Zero-execution routing and presentation

@@ -17,15 +17,15 @@ Foundry’s public presentation layers adhere to a "Zero-Execution" mandate, eli
## 1. Deterministic Bilingual Routing

Foundry avoids the security risks and latency of IP-sniffing scripts or conditional server-side redirects. Language routing is achieved through structural determinism:
*   **English (Root):** The primary `index.html` resides in the root directory.
*   **Spanish (/es/):** A structurally identical `index.html` resides in the `/es/` sub-directory, with the `checked` attribute natively applied to the language-state checkbox.
* **English (Root):** The primary `index.html` resides in the root directory.
* **Spanish (/es/):** A structurally identical `index.html` resides in the `/es/` sub-directory, with the `checked` attribute natively applied to the language-state checkbox.

## 2. The Pure CSS State Machine

Interactive interface elements, such as language toggles and dynamic download buttons, operate via native CSS checkbox patterns rather than script-driven state:
*   **Simultaneous Loading:** The DOM loads all language blocks and button variations simultaneously.
*   **Native Switching:** CSS rules (`display: block` / `none`) are tied to the `:checked` state of hidden inputs.
*   **Zero Latency:** This method provides the illusion of a high-performance Web 2.0 application with zero execution latency and no client-side script vulnerability.
* **Simultaneous Loading:** The DOM loads all language blocks and button variations simultaneously.
* **Native Switching:** CSS rules (`display: block` / `none`) are tied to the `:checked` state of hidden inputs.
* **Zero Latency:** This method provides the illusion of a high-performance Web 2.0 application with zero execution latency and no client-side script vulnerability.

This "Leapfrog 2030" standard ensures that Foundry interfaces are accessible, secure, and instantaneous across all network environments.