spotters: fix random 404 on client navigation (random is a page load, not an endpoint shadowed by [slug]); square logo tiles everywhere

src/routes/trackers/cars/[brand]/+page.svelte

@@ -45,20 +45,7 @@
 		</figure>
 	{/if}
 	<header class="mt-6 mb-8 flex items-center gap-5">
-		{#if b.logo}
-			<img
-				class="logo"
-				src={b.logo}
-				alt="{b.name} logo"
-				title="Logo: {b.logoAuthor ?? 'Wikimedia Commons'}{b.logoLicense
-					? ` (${b.logoLicense})`
-					: ''}"
-				width="72"
-				height="72"
-			/>
-		{:else}
-			<BrandBadge name={b.name} size="lg" />
-		{/if}
+		<BrandBadge name={b.name} logo={b.logo} size="lg" />
 		<div>
 			<h1 class="text-4xl font-semibold tracking-tight sm:text-5xl">{b.name}</h1>
 			<p class="mt-2 text-[var(--site-muted)]">
@@ -130,15 +117,6 @@
 	.hero figcaption a {
 		text-decoration: underline;
 	}
-	.logo {
-		width: 4.5rem;
-		height: 4.5rem;
-		object-fit: contain;
-		padding: 0.5rem;
-		border-radius: 1rem;
-		background: #fff;
-		border: 1px solid var(--site-border);
-	}
 	.grid {
 		display: grid;
 		gap: 0.75rem;