:root{--color-bg:#131316;--color-card-bg:#161619;--color-text-main:#fafaff;--color-text-muted:#d1d1d5;--color-text-subtle:#c1c1c5;--color-border-subtle:#212125}*,:before,:after{box-sizing:border-box}body{background-color:var(--color-bg);color:var(--color-text-main);margin:0;padding:3rem;font-family:system-ui,sans-serif}h1,h2,h3,h4,h5,h6{font-weight:700}h1{font-size:3.5rem}