/* roulang page: index */
:root {
      --primary-blue: #1D4ED8;
      --deep-navy: #0F172A;
      --accent-cyan: #0284C7;
      --card-bg: #FFFFFF;
      --page-bg: #F8FAFC;
    }
    body {
      background-color: var(--page-bg);
      color: #334155;
      font-feature-settings: "cv02", "cv03", "cv04", "cv11";
    }
    .custom-card-shadow {
      box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .custom-card-shadow:hover {
      transform: translateY(-4px);
      box-shadow: 0 20px 25px -5px rgba(30, 58, 138, 0.1), 0 8px 10px -6px rgba(30, 58, 138, 0.06);
    }
    .hero-stack-card {
      transition: all 0.4s ease;
    }
    .hero-stack-card:hover {
      transform: translateY(-6px) scale(1.01);
    }
    details summary::-webkit-details-marker {
      display: none;
    }