I need a responsive landing page for a smartwatch product with the following specifications: PROJECT OVERVIEW: - Single-page landing page for smartwatch product promotion - Technologies: HTML, CSS, and JavaScript (vanilla JS preferred) - Clean, modern design with smooth animations REQUIRED FEATURES: - Hero section with product image and call-to-action - Product features section with icons/images - Specifications/technical details section - Pricing or purchase section - Contact/newsletter signup form - Smooth scroll animations and transitions - Hover effects on interactive elements - Mobile-responsive design (works on all screen sizes) ANIMATION REQUIREMENTS: - Fade-in animations on scroll - Product image rotation or carousel effect - Button hover animations - Smooth transitions between sections - Optional: Parallax scrolling effect DELIVERABLES: - Fully functional HTML/CSS/JS files - Responsive design (mobile, tablet, desktop) - Cross-browser compatible code - Clean, well-commented code - Image optimization TIMELINE: before 15/12/2026 BUDGET: 10$ Please share your portfolio with similar landing page projects. Include source files and basic documentation for future updates.