feat: add prelaunch site controls and refresh branding

static/brand/shd-core-segments.svg

@@ -0,0 +1,10 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" role="img" aria-labelledby="title">
+  <title id="title">SHD.build Core Segments emblem</title>
+  <g fill="none" stroke="#f6a821" stroke-width="12" stroke-linecap="butt">
+    <path d="M73 20A38 38 0 0 0 15 63"/>
+    <path d="M85 37A38 38 0 0 1 55 88"/>
+    <path d="M42 87A38 38 0 0 1 18 70"/>
+  </g>
+  <rect x="72" y="23" width="10" height="10" fill="#f6a821"/>
+  <path d="M62 35H35V65H62M68 43V57" fill="none" stroke="#ecebe5" stroke-width="9" stroke-linecap="butt" stroke-linejoin="miter"/>
+</svg>

static/favicon.svg

@@ -1,9 +1,13 @@
-<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 64 64">
-	<rect width="64" height="64" rx="14" fill="#0a0c0d"/>
-	<circle cx="32" cy="32" r="24" fill="none" stroke="#f6a821" stroke-width="2"/>
-	<circle cx="32" cy="32" r="19" fill="none" stroke="#f6a821" stroke-opacity=".38" stroke-width="1"/>
-	<path d="M32 4v7M32 53v7M4 32h7M53 32h7" stroke="#f6a821" stroke-width="2"/>
-	<circle cx="46" cy="18" r="3" fill="#f6a821"/>
-	<circle cx="18" cy="46" r="3" fill="#f6a821"/>
-	<text x="32" y="36" fill="#f6a821" font-family="Arial,Helvetica,sans-serif" font-size="11" font-weight="900" text-anchor="middle" letter-spacing=".5">SHD</text>
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 64 64" role="img" aria-labelledby="title">
+	<title id="title">SHD.build</title>
+	<rect width="64" height="64" rx="8" fill="#0a0c0d"/>
+	<g transform="translate(7 7) scale(.5)">
+		<g fill="none" stroke="#f6a821" stroke-width="13" stroke-linecap="butt">
+			<path d="M73 20A38 38 0 0 0 15 63"/>
+			<path d="M85 37A38 38 0 0 1 55 88"/>
+			<path d="M42 87A38 38 0 0 1 18 70"/>
+		</g>
+		<rect x="72" y="23" width="11" height="11" fill="#f6a821"/>
+		<path d="M62 35H35V65H62M68 43V57" fill="none" stroke="#ecebe5" stroke-width="10" stroke-linecap="butt" stroke-linejoin="miter"/>
+	</g>
 </svg>