/* roulang page: index */
:root {
      --primary: #0F766E;
      --secondary: #3730A3;
      --accent: #10B981;
      --bg-dark: #0F172A;
      --text-main: #0F172A;
      --text-body: #334155;
      --border-color: #E2E8F0;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      color: var(--text-body);
      background-color: #F8FAFC;
    }
    .custom-scroll::-webkit-scrollbar {
      height: 6px;
    }
    .custom-scroll::-webkit-scrollbar-thumb {
      background: #CBD5E1;
      border-radius: 4px;
    }
    .hero-glow {
      background: radial-gradient(circle at 50% 30%, rgba(15, 118, 110, 0.08) 0%, rgba(248, 250, 252, 0) 70%);
    }
    .tab-active {
      border-bottom: 2px solid #0F766E;
      color: #0F766E;
      font-weight: 600;
    }
    .accordion-content {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .accordion-item.active .accordion-content {
      max-height: 350px;
    }
    .accordion-item.active .accordion-icon {
      transform: rotate(180deg);
    }
    .accordion-item.active {
      border-color: #0F766E;
      box-shadow: 0 4px 6px -1px rgba(15, 118, 110, 0.08);
    }
    .tabular-numbers {
      font-variant-numeric: tabular-nums;
    }