* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;
}

body {
    background-color: #f2f2f2;
    color: #333333;
}

/* Header section */
.header {
    color: #ffffff;
    background-color: #2d2d2d;
    text-align: center;
    padding: 18px 10px;
}

.header h1 {
    font-size: 26px;
    font-weight: bold;
    margin-bottom: 6px;
}

.header p {
    font-size: 14px;
    font-weight: normal;
    color: #ffffff;
}

/* Navigation bar */
.navbar {
    display: flex;
    justify-content: center;
    gap: 50px;
    font-weight: bold;
    background-color: #383838;
    padding: 10px 0;
}

.navbar a {
    color: #ffd700;
    text-decoration: none;
    font-size: 15px;
    transition: color 0.2s ease;
}

.navbar a:hover {
    color: #ff0000;
}

/* Dropdown menu */
.dropdown-pr {
    position: relative;
    display: inline-block;
}

.dropdown-pr:hover > a {
    color: #ff0000;
}

.dropdown-chd {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    padding: 0;
    margin: 0;
    background-color: #2b2b2b;
    list-style: none;
    width: 140px;
    z-index: 1000;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.dropdown-pr:hover .dropdown-chd {
    display: block;
}

.dropdown-chd li {
    width: 100%;
}

.dropdown-chd li a {
    display: block;
    padding: 8px 12px;
    color: #ffd700;
    text-decoration: none;
    font-size: 13px;
    font-weight: normal;
    border-bottom: 1px dotted #ffffff;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.dropdown-chd li:last-child a {
    border-bottom: none;
}

.dropdown-chd li a:hover {
    color: #ff0000;
    background-color: #383838;
}

/* Main container and product grid */
.container {
    max-width: 1200px;
    margin: 30px auto;
    padding: 0 20px;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

/* Product card */
.product-card {
    background-color: #ffffff;
    border: 1px solid #e0e0e0;
    border-radius: 12px;
    padding: 20px 15px 22px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1);
}

.product-card img {
    width: 100%;
    height: 160px;
    object-fit: contain;
    margin-bottom: 12px;
}

.product-card h3 {
    font-size: 15px;
    font-weight: bold;
    color: #111111;
    margin-bottom: 6px;
}

.price {
    font-size: 13px;
    color: #666666;
    margin-bottom: 12px;
}

.button-add {
    background-color: #28a745;
    color: #ffffff;
    border: none;
    padding: 7px 18px;
    border-radius: 4px;
    font-size: 12px;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.button-add:hover {
    background-color: #218838;
}

/* Responsive adjustments */
@media (max-width: 992px) {
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .product-grid {
        grid-template-columns: 1fr;
    }
    .navbar {
        gap: 15px;
        flex-wrap: wrap;
    }
}