ui(preloader): replace logo with minimal spinner-only loader

src/app/components/Preloader.tsx

@@ -1,7 +1,6 @@
 'use client';
 
 import { FC, useEffect, useState } from 'react';
-import Image from 'next/image';
 import { motion, AnimatePresence } from 'framer-motion';
 
 interface PreloaderProps {
@@ -36,26 +35,12 @@ const Preloader: FC<PreloaderProps> = ({ onComplete }) => {
             transition={{ duration: 0.5 }}
             className="flex flex-col items-center"
           >
+            {/* Минимальный прелоадер без логотипа */}
             <motion.div
-              initial={{ scale: 1 }}
-              animate={{ scale: 1.2 }}
-              transition={{
-                duration: 4,
-                ease: 'easeOut',
-                repeat: Infinity,
-                repeatType: 'loop',
-                repeatDelay: 0,
-              }}
-              className="mb-6 relative w-[600px] h-[600px]"
-            >
-              <Image
-                src="/images/logo.png"
-                alt="Логотип СФЕРА"
-                fill
-                className="object-contain"
-                priority
-              />
-            </motion.div>
+              className="mb-6 w-16 h-16 border-2 border-white/30 border-t-white rounded-full"
+              animate={{ rotate: 360 }}
+              transition={{ duration: 1, repeat: Infinity, ease: 'linear' }}
+            />
 
             <div className="text-center">
               <div className="text-white text-lg font-medium">Загрузка</div>