.responsive-form{box-sizing:border-box;background-color:#f9f9f9;border:1px solid #0070f3;border-radius:12px;grid-template-columns:repeat(3,1fr);gap:15px;margin-bottom:25px;padding:25px;display:grid}.responsive-form input,.responsive-form select{box-sizing:border-box;border:1px solid #ccc;border-radius:6px;width:100%;padding:12px;font-size:1rem;transition:border-color .2s}.responsive-form button{color:#fff;cursor:pointer;background-color:#0070f3;border:none;border-radius:6px;grid-column:1/-1;justify-content:center;align-items:center;margin-top:5px;padding:15px;font-size:1.1em;font-weight:700;transition:background .2s,transform .1s;display:flex}.responsive-form button:hover:not(:disabled){background-color:#0056b3}.responsive-form button:active:not(:disabled){transform:scale(.98)}@media (max-width:768px){.responsive-form{grid-template-columns:1fr;gap:18px;padding:20px}.responsive-form button{margin-top:10px;padding:18px}}