body { margin: 0; background: #f8f7f2; color: #193e34; font: 1rem/1.65 system-ui, sans-serif; }
header, footer, main { max-width: 44rem; margin: auto; padding: 1rem 1.5rem; }
header a { font-size: 1.25rem; font-weight: 750; }
a { color: inherit; text-underline-offset: .2em; }
h1 { font-size: clamp(2.25rem, 6vw, 3.5rem); line-height: 1.1; margin-bottom: .5rem; }
h2 { font-size: 1.25rem; margin-top: 2rem; }
.muted { color: #4f655d; }
footer { border-top: 1px solid #d4ddd5; display: flex; justify-content: space-between; flex-wrap: wrap; gap: .5rem; }