:root { font-family: system-ui, sans-serif; color: #192326; background: #f5f7f8; letter-spacing: 0; }
body { margin: 0; }
main { width: min(640px, calc(100% - 48px)); margin: 80px auto; }
h1 { margin: 0 0 16px; font-size: 36px; overflow-wrap: anywhere; }
p { color: #52646b; line-height: 1.6; }