/* roulang page: index */
:root {
      --primary: #1D4ED8;
      --accent: #10B981;
      --orange: #F97316;
      --dark: #0F141C;
      --carbon: #0B0E14;
      --light: #F8FAFC;
      --border: #E2E8F0;
    }
    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }
    body {
      color: #1e293b;
      background-color: #ffffff;
      line-height: 1.75;
      overflow-x: hidden;
    }
    .hero-bg {
      background: linear-gradient(135deg, rgba(15, 20, 28, 0.94) 0%, rgba(15, 20, 28, 0.82) 100%), url('/assets/images/4d36e98b554cf792.jpg') center/cover no-repeat;
    }
    .carbon-pattern {
      background: linear-gradient(180deg, #0F141C 0%, #0B0E14 100%), url('/assets/images/6ecd12a3bb1e4296.webp') center/cover fixed;
    }
    .card-hover {
      transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .card-hover:hover {
      transform: translateY(-4px);
      box-shadow: 0 14px 30px -8px rgba(15, 20, 28, 0.12);
    }
    .scroll-mt-header {
      scroll-margin-top: 110px;
    }