Client.php

<?php
require_once 'Factories.php';

class TechStore {
    public function renderShowcase(TechFactory $factory, string $brandName): void {
        $laptop = $factory->createLaptop();
        $netbook = $factory->createNetbook();
        $ebook = $factory->createEBook();
        $smartphone = $factory->createSmartphone();

        echo "<div style='font-family: sans-serif; border: 1px solid #ddd; padding: 15px; margin: 15px auto; max-width: 600px; background: #fff; box-shadow: 0 2px 4px rgba(0,0,0,0.05); border-radius: 6px;'>";
        echo "<h3 style='margin-top: 0; color: #2c3e50; border-bottom: 2px solid #3498db; padding-bottom: 5px;'>Вітрина бренду: $brandName</h3>";
        echo "<ul style='list-style: none; padding-left: 0; line-height: 1.8;'>";
        echo "<li>" . $laptop->getInfo() . "</li>";
        echo "<li>" . $netbook->getInfo() . "</li>";
        echo "<li>" . $ebook->getInfo() . "</li>";
        echo "<li>" . $smartphone->getInfo() . "</li>";
        echo "</ul>";
        echo "</div>";
    }
}