/* roulang page: index */
:root {
      --bg-midnight: #080D1A;
      --bg-card: rgba(15, 23, 42, 0.65);
      --border-blue: rgba(0, 210, 255, 0.18);
      --glow-blue: 0 0 20px rgba(0, 210, 255, 0.35);
      --glow-blue-lg: 0 0 32px rgba(0, 210, 255, 0.65);
    }
    body {
      background-color: var(--bg-midnight);
      color: #94A3B8;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    }
    .glass-card {
      background: var(--bg-card);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border: 1px solid var(--border-blue);
    }
    .glass-card-hover {
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .glass-card-hover:hover {
      border-color: rgba(0, 210, 255, 0.45);
      box-shadow: var(--glow-blue);
      transform: translateY(-3px);
    }
    .cta-glow-btn {
      background: linear-gradient(135deg, #00D2FF 0%, #10B981 100%);
      box-shadow: 0 0 16px rgba(0, 210, 255, 0.3);
      transition: all 0.25s ease-in-out;
    }
    .cta-glow-btn:hover {
      box-shadow: var(--glow-blue-lg);
      transform: translateY(-2px);
    }
    .pulse-dot {
      box-shadow: 0 0 8px #10B981;
      animation: pulse 2s infinite;
    }
    @keyframes pulse {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.4; transform: scale(1.15); }
    }