refactor(Button): distinct solid/outline variants, drop redundant secondary

src/entities/project/ui/ProjectCard/ProjectCard.tsx

@@ -56,7 +56,7 @@ export function ProjectCard({ title, year, description, tags, url, imageUrl, pri
                 ))}
               </div>
             )}
-            <Button href={url} variant="primary" size="sm" className="self-start lg:w-full lg:self-auto text-center">
+            <Button href={url} variant="solid" size="sm" className="self-start lg:w-full lg:self-auto text-center">
               View Project
             </Button>
           </div>

src/shared/ui/Button/ui/Button.stories.tsx

@@ -13,11 +13,8 @@ type Story = StoryObj<typeof Button>;
 export const AllVariants: Story = {
   render: () => (
     <div className="flex gap-4 flex-wrap p-8 bg-ochre-clay">
-      <Button variant="primary" size="md">
+      <Button variant="solid" size="md">
-        Primary
+        Solid
-      </Button>
-      <Button variant="secondary" size="md">
-        Secondary
       </Button>
       <Button variant="outline" size="md">
         Outline
@@ -32,13 +29,13 @@ export const AllVariants: Story = {
 export const Sizes: Story = {
   render: () => (
     <div className="flex gap-4 items-center flex-wrap p-8 bg-ochre-clay">
-      <Button variant="primary" size="sm">
+      <Button variant="solid" size="sm">
         Small
       </Button>
-      <Button variant="primary" size="md">
+      <Button variant="solid" size="md">
         Medium
       </Button>
-      <Button variant="primary" size="lg">
+      <Button variant="solid" size="lg">
         Large
       </Button>
     </div>
@@ -47,7 +44,7 @@ export const Sizes: Story = {
 
 export const Disabled: Story = {
   args: {
-    variant: 'primary',
+    variant: 'solid',
     disabled: true,
     children: 'Disabled',
   },

src/shared/ui/Button/ui/Button.test.tsx

@@ -14,14 +14,10 @@ describe('Button', () => {
     });
   });
   describe('variants', () => {
-    it('applies primary variant by default', () => {
+    it('applies solid variant by default', () => {
       render(<Button>Go</Button>);
       expect(screen.getByRole('button')).toHaveClass('bg-blue');
     });
-    it('applies secondary variant', () => {
-      render(<Button variant="secondary">Go</Button>);
-      expect(screen.getByRole('button')).toHaveClass('bg-blue');
-    });
     it('applies outline variant', () => {
       render(<Button variant="outline">Go</Button>);
       expect(screen.getByRole('button')).toHaveClass('bg-cream');
@@ -82,7 +78,7 @@ describe('Button', () => {
     });
     it('applies the same variant and size classes as button', () => {
       render(
-        <Button href="/test" variant="primary" size="sm">
+        <Button href="/test" variant="solid" size="sm">
           Go
         </Button>,
       );

src/shared/ui/Button/ui/Button.tsx

@@ -1,13 +1,13 @@
 import type { AnchorHTMLAttributes, ButtonHTMLAttributes, ReactNode } from 'react';
 import { cn } from '$shared/lib';
 
-export type ButtonVariant = 'primary' | 'secondary' | 'outline' | 'ghost';
+export type ButtonVariant = 'solid' | 'outline' | 'ghost';
 export type ButtonSize = 'sm' | 'md' | 'lg';
 
 type BaseProps = {
   /**
    * Visual variant
-   * @default 'primary'
+   * @default 'solid'
    */
   variant?: ButtonVariant;
   /**
@@ -41,10 +41,9 @@ function isAnchorProps(props: RestButton | RestAnchor): props is RestAnchor {
 }
 
 const VARIANTS = {
-  primary: 'brutal-border bg-blue text-cream btn-shadow',
+  solid: 'brutal-border bg-blue text-cream btn-shadow',
-  secondary: 'brutal-border bg-blue text-cream btn-shadow',
+  // Reversed solid: same border + offset-block animation, cream fill instead of blue
-  outline:
+  outline: 'brutal-border bg-cream text-blue btn-shadow',
-    'brutal-border border-blue/35 bg-cream text-blue hover:border-blue hover:bg-blue/10 active:bg-blue active:text-cream',
   ghost:
     'brutal-border bg-transparent text-blue btn-transition hover:-translate-x-0.5 hover:-translate-y-0.5 active:translate-x-0.5 active:translate-y-0.5',
 } as const satisfies Record<ButtonVariant, string>;
@@ -55,15 +54,15 @@ const SIZES = {
   lg: 'px-8 py-4 text-lg',
 } as const satisfies Record<ButtonSize, string>;
 
-/* Elevation lives per-variant: primary/secondary use btn-shadow (static offset
+/* Elevation lives per-variant: solid uses btn-shadow (static offset block,
- * block, button moves), ghost uses btn-transition + translate. */
+ * button moves), ghost uses btn-transition + translate. */
 const BASE = 'cursor-pointer uppercase tracking-wider';
 
 /**
  * Brutalist button with variants and sizes.
  * Renders as <a> when href is provided, <button> otherwise.
  */
-export function Button({ variant = 'primary', size = 'md', className, children, ...props }: Props) {
+export function Button({ variant = 'solid', size = 'md', className, children, ...props }: Props) {
   const cls = cn(BASE, VARIANTS[variant], SIZES[size], className);
 
   if (isAnchorProps(props)) {