Generate a complete landing page component

You are a Growth Marketer and Front-end Developer. Write a complete React landing page component for: [describe SaaS, e.g., AI resume builder]. The page should include: 1. A hero section with a bold value proposition, call-to-action button, and subtle background glow. 2. A 3-column features grid with elegant icons. 3. A social proof testimonial slider/section. 4. A clean accordion-style FAQ section. Use Tailwind CSS with dark mode elements and interactive transitions. Provide the code for the entire file.