config: switch monospace font from Fira Code to Geist Mono

home/dot_config/fontconfig/fonts.conf

@@ -119,11 +119,11 @@
     </prefer>
   </alias>
 
-  <!-- Monospace: Iosevka with JetBrains Mono fallback -->
+  <!-- Monospace: Geist Mono with JetBrains Mono fallback -->
   <alias>
     <family>monospace</family>
     <prefer>
-      <family>Iosevka</family>
+      <family>Geist Mono</family>
       <family>JetBrains Mono</family>
       <family>DejaVu Sans Mono</family>
     </prefer>
@@ -132,7 +132,7 @@
   <alias>
     <family>ui-monospace</family>
     <prefer>
-      <family>Iosevka</family>
+      <family>Geist Mono</family>
       <family>JetBrains Mono</family>
     </prefer>
   </alias>
@@ -173,7 +173,7 @@
   <alias>
     <family>Courier New</family>
     <prefer>
-      <family>Iosevka</family>
+      <family>Geist Mono</family>
       <family>JetBrains Mono</family>
     </prefer>
   </alias>
@@ -181,7 +181,7 @@
   <alias>
     <family>Courier</family>
     <prefer>
-      <family>Iosevka</family>
+      <family>Geist Mono</family>
       <family>JetBrains Mono</family>
     </prefer>
   </alias>
@@ -199,25 +199,25 @@
        ============================================================ -->
 
   <!--
-    Iosevka: Use medium hinting for better terminal rendering
-    Iosevka is quite thin, so medium hinting helps legibility
+    Geist Mono: Use slight hinting for clean rendering
+    Geist Mono has good weight distribution
   -->
   <match target="font">
     <test name="family" qual="any">
-      <string>Iosevka</string>
+      <string>Geist Mono</string>
     </test>
     <edit name="hintstyle" mode="assign">
-      <const>hintmedium</const>
+      <const>hintslight</const>
     </edit>
   </match>
 
-  <!-- Same for Iosevka variants -->
+  <!-- Same for Geist Mono variants -->
   <match target="font">
     <test name="family" qual="any" compare="contains">
-      <string>Iosevka</string>
+      <string>Geist Mono</string>
     </test>
     <edit name="hintstyle" mode="assign">
-      <const>hintmedium</const>
+      <const>hintslight</const>
     </edit>
   </match>
 

home/dot_config/fontconfig/fonts.toml

@@ -19,7 +19,7 @@ fallback = "Noto Serif"
 
 [mono]
 # Monospace fonts for code and terminals
-primary = "Fira Code"
+primary = "Geist Mono"
 fallback = "JetBrains Mono"
 
 [emoji]

home/dot_config/kitty/private_kitty.conf

@@ -4,7 +4,7 @@ include current-theme.conf
 # END_KITTY_THEME
 
 enable_audio_bell no
-font_family FiraCode Nerd Font Mono
+font_family GeistMono Nerd Font Mono
 font_size 9.0
 
 # Enable ligatures explicitly