/* roulang page: index */
:root {
      --primary-gradient: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
      --surface-dark: #0F172A;
      --surface-light: #F8FAFC;
    }
    .bg-gradient-brand {
      background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    }
    .text-gradient-brand {
      background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .glass-card {
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(12px);
      border: 1px solid rgba(226, 232, 240, 0.8);
    }
    .glass-card-dark {
      background: rgba(15, 23, 42, 0.85);
      backdrop-filter: blur(12px);
      border: 1px solid rgba(255, 255, 255, 0.1);
    }
    .hero-glow {
      position: absolute;
      width: 500px;
      height: 500px;
      background: radial-gradient(circle, rgba(79, 70, 229, 0.25) 0%, rgba(6, 182, 212, 0.08) 50%, transparent 70%);
      filter: blur(50px);
      z-index: 0;
      pointer-events: none;
    }