import { test, expect } from '@playwright/test';

test.describe('Structural - homepage', () => {
  test('homepage: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('homepage: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('homepage: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - api', () => {
  test('api: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/api/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('api: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/api/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('api: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/api/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - blog', () => {
  test('blog: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/blog/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('blog: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/blog/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('blog: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/blog/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - branding', () => {
  test('branding: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/branding/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('branding: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/branding/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('branding: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/branding/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - comparison', () => {
  test('comparison: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/comparison/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('comparison: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/comparison/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('comparison: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/comparison/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - concepts', () => {
  test('concepts: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/concepts/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('concepts: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/concepts/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('concepts: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/concepts/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - configuration', () => {
  test('configuration: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/configuration/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('configuration: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/configuration/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('configuration: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/configuration/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - contribute', () => {
  test('contribute: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/contribute/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('contribute: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/contribute/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('contribute: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/contribute/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - glossary', () => {
  test('glossary: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/glossary/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('glossary: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/glossary/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('glossary: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/glossary/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - guides', () => {
  test('guides: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/guides/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('guides: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/guides/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('guides: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/guides/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - guides_csp', () => {
  test('guides_csp: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/guides/csp/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('guides_csp: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/guides/csp/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('guides_csp: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/guides/csp/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - guides_dependency_management', () => {
  test('guides_dependency_management: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/guides/dependency-management/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('guides_dependency_management: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/guides/dependency-management/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('guides_dependency_management: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/guides/dependency-management/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - guides_development', () => {
  test('guides_development: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/guides/development/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('guides_development: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/guides/development/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('guides_development: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/guides/development/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - guides_development_vagrant', () => {
  test('guides_development_vagrant: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/guides/development-vagrant/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('guides_development_vagrant: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/guides/development-vagrant/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('guides_development_vagrant: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/guides/development-vagrant/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - guides_environment_variables', () => {
  test('guides_environment_variables: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/guides/environment-variables/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('guides_environment_variables: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/guides/environment-variables/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('guides_environment_variables: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/guides/environment-variables/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - guides_getting_started', () => {
  test('guides_getting_started: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/guides/getting-started/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('guides_getting_started: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/guides/getting-started/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - guides_hot_module_replacement', () => {
  test('guides_hot_module_replacement: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/guides/hot-module-replacement/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('guides_hot_module_replacement: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/guides/hot-module-replacement/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('guides_hot_module_replacement: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/guides/hot-module-replacement/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - guides_installation', () => {
  test('guides_installation: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/guides/installation/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('guides_installation: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/guides/installation/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('guides_installation: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/guides/installation/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - guides_output_management', () => {
  test('guides_output_management: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/guides/output-management/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('guides_output_management: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/guides/output-management/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('guides_output_management: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/guides/output-management/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - guides_production', () => {
  test('guides_production: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/guides/production/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('guides_production: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/guides/production/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('guides_production: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/guides/production/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - guides_tree_shaking', () => {
  test('guides_tree_shaking: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/guides/tree-shaking/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('guides_tree_shaking: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/guides/tree-shaking/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('guides_tree_shaking: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/guides/tree-shaking/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - license', () => {
  test('license: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/license/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('license: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/license/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('license: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/license/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - api_cli', () => {
  test('api_cli: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/api/cli/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('api_cli: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/api/cli/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('api_cli: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/api/cli/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - api_compilation_hooks', () => {
  test('api_compilation_hooks: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/api/compilation-hooks/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('api_compilation_hooks: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/api/compilation-hooks/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('api_compilation_hooks: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/api/compilation-hooks/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - api_compilation_object', () => {
