/* roulang page: index */
:root {
      --bg-dark: #080d1a;
      --bg-card: #0f182e;
      --bg-alt: #131f3d;
      --neon-blue: #00f2fe;
      --deep-cyan: #4facfe;
      --energy-green: #00e676;
      --text-main: #f8fafc;
      --text-muted: #94a3b8;
      --glass-border: rgba(255, 255, 255, 0.08);
      --glass-bg: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.01) 100%);
    }

    body {
      background-color: var(--bg-dark);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      overflow-x: hidden;
    }

    .glass-panel {
      background: var(--glass-bg);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border: 1px solid var(--glass-border);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .glass-panel:hover {
      border-color: rgba(0, 242, 254, 0.35);
      box-shadow: 0 10px 30px -10px rgba(0, 242, 254, 0.15);
    }

    .btn-neon {
      background: linear-gradient(135deg, #00f2fe 0%, #4facfe 100%);
      color: #040914;
      font-weight: 700;
      box-shadow: 0 0 25px rgba(0, 242, 254, 0.35);
      transition: all 0.25s ease-in-out;
    }

    .btn-neon:hover {
      transform: translateY(-2px) scale(1.02);
      box-shadow: 0 0 35px rgba(0, 242, 254, 0.55);
    }

    .text-glow {
      text-shadow: 0 0 20px rgba(0, 242, 254, 0.4);
    }

    .badge-energy {
      background: rgba(0, 230, 118, 0.1);
      border: 1px solid rgba(0, 230, 118, 0.3);
      color: #00e676;
    }

    .badge-blue {
      background: rgba(0, 242, 254, 0.1);
      border: 1px solid rgba(0, 242, 254, 0.3);
      color: #00f2fe;
    }

    .section-divider {
      background: radial-gradient(ellipse at center, rgba(0, 242, 254, 0.15) 0%, rgba(8, 13, 26, 0) 70%);
      height: 1px;
    }

    /* Accordion styles */
    .faq-content {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease-out;
    }
    .faq-item.active .faq-content {
      max-height: 250px;
    }
    .faq-item.active .faq-icon {
      transform: rotate(180deg);
      color: #00f2fe;
    }