/* roulang page: index */
:root {
      --primary: #0F52BA;
      --primary-dark: #0B132B;
      --accent-green: #00A389;
      --accent-blue: #2563EB;
      --bg-light: #F8FAFC;
      --border-color: #E2E8F0;
      --text-main: #0F172A;
      --text-muted: #475569;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      color: var(--text-main);
      background-color: var(--bg-light);
    }
    .custom-shadow {
      box-shadow: 0 10px 30px -5px rgba(15, 82, 186, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
    }
    .custom-shadow-hover {
      transition: all 0.3s ease;
    }
    .custom-shadow-hover:hover {
      transform: translateY(-4px);
      box-shadow: 0 20px 35px -5px rgba(15, 82, 186, 0.15), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    }
    details summary::-webkit-details-marker {
      display: none;
    }
    details[open] summary svg {
      transform: rotate(180deg);
    }