:root{--color-text:#15191e;--color-muted:#5b6672;--color-background:#fff;--color-surface:#f5f7f9;--color-border:#dde3e8;--color-accent:#0f4c81;--space:1rem;--radius:6px}*,:before,:after{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--color-background);color:var(--color-text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5}a{color:var(--color-accent)}:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}.skip-link{position:absolute;left:-9999px}.skip-link:focus{left:var(--space);top:var(--space);background:var(--color-background);border:1px solid var(--color-border);border-radius:var(--radius);padding:.5rem .75rem}.page{max-width:64rem;padding:calc(var(--space) * 2) var(--space);margin:0 auto}.muted{color:var(--color-muted)}