fix(ui): collapse empty navbar topbar and add CTA spacing

docs/ui-visual-contract-0.8.json

@@ -12,7 +12,7 @@
     "packages/ui/components/Blockquote.wrn": "3761bf13babb6eb07ce7392258ee439ef5478064cf589eff63f945b950e00d2e",
     "packages/ui/components/Breadcrumb.wrn": "9f6c23550ebfc635c36ca8660953775170b4a471c0cd0206b9a7ba760994980a",
     "packages/ui/components/ButtonGroup.wrn": "fc23565ad56bd8483fcb777d9e02ccba2f9ea476c085754d42503bb83b718f72",
-    "packages/ui/components/CTASection.wrn": "d0665f2aa33eea95e6f84120f739b3dd9c8723c882138bcb1a7f80dcd7909904",
+    "packages/ui/components/CTASection.wrn": "f5289a08c14359e947eb49293f8a1ed36475bb07ff8c5247edc87c1469465de5",
     "packages/ui/components/Card.wrn": "3cc2ff238bda279c169026a462236144ad11ec0046deef00ab00e001a07e8a4c",
     "packages/ui/components/Carousel.wrn": "e7d921f802aa19210f3f415b59b70750a2c8d78e30684ad334809741c70a6bf9",
     "packages/ui/components/Chart.wrn": "07bc01247b5a1c2b82c2ba8386b7fcdbf480efead75d52b7da04d471072c7ee4",
@@ -60,7 +60,7 @@
     "packages/ui/components/MetricGrid.wrn": "1fcebf51dcbe8520fe16bda904c1ef206c25c3900438d53877492c64ea21a1a5",
     "packages/ui/components/Modal.wrn": "7fa4b877772736f29f690e24d8742922b310397ef3083f0b78acb67a9f0d14b2",
     "packages/ui/components/Nav.wrn": "c45b0ecb42250f4b3ede33c8932a025f789dda9ef48dbf332459ae458163e69a",
-    "packages/ui/components/Navbar.wrn": "1fafef0e0a87ca15547e338df2711634dab27dcde99263712a85f5d59b9f16a0",
+    "packages/ui/components/Navbar.wrn": "24dc14494fd48090da3545207926c295d3a6f1afd53c6ca26994dabca7a91ee0",
     "packages/ui/components/PageHeader.wrn": "321cde36ce8d521a57901033d46e8b437f42e558cca27f49ca26f7172aff1d54",
     "packages/ui/components/Pagination.wrn": "d54226705d4556f76ee5f0d6ae82d101ca6d006397756d547a9aa5954415ba39",
     "packages/ui/components/PinInput.wrn": "4dc398456f6392d7925db941debb484c7cb0358ecef527f696fe5ec4800a7602",