feat: remodelar /sobre conforme mock editorial

Alinha a página Sobre à composição aprovada (hero, pilares, Michele, processo, portfólio, CTA), com foto da Michele via CMS e tokens Heritage Editorial.

Co-authored-by: Cursor <cursoragent@cursor.com>

database/migrations/2026_08_12_000000_add_founder_image_to_site_settings_table.php

@@ -0,0 +1,25 @@
+<?php
+
+declare(strict_types=1);
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        Schema::table('site_settings', function (Blueprint $table): void {
+            $table->string('founder_image_path')->nullable()->after('about_image_alt');
+            $table->string('founder_image_alt')->nullable()->after('founder_image_path');
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::table('site_settings', function (Blueprint $table): void {
+            $table->dropColumn(['founder_image_path', 'founder_image_alt']);
+        });
+    }
+};