/* roulang page: index */
:root {
      --bg-gradient: linear-gradient(135deg, #060B18 0%, #0A1628 100%);
      --glass-bg: rgba(16, 28, 54, 0.65);
      --glass-border: rgba(0, 242, 254, 0.18);
      --neon-glow: 0 0 25px rgba(0, 242, 254, 0.35);
    }
    body {
      background-color: #060B18;
      background-image: radial-gradient(circle at 50% 0%, rgba(79, 172, 254, 0.08) 0%, transparent 75%), var(--bg-gradient);
      color: #E2E8F0;
      font-family: inherit;
    }
    .glass-panel {
      background: var(--glass-bg);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border: 1px solid var(--glass-border);
    }
    .glass-card-hover {
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .glass-card-hover:hover {
      border-color: rgba(0, 242, 254, 0.5);
      transform: translateY(-4px);
      box-shadow: 0 12px 30px -10px rgba(0, 242, 254, 0.25);
    }
    .btn-glow {
      background: linear-gradient(90deg, #00F2FE 0%, #4FACFE 100%);
      box-shadow: 0 0 18px rgba(0, 242, 254, 0.35);
      transition: all 0.3s ease;
    }
    .btn-glow:hover {
      box-shadow: 0 0 28px rgba(0, 242, 254, 0.6);
      transform: translateY(-2px);
    }
    .text-gradient {
      background: linear-gradient(90deg, #00F2FE 0%, #4FACFE 50%, #FFFFFF 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .accordion-content {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease-out;
    }
    .accordion-item.active .accordion-content {
      max-height: 500px;
    }
    .accordion-item.active .faq-icon {
      transform: rotate(180deg);
    }