Darken green sections on endowment and about pages to match footer

Update background color of hero sections on `/waqf` and `/about` pages from `bg-primary` to a hardcoded dark green hex value (`#14573A`) to match the footer's color scheme.

Replit-Commit-Author: Agent
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Replit-Commit-Event-Id: edc772a3-99cc-4a02-9090-f469fdb17b33
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Replit-Helium-Checkpoint-Created: true

artifacts/ehsan-poc/src/pages/about.tsx

@@ -104,7 +104,7 @@ export default function About() {
         <>
           {/* Intro green panel */}
           <Reveal>
-            <section className="rounded-2xl bg-primary text-primary-foreground p-8 md:p-12 mb-10">
+            <section className="rounded-2xl bg-[#14573A] text-white p-8 md:p-12 mb-10">
               <h1 className="text-2xl md:text-3xl font-bold mb-5">{t.about.introTitle}</h1>
               <p className="leading-loose text-primary-foreground/90 max-w-4xl">
                 {t.about.intro}

artifacts/ehsan-poc/src/pages/waqf.tsx

@@ -10,7 +10,7 @@ export default function Waqf() {
     <div className="container mx-auto px-4 py-10">
       {/* Intro green panel */}
       <Reveal>
-        <section className="rounded-2xl bg-primary text-primary-foreground p-8 md:p-12 mb-10">
+        <section className="rounded-2xl bg-[#14573A] text-white p-8 md:p-12 mb-10">
           <h1 className="text-2xl md:text-3xl font-bold mb-5">{t.waqf.introTitle}</h1>
           <p className="leading-loose text-primary-foreground/90 max-w-4xl">
             {t.waqf.intro}