/* ==========================================================================
   ROADMAP & INTERACTIVE ANIMATIONS
   ========================================================================== */

/* Keyframes */
@keyframes pulse-down {
  0% {
    top: 0%;
    opacity: 0;
  }
  20% {
    opacity: 1;
  }
  80% {
    opacity: 1;
  }
  100% {
    top: 100%;
    opacity: 0;
  }
}

@keyframes node-breathe {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(56, 189, 248, 0.4);
  }
  50% {
    box-shadow: 0 0 16px 4px rgba(56, 189, 248, 0.2);
  }
}

@keyframes packet-flow {
  0% {
    stroke-dashoffset: 200;
  }
  100% {
    stroke-dashoffset: 0;
  }
}

@keyframes subtle-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

/* Floating Technical Tags */
.floating-tech-chip {
  position: absolute;
  padding: 4px 10px;
  background: rgba(14, 20, 36, 0.7);
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: 9999px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent-cyan);
  pointer-events: none;
  animation: subtle-float 5s ease-in-out infinite;
  z-index: 1;
}

/* Reduced Motion Overrides */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .roadmap-line-glow {
    height: 100% !important;
    transition: none !important;
  }

  .roadmap-line-head {
    display: none !important;
  }

  .ambient-glow-cursor,
  .arch-pulse-particle {
    display: none !important;
  }
}