.bird-tool{background:#0a0a0a;color:#f2f1ea;padding:64px max(24px,6vw);font:18px/1.6 Arial,sans-serif;min-height:65vh}.bird-tool-inner{max-width:1000px;margin:auto}.bird-tool h1{font-size:clamp(36px,6vw,72px);line-height:1.05;letter-spacing:-.04em}.bird-tool a{color:inherit}.bird-tool-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:24px;margin:40px 0}.bird-tool label{display:block}.bird-tool input{display:block;width:100%;padding:14px;background:#171717;color:#fff;border:1px solid #777;font:inherit}.bird-tool-output{padding:24px;border:1px solid #777;font-size:24px;margin:24px 0}.bird-tool small{display:block;color:#bbb;font-size:15px}