.container1 {
    background-color: white;
    max-width: 800px;
    width: 100%;
    margin: 0 auto;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
}



.montant-input {
    margin-bottom: 30px;
    text-align: center;
}

.montant-input input {
    max-width: 300px;
    margin: 0 auto;
    font-size: 1em;
    text-align: center;
    border: 2px solid #3498db;
}

.form-group {
    margin-bottom: 30px;
    
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #34495e;
    font-size: 1.1em;
}

input, select {
    width:100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    box-sizing: border-box;
    font-size: 1em;
    transition: border-color 0.3s ease;
}

input:focus, select:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 5px rgba(52, 152, 219, 0.3);
}

input:invalid {
    border-color: #e74c3c;
}

button {
    background-color: #3498db;
    color: white;
    padding: 15px 25px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    
}

button:hover {
    background-color: #2980b9;
}

#pret-form {
    opacity: 0;
    max-height: 0;
    transform: translateY(-20px);
    transition: all 0.5s ease-in-out;
}

#pret-form.visible {
    opacity: 1;
    max-height: 2000px;
    transform: translateY(0);
    margin-top: 30px;
}

.message-error {
    color: #e74c3c;
    margin-top: 10px;
    font-size: 0.9em;
    text-align: center;
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.3s ease-in-out;
}

.message-error.visible {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 600px) {
    .container1 {
        padding: 20px;
    }
    
   
}