feat: lowercase "th" in "Nth" title instead of superscript

Reverts the superscript approach. Uses text-transform: lowercase
on the 2nd and 3rd lava-letters to display "Nth" while the rest
of the title stays uppercase.

Generated with [Claude Code](https://claude.ai/code)
via [Happy](https://happy.engineering)

Co-Authored-By: Claude <noreply@anthropic.com>
Co-Authored-By: Happy <yesreply@happy.engineering>

Author: 3 people

docs/projects/nthpartyfinder/index.html

@@ -307,8 +307,7 @@
 }
 .hero-title > .lava-text:first-child > .lava-letter:nth-child(2),
 .hero-title > .lava-text:first-child > .lava-letter:nth-child(3) {
-  font-size: 0.55em;
-  vertical-align: super;
+  text-transform: lowercase;
 }
 @keyframes lava-flow {
   0%   { background-position: 0% 50%; }