body {
  margin: 0;
  background-color: #02090a;
  overflow: hidden;
  font-family: Arial, sans-serif;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.08) 0px,
    rgba(255, 255, 255, 0.03) 1px,
    transparent 2px
  );
  animation: codigoHolografico 5s linear infinite;
  mix-blend-mode: screen;
  opacity: 0.2;
}

@keyframes codigoHolografico {
  0% { background-position: 0 0; }
  100% { background-position: 0 100%; }
}

video {
  width: 100vw;
  height: 100vh;
  object-fit: cover;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
}

#skipBtn {
  background: rgba(255, 0, 0, 0.8);
  color: white;
  padding: 10px 20px;
  border: none;
  font-size: 16px;
  cursor: pointer;
  z-index: 10;
  border-radius: 5px;
}

#contenido {
  background-color: #02090a;
  color: white;
  text-align: center;
  height: 100vh;
  width: 100vw;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 5;
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

#logoContainer {
  position: relative;
  display: inline-block;
  width: 90%;
  max-width: 600px;
  height: auto;
  animation: holografico 6s linear infinite;
  background-image: 
    linear-gradient(135deg, rgba(255,50,50,0.08) 0%, rgba(255,0,0,0.04) 40%, rgba(255,50,50,0.08) 60%, rgba(255,0,0,0.04) 100%),
    radial-gradient(circle at 30% 30%, rgba(255,100,100,0.1), transparent 70%),
    radial-gradient(circle at 70% 70%, rgba(255,0,0,0.1), transparent 70%);
  background-blend-mode: screen;
  background-size: 200% 200%;
  background-position: center;
  border: 2px solid rgba(255, 100, 100, 0.6);
  box-shadow: 0 0 20px 5px rgba(255, 80, 80, 0.4);
  border-radius: 10px;
}

#logoFinal {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  opacity: 0;
  animation: brillo 2s ease forwards;
  z-index: 2;
  filter: drop-shadow(0 0 10px rgba(255, 60, 60, 0.6)) brightness(1.1) contrast(1.2);
}

#topButtons {
  position: absolute;
  top: 20px;
  right: 20px;
  display: flex;
  gap: 10px;
  z-index: 10;
}
#loginBtn {
  background: rgba(0, 123, 255, 0.8);
  color: white;
  padding: 10px 20px;
  border: none;
  font-size: 16px;
  cursor: pointer;
  border-radius: 5px;
}
#loginBtn:hover {
  background: rgba(0, 90, 190, 0.9);
}
#overlayMensaje {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.85);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  z-index: 20;
  text-align: center;
  padding: 20px;
  cursor: pointer;
  transition: opacity 0.5s ease;
}
@keyframes brillo {
  0% { opacity: 0; filter: brightness(0.5); transform: scale(0.8); }
  50% { opacity: 1; filter: brightness(1.5); transform: scale(1.05); }
  100% { opacity: 1; filter: brightness(1); transform: scale(1); }
}

@keyframes holografico {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

#enterBtn {
  margin-top: 20px;
  background: #ff0000;
  color: white;
  padding: 12px 25px;
  border: none;
  border-radius: 5px;
  font-size: 18px;
  text-decoration: none;
  transition: background 0.3s ease;
}

#enterBtn:hover {
  background: #cc0000;
}

/* Media Queries para Responsividad */
@media (max-width: 600px) {
  #skipBtn {
    padding: 8px 16px;
    font-size: 14px;
    top: 10px;
    right: 10px;
  }

  #enterBtn {
    font-size: 16px;
    padding: 10px 20px;
  }

  #logoContainer {
    width: 95%;
  }
}