/* roulang page: index */
:root {
      --primary: #10B981;
      --primary-dark: #059669;
      --secondary: #0F172A;
      --accent-cyan: #06B6D4;
      --accent-orange: #F97316;
      --surface-light: #F8FAFC;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
      color: #0F172A;
      background-color: #FFFFFF;
      overflow-x: hidden;
    }
    .text-glow {
      text-shadow: 0 0 20px rgba(16, 185, 129, 0.4);
    }
    .bg-grid-pattern {
      background-size: 30px 30px;
      background-image: 
        linear-gradient(to right, rgba(15, 23, 42, 0.05) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(15, 23, 42, 0.05) 1px, transparent 1px);
    }
    .bg-grid-dark {
      background-size: 30px 30px;
      background-image: 
        linear-gradient(to right, rgba(255, 255, 255, 0.05) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    }
    .code-scroll::-webkit-scrollbar {
      height: 6px;
    }
    .code-scroll::-webkit-scrollbar-thumb {
      background: #334155;
      border-radius: 3px;
    }