/* roulang page: index */
:root {
      --bg-light: #F8F9FA;
      --bg-dark: #0F141C;
      --text-main: #090D14;
      --text-muted: #475569;
      --accent: #6366F1;
      --accent-green: #10B981;
    }
    body {
      background-color: var(--bg-light);
      color: var(--text-main);
      overflow-x: hidden;
    }
    .custom-ring {
      box-shadow: 0 0 0 1px rgba(226, 232, 240, 0.8), 0 1px 3px rgba(0, 0, 0, 0.04);
    }
    .dark-ring {
      box-shadow: 0 0 0 1px rgba(51, 65, 85, 0.7);
    }
    .transition-card {
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .transition-card:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 24px -10px rgba(15, 23, 42, 0.08);
    }