/* roulang page: index */
:root {
      --primary: #0F52BA;
      --primary-dark: #0B132B;
      --accent: #00D2B4;
      --bg-light: #F8FAFC;
      --text-main: #0F172A;
      --text-muted: #475569;
      --card-shadow: 0 10px 30px -5px rgba(15, 82, 186, 0.06), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
      --card-shadow-hover: 0 20px 35px -5px rgba(15, 82, 186, 0.14), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    }
    .custom-shadow {
      box-shadow: var(--card-shadow);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .custom-shadow:hover {
      box-shadow: var(--card-shadow-hover);
      transform: translateY(-4px);
    }
    .hero-pattern {
      background-image: radial-gradient(rgba(15, 82, 186, 0.08) 1px, transparent 0);
      background-size: 24px 24px;
    }
    .tech-grid-dark {
      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);
      background-size: 32px 32px;
    }