style(home): section titles use hero__eyebrow label style (homepage only)

public/css/main.css

@@ -2984,6 +2984,15 @@ html[data-theme="light"] .hero__portrait-shell {
   color: var(--text-muted);
 }
 
+/* Главная: заголовки секций в стиле hero__eyebrow */
+body.home .section__title {
+  margin: 0 0 0.5rem;
+  font-size: 0.78rem;
+  font-weight: 700;
+  letter-spacing: 0.14em;
+  text-transform: uppercase;
+}
+
 .section__prose {
   margin: 0;
   max-width: 42rem;

public/index.html

@@ -104,7 +104,7 @@
 
 
   </head>
-  <body>
+  <body class="home">
     <div class="page-mesh-bg" aria-hidden="true"></div>
     <a class="skip-link" href="#main">К основному содержимому</a>
 

src/pages/index.html

@@ -11,7 +11,7 @@
     {{> head-links}}
 
   </head>
-  <body>
+  <body class="home">
     {{> header-home}}
 {{> fab-stack}}
 <main id="main">