  test('api_compilation_object: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/api/compilation-object/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('api_compilation_object: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/api/compilation-object/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('api_compilation_object: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/api/compilation-object/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - api_compiler_hooks', () => {
  test('api_compiler_hooks: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/api/compiler-hooks/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('api_compiler_hooks: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/api/compiler-hooks/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('api_compiler_hooks: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/api/compiler-hooks/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - api_contextmodulefactory_hooks', () => {
  test('api_contextmodulefactory_hooks: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/api/contextmodulefactory-hooks/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('api_contextmodulefactory_hooks: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/api/contextmodulefactory-hooks/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('api_contextmodulefactory_hooks: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/api/contextmodulefactory-hooks/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - api_hot_module_replacement', () => {
  test('api_hot_module_replacement: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/api/hot-module-replacement/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('api_hot_module_replacement: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/api/hot-module-replacement/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('api_hot_module_replacement: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/api/hot-module-replacement/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - api_loaders', () => {
  test('api_loaders: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/api/loaders/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('api_loaders: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/api/loaders/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('api_loaders: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/api/loaders/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - api_logging', () => {
  test('api_logging: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/api/logging/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('api_logging: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/api/logging/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('api_logging: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/api/logging/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - api_module_methods', () => {
  test('api_module_methods: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/api/module-methods/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('api_module_methods: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/api/module-methods/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('api_module_methods: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/api/module-methods/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - api_module_variables', () => {
  test('api_module_variables: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/api/module-variables/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('api_module_variables: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/api/module-variables/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('api_module_variables: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/api/module-variables/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - api_node', () => {
  test('api_node: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/api/node/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('api_node: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/api/node/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('api_node: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/api/node/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - api_normalmodulefactory_hooks', () => {
  test('api_normalmodulefactory_hooks: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/api/normalmodulefactory-hooks/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('api_normalmodulefactory_hooks: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/api/normalmodulefactory-hooks/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('api_normalmodulefactory_hooks: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/api/normalmodulefactory-hooks/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - api_parser', () => {
  test('api_parser: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/api/parser/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('api_parser: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/api/parser/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('api_parser: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/api/parser/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - api_plugins', () => {
  test('api_plugins: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/api/plugins/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('api_plugins: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/api/plugins/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('api_plugins: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/api/plugins/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - api_resolvers', () => {
  test('api_resolvers: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/api/resolvers/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('api_resolvers: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/api/resolvers/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('api_resolvers: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/api/resolvers/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - api_stats', () => {
  test('api_stats: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/api/stats/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('api_stats: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/api/stats/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('api_stats: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/api/stats/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - api_webpack_dev_server', () => {
  test('api_webpack_dev_server: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/api/webpack-dev-server/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('api_webpack_dev_server: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/api/webpack-dev-server/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('api_webpack_dev_server: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/api/webpack-dev-server/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - blog_2020_10_10_webpack_5_release', () => {
  test('blog_2020_10_10_webpack_5_release: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/blog/2020-10-10-webpack-5-release/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('blog_2020_10_10_webpack_5_release: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/blog/2020-10-10-webpack-5-release/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('blog_2020_10_10_webpack_5_release: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/blog/2020-10-10-webpack-5-release/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - blog_2020_12_08_roadmap_2021', () => {
  test('blog_2020_12_08_roadmap_2021: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/blog/2020-12-08-roadmap-2021/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('blog_2020_12_08_roadmap_2021: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/blog/2020-12-08-roadmap-2021/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('blog_2020_12_08_roadmap_2021: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/blog/2020-12-08-roadmap-2021/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - blog_2026_02_03_webpack_5_105', () => {
  test('blog_2026_02_03_webpack_5_105: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/blog/2026-02-03-webpack-5-105/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('blog_2026_02_03_webpack_5_105: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/blog/2026-02-03-webpack-5-105/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('blog_2026_02_03_webpack_5_105: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/blog/2026-02-03-webpack-5-105/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - blog_2026_02_04_roadmap_2026', () => {
  test('blog_2026_02_04_roadmap_2026: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/blog/2026-02-04-roadmap-2026/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('blog_2026_02_04_roadmap_2026: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/blog/2026-02-04-roadmap-2026/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('blog_2026_02_04_roadmap_2026: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/blog/2026-02-04-roadmap-2026/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - blog_2026_04_08_webpack_5_106', () => {
  test('blog_2026_04_08_webpack_5_106: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/blog/2026-04-08-webpack-5-106/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('blog_2026_04_08_webpack_5_106: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/blog/2026-04-08-webpack-5-106/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('blog_2026_04_08_webpack_5_106: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/blog/2026-04-08-webpack-5-106/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - blog_printable', () => {
  test('blog_printable: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/blog/printable/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('blog_printable: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/blog/printable/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('blog_printable: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/blog/printable/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - concepts_configuration', () => {
