:root{--color-text:#1c1917;--color-muted:#57534e;--color-bg:#ffffff;--color-accent:#0f766e;--color-accent-strong:#115e59}*{box-sizing:border-box}body,html{margin:0;padding:0}body{color:var(--color-text);background:var(--color-bg);font-family:Avenir Next,Avenir,Helvetica Neue,Helvetica,Arial,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased}h1{font-size:clamp(1.75rem,4vw,2.5rem);line-height:1.15;margin:0 0 .5rem}a{color:var(--color-accent)}