feat: redesign page heroes, implement organic markers, and streamline contact flow

- Refined hero sections for About, Blog, Websites, and Case Studies for a bespoke industrial entry point.
- Redesigned Marker component using layered SVG paths for an organic, hand-drawn highlighter effect.
- Restored technical precision in ArchitectureVisualizer with refined line thickness.
- Streamlined contact page by removing generic headers and prioritizing the configurator/gateway.
- Updated technical references to reflect self-hosted Gitea infrastructure.
- Cleaned up unused imports and addressed linting warnings across modified pages.

pnpm-lock.yaml

@@ -178,6 +178,9 @@ importers:
       next:
         specifier: ^16.1.6
         version: 16.1.6(@babel/core@7.29.0)(@opentelemetry/api@1.9.0)(react-dom@19.2.4(react@19.2.4))(react@19.2.4)
+      nodemailer:
+        specifier: ^8.0.1
+        version: 8.0.1
       playwright:
         specifier: ^1.58.1
         version: 1.58.2
@@ -257,6 +260,9 @@ importers:
       "@types/node":
         specifier: ^25.0.6
         version: 25.2.0
+      "@types/nodemailer":
+        specifier: ^7.0.10
+        version: 7.0.10
       "@types/prismjs":
         specifier: ^1.26.5
         version: 1.26.5
@@ -4150,6 +4156,12 @@ packages:
         integrity: sha512-DZ8VwRFUNzuqJ5khrvwMXHmvPe+zGayJhr2CDNiKB1WBE1ST8Djl00D0IC4vvNmHMdj6DlbYRIaFE7WHjlDl5w==,
       }
 
+  "@types/nodemailer@7.0.10":
+    resolution:
+      {
+        integrity: sha512-tP+9WggTFN22Zxh0XFyst7239H0qwiRCogsk7v9aQS79sYAJY+WEbTHbNYcxUMaalHKmsNpxmoTe35hBEMMd6g==,
+      }
+
   "@types/pg-pool@2.0.7":
     resolution:
       {
@@ -9214,6 +9226,13 @@ packages:
         integrity: sha512-nmh3lCkYZ3grZvqcCH+fjmQ7X+H0OeZgP40OierEaAptX4XofMh5kwNbWh7lBduUzCcV/8kZ+NDLCwm2iorIlA==,
       }
 
+  nodemailer@8.0.1:
+    resolution:
+      {
+        integrity: sha512-5kcldIXmaEjZcHR6F28IKGSgpmZHaF1IXLWFTG+Xh3S+Cce4MiakLtWY+PlBU69fLbRa8HlaGIrC/QolUpHkhg==,
+      }
+    engines: { node: ">=6.0.0" }
+
   normalize-path@3.0.0:
     resolution:
       {
@@ -15179,6 +15198,10 @@ snapshots:
     dependencies:
       undici-types: 7.16.0
 
+  "@types/nodemailer@7.0.10":
+    dependencies:
+      "@types/node": 25.2.0
+
   "@types/pg-pool@2.0.7":
     dependencies:
       "@types/pg": 8.15.6
@@ -18586,6 +18609,8 @@ snapshots:
 
   node-releases@2.0.27: {}
 
+  nodemailer@8.0.1: {}
+
   normalize-path@3.0.0: {}
 
   normalize-range@0.1.2: {}