  test('concepts_configuration: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/concepts/configuration/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('concepts_configuration: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/concepts/configuration/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('concepts_configuration: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/concepts/configuration/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - concepts_dependency_graph', () => {
  test('concepts_dependency_graph: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/concepts/dependency-graph/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('concepts_dependency_graph: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/concepts/dependency-graph/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('concepts_dependency_graph: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/concepts/dependency-graph/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - concepts_entry_points', () => {
  test('concepts_entry_points: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/concepts/entry-points/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('concepts_entry_points: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/concepts/entry-points/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('concepts_entry_points: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/concepts/entry-points/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - concepts_hot_module_replacement', () => {
  test('concepts_hot_module_replacement: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/concepts/hot-module-replacement/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('concepts_hot_module_replacement: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/concepts/hot-module-replacement/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('concepts_hot_module_replacement: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/concepts/hot-module-replacement/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - concepts_loaders', () => {
  test('concepts_loaders: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/concepts/loaders/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('concepts_loaders: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/concepts/loaders/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('concepts_loaders: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/concepts/loaders/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - concepts_manifest', () => {
  test('concepts_manifest: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/concepts/manifest/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('concepts_manifest: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/concepts/manifest/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('concepts_manifest: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/concepts/manifest/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - concepts_module_federation', () => {
  test('concepts_module_federation: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/concepts/module-federation/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('concepts_module_federation: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/concepts/module-federation/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - concepts_module_resolution', () => {
  test('concepts_module_resolution: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/concepts/module-resolution/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('concepts_module_resolution: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/concepts/module-resolution/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('concepts_module_resolution: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/concepts/module-resolution/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - concepts_modules', () => {
  test('concepts_modules: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/concepts/modules/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('concepts_modules: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/concepts/modules/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('concepts_modules: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/concepts/modules/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - concepts_output', () => {
  test('concepts_output: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/concepts/output/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('concepts_output: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/concepts/output/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('concepts_output: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/concepts/output/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - concepts_plugins', () => {
  test('concepts_plugins: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/concepts/plugins/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('concepts_plugins: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/concepts/plugins/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('concepts_plugins: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/concepts/plugins/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - concepts_targets', () => {
  test('concepts_targets: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/concepts/targets/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('concepts_targets: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/concepts/targets/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('concepts_targets: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/concepts/targets/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - concepts_under_the_hood', () => {
  test('concepts_under_the_hood: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/concepts/under-the-hood/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('concepts_under_the_hood: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/concepts/under-the-hood/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('concepts_under_the_hood: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/concepts/under-the-hood/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - concepts_why_webpack', () => {
  test('concepts_why_webpack: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/concepts/why-webpack/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('concepts_why_webpack: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/concepts/why-webpack/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('concepts_why_webpack: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/concepts/why-webpack/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - configuration_cache', () => {
  test('configuration_cache: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/configuration/cache/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('configuration_cache: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/configuration/cache/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('configuration_cache: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/configuration/cache/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - configuration_configuration_languages', () => {
  test('configuration_configuration_languages: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/configuration/configuration-languages/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('configuration_configuration_languages: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/configuration/configuration-languages/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('configuration_configuration_languages: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/configuration/configuration-languages/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - configuration_configuration_types', () => {
  test('configuration_configuration_types: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/configuration/configuration-types/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('configuration_configuration_types: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/configuration/configuration-types/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('configuration_configuration_types: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/configuration/configuration-types/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - configuration_dev_server', () => {
  test('configuration_dev_server: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/configuration/dev-server/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('configuration_dev_server: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/configuration/dev-server/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('configuration_dev_server: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/configuration/dev-server/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - configuration_devtool', () => {
  test('configuration_devtool: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/configuration/devtool/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('configuration_devtool: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/configuration/devtool/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('configuration_devtool: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/configuration/devtool/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - configuration_dotenv', () => {
  test('configuration_dotenv: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/configuration/dotenv/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('configuration_dotenv: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/configuration/dotenv/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('configuration_dotenv: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/configuration/dotenv/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - configuration_entry_context', () => {
  test('configuration_entry_context: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/configuration/entry-context/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('configuration_entry_context: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/configuration/entry-context/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('configuration_entry_context: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/configuration/entry-context/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - configuration_experiments', () => {
