/* roulang page: index */
:root {
      --bg-dark: #040812;
      --bg-navy: #0A1325;
      --brand-cyan: #00D2FF;
      --brand-green: #00F5A0;
      --text-main: #F0F6FF;
      --text-muted: #94A3B8;
      --glass-bg: rgba(13, 27, 49, 0.72);
      --glass-border: rgba(0, 210, 255, 0.2);
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      background-color: var(--bg-dark);
      background-image: 
        radial-gradient(circle at 15% 20%, rgba(0, 210, 255, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 85% 65%, rgba(0, 245, 160, 0.05) 0%, transparent 45%),
        linear-gradient(180deg, #040812 0%, #081124 50%, #040812 100%);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    }
    .glass-card {
      background: var(--glass-bg);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border: 1px solid var(--glass-border);
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .glass-card:hover {
      border-color: rgba(0, 210, 255, 0.55);
      box-shadow: 0 10px 30px -10px rgba(0, 210, 255, 0.25);
      transform: translateY(-2px);
    }
    .glow-btn {
      background: linear-gradient(135deg, #00D2FF 0%, #0070F3 100%);
      box-shadow: 0 0 20px rgba(0, 210, 255, 0.4);
      transition: all 0.25s ease;
    }
    .glow-btn:hover {
      box-shadow: 0 0 32px rgba(0, 210, 255, 0.7);
      transform: translateY(-2px);
    }
    .glow-btn-alt {
      background: linear-gradient(135deg, #00F5A0 0%, #009668 100%);
      box-shadow: 0 0 20px rgba(0, 245, 160, 0.35);
      transition: all 0.25s ease;
    }
    .glow-btn-alt:hover {
      box-shadow: 0 0 30px rgba(0, 245, 160, 0.6);
      transform: translateY(-2px);
    }
    .badge-pill {
      background: rgba(0, 245, 160, 0.12);
      border: 1px solid rgba(0, 245, 160, 0.35);
      color: #00F5A0;
    }
    .custom-scroll::-webkit-scrollbar {
      height: 6px;
    }
    .custom-scroll::-webkit-scrollbar-thumb {
      background: rgba(0, 210, 255, 0.3);
      border-radius: 4px;
    }