/* roulang page: index */
:root {
      --color-primary: #00E599;
      --color-primary-dark: #00B377;
      --color-bg-dark: #0B0F14;
      --color-card-dark: #131C26;
      --color-border-dark: #1E293B;
      --color-accent: #FF5722;
      --color-text-main: #0F172A;
      --color-text-sub: #475569;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      background-color: #F8FAFC;
      color: #0F172A;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      overflow-x: hidden;
    }
    .hero-glow {
      box-shadow: 0 0 50px -10px rgba(0, 229, 153, 0.25);
    }
    .neon-border {
      border: 1px solid rgba(0, 229, 153, 0.4);
    }
    .neon-border:hover {
      border-color: #00E599;
      box-shadow: 0 0 20px rgba(0, 229, 153, 0.2);
    }
    .faq-content {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease-out;
    }
    .faq-item.active .faq-content {
      max-height: 200px;
    }
    .faq-item.active .faq-icon {
      transform: rotate(180deg);
    }