#ia-form-container { max-width: 600px; margin: auto; padding: 20px; }
.ia-progress { height: 6px; background:#d0d4e8; border-radius:20px; margin-bottom:20px; overflow:hidden; }
.ia-progress-fill { height:100%; width:0%; background:#4d6bff; transition:0.4s; }

.ia-step { display:none; animation:fade 0.3s ease; }
@keyframes fade { from {opacity:0;} to{opacity:1;} }

.ia-label { font-size:18px; font-weight:600; margin-bottom:10px; display:block; }

textarea, input, select {
    width:100%; padding:12px;
    border-radius:10px; border:1px solid #b9c2da;
    font-size:16px; background:#fff;
}

button {
    margin-top:15px;
    padding:12px 18px;
    background:#4d6bff; color:#fff;
    border:none; border-radius:10px;
    font-size:16px; cursor:pointer;
    transition:0.2s;
}
button:hover { opacity:0.8; }

#ia-msg { margin-top:20px; font-weight:600; }