html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: #000;
  overflow: hidden;
}

#preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 9999;
  background: #000;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  transition: opacity 1s ease;
}

#preloader.fade-out {
  opacity: 0;
}

/* iframe del sitio principal */
#main-site {
  width: 100%;
  height: 100%;
  border: none;
  display: none;
}

/* Canvas */
#binaryCanvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: block;
  background: #000;
}

/* Píldora vertical con proporción fija */
.pill {
  position: absolute;
  top: -20vh;
  left: 50%;
  width: clamp(40px, 6vw, 100px);
  aspect-ratio: 1 / 2;
  background: linear-gradient(to bottom, #ff0000, #a30000);
  border-radius: 50px;
  transform: translateX(-50%);
  box-shadow: 0 0 20px rgba(255,0,0,0.8);
  animation: drop 4s linear infinite;
}

@keyframes drop {
  from { top: -20vh; }
  to { top: 110vh; }
}