.celltex-b2b-wrapper {
    max-width: 1100px;
    margin: 30px auto;
    font-family: 'Helvetica Neue', Arial, sans-serif;
    color: #333;
}

.celltex-b2b-header {
    text-align: center;
    margin-bottom: 30px;
}

.celltex-b2b-header h2 {
    color: #003366;
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
}

.b2b-step-title {
    font-size: 20px;
    font-weight: 600;
    color: #003366;
    margin: 30px 0 20px 0;
    display: flex;
    align-items: center;
    border-bottom: 2px solid #e0e6ed;
    padding-bottom: 10px;
}

.b2b-step-title span {
    background: #003366;
    color: #fff;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-right: 12px;
    font-size: 16px;
}

/* Tarjetas de Selección de Servicio */
.b2b-grid-services {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.b2b-card-service {
    background: #ffffff;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    padding: 22px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0,0,0,0.03);
}

.b2b-card-service:hover {
    border-color: #003366;
    transform: translateY(-4px);
    box-shadow: 0 8px 15px rgba(0, 51, 102, 0.12);
}

.b2b-card-service.active {
    border-color: #003366;
    background-color: #f0f7ff;
    box-shadow: 0 0 0 3px rgba(0, 51, 102, 0.2);
}

.b2b-card-icon {
    font-size: 36px;
    margin-bottom: 10px;
}

.b2b-card-service h3 {
    font-size: 17px;
    color: #003366;
    margin: 0 0 8px 0;
    font-weight: 600;
}

.b2b-card-service p {
    font-size: 13px;
    color: #64748b;
    margin: 0;
    line-height: 1.4;
}

/* Formularios y Campos */
.form-row {
    display: flex;
    gap: 20px;
    margin-bottom: 16px;
}

.form-col {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.form-col.full-width {
    flex: 100%;
}

.form-col label {
    font-size: 14px;
    font-weight: 600;
    color: #334155;
    margin-bottom: 6px;
}

.form-col input, 
.form-col select, 
.form-col textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    font-size: 14px;
    background: #f8fafc;
    transition: border 0.2s ease;
}

.form-col input:focus, 
.form-col select:focus, 
.form-col textarea:focus {
    border-color: #003366;
    background: #fff;
    outline: none;
}

/* Botón de Envío */
.b2b-btn-submit {
    width: 100%;
    background: #003366;
    color: #ffffff;
    font-size: 16px;
    font-weight: 700;
    padding: 16px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    margin-top: 20px;
    transition: background 0.3s ease;
}

.b2b-btn-submit:hover {
    background: #002244;
}

@media (max-width: 768px) {
    .form-row {
        flex-direction: column;
        gap: 12px;
    }
}