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

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #0a0a0a;
  color: #fff;
  font-family: 'Oswald', sans-serif;
  cursor: crosshair;
}

/* canvas layers */

#hydra-canvas {
  position: fixed;
  top: 0; left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 1;
}

#p5-holder {
  position: fixed;
  top: 0; left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 2;
  pointer-events: none;
}
#p5-holder canvas { display: block; }

/* click-to-begin overlay */

#start-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: #e60012;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: opacity 0.5s ease, transform 0.5s ease;
}
#start-overlay.hidden {
  opacity: 0;
  pointer-events: none;
  transform: skewX(-6deg);
}

#start-text {
  font-family: 'Archivo Black', sans-serif;
  font-size: clamp(50px, 10vw, 140px);
  color: #fff;
  letter-spacing: -0.02em;
  transform: skewX(-10deg);
  text-shadow: 10px 10px 0 #000;
  user-select: none;
}