v2.1.0 — Brand token adoption + homepage verdict sections

- Remap --color-brand-primary/--color-link-hover/--focus-shadow → teal tokens
- Hero search submit → lime-500/ink (CMO brief §6)
- Hero decorative shapes → teal/lime tints
- Hero wavy underline → teal
- front-page.php: verdict taxonomy explainer (5 states) + featured verdict cards
- inc/helpers.php: new brand copy defaults (hero title + subtitle)

inc/helpers.php

@@ -155,7 +155,7 @@ function peptide_starter_the_custom_logo() {
  * @return string Hero title text.
  */
 function peptide_starter_get_hero_title() {
-	return get_theme_mod( 'hero_title', get_bloginfo( 'name' ) );
+	return get_theme_mod( 'hero_title', esc_html__( 'Is this peptide right for you?', 'peptide-starter' ) );
 }
 
 /**
@@ -164,7 +164,7 @@ function peptide_starter_get_hero_title() {
  * @return string Hero subtitle text.
  */
 function peptide_starter_get_hero_subtitle() {
-	return get_theme_mod( 'hero_subtitle', esc_html__( 'A scientific peptide reference database', 'peptide-starter' ) );
+	return get_theme_mod( 'hero_subtitle', esc_html__( 'What the research really says', 'peptide-starter' ) );
 }
 
 /**