/* roulang page: index */
:root {
      --primary: #4F46E5;
      --primary-dark: #3730A3;
      --accent: #10B981;
      --bg-dark: #0F172A;
      --bg-light: #F8FAFC;
      --text-main: #0F172A;
      --text-muted: #475569;
      --card-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.01);
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      background-color: var(--bg-light);
      color: var(--text-main);
      overflow-x: hidden;
    }
    .custom-gradient {
      background: linear-gradient(135deg, #4F46E5 0%, #7C3AED 100%);
    }
    .hero-mask {
      clip-path: polygon(0 0, 100% 0, 100% 90%, 0 100%);
    }
    details summary::-webkit-details-marker {
      display: none;
    }
    details[open] summary .faq-icon {
      transform: rotate(180deg);
    }