:root{--color-primary:#4f46e5;--color-secondary:#7c3aed;--color-background:#ffffff;--color-foreground:#0f172a;--font-heading:system-ui,sans-serif;--font-body:system-ui,sans-serif;--radius:0.5rem}*{box-sizing:border-box}body{margin:0;font-family:var(--font-body);background:var(--color-background);color:var(--color-foreground)}.btn-primary{display:inline-block;padding:.75rem 1.5rem;background:var(--color-primary);color:#fff;border-radius:var(--radius);text-decoration:none;font-weight:600}.hero{min-height:80vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:2rem}