/* roulang page: index */
:root {
      --primary-color: #00E676;
      --secondary-color: #FF3D00;
      --accent-color: #00E5FF;
      --bg-main: #0B0E14;
      --bg-card: #141923;
      --text-main: #F1F5F9;
      --text-muted: #94A3B8;
      --border-subtle: #242D3D;
    }
    body {
      background-color: var(--bg-main);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      overflow-x: hidden;
    }
    .glow-border:hover {
      box-shadow: 0 0 25px -5px rgba(0, 230, 118, 0.25);
      border-color: #00E676;
    }
    .neon-text-green {
      text-shadow: 0 0 10px rgba(0, 230, 118, 0.4);
    }
    .neon-text-cyan {
      text-shadow: 0 0 10px rgba(0, 229, 255, 0.4);
    }
    .bg-grid-pattern {
      background-image: radial-gradient(rgba(0, 230, 118, 0.1) 1px, transparent 0);
      background-size: 28px 28px;
    }
    .accordion-content {
      transition: max-height 0.3s ease-out, opacity 0.3s ease;
    }
