:root {
      --bg: #050810;
      --bg-elevated: #0a1220;
      --bg-panel: #0d1420;
      --text: #e8f4ff;
      --text-muted: #8aaabb;
      --text-dim: #5a7a99;
      --accent: #00e5ff;
      --accent-dim: rgba(0, 229, 255, 0.15);
      --border: rgba(0, 229, 255, 0.12);
      --max: 1080px;
    }

    *, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
    html { scroll-behavior: smooth; }

    body {
      font-family: "Space Grotesk", -apple-system, BlinkMacSystemFont, sans-serif;
      background: var(--bg);
      color: var(--text);
      line-height: 1.6;
      min-height: 100vh;
      position: relative;
      z-index: 1;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      z-index: 0;
      pointer-events: none;
      background-image:
        linear-gradient(rgba(0, 229, 255, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 229, 255, 0.04) 1px, transparent 1px);
      background-size: 48px 48px;
      mask-image: radial-gradient(ellipse at 50% 0%, black 20%, transparent 75%);
    }

    #site-bg {
      --site-bg-opacity: 0.52;
      --site-bg-art-strength: 0.88;
      --site-bg-art-brightness: 0.72;
      --site-bg-art-saturate: 0.9;
      --site-bg-art-scrim: 0.22;
      --pointer-x: 50%;
      --pointer-y: 38%;
      position: fixed;
      inset: 0;
      z-index: 0;
      pointer-events: none;
      overflow: hidden;
    }

    .site-bg-art {
      position: absolute;
      inset: -8%;
      z-index: 0;
      background-image: url("/assets/images/hero-nebula-network.webp?v=5f228fc45b29");
      background-position: 58% 42%;
      background-size: cover;
      background-repeat: no-repeat;
      opacity: calc(var(--site-bg-opacity, 0.52) * var(--site-bg-art-strength, 0.88));
      transform: translateY(var(--site-bg-scroll, 0)) scale(1.02);
      filter: brightness(var(--site-bg-art-brightness, 0.72))
        saturate(var(--site-bg-art-saturate, 0.9))
        contrast(1.02);
      animation: site-bg-art-drift 52s ease-in-out infinite alternate;
    }

    .site-bg-art::after {
      content: "";
      position: absolute;
      inset: 0;
      pointer-events: none;
      background: linear-gradient(
        165deg,
        rgba(5, 8, 16, calc(var(--site-bg-art-scrim, 0.22) * 0.75)) 0%,
        rgba(5, 8, 16, var(--site-bg-art-scrim, 0.22)) 45%,
        rgba(5, 8, 16, calc(var(--site-bg-art-scrim, 0.22) * 1.05)) 100%
      );
    }

    @keyframes site-bg-art-drift {
      from {
        transform: translateY(var(--site-bg-scroll, 0)) scale(1.01) translate(-0.6%, -0.3%);
      }
      to {
        transform: translateY(var(--site-bg-scroll, 0)) scale(1.04) translate(0.7%, 0.4%);
      }
    }

    #site-bg[data-art-layer="true"] #site-bg-canvas {
      opacity: calc(var(--site-bg-opacity, 0.52) * 0.72);
      visibility: visible;
      transform: none;
    }

    .eyebrow {
      font-family: "JetBrains Mono", monospace;
      font-size: 0.7rem;
      letter-spacing: 0.2em;
      text-transform: uppercase;
      color: var(--accent);
      opacity: 0.75;
      margin-bottom: 1rem;
    }

    a {
      color: var(--accent);
      text-decoration: none;
      transition: opacity 0.2s;
    }
    a:hover { opacity: 0.8; }

    .section {
      padding: 3.5rem 0;
      border-top: 1px solid var(--border);
    }

    .section-head {
      margin-bottom: 2rem;
      text-align: center;
      max-width: 42rem;
      margin-left: auto;
      margin-right: auto;
    }

    .section-head h2 {
      font-size: 1.5rem;
      font-weight: 600;
      letter-spacing: -0.01em;
      margin-bottom: 0.5rem;
    }

    .section-head p {
      color: var(--text-muted);
      max-width: 36rem;
      margin-left: auto;
      margin-right: auto;
    }

