/* Critical Baseline Rules */
    html {
      scroll-behavior: smooth;
      scroll-padding-top: 5rem;
      background-color: #070709;
    }
    body {
      background-color: #070709;
      color: #f8fafc;
      font-family: 'Prompt', 'Inter', system-ui, sans-serif;
      overflow-x: hidden;
      margin: 0;
      -webkit-font-smoothing: antialiased;
    }

    /* Fixed Navigation Containment */
    .glass-nav {
      background: rgba(7, 7, 9, 0.94);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
      contain: layout size style;
      height: 80px;
      min-height: 80px;
      max-height: 80px;
    }

    /* Hero Section Sizing Isolation */
    #hero {
      contain: layout size;
      position: relative;
      width: 100%;
      height: 100dvh;
      min-height: 100dvh;
      overflow: hidden;
      background-color: #070709;
    }
    .hero-slide {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      background-color: #070709;
      will-change: opacity;
    }

    /* Floating Widget Isolation */
    #lang-switcher-bar {
      contain: layout style;
      transform: translateZ(0);
      will-change: transform;
    }

    /* Offscreen Content Visibility Optimization */
    .content-section {
      width: 100%;
      position: relative;
      padding-top: 4rem;
      padding-bottom: 4rem;
      box-sizing: border-box;
      content-visibility: auto;
      contain-intrinsic-size: 1px 650px;
    }
    @media (min-width: 768px) {
      .content-section {
        padding-top: 5rem;
        padding-bottom: 5rem;
      }
    }
    @media (min-width: 1024px) {
      .content-section {
        padding-top: 5.5rem;
        padding-bottom: 5.5rem;
      }
    }

    /* Glass Panels */
    .glass-panel-clean {
      background: rgba(18, 18, 26, 0.7);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
    }

    /* Gradient Typography */
    .gradient-text-red-yellow {
      background: linear-gradient(135deg, #ef4444 0%, #f59e0b 50%, #eab308 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .gradient-text-yellow {
      background: linear-gradient(135deg, #facc15 0%, #eab308 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    /* Responsive Chart Container with Reserved Height */
    .chart-container {
      position: relative;
      width: 100%;
      max-width: 650px;
      margin-left: auto;
      margin-right: auto;
      height: 280px;
      min-height: 280px;
      max-height: 340px;
    }
    @media (min-width: 768px) {
      .chart-container {
        height: 320px;
        min-height: 320px;
      }
    }

    /* Accessible Focus States */
    a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
      outline: 2px solid #eab308;
      outline-offset: 2px;
    }

    /* Smooth Scrollbar */
    ::-webkit-scrollbar {
      width: 6px;
    }
    ::-webkit-scrollbar-track {
      background: #070709;
    }
    ::-webkit-scrollbar-thumb {
      background: #ef4444;
      border-radius: 3px;
    }