/* roulang page: index */
:root {
      --primary: #6366F1;
      --accent: #06B6D4;
      --highlight: #F97316;
      --dark-bg: #0F172A;
      --card-bg: #1E293B;
      --light-bg: #F8FAFC;
      --text-main: #0F172A;
      --text-sub: #334155;
      --text-muted: #64748B;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      color: var(--text-sub);
      background-color: #FFFFFF;
      overflow-x: hidden;
    }
    .gradient-text {
      background: linear-gradient(135deg, #6366F1 0%, #06B6D4 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .gradient-bg {
      background: linear-gradient(135deg, #6366F1 0%, #06B6D4 100%);
    }
    .card-shadow {
      box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.01);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .card-shadow:hover {
      transform: translateY(-6px);
      box-shadow: 0 20px 30px -10px rgba(99, 102, 241, 0.15);
    }
    .hero-mask {
      background: linear-gradient(180deg, rgba(15, 23, 42, 0.88) 0%, rgba(15, 23, 42, 0.95) 100%);
    }
    .code-editor {
      background: #0B1120;
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: 1rem;
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    }
    .badge-pill {
      display: inline-flex;
      align-items: center;
      padding: 0.35rem 0.85rem;
      border-radius: 9999px;
      font-size: 0.875rem;
      font-weight: 500;
      border: 1px solid rgba(99, 102, 241, 0.2);
      background: rgba(99, 102, 241, 0.05);
      color: #4F46E5;
    }
    .accordion-content {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease-out;
    }
    .accordion-content.active {
      max-height: 300px;
    }