I get duplicate stores.
the site in this: https://www.centroetnapolis.it/negozi
the code:
<?php snippet('header') ?>
<?php $negozihome = $pages->find('negozi');?>
<div role="main" class="main" id="home">
<section class="section section-background section-center match-height" style="background-image: url(<?php echo $site->url();?>/assets/img/back.jpg); min-height: 150px; padding-top:65px;">
<div class="container">
<div class="row">
<div class="col-md-12">
<h1 style="text-transform: uppercase; color: #272f65"><b><?php echo $page->title();?> </b></h1>
</div>
</div>
</div>
</section>
<section class="section section-background section-center match-height" style="margin-top: -40px; min-height: 150px; padding-top:65px;">
<div class="container-fluid py-2 "style=" " >
<div class="container">
<div data-sort-id="portfolio" data-option-key="filter" data-plugin-options="{'layoutMode': 'fitRows', 'filter': '*'}">
<li class="active" data-option-value=".alimentare"><a class="nav-link text-1 text-uppercase active" style="" href="#">prova</a></li></div>
<?php $animazione = 600;?>
<ul class="nav nav-pills sort-source sort-source-style-1 justify-content-center" data-sort-id="portfolio" data-option-key="filter" data-plugin-options="{'layoutMode': 'fitRows', 'filter': '*'}">
<li class="nav-item active" data-option-value="*"><a class="nav-link text-1 text-uppercase active" style="" href="#">Mostra tutti</a></li>
<?php foreach($negozihome->children()->find('categorie')->children()->sortBy('title','asc') as $categoria):?>
<li class="nav-item" data-option-value=".<?php echo $categoria->uid();?>"><a class="nav-link text-1 text-uppercase" style=""href="#">
<?php echo $categoria->title();?></a></li>
<?php endforeach; ?>
</ul>
<div class="sort-destination-loader sort-destination-loader-showing mt-4 pt-2">
<div class="row portfolio-list sort-destination" data-sort-id="portfolio">
<?php $animazione = 100?>
<?php foreach($negozihome->children()->find('categorie')->grandChildren()->sortBy('title','asc') as $negozio):
?><?php if ($negozio->hasImages()):?>
<div class="col-lg-2 isotope-item <?php echo $negozio->parent()->uid();?>" style="padding-bottom: 20px;">
<div class="portfolio-item appear-animation" data-appear-animation="fadeIn" data-appear-animation-delay="<?php echo $animazione;?>"">
<a href="<?php echo $negozio->url();?>">
<span class="thumb-info thumb-info-no-overlay thumb-info-no-borders">
<span class="thumb-info-wrapper"><img src="<?php echo thumb($negozio->image(), array('width' => 300, 'height'=> 300))->url();?>" class="img-fluid border-radius-0"></span>
</span>
</a>
</div>
</div>
<?php endif;?>
<?php $animazione = $animazione+50; if ($animazione >= 900): $animazione = 100;endif?>
<?php endforeach;?>
</div>
</div>
</div>
</div>
<div class="row" style="margin-top:60px;"><div class="col-md-12" style="text-align:center;"></div>
</section>
<?php snippet('footer') ?>