/* roulang page: index */
:root {
      --primary: #1E40AF;
      --accent: #0284C7;
      --bg-light: #F8FAFC;
      --text-main: #0F172A;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
    }
    body {
      color: var(--text-main);
      background-color: var(--bg-light);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      overflow-x: hidden;
    }
    .hero-badge-glow {
      box-shadow: 0 0 25px rgba(2, 132, 199, 0.35);
    }
    .accordion-content {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
    }
    .accordion-content.expanded {
      max-height: 500px;
      transition: max-height 0.35s ease-in-out;
    }