💥 The First Time I Tried to Build a Responsive Website… 2 AM. Deadlines screaming. College project due in four hours. 📑 Table of Contents 💥 The First Time I Tried to Build a Responsive Website… 🧠 Flexbox — The Layout Engine That Just Works ⚙️ The Core Properties You Can’t Ignore 📱 Media Queries — Designing for the Real World 📏 Breakpoints: When to Shift Gears 🔍 Use DevTools Like a Pro 🧩 Putting It Together: A Real Layout 🤝 Common Pitfalls (And How I Learned Them the Hard Way) 🟩 Final Thoughts ❓ Frequently Asked Questions What’s the difference between Flexbox and CSS Grid? Should I use percentages or flex for responsive widths? How do I debug a flex layout that isn’t working? My portfolio site? Flawless on my clunky Dell laptop. Text neat. Buttons aligned. Tiny JS animation on scroll — chef’s kiss . Then I opened it on my old Redmi 5A. Chaos. Headings spilling off-screen. Images stretched so wide they looked like drunk Picasso art. Buttons? You had to zoom in like you were defusing a bomb.…