body{margin:0;font-family:Arial;background:#f4f6f9;text-align:center}
header{background:#0A3D62;color:white;padding:40px}
.tools-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;padding:40px}
.tool-card{background:white;padding:30px;border-radius:12px;text-decoration:none;color:#0A3D62;box-shadow:0 5px 15px rgba(0,0,0,.1)}
footer{background:#0A3D62;color:white;padding:20px}
input,button,textarea,select{padding:10px;margin:10px;width:80%;max-width:300px}
button{background:#0A3D62;color:white;border:none;border-radius:6px;cursor:pointer}