.techtuning-form-container {
    max-width: 100%;
    margin: 0 auto;
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    background-color: #ffffff;
    box-shadow: 0px 10px 30px 0px rgba(0, 0, 0, 0.08);
    padding: 40px;
    border: none;
    border-radius: 4px;
}

/* ... (rest of file) ... */

/* Mobile Responsive Grid */
@media (max-width: 768px) {
    .techtuning-grid {
        grid-template-columns: 1fr;
    }
}

/* Product Page Desktop Specifics */
@media (min-width: 992px) {
    .single-product .techtuning-form-container {
        margin-top: 180px;
    }
}

.techtuning-field {
    display: flex;
    flex-direction: column;
    margin-bottom: 1rem;
}

.techtuning-field.full-width {
    grid-column: 1 / -1;
}

.techtuning-field label {
    font-size: 0.75rem;
    font-weight: 700;
    color: #333;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.techtuning-form input[type="text"],
.techtuning-form input[type="email"],
.techtuning-form textarea,
.techtuning-form select {
    background-color: #f7f9fa;
    border: 1px solid #e1e4e8;
    border-radius: 4px;
    padding: 10px 12px;
    font-size: 1rem;
    color: #333;
    width: 100%;
    box-sizing: border-box;
    transition: border-color 0.2s ease;
}

/* Specific icon look from the screenshot - faking a right border accent or icon if needed
   User screenshot has a blue icon on the right. 
   We will keep it clean for now, or add a generic valid/invalid state later.
*/

.techtuning-form input:focus,
.techtuning-form textarea:focus,
.techtuning-form select:focus {
    border-color: #d32f2f;
    outline: none;
    background-color: #fff;
}

.techtuning-form textarea {
    resize: vertical;
}

.checkbox-field {
    margin-top: 1rem;
}

.agb-label {
    font-size: 0.7rem !important;
    color: #666 !important;
    display: block;
    margin-bottom: 0.5rem;
}

.checkbox-wrapper {
    background: #f7f9fa;
    border-radius: 4px;
    padding: 0.5rem 1rem;
    display: inline-flex;
    align-items: center;
    border: 1px solid #e1e4e8;
}

.checkbox-wrapper label {
    margin-bottom: 0;
    margin-right: 0.5rem;
    text-transform: none;
    font-size: 0.9rem;
}

.techtuning-submit-btn {
    background-color: #d32f2f;
    /* Red */
    color: white;
    border: none;
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    padding: 15px 0;
    width: 100%;
    border-radius: 4px;
    cursor: pointer;
    margin-top: 2rem;
    transition: background-color 0.2s;
}

.techtuning-submit-btn:hover {
    background-color: #b71c1c;
}

.techtuning-submit-btn:disabled {
    background-color: #e57373;
    cursor: not-allowed;
    opacity: 0.7;
}

.techtuning-response-message {
    padding: 1rem;
    margin-top: 1rem;
    border-radius: 4px;
    font-weight: 600;
    text-align: center;
}

.techtuning-response-message.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.techtuning-response-message.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}