/* roulang page: index */
:root {
      --primary-dark: #0F172A;
      --night-bg: #0A0F1D;
      --accent-green: #059669;
      --accent-blue: #2563EB;
      --text-muted: #475569;
      --bg-slate: #F8FAFC;
      --border-gray: #E2E8F0;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      color: #0F172A;
      background-color: #FFFFFF;
      overflow-x: hidden;
    }
    .hero-cut {
      clip-path: polygon(0 0, 100% 0, 100% 93%, 0 100%);
    }
    @media (max-width: 768px) {
      .hero-cut {
        clip-path: polygon(0 0, 100% 0, 100% 97%, 0 100%);
      }
    }
    .code-mask {
      background: linear-gradient(180deg, rgba(15, 23, 42, 0.95) 0%, rgba(10, 15, 29, 0.98) 100%);
    }