/* roulang page: index */
:root {
      --primary: #00F59B;
      --primary-hover: #10B981;
      --bg-dark: #090D16;
      --bg-card: #0F172A;
      --border-subtle: #1E293B;
      --text-main: #F8FAFC;
      --text-muted: #94A3B8;
      --accent-cyan: #06B6D4;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      background-color: var(--bg-dark);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      overflow-x: hidden;
    }
    .text-glow {
      text-shadow: 0 0 20px rgba(0, 245, 155, 0.4);
    }
    .box-glow {
      box-shadow: 0 0 25px rgba(0, 245, 155, 0.15);
    }
    .card-border-glow {
      position: relative;
      background: #0F172A;
      border: 1px solid #1E293B;
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .card-border-glow:hover {
      border-color: #00F59B;
      box-shadow: 0 10px 30px -10px rgba(0, 245, 155, 0.2);
      transform: translateY(-3px);
    }
    .progress-circle {
      transform: rotate(-90deg);
      transform-origin: 50% 50%;
    }
    .accordion-content {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease-out;
    }
    .accordion-active .accordion-content {
      max-height: 280px;
    }
    .accordion-active .accordion-icon {
      transform: rotate(180deg);
    }
    @media (max-width: 640px) {
      .mobile-hide {
        display: none !important;
      }
    }