diff --git a/client/src/app/App.tsx b/client/src/app/App.tsx
index 76a90d8..c6feb8e 100644
--- a/client/src/app/App.tsx
+++ b/client/src/app/App.tsx
@@ -3,6 +3,7 @@ import { AppProviders } from '@/app/providers/AppProviders'
 import { AppRoutes } from '@/app/routes'
 import { CartSnackbar } from '@/shared/ui/CartSnackbar'
 import { ErrorBoundary } from '@/shared/ui/ErrorBoundary'
+import { NoiseOverlay } from '@/shared/ui/NoiseOverlay'
 
 export function App() {
   return (
@@ -12,6 +13,7 @@ export function App() {
           <AppRoutes />
         </ErrorBoundary>
         <CartSnackbar />
+        <NoiseOverlay />
       </BrowserRouter>
     </AppProviders>
   )
diff --git a/client/src/app/layout/MainLayout.tsx b/client/src/app/layout/MainLayout.tsx
index fe683e7..e67c5d7 100644
--- a/client/src/app/layout/MainLayout.tsx
+++ b/client/src/app/layout/MainLayout.tsx
@@ -23,8 +23,10 @@ export function MainLayout({ children }: PropsWithChildren) {
       <ScrollToTop />
       <AppHeader />
 
-      <Box component="main" sx={{ flex: 1, py: { xs: 4, md: 6 } }}>
-        <Container maxWidth="lg">{children}</Container>
+      <Box component="main" sx={{ flex: 1, py: { xs: 3, md: 5 } }}>
+        <Container maxWidth="xl" sx={{ px: { xs: 2, sm: 3, md: 4 } }}>
+          {children}
+        </Container>
       </Box>
 
