* { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
  height: 100%;
  overflow: hidden;
  background: #0a1420;
  font-family: "Avenir Next", "Segoe UI", system-ui, -apple-system, sans-serif;
}

#scene {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  cursor: crosshair;
}

#ui {
  position: fixed;
  inset: 0;
  pointer-events: none;
  color: rgba(255, 255, 255, 0.92);
  text-shadow: 0 1px 8px rgba(0, 10, 20, 0.45);
  z-index: 2;
}

.title-block {
  position: absolute;
  top: 34px;
  left: 40px;
}

.title-block h1 {
  font-size: 34px;
  font-weight: 300;
  letter-spacing: 0.42em;
  margin-bottom: 6px;
  text-transform: lowercase;
}

.title-block p {
  font-size: 12.5px;
  font-weight: 400;
  letter-spacing: 0.22em;
  opacity: 0.65;
}

.phase {
  position: absolute;
  top: 42px;
  right: 44px;
  font-size: 12px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  opacity: 0.7;
  transition: opacity 0.5s;
}

.hint {
  position: absolute;
  bottom: 42px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 13px;
  letter-spacing: 0.26em;
  text-transform: lowercase;
  opacity: 0.75;
  transition: opacity 1.4s ease;
  white-space: nowrap;
}

.hint.hidden { opacity: 0; }

#vignette {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  background: radial-gradient(ellipse at center,
    rgba(0, 0, 0, 0) 55%,
    rgba(4, 10, 18, 0.32) 100%);
}