html { scroll-behavior: smooth; }
  body { background-color: #030308; }
  section[id] { scroll-margin-top: 90px; }
  ::selection { background: #5EEBFF; color: #000; }
  ::-webkit-scrollbar { width: 10px; }
  ::-webkit-scrollbar-track { background: #030308; }
  ::-webkit-scrollbar-thumb { background: rgba(94,235,255,0.25); border-radius: 10px; }
  ::-webkit-scrollbar-thumb:hover { background: rgba(94,235,255,0.45); }
  a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
    outline: 2px solid #5EEBFF; outline-offset: 2px;
  }
  @keyframes modalPop { 0% { transform: scale(0.94); opacity: 0; } 100% { transform: scale(1); opacity: 1; } }
  @keyframes ambientGlow {
    0% { box-shadow: 0 20px 60px rgba(94,235,255,0.10); }
    100% { box-shadow: 0 25px 80px rgba(167,139,250,0.22); }
  }
  .demo-frame { animation: ambientGlow 3.2s ease-in-out infinite alternate; }
  .text-gradient {
    background: linear-gradient(90deg, #F4F6FF 20%, #5EEBFF 60%, #A78BFA 100%);
    -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  }
  .ghost-num {
    -webkit-text-stroke: 1.5px rgba(94,235,255,0.5);
    color: transparent;
  }