/* roulang page: index */
:root {
      --primary-gradient: linear-gradient(135deg, #0F52BA 0%, #00A896 100%);
      --accent-gradient: linear-gradient(135deg, #7B2CBF 0%, #6C5CE7 100%);
      --surface-gradient: linear-gradient(180deg, rgba(255,255,255,0.95) 0%, rgba(248,250,252,0.9) 100%);
      --dark-gradient: linear-gradient(180deg, #0B132B 0%, #060B18 100%);
      --card-shadow: 0 10px 30px -5px rgba(15, 82, 186, 0.08);
      --card-shadow-hover: 0 20px 40px -8px rgba(15, 82, 186, 0.16);
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      background-color: #F8FAFC;
      color: #1E293B;
      font-feature-settings: "cv02", "cv03", "cv04", "cv11";
    }
    .custom-gradient-text {
      background: var(--primary-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .badge-pulse::before {
      content: '';
      display: inline-block;
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background-color: #00A896;
      margin-right: 8px;
      box-shadow: 0 0 0 0 rgba(0, 168, 150, 0.7);
      animation: pulse-ring 2s infinite cubic-bezier(0.66, 0, 0, 1);
    }
    @keyframes pulse-ring {
      0% { box-shadow: 0 0 0 0 rgba(0, 168, 150, 0.7); }
      70% { box-shadow: 0 0 0 8px rgba(0, 168, 150, 0); }
      100% { box-shadow: 0 0 0 0 rgba(0, 168, 150, 0); }
    }
    .card-hover-fx {
      transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .card-hover-fx:hover {
      transform: translateY(-4px);
      box-shadow: var(--card-shadow-hover);
    }
    .accordion-content {
      transition: max-height 0.3s ease-out, opacity 0.25s ease-out;
      max-height: 0;
      opacity: 0;
      overflow: hidden;
    }
    .accordion-item.active .accordion-content {
      max-height: 300px;
      opacity: 1;
    }
    .accordion-item.active .accordion-icon {
      transform: rotate(180deg);
    }