Moved secondary destinations (Docs, Roadmap, Brand, Silent Mode) out
of the top nav and into a proper site footer on the landing:
Top nav (all pages) is now:
Sirius.X | Try it | 🪪 Register | 🌐 TLD | 🧭 Theseus | 🔑 Sign in
That's 6 items instead of 10, and every one is a primary action the
user takes on Sirius.X. Docs / Roadmap / Brand / Silent Mode read as
'learn more', not 'do a thing', so they belong in the footer.
Landing footer redesigned as a four-column grid:
- Brand column: star mark, wordmark, one-line pitch
- Product: Register / TLD / Portal / Theseus
- Learn: Docs / Roadmap / Pantheon / Brand kit
- Silent Mode: silentmode.st, TLD registry, theseus.x, hephaestus.x
Meta row at the very bottom: 'Alpha' badge + chipnet disclaimer on
the left, copyright + brand-kit link on the right. Cascades to 2-col
on tablet, 1-col on phone.
Subpages keep their existing minimal footers for now — the beautiful
footer is landing-only where it earns the real estate. Nav slim is
site-wide.
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