.sfn{width:100%;max-width:24rem;margin-top:4px}.sfn-lead{font-family:var(--font-sans),sans-serif;letter-spacing:-.006em;color:var(--sf-muted);max-width:40ch;margin:0;font-size:12.5px;line-height:1.55}.sfn-form{border-bottom:1px solid var(--sf-line);width:100%;transition:border-color var(--dur) var(--ease);align-items:center;gap:8px;margin-top:12px;padding:0 0 7px;display:flex}.sfn-form:focus-within{border-bottom-color:var(--hero-green)}.sfn-input{min-width:0;height:26px;font-family:var(--font-sans),sans-serif;letter-spacing:-.008em;color:var(--sf-text);background:0 0;border:0;outline:none;flex:auto;padding:0;font-size:14px}.sfn-input::placeholder{color:var(--sf-muted)}.sfn-input:disabled{opacity:.6}.sfn-btn{border:1px solid var(--sf-line);height:30px;color:var(--sf-muted);cursor:pointer;font-family:var(--font-mono),monospace;letter-spacing:.08em;text-transform:uppercase;white-space:nowrap;transition:color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);background:0 0;border-radius:4px;flex:none;justify-content:center;align-items:center;padding:0 12px;font-size:10px;font-weight:500;display:inline-flex}.sfn-btn:hover:not(:disabled){color:var(--hero-green);border-color:var(--hero-green)}.sfn-btn:disabled{opacity:.5;cursor:default}.sfn-btn.is-ready{opacity:1;cursor:pointer;color:#0a0a0a;background:var(--hero-green);border-color:var(--hero-green)}.sfn-btn.is-ready:hover:not(:disabled){color:#0a0a0a;opacity:.9}.sfn-btn:focus-visible{outline:2px solid var(--hero-green);outline-offset:2px}.sfn-done{font-family:var(--font-sans),sans-serif;letter-spacing:-.008em;color:var(--hero-green);border-bottom:1px solid var(--hero-green);margin:12px 0 0;padding:0 0 7px;font-size:14px}.sfn-msg{min-height:1rem;font-family:var(--font-sans),sans-serif;color:var(--sf-muted);margin:4px 0 0;font-size:11.5px;line-height:1.45}.sfn-msg.is-error{color:#e5484d}.sfn-hp{opacity:0;pointer-events:none;width:1px;height:1px;position:absolute;left:-9999px}.sr-only{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@media (prefers-reduced-motion:reduce){.sfn-btn{transition:none}}