       <Box
@@ -33,24 +35,19 @@ export function MainLayout({ children }: PropsWithChildren) {
           mt: 'auto',
           borderTop: 1,
           borderColor: 'divider',
-          bgcolor: 'background.default',
-          py: { xs: 4, md: 6 },
+          bgcolor: 'background.paper',
+          py: { xs: 5, md: 7 },
         }}
       >
-        <Container maxWidth="lg">
-          <Grid container spacing={4}>
+        <Container maxWidth="xl" sx={{ px: { xs: 2, sm: 3, md: 4 } }}>
+          <Grid container spacing={5}>
             <Grid size={{ xs: 12, sm: 6, md: 3 }}>
-              <Typography variant="subtitle1" gutterBottom sx={{ fontWeight: 600, letterSpacing: '-0.25px' }}>
-                Магазин
+              <Typography variant="subtitle1" gutterBottom sx={{ fontWeight: 700, letterSpacing: '-0.5px' }}>
+                {STORE_NAME}
+              </Typography>
+              <Typography variant="body2" color="text.secondary" sx={{ mt: 1, maxWidth: 260 }}>
+                Изделия ручной работы: вещи с характером и вниманием к деталям.
               </Typography>
-              <Stack spacing={1.5}>
-                <Link component={RouterLink} to="/" color="inherit" underline="hover" variant="body2">
-                  Каталог
-                </Link>
-                <Typography variant="body2" color="text.secondary">
-                  Изделия ручной работы: вещи с характером и вниманием к деталям.
-                </Typography>
-              </Stack>
             </Grid>
             <Grid size={{ xs: 12, sm: 6, md: 3 }}>
               <Typography variant="subtitle1" gutterBottom sx={{ fontWeight: 600, letterSpacing: '-0.25px' }}>
@@ -111,7 +108,7 @@ export function MainLayout({ children }: PropsWithChildren) {
               </Stack>
             </Grid>
           </Grid>
-          <Divider sx={{ my: 3 }} />
+          <Divider sx={{ my: 4 }} />
           <Box sx={{ display: 'flex', flexDirection: 'column', alignItems: 'center', gap: 0.5 }}>
             <Typography variant="caption" color="text.secondary" sx={{ display: 'block', textAlign: 'center' }}>
               © {year} {STORE_NAME}
diff --git a/client/src/app/providers/AppProviders.tsx b/client/src/app/providers/AppProviders.tsx
index 2e26cf5..0f15afb 100644
--- a/client/src/app/providers/AppProviders.tsx
+++ b/client/src/app/providers/AppProviders.tsx
@@ -92,13 +92,16 @@ function AppThemeInner({ children }: PropsWithChildren) {
         shape: { borderRadius: 12 },
         typography: {
           fontFamily: '"Outfit", "Segoe UI", system-ui, sans-serif',
-          h4: { fontWeight: 700, letterSpacing: '-0.5px' },
-          h5: { fontWeight: 600, letterSpacing: '-0.25px' },
-          h6: { fontWeight: 600 },
+          h1: { fontWeight: 700, letterSpacing: '-1px', lineHeight: 1.1, textWrap: 'balance' },
+          h2: { fontWeight: 700, letterSpacing: '-0.75px', lineHeight: 1.15, textWrap: 'balance' },
+          h3: { fontWeight: 700, letterSpacing: '-0.5px', lineHeight: 1.2, textWrap: 'balance' },
+          h4: { fontWeight: 700, letterSpacing: '-0.5px', textWrap: 'balance' },
+          h5: { fontWeight: 600, letterSpacing: '-0.25px', textWrap: 'balance' },
+          h6: { fontWeight: 600, textWrap: 'balance' },
           subtitle1: { fontWeight: 600 },
           subtitle2: { fontWeight: 500 },
-          body1: { fontSize: '0.875rem' },
-          body2: { fontSize: '0.75rem' },
+          body1: { fontSize: '0.875rem', lineHeight: 1.6 },
+          body2: { fontSize: '0.75rem', lineHeight: 1.5 },
           button: { textTransform: 'none', fontWeight: 600 },
         },
         components: {
@@ -109,30 +112,34 @@ function AppThemeInner({ children }: PropsWithChildren) {
                 borderRadius: 12,
                 fontWeight: 600,
                 transition: 'all 0.2s ease-in-out',
+                '&:focus-visible': {
+                  outline: '2px solid currentColor',
+                  outlineOffset: 2,
+                },
               },
               contained: {
-                boxShadow: '0 4px 14px 0 rgba(0,0,0,0.15)',
+                boxShadow: '0 4px 14px 0 rgba(0,0,0,0.12)',
                 '&:hover': {
-                  boxShadow: '0 6px 20px 0 rgba(0,0,0,0.25)',
