:root {
            --color-primary: #4bc3d1;
            --color-secondary: #a4dfe6;
            --color-light: #fff;
            --color-dark: #333;
        }

        body {
            font-family: Arial, sans-serif;
            background-color: var(--color-light);
            margin: 0;
            padding: 20px 10px;
            display: flex;
            justify-content: center;
        }

        .catalog {
            width: 100%;
            max-width: 1100px;
            background-color: var(--color-light);
        }

        header {
            display: flex;
            align-items: center;
            margin-bottom: 20px;
            padding: 0 10px;
        }

        .logo {
            width: 80px;
            margin-right: 10px;
        }

        h1 {
            color: var(--color-primary);
            margin: 0;
            font-size: 22px;
        }

        .products-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px; /* aumentamos a 30px para mayor separación */
            align-items: stretch;
        }

        .product {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            background-color: var(--color-secondary);
            border: 1px solid var(--color-primary);
            border-radius: 10px;
            padding: 15px;
            text-align: center;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            height: 100%;
            box-sizing: border-box;
        }

        .product:hover {
            transform: scale(1.02);
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
        }

        .product-image {
            width: 100%;
            max-height: 250px;
            object-fit: contain;
            border-radius: 10px;
        }

        h2 {
            font-size: 1.2rem;
            color: var(--color-dark);
            margin: 12px 0 8px;
        }

        .specifications {
            text-align: left;
            margin-top: 10px;
            font-size: 0.95rem;
        }

        .specifications p {
            margin: 4px 0;
        }

        .product .specifications {
            flex-grow: 1;
        }

        .whatsapp-button {
            align-self: center;
            margin-top: 15px;
            padding: 8px 12px;
            background-color: var(--color-primary);
            color: white;
            border-radius: 6px;
            text-decoration: none;
            font-weight: bold;
            transition: background 0.3s ease;
        }

        .whatsapp-button:hover {
            background-color: #3ab0bd;
        }