Develop a comprehensive official website based on the attached specifications. The website should include a homepage with a concise overview of the organization, a detailed 'About Us' section outlining the organization's mission, values, and history, and a 'Services' section that clearly describes the services offered. Include a 'Portfolio' section to showcase past projects or achievements, a 'Blog' or 'News' section for updates and announcements, and a 'Contact' page with contact information and a contact form. The website must be responsive, ensuring optimal viewing across various devices, and should adhere to the design and branding guidelines specified in the attachment. The website should be easy to navigate, user-friendly, and optimized for search engines.