  test('configuration_experiments: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/configuration/experiments/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('configuration_experiments: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/configuration/experiments/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('configuration_experiments: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/configuration/experiments/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - configuration_extending_configurations', () => {
  test('configuration_extending_configurations: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/configuration/extending-configurations/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('configuration_extending_configurations: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/configuration/extending-configurations/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('configuration_extending_configurations: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/configuration/extending-configurations/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - configuration_externals', () => {
  test('configuration_externals: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/configuration/externals/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('configuration_externals: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/configuration/externals/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('configuration_externals: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/configuration/externals/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - configuration_infrastructureLogging', () => {
  test('configuration_infrastructureLogging: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/configuration/infrastructureLogging/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('configuration_infrastructureLogging: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/configuration/infrastructureLogging/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('configuration_infrastructureLogging: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/configuration/infrastructureLogging/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - configuration_mode', () => {
  test('configuration_mode: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/configuration/mode/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('configuration_mode: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/configuration/mode/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('configuration_mode: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/configuration/mode/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - configuration_module', () => {
  test('configuration_module: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/configuration/module/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('configuration_module: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/configuration/module/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('configuration_module: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/configuration/module/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - configuration_node', () => {
  test('configuration_node: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/configuration/node/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('configuration_node: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/configuration/node/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('configuration_node: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/configuration/node/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - configuration_optimization', () => {
  test('configuration_optimization: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/configuration/optimization/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('configuration_optimization: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/configuration/optimization/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('configuration_optimization: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/configuration/optimization/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - configuration_other_options', () => {
  test('configuration_other_options: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/configuration/other-options/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('configuration_other_options: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/configuration/other-options/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('configuration_other_options: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/configuration/other-options/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - configuration_output', () => {
  test('configuration_output: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/configuration/output/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('configuration_output: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/configuration/output/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('configuration_output: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/configuration/output/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - configuration_performance', () => {
  test('configuration_performance: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/configuration/performance/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('configuration_performance: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/configuration/performance/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('configuration_performance: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/configuration/performance/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - configuration_plugins', () => {
  test('configuration_plugins: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/configuration/plugins/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('configuration_plugins: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/configuration/plugins/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('configuration_plugins: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/configuration/plugins/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - configuration_resolve', () => {
  test('configuration_resolve: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/configuration/resolve/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('configuration_resolve: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/configuration/resolve/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('configuration_resolve: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/configuration/resolve/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - configuration_stats', () => {
  test('configuration_stats: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/configuration/stats/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('configuration_stats: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/configuration/stats/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('configuration_stats: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/configuration/stats/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - configuration_target', () => {
  test('configuration_target: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/configuration/target/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('configuration_target: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/configuration/target/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('configuration_target: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/configuration/target/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - configuration_watch', () => {
  test('configuration_watch: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/configuration/watch/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('configuration_watch: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/configuration/watch/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('configuration_watch: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/configuration/watch/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - contribute_Governance_Overview', () => {
  test('contribute_Governance_Overview: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/contribute/Governance-Overview/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('contribute_Governance_Overview: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/contribute/Governance-Overview/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('contribute_Governance_Overview: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/contribute/Governance-Overview/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - contribute_Governance_ai_policy', () => {
  test('contribute_Governance_ai_policy: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/contribute/Governance-ai-policy/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('contribute_Governance_ai_policy: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/contribute/Governance-ai-policy/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('contribute_Governance_ai_policy: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/contribute/Governance-ai-policy/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - contribute_Governance_charter', () => {
  test('contribute_Governance_charter: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/contribute/Governance-charter/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('contribute_Governance_charter: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/contribute/Governance-charter/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('contribute_Governance_charter: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/contribute/Governance-charter/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - contribute_Governance_member_expectations', () => {
  test('contribute_Governance_member_expectations: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/contribute/Governance-member-expectations/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('contribute_Governance_member_expectations: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/contribute/Governance-member-expectations/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('contribute_Governance_member_expectations: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/contribute/Governance-member-expectations/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - contribute_Governance_moderation_policy', () => {