+                  boxShadow: '0 6px 20px 0 rgba(0,0,0,0.18)',
                   transform: 'translateY(-2px)',
                 },
                 '&:active': {
-                  boxShadow: '0 2px 8px 0 rgba(0,0,0,0.15)',
-                  transform: 'translateY(0)',
+                  boxShadow: '0 2px 8px 0 rgba(0,0,0,0.12)',
+                  transform: 'translateY(0) scale(0.98)',
                 },
               },
               outlined: {
                 border: '1px solid',
                 '&:hover': {
-                  boxShadow: '0 2px 8px 0 rgba(0,0,0,0.1)',
+                  boxShadow: '0 2px 8px 0 rgba(0,0,0,0.08)',
                 },
                 '&:active': {
                   boxShadow: 'none',
+                  transform: 'scale(0.98)',
                 },
               },
               text: {
                 '&:hover': {
-                  boxShadow: '0 1px 3px 0 rgba(0,0,0,0.1)',
                   backgroundColor: 'action.hover',
                 },
                 '&:active': {
@@ -147,12 +154,48 @@ function AppThemeInner({ children }: PropsWithChildren) {
                 transition: 'all 0.2s ease-in-out',
                 '&:hover': {
                   backgroundColor: 'action.hover',
-                  transform: 'scale(1.1)',
+                  transform: 'scale(1.08)',
                 },
                 '&:active': {
                   backgroundColor: 'action.selected',
                   transform: 'scale(0.95)',
                 },
+                '&:focus-visible': {
+                  outline: '2px solid currentColor',
+                  outlineOffset: 2,
+                },
+              },
+            },
+          },
+          MuiCard: {
+            styleOverrides: {
+              root: {
+                '&:focus-visible': {
+                  outline: '2px solid currentColor',
+                  outlineOffset: 2,
+                },
+              },
+            },
+          },
+          MuiLink: {
+            styleOverrides: {
+              root: {
+                '&:focus-visible': {
+                  outline: '2px solid currentColor',
+                  outlineOffset: 2,
+                  borderRadius: 2,
+                },
+              },
+            },
+          },
+          MuiInputBase: {
+            styleOverrides: {
+              root: {
+                '&.Mui-focused': {
+                  '& .MuiOutlinedInput-notchedOutline': {
+                    borderWidth: 2,
+                  },
+                },
               },
             },
           },
diff --git a/client/src/app/styles/global.css b/client/src/app/styles/global.css
index 0962570..fa3723d 100644
--- a/client/src/app/styles/global.css
+++ b/client/src/app/styles/global.css
@@ -30,6 +30,9 @@
 :root {
   color-scheme: light;
 }
+html {
+  scroll-behavior: smooth;
+}
 html,
 body,
 #root {
@@ -37,4 +40,6 @@ body,
 }
 body {
   margin: 0;
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
 }
diff --git a/client/src/entities/product/ui/ProductCard.tsx b/client/src/entities/product/ui/ProductCard.tsx
index bccadae..210eaa8 100644
--- a/client/src/entities/product/ui/ProductCard.tsx
+++ b/client/src/entities/product/ui/ProductCard.tsx
@@ -58,14 +58,14 @@ const ProductCardInner = ({ product, mediaHeight = 200, actions }: Props) => {
         display: 'flex',
         flexDirection: 'column',
         overflow: 'hidden',
-        borderRadius: 3,
-        border: '1px solid',
-        borderColor: 'divider',
+        borderRadius: '16px 16px 12px 12px',
+        border: 'none',
         bgcolor: 'background.paper',
-        transition: 'transform 200ms ease, box-shadow 250ms ease',
+        boxShadow: '0 2px 8px rgba(0,0,0,0.06)',
+        transition: 'transform 250ms ease, box-shadow 300ms ease',
         '&:hover': {
-          transform: 'translateY(-4px)',
-          boxShadow: '0 8px 30px rgba(0,0,0,0.10)',
+          transform: 'translateY(-6px)',
+          boxShadow: '0 12px 40px rgba(0,0,0,0.12)',
         },
         '&:hover .product-card__media': { transform: 'scale(1.06)' },
         '&:hover .product-card__title': { color: 'primary.main' },
@@ -236,7 +236,11 @@ const ProductCardInner = ({ product, mediaHeight = 200, actions }: Props) => {
         </Stack>
 