    .btn {
      display: inline-block;
      padding: 0.65rem 1.15rem;
      border: 1px solid rgba(0, 229, 255, 0.35);
      border-radius: 8px;
      background: rgba(0, 229, 255, 0.12);
      color: var(--accent);
      font-family: "Space Grotesk", sans-serif;
      font-size: 0.88rem;
      font-weight: 600;
      cursor: pointer;
      text-decoration: none;
      transition: background 0.15s;
    }
    .btn:hover { background: rgba(0, 229, 255, 0.2); opacity: 1; }
    .btn-secondary {
      background: transparent;
      color: var(--text-muted);
      border-color: rgba(0, 229, 255, 0.18);
    }
    .btn-secondary:hover {
      background: rgba(0, 229, 255, 0.06);
      color: var(--text);
    }

    .site-legal-footer {
      text-align: center;
      padding: 2.5rem 1.5rem;
      border-top: 1px solid var(--border);
      margin-top: 1rem;
      font-size: 0.82rem;
      color: var(--text-dim);
    }
    .site-legal-footer nav {
      margin-top: 0.5rem;
      display: flex;
      justify-content: center;
      gap: 1.25rem;
    }
    .site-legal-footer a { color: var(--accent); text-decoration: none; }
    .site-legal-footer a:hover { text-decoration: underline; opacity: 1; }

    @media (max-width: 640px) {
      .section { padding: 2.5rem 0; }
    }

    /* Glass card effect for product hero and countdown */
    .product-hero {
      background: rgba(5, 8, 16, 0.45);
      backdrop-filter: blur(8px);
      -webkit-backdrop-filter: blur(8px);
      border: 1px solid var(--border);
      border-radius: 14px;
      margin: 2.5rem auto 0;
      max-width: 52rem;
    }

    .launch-teaser-section .launch-teaser-inner {
      backdrop-filter: blur(6px);
      -webkit-backdrop-filter: blur(6px);
    }

    .video-section {
      background: rgba(5, 8, 16, 0.45);
      backdrop-filter: blur(6px);
      -webkit-backdrop-filter: blur(6px);
      border: 1px solid var(--border);
      border-radius: 14px;
      margin: 0 auto 2rem;
      max-width: 52rem;
      padding: 2rem 1.5rem;
    }

    /* Spotlight beam */
    .site-bg-spotlight {
      position: absolute;
      inset: 0;
      z-index: 2;
      overflow: visible;
      opacity: 1;
      pointer-events: none;
    }

    .site-bg-spotlight-beam {
      position: absolute;
      left: 0;
      top: 0;
      width: 420px;
      height: 420px;
      margin: 0;
      border-radius: 50%;
      background: radial-gradient(
        circle at center,
        rgba(0, 229, 255, 0.22),
        rgba(0, 120, 160, 0.09) 40%,
        transparent 64%
      );
      opacity: 0;
      visibility: hidden;
      will-change: transform, opacity;
      transform: translate3d(-9999px, -9999px, 0) translate(-50%, -50%);
      transition: none;
    }

    #site-bg.site-bg--pointer .site-bg-spotlight-beam {
      opacity: calc(var(--site-bg-opacity, 0.52) * 1.15);
      visibility: visible;
    }

    #site-bg-canvas {
      display: block;
      width: 100%;
      height: 100%;
      z-index: 1;
      opacity: var(--site-bg-opacity, 0.52);
      transform: translateY(calc(var(--site-bg-scroll, 0) * -0.25));
    }

    /* Reduced motion: disable canvas and spotlight */
    @media (prefers-reduced-motion: reduce) {
      #site-bg-canvas,
      .site-bg-spotlight {
        display: none;
      }

      .site-bg-art {
        animation: none;
      }

      body::before {
        transform: none;
      }
    }

    /* Touch: fallback spotlight glow */
    @media (pointer: coarse) {
      .site-bg-spotlight {
        background: radial-gradient(
          ellipse 90% 55% at 50% 12%,
          rgba(0, 229, 255, 0.05),
          transparent 70%
        );
      }
    }