/* roulang page: index */
:root {
      --primary: #0EA5E9;
      --primary-accent: #10B981;
      --bg-dark: #0F172A;
      --bg-light: #F8FAFC;
      --text-main: #0F172A;
      --text-muted: #475569;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      background-color: var(--bg-light);
      color: var(--text-main);
      overflow-x: hidden;
    }
    .custom-gradient-text {
      background: linear-gradient(135deg, #0EA5E9 0%, #10B981 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-bg-overlay {
      background: linear-gradient(180deg, rgba(15, 23, 42, 0.88) 0%, rgba(15, 23, 42, 0.96) 100%), url('/assets/images/b82bc9dd445fd683.png') center/cover no-repeat;
    }
    .card-shadow {
      box-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.05), 0 8px 10px -6px rgba(15, 23, 42, 0.03);
    }
    .card-shadow-hover:hover {
      box-shadow: 0 20px 30px -10px rgba(14, 165, 233, 0.15);
      transform: translateY(-4px);
    }
    details summary::-webkit-details-marker {
      display: none;
    }