Modern HTML/CSS Website Development

I'm looking for an experienced web developer to create a modern and clean website using custom HTML/CSS.

Key requirements:
- Develop a responsive, modern, and clean design
- Build the site from scratch using HTML/CSS
- Ensure cross-browser compatibility
- Optimize for SEO
- Implement basic security features

Ideal skills and experience:
- Proficiency in HTML, CSS, and JavaScript
- Strong portfolio showcasing modern and clean designs
- Experience in SEO and website security
- Attention to detail and commitment to deadlines

Please include examples of your previous work in your bids.