  test('contribute_Governance_moderation_policy: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/contribute/Governance-moderation-policy/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('contribute_Governance_moderation_policy: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/contribute/Governance-moderation-policy/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('contribute_Governance_moderation_policy: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/contribute/Governance-moderation-policy/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - contribute_Governance_working_groups', () => {
  test('contribute_Governance_working_groups: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/contribute/Governance-working-groups/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('contribute_Governance_working_groups: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/contribute/Governance-working-groups/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('contribute_Governance_working_groups: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/contribute/Governance-working-groups/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - contribute_debugging', () => {
  test('contribute_debugging: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/contribute/debugging/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('contribute_debugging: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/contribute/debugging/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('contribute_debugging: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/contribute/debugging/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - contribute_plugin_patterns', () => {
  test('contribute_plugin_patterns: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/contribute/plugin-patterns/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('contribute_plugin_patterns: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/contribute/plugin-patterns/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('contribute_plugin_patterns: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/contribute/plugin-patterns/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - contribute_release_process', () => {
  test('contribute_release_process: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/contribute/release-process/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('contribute_release_process: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/contribute/release-process/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('contribute_release_process: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/contribute/release-process/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - contribute_writers_guide', () => {
  test('contribute_writers_guide: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/contribute/writers-guide/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('contribute_writers_guide: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/contribute/writers-guide/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('contribute_writers_guide: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/contribute/writers-guide/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - contribute_writing_a_loader', () => {
  test('contribute_writing_a_loader: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/contribute/writing-a-loader/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('contribute_writing_a_loader: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/contribute/writing-a-loader/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('contribute_writing_a_loader: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/contribute/writing-a-loader/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - contribute_writing_a_plugin', () => {
  test('contribute_writing_a_plugin: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/contribute/writing-a-plugin/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('contribute_writing_a_plugin: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/contribute/writing-a-plugin/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('contribute_writing_a_plugin: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/contribute/writing-a-plugin/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - contribute_writing_a_scaffold', () => {
  test('contribute_writing_a_scaffold: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/contribute/writing-a-scaffold/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('contribute_writing_a_scaffold: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/contribute/writing-a-scaffold/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('contribute_writing_a_scaffold: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/contribute/writing-a-scaffold/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - get_started_install_webpack', () => {
  test('get_started_install_webpack: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/get-started/install-webpack/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('get_started_install_webpack: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/get-started/install-webpack/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('get_started_install_webpack: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/get-started/install-webpack/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - get_started_why_webpack', () => {
  test('get_started_why_webpack: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/get-started/why-webpack/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('get_started_why_webpack: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/get-started/why-webpack/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('get_started_why_webpack: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/get-started/why-webpack/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - guides_asset_management', () => {
  test('guides_asset_management: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/guides/asset-management/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('guides_asset_management: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/guides/asset-management/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('guides_asset_management: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/guides/asset-management/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - guides_asset_modules', () => {
  test('guides_asset_modules: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/guides/asset-modules/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('guides_asset_modules: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/guides/asset-modules/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('guides_asset_modules: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/guides/asset-modules/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - guides_author_libraries', () => {
  test('guides_author_libraries: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/guides/author-libraries/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('guides_author_libraries: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/guides/author-libraries/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('guides_author_libraries: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/guides/author-libraries/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - guides_build_performance', () => {
  test('guides_build_performance: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/guides/build-performance/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('guides_build_performance: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/guides/build-performance/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('guides_build_performance: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/guides/build-performance/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - guides_caching', () => {
  test('guides_caching: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/guides/caching/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('guides_caching: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/guides/caching/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('guides_caching: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/guides/caching/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - guides_code_splitting', () => {
  test('guides_code_splitting: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/guides/code-splitting/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('guides_code_splitting: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/guides/code-splitting/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('guides_code_splitting: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/guides/code-splitting/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - Consistency', () => {
  test('header links are consistent across pages', async ({ page }) => {
    const headerLinksByPage: string[][] = [];
    {
      await page.goto('/');
      const links = await page.locator('header a, nav a').allTextContents();
      headerLinksByPage.push(links.map(l => l.trim()).filter(l => l.length > 0));
    }
    {
      await page.goto('/api/');
      const links = await page.locator('header a, nav a').allTextContents();
      headerLinksByPage.push(links.map(l => l.trim()).filter(l => l.length > 0));
    }
    {
      await page.goto('/blog/');
      const links = await page.locator('header a, nav a').allTextContents();
      headerLinksByPage.push(links.map(l => l.trim()).filter(l => l.length > 0));
    }
    {
      await page.goto('/branding/');
      const links = await page.locator('header a, nav a').allTextContents();
      headerLinksByPage.push(links.map(l => l.trim()).filter(l => l.length > 0));
    }
    if (headerLinksByPage.length >= 2 && headerLinksByPage[0].length > 0) {
      const first = new Set(headerLinksByPage[0]);
      for (let i = 1; i < headerLinksByPage.length; i++) {
        const current = new Set(headerLinksByPage[i]);
        const overlap = [...first].filter(l => current.has(l));
        if (first.size > 0) {
          expect(overlap.length / first.size).toBeGreaterThanOrEqual(0.5);
        }
      }
    }
  });
});