:root { color-scheme: light; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: #203a2c; background: #f5f7f3; }
* { box-sizing: border-box; }
body { margin: 0; line-height: 1.65; }
header, main, footer { width: min(100% - 40px, 800px); margin: 0 auto; }
header { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; padding: 28px 0; border-bottom: 1px solid #dce5dd; }
header > a { font-weight: 700; text-decoration: none; }
nav { display: flex; gap: 20px; }
main { padding: 32px 0 48px; }
h1 { font-size: clamp(1.8rem, 4vw, 2.3rem); line-height: 1.2; letter-spacing: -.03em; margin: 0 0 24px; }
h2 { font-size: 1.2rem; margin: 32px 0 10px; }
p, ul { margin: 0 0 16px; }
li { margin-bottom: 12px; }
a { color: #23623c; text-underline-offset: .2em; }
a:focus-visible { outline: 3px solid #75ac86; outline-offset: 4px; }
footer { border-top: 1px solid #dce5dd; padding: 24px 0 36px; font-size: .9rem; }
@media print { :root { background: white; color: black; } header, main, footer { width: 100%; } }