<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 180 40" width="180" height="40">
  <defs>
    <linearGradient id="headerGradientDark" x1="0%" y1="0%" x2="100%" y2="100%">
      <stop offset="0%" stop-color="#38BDF8"/>
      <stop offset="50%" stop-color="#22D3EE"/>
      <stop offset="100%" stop-color="#2DD4BF"/>
    </linearGradient>
  </defs>

  <!-- Icon: Segmented circle with center dot -->
  <g transform="translate(20, 20)">
    <!-- Four arc segments -->
    <path d="M 2 -12 A 12 12 0 0 1 12 -2"
          fill="none" stroke="url(#headerGradientDark)" stroke-width="2.5" stroke-linecap="round"/>
    <path d="M 12 2 A 12 12 0 0 1 2 12"
          fill="none" stroke="url(#headerGradientDark)" stroke-width="2.5" stroke-linecap="round"/>
    <path d="M -2 12 A 12 12 0 0 1 -12 2"
          fill="none" stroke="url(#headerGradientDark)" stroke-width="2.5" stroke-linecap="round"/>
    <path d="M -12 -2 A 12 12 0 0 1 -2 -12"
          fill="none" stroke="url(#headerGradientDark)" stroke-width="2.5" stroke-linecap="round"/>
    <!-- Center dot -->
    <circle cx="0" cy="0" r="3" fill="url(#headerGradientDark)"/>
  </g>

  <!-- Wordmark -->
  <text x="42" y="26" font-family="'SF Pro Display', 'Segoe UI', -apple-system, sans-serif"
        font-size="20" letter-spacing="-0.5">
    <tspan font-weight="400" fill="#F1F5F9">Omni</tspan><tspan font-weight="600" fill="url(#headerGradientDark)">trace</tspan>
  </text>
</svg>
