/* roulang page: index */
:root {
      --primary: #6366F1;
      --secondary: #06B6D4;
      --accent: #F43F5E;
      --bg-light: #F8FAFC;
      --text-main: #0F172A;
      --text-muted: #64748B;
      --border-color: rgba(226, 232, 240, 0.8);
      --radius-card: 1.5rem;
      --shadow-soft: 0 20px 25px -5px rgba(15, 23, 42, 0.05), 0 8px 10px -6px rgba(15, 23, 42, 0.03);
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
      color: #334155;
      background-color: #FFFFFF;
      overflow-x: hidden;
    }
    .badge-glow {
      box-shadow: 0 0 12px rgba(6, 182, 212, 0.4);
    }
    .hero-bg {
      background: linear-gradient(135deg, rgba(15, 23, 42, 0.92) 0%, rgba(11, 15, 25, 0.96) 100%), url('/assets/images/b2930d56dcd919b0.jpg') center/cover no-repeat;
    }
    .card-hover {
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .card-hover:hover {
      transform: translateY(-4px);
      box-shadow: 0 25px 30px -10px rgba(99, 102, 241, 0.15);
      border-color: rgba(99, 102, 241, 0.4);
    }
    .dark-radial-bg {
      background: radial-gradient(circle at 50% 20%, #1e1b4b 0%, #0B0F19 80%);
    }