         <Box sx={{ display: 'flex', alignItems: 'center', justifyContent: 'space-between', pt: 1.5 }}>
-          <Typography variant="h6" color="primary" sx={{ fontWeight: 700, fontSize: '1.1rem' }}>
+          <Typography
+            variant="h6"
+            color="primary"
+            sx={{ fontWeight: 700, fontSize: '1.1rem', fontVariantNumeric: 'tabular-nums' }}
+          >
             {formatPriceRub(product.priceCents)}
           </Typography>
           {actions}
diff --git a/client/src/pages/cart/ui/CartPage.tsx b/client/src/pages/cart/ui/CartPage.tsx
index fe4ece2..5f8ff40 100644
--- a/client/src/pages/cart/ui/CartPage.tsx
+++ b/client/src/pages/cart/ui/CartPage.tsx
@@ -59,7 +59,19 @@ export function CartPage() {
 
       {cartQuery.isError && <Alert severity="error">Не удалось загрузить корзину.</Alert>}
 
-      {cartQuery.isSuccess && items.length === 0 && <Alert severity="info">Корзина пуста.</Alert>}
+      {cartQuery.isSuccess && items.length === 0 && (
+        <Box sx={{ textAlign: 'center', py: 8 }}>
+          <Typography variant="h6" color="text.secondary" sx={{ mb: 1 }}>
+            Корзина пуста
+          </Typography>
+          <Typography variant="body2" color="text.secondary" sx={{ mb: 3 }}>
+            Добавьте что-нибудь из каталога, чтобы оформить заказ.
+          </Typography>
+          <Button component={RouterLink} to="/" variant="contained">
+            Перейти в каталог
+          </Button>
+        </Box>
+      )}
 
       {items.length > 0 && (
         <Stack spacing={2}>
diff --git a/client/src/pages/home/ui/HomePage.tsx b/client/src/pages/home/ui/HomePage.tsx
index df542bf..c7640d3 100644
--- a/client/src/pages/home/ui/HomePage.tsx
+++ b/client/src/pages/home/ui/HomePage.tsx
@@ -70,10 +70,10 @@ export function HomePage() {
     <Box>
       <CatalogSlider />
 
-      <Typography variant="h4" component="h1" gutterBottom>
+      <Typography variant="h4" component="h1" sx={{ mb: 1 }}>
         {title}
       </Typography>
-      <Typography variant="body1" color="text.secondary" sx={{ mb: 3 }}>
+      <Typography variant="body1" color="text.secondary" sx={{ mb: 3, maxWidth: 560 }}>
         Игрушки, сувениры и другие изделия ручной работы.
       </Typography>
 
@@ -102,9 +102,14 @@ export function HomePage() {
       )}
 
       {productsQuery.isSuccess && products.length === 0 && (
-        <Typography color="text.secondary" sx={{ mt: 2 }}>
-          Пока нет опубликованных товаров.
-        </Typography>
+        <Box sx={{ textAlign: 'center', py: 8 }}>
+          <Typography variant="h6" color="text.secondary" sx={{ mb: 1 }}>
+            Пока нет опубликованных товаров
+          </Typography>
+          <Typography variant="body2" color="text.secondary">
+            Загляните позже — мы регулярно обновляем каталог.
+          </Typography>
+        </Box>
       )}
 
       {productsQuery.isSuccess && products.length > 0 && (
diff --git a/client/src/pages/not-found/ui/NotFoundPage.tsx b/client/src/pages/not-found/ui/NotFoundPage.tsx
index 2ac2831..2d25d2c 100644
--- a/client/src/pages/not-found/ui/NotFoundPage.tsx
+++ b/client/src/pages/not-found/ui/NotFoundPage.tsx
@@ -1,13 +1,15 @@
 import { Box, Typography, Button, Stack, Paper } from '@mui/material'
-import { Link as RouterLink } from 'react-router-dom'
+import { Link as RouterLink, useNavigate } from 'react-router-dom'
 
