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

body {
  font-family: 'Orbitron', 'Rajdhani', 'Segoe UI', sans-serif;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.background-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  z-index: -2;
}

.background-image {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -1;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.background-image.active {
  opacity: 1;
}

.grid-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
  linear-gradient(rgba(0, 255, 255, 0.03) 1px, transparent 1px),
  linear-gradient(90deg, rgba(0, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  z-index: 0;
  pointer-events: none;
}

.container {
  text-align: center;
  color: white;
  max-width: 1200px;
  width: 100%;
  padding: 40px 20px;
  position: relative;
  z-index: 1;
}

.logo-title {
  font-size: 5rem;
  font-weight: bold;
  margin-bottom: 2rem;
  text-transform: uppercase;
  letter-spacing: 5px;
  text-shadow:
  0 0 10px rgba(0, 255, 255, 0.8),
  0 0 20px rgba(0, 255, 255, 0.6),
  0 0 30px rgba(0, 255, 255, 0.4),
  3px 3px 0 rgba(0, 0, 0, 0.5);
  background: linear-gradient(180deg, #00ffff, #0080ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
  from {
    filter: drop-shadow(0 0 20px rgba(0, 255, 255, 0.5));
  }
  to {
    filter: drop-shadow(0 0 40px rgba(0, 255, 255, 0.8));
  }
}

.countdown-display {
  font-size: 6rem;
  font-weight: bold;
  color: #00ffff;
  text-shadow:
  0 0 20px rgba(255, 0, 255, 0.8),
  0 0 40px rgba(255, 0, 255, 0.5);
  3px 3px 0 rgba(0, 0, 0, 0.7);
  margin: 3rem 0;
  letter-spacing: 3px;
  font-family: 'Courier New', monospace;
}

.expired {
  font-size: 4rem;
  color: #ff00ff;
  text-shadow:
  0 0 20px rgba(0, 255, 255, 0.8),
  0 0 40px rgba(0, 255, 255, 0.5),
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

@media (max-width: 768px) {
  .logo-title {
    font-size: 2.5rem;
  }

  .countdown-display {
    font-size: 3rem;
  }
}