/* roulang page: index */
* {
      box-sizing: border-box;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      margin: 0;
      background-color: #0F172A;
      color: #1E293B;
      line-height: 1.7;
      font-weight: 400;
      -webkit-font-smoothing: antialiased;
    }
    .font-tabular {
      font-variant-numeric: tabular-nums;
    }
    .backdrop-blur-nav {
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
    }
    .hero-gradient {
      background: radial-gradient(circle at 20% 30%, rgba(45, 212, 191, 0.08) 0%, transparent 45%),
                  radial-gradient(circle at 80% 70%, rgba(49, 46, 129, 0.3) 0%, transparent 55%),
                  linear-gradient(135deg, #0F172A 0%, #1E1B4B 100%);
    }
    .hero-image-mask {
      mask-image: linear-gradient(to bottom, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.2) 80%, rgba(0,0,0,0) 100%);
      -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.2) 80%, rgba(0,0,0,0) 100%);
    }
    .text-shadow-soft {
      text-shadow: 0 4px 20px rgba(0,0,0,0.5);
    }
    .border-glow-cyan {
      transition: border-color 0.25s ease, box-shadow 0.25s ease;
    }
    .border-glow-cyan:hover {
      border-color: #2DD4BF;
      box-shadow: 0 0 12px rgba(45, 212, 191, 0.2);
    }
    .cta-primary {
      background: linear-gradient(135deg, #312E81 0%, #4338CA 100%);
      transition: all 0.2s ease;
    }
    .cta-primary:hover {
      background: linear-gradient(135deg, #4338CA 0%, #4F46E5 100%);
      transform: translateY(-2px);
      box-shadow: 0 8px 18px rgba(49, 46, 129, 0.4);
    }
    .cta-primary:active {
      transform: scale(0.98);
    }
    .cta-outline {
      background: transparent;
      border: 1px solid #4338CA;
      color: #E2E8F0;
      transition: all 0.2s ease;
    }
    .cta-outline:hover {
      background: rgba(49, 46, 129, 0.15);
      border-color: #2DD4BF;
      color: #ffffff;
      transform: translateY(-2px);
    }
    .nav-active {
      color: #ffffff;
      background: rgba(45, 212, 191, 0.12);
      border-radius: 9999px;
      padding: 6px 16px;
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.25s ease;
    }
    .faq-item.active .faq-answer {
      max-height: 280px;
      padding-bottom: 20px;
    }
    .input-focus:focus {
      border-color: #2DD4BF;
      outline: none;
      box-shadow: 0 0 0 3px rgba(45, 212, 191, 0.25);
    }
    @media (max-width: 768px) {
      .mobile-bottom-nav {
        display: flex;
      }
      .desktop-nav-links {
        display: none;
      }
      .hero-title {
        font-size: 2.5rem;
      }
    }
    @media (min-width: 769px) {
      .mobile-bottom-nav {
        display: none;
      }
      .desktop-nav-links {
        display: flex;
      }
    }