You know the scene. You’re staring at an open suitcase at 11 PM the night before a weekend trip. You throw in three pairs of shoes “just in case.” A jacket. Four shirts for two days. The bag bulges. You lug it through the airport, pay for checked baggage, and wear maybe 40% of what you packed. Stop doing that. A weekend trip is three days, max. You don’t need a wardrobe. You need a system. This isn’t a fluffy “pack smarter” lecture. This is a specific list of exactly what goes in the bag, what stays home, and why…