/* roulang page: index */
:root {
      --primary: #1E3A8A;
      --secondary: #0284C7;
      --accent: #10B981;
      --dark-card: #0F172A;
      --bg-light: #F8FAFC;
      --text-main: #0F172A;
      --text-muted: #64748B;
      --card-shadow: 0 10px 30px -5px rgba(15, 23, 42, 0.04), 0 4px 6px -2px rgba(15, 23, 42, 0.02);
      --card-shadow-hover: 0 16px 36px -4px rgba(2, 132, 199, 0.12), 0 6px 10px -2px rgba(15, 23, 42, 0.04);
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      color: #334155;
      background-color: #FFFFFF;
      overflow-x: hidden;
    }
    .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-bg-overlay {
      background: linear-gradient(135deg, rgba(15, 23, 42, 0.94) 0%, rgba(30, 58, 138, 0.88) 100%);
    }