Privacy Policy
Last updated: May 2026
Who we are
Sulitânia Cooperativa, NIF 518771571, is a cooperative registered in Portugal. We operate the website at syntrociety.org.
Contact: Rua da Cooperativa, Portugal.
What data we collect
We collect the minimum data necessary to operate our website and services:
- Contact data: When you fill in our contact form, we send your name, email address, message, and chosen category through Resend (our email provider) to our inbox. We use this information only to reply to you. It is not stored in a database.
- Analytics data: We use Plausible Analytics (hosted in the EU, no cookies), Vercel Analytics, and Vercel Speed Insights (Core Web Vitals) for aggregated, privacy-friendly page and performance statistics. Data is not used for advertising.
- Language preference: We store your language choice in a cookie to remember it across visits.
Cookies
We use one essential first-party cookie for language, two functional cookies for the first-visit welcome banner, three functional cookies for the optional guided tour, and one piece of local browser storage for the splash page. Site usage is measured with Plausible and Vercel without tracking cookies.
- NEXT_LOCALE (essential): Stores your language preference. Expires after 1 year.
- Plausible, Vercel Analytics, and Vercel Speed Insights: Aggregated page views, Core Web Vitals, and performance metrics. No advertising cookies.
- syntrociety-splash-seen (functional, localStorage): Remembers that you have seen the welcome page when you tick "Don't show again". Expires after 30 days. You can clear it through your browser settings, or reload the welcome page with ?reset.
- welcome_seen (functional): Remembers that you have closed the first-visit welcome banner or picked a role from it, so the banner does not reappear on every page load. Set when you close the banner or pick a role. Expires after 1 year. SameSite=Lax.
- user_role (functional): Remembers which role you picked from the welcome banner (researcher, citizen, lab, entrepreneur, or mayor) so future personalised flows (in development) can refer back to it. Set only when you pick a role. Expires after 1 year. SameSite=Lax.
- tour_active (functional): Marks that you have accepted the guided tour. Set when you click "Yes, start the tour" on the perspective page; cleared when you click "Exit tour" or finish the last step. Expires after 1 year. SameSite=Lax.
- tour_step (functional): Records which step of the tour you are on (1 to 5). Set when you accept the tour; updated as you click "Next". Cleared when you exit or finish. Expires after 1 year. SameSite=Lax.
- tour_offered (functional): Records that you have either accepted or declined the tour offer, so it does not reappear on every visit. Set on accept or decline. Expires after 1 year. SameSite=Lax.
See this section for details. Use your browser settings to remove cookies and local storage.
Your rights
Under the General Data Protection Regulation (GDPR) and Portuguese data protection law (Lei 58/2019), you have the right to:
- Access your personal data
- Rectify inaccurate data
- Request erasure of your data
- Data portability
- Object to or restrict processing
- Withdraw consent at any time
To exercise any of these rights, contact us at the address above.
You also have the right to file a complaint with the Portuguese data protection authority: Comissão Nacional de Proteção de Dados (CNPD), www.cnpd.pt.
Data retention
Language preferences are stored for 1 year. Stripe retains payment data according to their own retention policy and legal obligations. Analytics data is anonymised and aggregated.
Changes to this policy
We may update this policy from time to time. The date at the top of this page indicates when it was last revised.
Newsletter
When you subscribe to our newsletter, we store your email address, first name, and language preference with Resend (our email service provider). You can unsubscribe at any time using the link in every email.