/* roulang page: index */
:root {
      --primary-gradient: linear-gradient(135deg, #4F46E5 0%, #7C3AED 100%);
      --accent-neon: #06B6D4;
      --accent-green: #10B981;
      --bg-dark: #0F172A;
      --bg-card: #1E293B;
      --text-main: #F8FAFC;
      --text-sub: #94A3B8;
      --text-muted: #64748B;
      --border-color: rgba(51, 65, 85, 0.7);
    }
    body {
      background-color: var(--bg-dark);
      color: var(--text-main);
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      overflow-x: hidden;
    }
    .custom-card {
      background: rgba(30, 41, 59, 0.75);
      backdrop-filter: blur(12px);
      border: 1px solid rgba(100, 116, 139, 0.25);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .custom-card:hover {
      transform: translateY(-4px);
      border-color: rgba(124, 58, 237, 0.6);
      box-shadow: 0 12px 30px -8px rgba(124, 58, 237, 0.35);
    }
    .badge-capsule {
      display: inline-flex;
      align-items: center;
      padding: 0.25rem 0.75rem;
      border-radius: 9999px;
      font-size: 0.75rem;
      font-weight: 600;
      letter-spacing: 0.05em;
    }
    .text-glow {
      text-shadow: 0 0 15px rgba(124, 58, 237, 0.6);
    }
    .accordion-content {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease-out;
    }
    .accordion-item.active .accordion-content {
      max-height: 250px;
    }
    .accordion-item.active .accordion-arrow {
      transform: rotate(180deg);
    }