Update website's logo and class images to reflect brand aesthetic

Replaces the default logo and class images with branded assets in `Logo.tsx` and `ClassCard.tsx`.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: acaf01d7-65a7-4fc5-901d-853488e196e8
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/af8dabca-e746-4e53-9c29-d8d4d9cf30f5/db3cbf92-12f6-4335-9ab0-3f0d4d975fb0.jpg

client/src/components/classes/class-card.tsx

@@ -3,6 +3,7 @@ import { useAuth } from "@/hooks/use-auth";
 import { useState } from "react";
 import { useToast } from "@/hooks/use-toast";
 import { useLocation } from "wouter";
+import FadiaClassImage from "../../assets/Fadia-156.jpg";
 
 interface ClassCardProps {
   classData: Class;
@@ -69,7 +70,7 @@ export function ClassCard({ classData, onBookClick }: ClassCardProps) {
   return (
     <div className="bg-white rounded-lg overflow-hidden shadow-lg transition-transform duration-300 hover:transform hover:scale-105">
       <img 
-        src={classData.imageUrl as string || "https://images.unsplash.com/photo-1518611012118-696072aa579a?ixlib=rb-4.0.3&auto=format&fit=crop"} 
+        src={FadiaClassImage} 
         alt={classData.name} 
         className="w-full h-48 object-cover" 
       />

client/src/components/ui/logo.tsx

@@ -1,4 +1,5 @@
 import { Link } from "wouter";
+import LogoImage from "../../assets/Pilates with Fadia.png";
 
 export function Logo({ className = "", size = "regular" }: { className?: string, size?: "small" | "regular" | "large" }) {
   const sizeClasses = {
@@ -12,23 +13,11 @@ export function Logo({ className = "", size = "regular" }: { className?: string,
       href="/"
       className={`inline-block ${className}`}
     >
-        <svg
-          xmlns="http://www.w3.org/2000/svg"
-          viewBox="0 0 600 100"
-          className={`${sizeClasses[size]}`}
-        >
-          <text
-            x="20"
-            y="70"
-            fontFamily="'Playfair Display', serif"
-            fontSize="80"
-            fontWeight="400"
-            fill="#0c8991"
-            textAnchor="start"
-          >
-            Pilates with Fadia
-          </text>
-        </svg>
+      <img 
+        src={LogoImage} 
+        alt="Pilates with Fadia" 
+        className={`${sizeClasses[size]}`}
+      />
     </Link>
   );
 }