feat: monochrome black & white rebrand + new Pudu robots

- Convert site from royal-blue theme to black/white monochrome (desaturate
  all blue-hued colors; keep WhatsApp green and error red)
- Swap blue circular brand logo for mono YS mark; regenerate favicon/PWA icons
- Add 6 Pudu robots (CC1 Pro, MT1 Max, MT1 Vac, T600, T600 Underride, BG1 Pro)
- Fix favicon.ico to RGBA (Next 16 Turbopack decode) and Stripe apiVersion type

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

src/app/privacy-policy/page.tsx

@@ -6,35 +6,35 @@ export default function PrivacyPolicyPage() {
   return (
     <>
       <Navbar />
-      <div style={{ background: '#050508', minHeight: '100vh', color: '#ffffff', fontFamily: 'Inter, sans-serif' }}>
+      <div style={{ background: '#070707', minHeight: '100vh', color: '#ffffff', fontFamily: 'Inter, sans-serif' }}>
         <main style={{ maxWidth: '800px', margin: '0 auto', padding: '12rem 1.5rem 6rem', lineHeight: 1.8 }}>
           <h1 style={{ fontSize: '3rem', fontWeight: 200, marginBottom: '1rem', letterSpacing: '-0.03em' }}>Privacy <span style={{ color: 'var(--color-gold)', fontWeight: 500 }}>Policy</span></h1>
-          <p style={{ color: '#8891C7', fontSize: '1rem', marginBottom: '4rem' }}>Effective Date: {new Date().toLocaleDateString('en-AE')}</p>
+          <p style={{ color: '#a8a8a8', fontSize: '1rem', marginBottom: '4rem' }}>Effective Date: {new Date().toLocaleDateString('en-AE')}</p>
           
           <section style={{ marginBottom: '3rem' }}>
             <h2 style={{ fontSize: '1.5rem', fontWeight: 500, color: '#e8e0cf', marginBottom: '1rem' }}>1. Information We Collect</h2>
-            <p style={{ color: '#DEE0F0', marginBottom: '1rem' }}>
+            <p style={{ color: '#e7e7e7', marginBottom: '1rem' }}>
               At YS Lootah Robotics, we collect information you provide directly to us when you request information, use the G1 Customizer, or contact us. This includes your name, email address, phone number, and any other information you choose to provide in your message.
             </p>
           </section>
 
           <section style={{ marginBottom: '3rem' }}>
             <h2 style={{ fontSize: '1.5rem', fontWeight: 500, color: '#e8e0cf', marginBottom: '1rem' }}>2. How We Use Your Information</h2>
-            <p style={{ color: '#DEE0F0', marginBottom: '1rem' }}>
+            <p style={{ color: '#e7e7e7', marginBottom: '1rem' }}>
               We use the information we collect to respond to your inquiries, deliver our robotics enterprise solutions, maintain our dashboard, and communicate with you about your custom humanoid configurations.
             </p>
           </section>
 
           <section style={{ marginBottom: '3rem' }}>
             <h2 style={{ fontSize: '1.5rem', fontWeight: 500, color: '#e8e0cf', marginBottom: '1rem' }}>3. Data Security</h2>
-            <p style={{ color: '#DEE0F0', marginBottom: '1rem' }}>
+            <p style={{ color: '#e7e7e7', marginBottom: '1rem' }}>
               We implement robust security measures designed to protect your personal information. Your contact data is stored securely in our private databases strictly for administrative and operational purposes.
             </p>
           </section>
 
           <section style={{ marginBottom: '3rem' }}>
             <h2 style={{ fontSize: '1.5rem', fontWeight: 500, color: '#e8e0cf', marginBottom: '1rem' }}>4. Contact Us</h2>
-            <p style={{ color: '#DEE0F0', marginBottom: '1rem' }}>
+            <p style={{ color: '#e7e7e7', marginBottom: '1rem' }}>
               If you have questions or concerns about this Privacy Policy, please reach out to us at:
               <br/><br/>
               <strong>YS Lootah Robotics</strong><br/>