refactor: standardize vertical spacing across feature sections

- Reduced py-10 to py-8 for consistent spacing in feature grids and carousels
- Restructured HomeHosting and HomeTab sections with full-width border layout pattern
- Replaced HomeTab card grid with bento-style component showcase layout

src/components/features-section-demo-2.tsx

@@ -59,7 +59,7 @@ export default function FeaturesSectionDemo() {
     },
   ];
   return (
-    <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4  relative z-10 py-10 max-w-7xl mx-auto">
+    <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4  relative z-10 py-8 max-w-7xl mx-auto">
       {features.map((feature, index) => (
         <Feature key={feature.title} {...feature} index={index} />
       ))}
@@ -81,7 +81,7 @@ const Feature = ({
   return (
     <div
       className={cn(
-        "flex flex-col lg:border-r  py-10 relative group/feature dark:border-neutral-800",
+        "flex flex-col lg:border-r  py-8 relative group/feature dark:border-neutral-800",
         (index === 0 || index === 4) && "lg:border-l dark:border-neutral-800",
         index < 4 && "lg:border-b dark:border-neutral-800"
       )}