/* roulang page: index */
:root {
      --primary-radar: #0284C7;
      --primary-dark: #0369A1;
      --aero-slate: #0F172A;
      --aero-navy: #1E293B;
      --signal-green: #059669;
      --light-canvas: #F8FAFC;
      --text-main: #0F172A;
      --text-muted: #64748B;
      --border-line: #E2E8F0;
    }

    body {
      background-color: var(--light-canvas);
      color: var(--text-main);
      overflow-x: hidden;
      font-feature-settings: "cv02", "cv03", "cv04", "cv11";
    }

    .telemetry-grid {
      background-size: 24px 24px;
      background-image: 
        linear-gradient(to right, rgba(2, 132, 199, 0.05) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(2, 132, 199, 0.05) 1px, transparent 1px);
    }

    .dark-telemetry-grid {
      background-size: 30px 30px;
      background-image: 
        linear-gradient(to right, rgba(255, 255, 255, 0.04) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
    }

    .card-transition {
      transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .card-transition:hover {
      transform: translateY(-4px);
      box-shadow: 0 12px 24px -6px rgba(2, 132, 199, 0.12), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
    }

    details > summary {
      list-style: none;
    }
    details > summary::-webkit-details-marker {
      display: none;
    }
    details[open] summary svg {
      transform: rotate(180deg);
    }