fix: Add Google Fonts and proper CSS linking to SEO pages

- Added Google Fonts Inter font family link
- Fixed CSS stylesheet path
- Ensures consistent styling with main homepage

Pages fixed:
- reserve-study-software.html
- investment-management.html
- special-assessment-calculator.html

investment-management.html

@@ -7,7 +7,8 @@
     <meta name="description" content="Maximize your HOA's investment income with AI-powered investment management. Smart strategies for reserve funds, operating accounts, and capital projects. Free analysis.">
     <meta name="keywords" content="HOA investment management, HOA reserve fund investment, HOA investment policy, HOA cash management, HOA investment strategy">
     <link rel="canonical" href="https://www.hoaledgeriq.com/investment-management" />
-    <link rel="stylesheet" href="styles.css">
+    <link href="https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap" rel="stylesheet" />
+    <link rel="stylesheet" href="styles.css" />
     <!-- Google tag (gtag.js) -->
     <script async src="https://www.googletagmanager.com/gtag/js?id=G-RTWNVXPMRF"></script>
     <script>

reserve-study-software.html

@@ -7,7 +7,8 @@
     <meta name="description" content="Modernize your HOA reserve studies with AI-powered continuous planning. Replace static 5-year studies with dynamic, real-time reserve funding analysis. Free preview access.">
     <meta name="keywords" content="HOA reserve study software, reserve study analysis, HOA capital planning, HOA asset management, reserve funding calculator">
     <link rel="canonical" href="https://www.hoaledgeriq.com/reserve-study-software" />
-    <link rel="stylesheet" href="styles.css">
+    <link href="https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap" rel="stylesheet" />
+    <link rel="stylesheet" href="styles.css" />
     <!-- Google tag (gtag.js) -->
     <script async src="https://www.googletagmanager.com/gtag/js?id=G-RTWNVXPMRF"></script>
     <script>

special-assessment-calculator.html

@@ -7,7 +7,8 @@
     <meta name="description" content="Calculate and avoid special assessments with proper reserve planning. Free calculator shows how much your HOA should save monthly to avoid emergency assessments.">
     <meta name="keywords" content="HOA special assessment calculator, special assessment planning, HOA emergency fund calculator, avoid special assessments, HOA reserve planning">
     <link rel="canonical" href="https://www.hoaledgeriq.com/special-assessment-calculator" />
-    <link rel="stylesheet" href="styles.css">
+    <link href="https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap" rel="stylesheet" />
+    <link rel="stylesheet" href="styles.css" />
     <!-- Google tag (gtag.js) -->
     <script async src="https://www.googletagmanager.com/gtag/js?id=G-RTWNVXPMRF"></script>
     <script>