Update hero subtitle to focus on benchmarking and quality

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: sebastianmaniak

layouts/index.html

@@ -30,7 +30,7 @@
       <img src="{{ "images/logo-color-transparent.png" | relURL }}" alt="AgentEvals" class="logo-light">
     </div>
     <h1>Ship Agents <span class="highlight">Reliably</span></h1>
-    <p>Ship agents reliably. Parse OTLP streams and Jaeger JSON traces, then evaluate against golden eval sets using ADK's evaluation framework.</p>
+    <p>Benchmark your agents before they hit production. AgentEvals scores performance and inference quality from OpenTelemetry traces — no re-runs, no guesswork.</p>
     <div class="hero-buttons">
       <a href="{{ .Site.Params.github }}" target="_blank" class="btn btn-primary">
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