Update src/app/page.tsx

Merge version_3 into main

src/app/page.tsx

@@ -47,7 +47,7 @@ export default function LandingPage() {
           <HeroLogoBillboard
             background={{ variant: "sparkles-gradient" }}
             logoText="Chronos Collection"
-            description="Exquisite timepieces curated for the modern connoisseur. Discover our heritage collection of precision and elegance."
+            description="Exquisite timepieces curated for the modern connoisseur. Every purchase is backed by our lifetime buy-back guarantee and official multi-point certification, ensuring total peace of mind for your investment."
             buttons={[
               { text: "Explore Collection", href: "#products" },
               { text: "Our Story", href: "#about" },
@@ -147,6 +147,7 @@ export default function LandingPage() {
             faqs={[
               { id: "q1", title: "Are your watches authenticated?", content: "Yes, every single watch undergoes a multi-point verification by certified watchmakers." },
               { id: "q2", title: "Do you offer shipping insurance?", content: "Absolutely. Every shipment is fully insured for its total value." },
+              { id: "q3", title: "How does the lifetime buy-back guarantee work?", content: "We provide a seamless process where you can return your certified timepiece to us at any time. We will assess the market value and offer a transparent buy-back price based on its current condition and model rarity, ensuring you always retain liquidity for your investments." },
             ]}
             sideTitle="Questions?"
             sideDescription="Everything you need to know about our collection and services."