.contact-form{max-width:500px;margin:3rem auto;padding:2rem;background-color:#fdfdfd;box-shadow:0 10px 30px rgba(0,0,0,.1);border-radius:12px;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif}.form-group{margin-bottom:1.5rem;display:flex;flex-direction:column}label{margin-bottom:.5rem;font-weight:600;color:#333}input,textarea{padding:.75rem 1rem;border:1px solid #ccc;border-radius:8px;font-size:1rem;transition:border-color .3s,box-shadow .3s}input:focus,textarea:focus{outline:none;border-color:#0070f3;box-shadow:0 0 0 3px rgba(0,112,243,.2)}textarea{resize:vertical;min-height:120px}.submit-button{width:100%;padding:.75rem;font-size:1.1rem;font-weight:700;background-color:#0070f3;color:white;border:none;border-radius:8px;cursor:pointer;transition:background-color .3s}.submit-button:hover{background-color:#005bb5}.submit-button:disabled{background-color:#ccc;cursor:not-allowed}