/* Background effects */
body {
  background-image:
    radial-gradient(ellipse at 50% 0%, rgba(220, 38, 38, 0.15) 0%, transparent 50%),
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 100% 100%, 50px 50px, 50px 50px;
  background-position: top center, 0 0, 0 0;
}

/* Glow pulse animation for Hydra logo */
@keyframes glow-pulse {
  0%, 100% {
    filter: drop-shadow(0 0 20px rgba(220, 38, 38, 0.6));
  }
  50% {
    filter: drop-shadow(0 0 40px rgba(220, 38, 38, 0.9));
  }
}

.hydra-logo {
  animation: glow-pulse 3s ease-in-out infinite;
}

/* Card glow on hover */
.feature-card {
  transition: all 0.3s ease;
  border: 1px solid rgba(220, 38, 38, 0.2);
}

.feature-card:hover {
  border-color: rgba(220, 38, 38, 0.6);
  box-shadow: 0 0 30px rgba(220, 38, 38, 0.2);
  transform: translateY(-4px);
}

/* Terminal scan line */
@keyframes scan {
  0% { top: 0; }
  100% { top: 100%; }
}

.terminal::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(220, 38, 38, 0.5), transparent);
  animation: scan 3s linear infinite;
}

/* Copy button feedback */
.copy-btn.copied {
  background-color: rgba(34, 197, 94, 0.2);
}

/* Glass morphism for cards */
.glass {
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(10px);
}

/* Text gradient */
.text-gradient {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Responsive hero text */
.hero-title {
  font-size: clamp(2.5rem, 8vw, 5rem);
  line-height: 1.1;
}

/* Ensure terminal has proper positioning for scan line */
.terminal {
  position: relative;
  overflow: hidden;
}

/* Respect user motion preferences */
@media (prefers-reduced-motion: reduce) {
  .hydra-logo {
    animation: none;
  }
  .terminal::before {
    animation: none;
  }
  .feature-card {
    transition: none;
  }
}