wipe.is-on {
  opacity: 1;
}