/* roulang page: index */
:root {
      --bg-dark: #070b14;
      --card-bg: rgba(13, 21, 38, 0.75);
      --electric-cyan: #00f0ff;
      --electric-blue: #0066ff;
      --sport-green: #00ff88;
      --text-main: #f8fafc;
      --text-muted: #94a3b8;
      --border-glow: rgba(0, 240, 255, 0.2);
    }
    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;
      line-height: 1.7;
    }
    .glass-panel {
      background: var(--card-bg);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border: 1px solid var(--border-glow);
    }
    .glow-cyan-btn {
      background: linear-gradient(135deg, #00f0ff 0%, #0066ff 100%);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .glow-cyan-btn:hover {
      box-shadow: 0 0 25px rgba(0, 240, 255, 0.6);
      transform: translateY(-2px);
    }
    .glow-border-hover:hover {
      border-color: rgba(0, 240, 255, 0.6);
      box-shadow: 0 0 20px rgba(0, 102, 255, 0.25);
    }
    .hero-radial-bg {
      background: radial-gradient(circle at 50% 20%, rgba(0, 102, 255, 0.18) 0%, rgba(7, 11, 20, 0.95) 75%),
                  url('/assets/images/51c2d0de0672c5b2.webp') center/cover no-repeat;
    }