feat: brand identity v1.0.0 — Direction C Trusted Guide (theme v2.0.0-alpha.1)

Implements weeks 1–4 of the CMO brand identity sprint. Complete theme reskin with:

- CSS token system (brand.css) with Teal/Lime/Orange palette
- Poppins/Inter/IBM Plex Mono font loading
- Full favicon/PWA/OG asset pack
- 5-state verdict badge + card + evidence row components
- verdict_state post meta on pr_peptide CPT with meta box
- Affiliate disclosure component (3 contexts: inline, banner, footer)
- How we review peptides page template
- About & Editorial Standards page template
- Footer Our Method links + disclosure
- SVG logo support (logo-horizontal.svg inline)
- OG image fallback meta tag
- Accessibility: role=img on badges, skip-to-content link, prefers-reduced-motion support

Theme version bumped to 2.0.0-alpha.1.

inc/helpers.php

@@ -136,6 +136,15 @@ function peptide_starter_the_custom_logo() {
 		the_custom_logo();
 		return;
 	}
+	// Use SVG logo if available
+	$logo_path = get_template_directory() . '/assets/brand/logo-horizontal.svg';
+	if ( file_exists( $logo_path ) ) {
+		echo '<a class="site-logo" href="' . esc_url( home_url( '/' ) ) . '" rel="home" aria-label="' . esc_attr( get_bloginfo( 'name' ) ) . '">';
+		include $logo_path;
+		echo '</a>';
+		return;
+	}
+	// Fallback to text
 	$site_name = get_bloginfo( 'name' );
 	echo '<a class="site-logo" href="' . esc_url( home_url( '/' ) ) . '" rel="home">' . esc_html( $site_name ) . '</a>';
 }