refactor: register text-section-title in @theme inline, use as plain utility class

src/entities/Section/ui/SectionAccordion/SectionAccordion.tsx

@@ -41,7 +41,7 @@ export function SectionAccordion({ number, title, id, isActive, href, children }
         <div className="mb-12">
           <ViewTransitionWrapper name="section-content">
             <div className="mb-16">
-              <h1 className="font-heading font-black text-[var(--text-section-title)] leading-[1.2] mb-0">{heading}</h1>
+              <h1 className="font-heading font-black text-section-title leading-[1.2] mb-0">{heading}</h1>
             </div>
           </ViewTransitionWrapper>
           <ViewTransitionWrapper name="section-body">

src/shared/styles/theme.css

@@ -121,6 +121,7 @@
   --radius-md: var(--radius);
   --radius-lg: var(--radius);
   --container-section: var(--section-content-width);
+  --text-section-title: var(--text-section-title);
 
   --shadow-brutal-xs: var(--shadow-brutal-xs);
   --shadow-brutal-sm: var(--shadow-brutal-sm);