 export function NotFoundPage() {
+  const navigate = useNavigate()
+
   return (
     <Box
       sx={{
         display: 'flex',
         flexDirection: 'column',
-        minHeight: '100vh',
+        minHeight: '100dvh',
         bgcolor: 'background.default',
         alignItems: 'center',
         justifyContent: 'center',
@@ -15,28 +17,44 @@ export function NotFoundPage() {
         px: 2,
       }}
     >
-      <Paper sx={{ p: 4, borderRadius: 3, bgcolor: 'background.paper' }}>
+      <Paper
+        elevation={0}
+        sx={{
+          p: { xs: 4, md: 6 },
+          borderRadius: 4,
+          bgcolor: 'background.paper',
+          border: '1px solid',
+          borderColor: 'divider',
+          maxWidth: 480,
+          width: '100%',
+        }}
+      >
         <Stack spacing={3} sx={{ alignItems: 'center', textAlign: 'center' }}>
-          <Box sx={{ fontSize: 96, lineHeight: 1 }}>404</Box>
-          <Typography variant="h4" component="h1" gutterBottom>
+          <Typography
+            variant="h1"
+            sx={{
+              fontSize: { xs: 72, md: 96 },
+              fontWeight: 700,
+              lineHeight: 1,
+              color: 'primary.main',
+              opacity: 0.15,
+              letterSpacing: '-4px',
+            }}
+          >
+            404
+          </Typography>
+          <Typography variant="h5" component="h1" sx={{ fontWeight: 700, mt: -1 }}>
             Страница не найдена
           </Typography>
-          <Typography variant="body2" color="text.secondary" sx={{ maxWidth: 400 }}>
+          <Typography variant="body2" color="text.secondary" sx={{ maxWidth: 360 }}>
             Извините, но запрашиваемая страница не существует или была удалена.
           </Typography>
-          <Stack direction="row" spacing={2} sx={{ mt: 2 }}>
-            <Button
-              variant="contained"
-              size="large"
-              onClick={() => {
-                window.location.href = '/'
-              }}
-              sx={{ px: 4 }}
-            >
-              Вернуться на главную
+          <Stack direction={{ xs: 'column', sm: 'row' }} spacing={2} sx={{ mt: 1, width: '100%' }}>
+            <Button variant="contained" size="large" onClick={() => navigate('/')} sx={{ flexGrow: 1, px: 4 }}>
+              На главную
             </Button>
-            <Button variant="outlined" size="large" component={RouterLink} to="/" sx={{ px: 4 }}>
-              Посмотреть каталог
+            <Button variant="outlined" size="large" component={RouterLink} to="/" sx={{ flexGrow: 1, px: 4 }}>
+              Каталог
             </Button>
           </Stack>
         </Stack>
diff --git a/client/src/pages/product/ui/ProductPage.tsx b/client/src/pages/product/ui/ProductPage.tsx
index 3d39f2f..9e71952 100644
--- a/client/src/pages/product/ui/ProductPage.tsx
+++ b/client/src/pages/product/ui/ProductPage.tsx
@@ -72,14 +72,14 @@ export function ProductPage() {
 
   return (
     <Box>
-      <Box sx={{ display: 'flex', flexDirection: 'column', gap: 2 }}>
+      <Box sx={{ display: 'flex', flexDirection: 'column', gap: 3 }}>
         {imageUrls.length > 0 ? (
           <Box
             sx={{
-              borderRadius: 2,
+              borderRadius: '20px 20px 12px 12px',
               overflow: 'hidden',
-              border: 1,
-              borderColor: 'divider',
+              border: 'none',
+              boxShadow: '0 4px 20px rgba(0,0,0,0.08)',
               bgcolor: 'background.paper',
             }}
           >
@@ -150,10 +150,10 @@ export function ProductPage() {
           </Box>
         )}
 
-        <Typography variant="h4" component="h1">
+        <Typography variant="h3" component="h1" sx={{ fontWeight: 700, letterSpacing: '-0.75px' }}>
           {p.title}
         </Typography>
-        <Typography variant="h5" color="primary">
+        <Typography variant="h4" color="primary" sx={{ fontWeight: 700, fontVariantNumeric: 'tabular-nums' }}>
           {formatPriceRub(p.priceCents)}
         </Typography>
 
diff --git a/client/src/shared/ui/NoiseOverlay.tsx b/client/src/shared/ui/NoiseOverlay.tsx
new file mode 100644
index 0000000..b057d6f
--- /dev/null
+++ b/client/src/shared/ui/NoiseOverlay.tsx
@@ -0,0 +1,25 @@
+import Box from '@mui/material/Box'
+import type { SxProps, Theme } from '@mui/material/styles'
+
+type Props = {
+  opacity?: number
+  sx?: SxProps<Theme>
+}
+
+export function NoiseOverlay({ opacity = 0.03, sx }: Props) {
+  return (
+    <Box
+      sx={{
+        position: 'fixed',
+        inset: 0,
+        pointerEvents: 'none',
+        zIndex: 9999,
+        opacity,
+        backgroundImage: `url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E")`,
+        backgroundRepeat: 'repeat',
+        backgroundSize: '256px 256px',
+        ...sx,
+      }}
+    />
+  )
+}
diff --git a/server/prisma/prisma/dev.db b/server/prisma/prisma/dev.db
index 545a3e2..bc5607c 100644
Binary files a/server/prisma/prisma/dev.db and b/server/prisma/prisma/dev.db differ