/* roulang page: index */
:root {
      --primary-dark: #0B192C;
      --primary-teal: #008779;
      --primary-mint: #00E676;
      --accent-orange: #FF6B35;
      --bg-light: #F8FAFC;
      --card-border: rgba(226, 232, 240, 0.8);
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      color: #334155;
      background-color: #FAFCFF;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    }
    .hero-glow-bg {
      background: radial-gradient(circle at 50% 30%, rgba(0, 135, 121, 0.18) 0%, rgba(11, 25, 44, 0.96) 65%), #0B192C;
    }
    .custom-card-shadow {
      box-shadow: 0 10px 30px -5px rgba(11, 25, 44, 0.05), 0 0 1px 1px rgba(226, 232, 240, 0.8);
      transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .custom-card-shadow:hover {
      transform: translateY(-4px);
      box-shadow: 0 20px 35px -5px rgba(0, 135, 121, 0.15), 0 0 1px 1px rgba(0, 230, 118, 0.3);
    }
    .tech-border-glow {
      border: 1px solid rgba(0, 230, 118, 0.2);
      box-shadow: 0 0 25px rgba(0, 135, 121, 0.15);
    }
    details summary::-webkit-details-marker {
      display: none;
    }