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Privacy Policy – Leyline Card Lab

Effective Date: June 25, 2026

Leyline Card Lab ("we", "us", or "our") operates the Leyline Card Lab website (leylinecardlab.com), the Leyline Life Counter app, and any other related services (collectively, the "Services").

This Privacy Policy explains how we collect, use, store, and protect your information when you use our Services, including when you sign in with Google.

1. Information We Collect

a. Information You Provide

  • Account information (name, email, profile picture) when you sign in with Google
  • Game data and statistics (life totals, match history, commanders used, win/loss records) in the Life Counter app
  • Proxy orders and custom card designs on the website
  • Shipping and billing information when you make a purchase
  • Communication with us (support tickets, emails)

b. Automatically Collected Information

  • Device and usage data (IP address, browser type, device type, operating system)
  • Usage analytics (pages visited, features used, session duration)
  • Cookies and similar technologies for site functionality and analytics

c. Google Sign-In Data

When you sign in with Google, we receive:

  • Email address
  • Display name
  • Profile picture (avatar)

We do not access or collect your Google contacts, location history, files, or any other Google data.

2. How We Use Your Information

We use your information to:

  • Create and authenticate your account
  • Provide and improve the Services (Proxy Builder, Life Counter, Shop)
  • Process orders and fulfill purchases
  • Save your game progress and statistics across devices
  • Personalize your experience (e.g., showing your name and avatar)
  • Communicate with you about orders, updates, and support
  • Improve our products through analytics (anonymized where possible)
  • Comply with legal obligations

We do not sell your personal data or use it for third-party advertising.

3. Data Sharing

We share data only in these limited cases:

  • With service providers (Supabase for database, Stripe for payments, Google for authentication, Pipedream for webhooks)
  • With legal authorities when required by law
  • In the event of a business merger, acquisition, or sale of assets

We require all service providers to maintain appropriate security and confidentiality.

4. Data Security

We use industry-standard security measures:

  • Encryption in transit (HTTPS) and at rest
  • Secure authentication (Google Sign-In, Supabase)
  • Access controls (limited to authorized personnel)
  • Regular security reviews

While we strive to protect your data, no system is 100% secure.

5. Data Retention

  • Account and profile data is kept as long as your account is active
  • Game statistics and order history are kept to provide you with records
  • We delete or anonymize data upon account deletion request (within 30 days, except where legally required to retain it)

6. Your Rights

You can:

  • Request access, correction, or deletion of your personal data
  • Opt out of non-essential communications
  • Request export of your data

To exercise these rights, contact us at leylinecardlab@gmail.com.

7. Children's Privacy

Our Services are not directed to children under 13. We do not knowingly collect data from children under 13.

8. Changes to this Privacy Policy

We may update this policy from time to time. We will notify you of significant changes by posting the new policy on our website.

9. Contact Us

If you have any questions about this Privacy Policy, please contact us at: