Align custom SCSS variables with requested values

Agent-Logs-Url: https://github.com/PALP31/Triticum-tale-web/sessions/18319cc2-52c8-4e19-b674-4e530998975a

Co-authored-by: PALP31 <180587161+PALP31@users.noreply.github.com>

Author: Copilot

docs/custom.scss

@@ -1,8 +1,8 @@
 @import url("https://fonts.googleapis.com/css2?family=Merriweather:wght@400;700&display=swap");
 
-$primary: #c5a059 !default; // Candeal Gold (keep aligned with docs/logo-placeholder.svg)
-$navbar-bg: #f8f9fa !default;
-$navbar-hl: #003b71 !default; // PUC Blue (Pontificia Universidad Católica palette) for hover/focus
+$primary: #c5a059; // Candeal Gold (keep aligned with docs/logo-placeholder.svg)
+$navbar-bg: #f8f9fa;
+$navbar-hl: #003b71; // PUC Blue (Pontificia Universidad Católica palette) for hover/focus
 
 h1,
 h2 {