## What does this PR do?
- Redesigns the organization onboarding flow by merging the brand and details pages
- Improves the organization details page with a scrollable interface and visual previews
- Adds a new organization-specific browser preview component
## Visual Demo (For contributors especially)
#### Image Demo:
- The PR replaces the separate brand page with an integrated details page that includes logo and banner uploads
- The new organization browser view shows a preview of the organization profile with the selected branding
## Mandatory Tasks (DO NOT REMOVE)
- [ ] I have self-reviewed the code.
- [ ] I have updated the developer docs in /docs if this PR makes changes that would require a documentation change. If N/A, write N/A here and check the checkbox.
- [ ] I confirm automated tests are in place that prove my fix is effective or that my feature works.
## How should this be tested?
- Go through the organization onboarding flow
- Test uploading logos and banners
- Verify that the organization browser preview updates in real-time with the form inputs
- Confirm that the form validation works correctly for organization name and slug
- Check that the scrollable interface works properly with fade effects at top and bottom
## Checklist
- I have read the [contributing guide](https://github.com/calcom/cal.com/blob/main/CONTRIBUTING.md)
- My code follows the style guidelines of this project
- I have commented my code, particularly in hard-to-understand areas
- I have checked if my changes generate no new warnings
<!-- This is an auto-generated description by cubic. -->
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## Summary by cubic
Split organization brand from the details step and added live previews for organizations and teams. Revamped org/team invites with reusable components, a dedicated email-invite page, and a CSV upload modal.
- **New Features**
- Separate Brand step with logo, banner, and color; instant org preview via OnboardingOrganizationBrowserView.
- Teams browser preview added; invites include email substep (/onboarding/organization/invite/email, /onboarding/teams/invite/email), CSV upload (template + parsing), and Google Workspace (behind flag).
- Shared components (EmailInviteForm, InviteOptions, RoleSelector) used across org and team invites.
- **Refactors**
- Updated org flow: Details → Brand → Teams → Invites; OnboardingLayout now supports dynamic step counts (org=4, team=3, personal=2).
- UI polish (OnboardingCard header padding) and org-specific previews now replace generic views across details/brand/invites/teams; ensured org welcome modal takes precedence over personal.
<sup>Written for commit d9b55c0b5505aa0d4ca1c4298a513bcd90606915. Summary will update automatically on new commits.</sup>
<!-- End of auto-generated description by cubic. -->
