/* roulang page: index */
:root {
      --primary: #0F2B48;
      --accent-start: #10B981;
      --accent-end: #0284C7;
      --bg-light: #F8FAFC;
      --text-main: #1E293B;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
      --radius-card: 20px;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      color: var(--text-main);
      background-color: var(--bg-light);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
      overflow-x: hidden;
    }
    .gradient-brand {
      background: linear-gradient(135deg, #10B981 0%, #0284C7 100%);
    }
    .text-gradient {
      background: linear-gradient(135deg, #10B981 0%, #0284C7 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .badge-data {
      border: 1px solid rgba(16, 185, 129, 0.3);
      background: rgba(16, 185, 129, 0.08);
    }
    .pulse-dot {
      animation: pulseAnimation 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
    }
    @keyframes pulseAnimation {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.4; transform: scale(1.2); }
    }
    .card-hover {
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .card-hover:hover {
      transform: translateY(-4px);
      box-shadow: 0 20px 35px -10px rgba(15, 43, 72, 0.12);
    }
    .accordion-content {
      transition: max-height 0.3s ease-out, opacity 0.3s ease-out;
    }