new logo SVGs (color + black) replacing inline icon+text in header

assets/images/logo.svg

@@ -0,0 +1,26 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="132" height="34" viewBox="0 0 132 34">
+  <defs>
+    <linearGradient id="box-bg" x1="0" y1="0" x2="0" y2="1">
+      <stop offset="0%" stop-color="#003545"/>
+      <stop offset="100%" stop-color="#00202e"/>
+    </linearGradient>
+  </defs>
+
+  <!-- Icon body (rounded square) -->
+  <rect x="0" y="0" width="34" height="34" rx="10" fill="url(#box-bg)" stroke="#005570" stroke-width="1.2"/>
+
+  <!-- Terminal/monitor body -->
+  <rect x="6" y="11" width="22" height="15" rx="2.5" fill="none" stroke="#00f5ff" stroke-width="1.8"/>
+  <!-- Connection stalk -->
+  <path d="M17 11V7" stroke="#00f5ff" stroke-width="1.8" stroke-linecap="round"/>
+  <!-- Antenna dot -->
+  <circle cx="17" cy="5.5" r="1.5" fill="#00f5ff"/>
+  <!-- Indicator dots -->
+  <circle cx="10" cy="15.5" r="1" fill="#00f5ff"/>
+  <circle cx="14" cy="15.5" r="1" fill="#00f5ff"/>
+  <!-- Bottom bar -->
+  <path d="M10 20h14" stroke="#00f5ff" stroke-width="1.5" stroke-linecap="round"/>
+
+  <!-- Text -->
+  <text x="46" y="23" fill="#00f5ff" font-family="'Courier New', Courier, monospace" font-size="17" font-weight="700" letter-spacing="-0.5">derez.ai</text>
+</svg>