body { margin: 0; font-family: 'IBM Plex Sans', Arial, sans-serif; color: #123b4b; background: #f5f7f7; line-height: 1.8; }
main { max-width: 760px; margin: 0 auto; padding: 56px 24px; }
h1 { font-size: 30px; font-weight: 500; letter-spacing: .02em; }
h2 { font-size: 21px; font-weight: 500; margin-top: 36px; }
a { color: #07516a; text-underline-offset: 4px; }
:focus-visible { outline: 3px solid #36859c; outline-offset: 4px; }