/* roulang page: index */
:root {
      --primary: #0F52BA;
      --accent: #FF5722;
      --bg-light: #F8FAFC;
      --text-main: #0A1128;
      --text-body: #334155;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      background-color: var(--bg-light);
      color: var(--text-body);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    }
    .custom-shadow {
      box-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.06);
    }
    .custom-shadow-hover {
      transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .custom-shadow-hover:hover {
      box-shadow: 0 16px 32px -4px rgba(15, 82, 186, 0.12);
      transform: translateY(-4px);
    }