/* roulang page: index */
:root {
      --primary-color: #0F172A;
      --accent-orange: #FF5A1F;
      --accent-green: #10B981;
      --bg-light: #F8FAFC;
    }
    html {
      scroll-behavior: smooth;
    }
    .carousel-slide {
      display: none;
      transition: opacity 0.5s ease-in-out;
    }
    .carousel-slide.active {
      display: block;
    }
    .faq-content {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
    }
    .faq-content.open {
      max-height: 500px;
      transition: max-height 0.3s cubic-bezier(1, 0, 1, 0);
    }