chore: redo landing header

[thelostone-mc]

Description

Implement new home design until the newsletter form (Future changes will come together with tribes. )

Refers/Fixes

fix #5644

Testing

[owocki]

yayyyy; pumped for this. new header looks good

[codecov]

Codecov Report

Merging #5646 into master will decrease coverage by 0.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #5646      +/-   ##
==========================================
- Coverage   30.05%   30.04%   -0.02%     
==========================================
  Files         248      248              
  Lines       21406    21596     +190     
  Branches     3106     3213     +107     
==========================================
+ Hits         6434     6488      +54     
- Misses      14695    14813     +118     
- Partials      277      295      +18

Impacted Files	Coverage Δ
app/app/urls.py	87.5% <0%> (-2.7%)	⬇️
app/dashboard/views.py	12.24% <0%> (ø)	⬆️
...rketing/management/commands/no_applicants_email.py	0% <0%> (ø)	⬆️
app/avatar/models.py	35.61% <0%> (+1.36%)	⬆️
app/dashboard/notifications.py	18.85% <0%> (+2.35%)	⬆️

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[thelostone-mc]

LGTM