/* roulang page: index */
:root {
      --primary-navy: #0F4C81;
      --primary-sky: #0284C7;
      --dark-surface: #0B132B;
      --light-bg: #F8FAFC;
      --card-border: rgba(226, 232, 240, 0.8);
    }
    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    }
    .custom-scrollbar::-webkit-scrollbar {
      width: 6px;
      height: 6px;
    }
    .custom-scrollbar::-webkit-scrollbar-thumb {
      background: #cbd5e1;
      border-radius: 4px;
    }
    .video-hero-overlay {
      background: linear-gradient(135deg, rgba(11, 19, 43, 0.88) 0%, rgba(15, 76, 129, 0.75) 100%);
    }
    .card-hover-effect {
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .card-hover-effect:hover {
      transform: translateY(-4px);
      box-shadow: 0 20px 25px -5px rgba(15, 76, 129, 0.1), 0 8px 10px -6px rgba(15, 76, 129, 0.1);
    }