body {
    font-family: 'Noto Sans Bengali', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;
}

:root {
    --primary-color: #4CAF50; /* Green */
    --secondary-color: #FF9800; /* Orange */
    --light-bg: #f9f9f9;
}

header {
    background-color: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    padding: 1rem 2rem;
}

.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo a {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    text-decoration: none;
}

.search-bar input {
    padding: 0.5rem;
    border: 1px solid #ccc;
    border-radius: 5px;
}

.search-bar button {
    padding: 0.5rem 1rem;
    background-color: var(--secondary-color);
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

.language-switcher button {
    background: none;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    padding: 0.5rem;
    border-radius: 5px;
    cursor: pointer;
}

.main-nav {
    display: block;
}

.desktop-menu {
    list-style: none;
    padding: 0;
    margin: 1rem 0 0;
    display: flex;
}

.desktop-menu li {
    margin-right: 1.5rem;
}

.desktop-menu a {
    text-decoration: none;
    color: #555;
    font-weight: 500;
}

.mobile-nav {
    display: none;
}

.container {
    display: flex;
    padding: 2rem;
}

.sidebar {
    width: 250px;
    margin-right: 2rem;
    background-color: #fff;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.filter-section h4 {
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
}

.products-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
    flex-grow: 1;
}

.product-card {
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    padding: 1rem;
    text-align: center;
    cursor: pointer;
}

.product-card img {
    width: 100%;
    height: 150px;
    object-fit: contain;
    margin-bottom: 1rem;
}

.product-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.product-card p {
    color: var(--primary-color);
    font-size: 1.1rem;
    font-weight: bold;
}

.modal {
    display: none;
    position: fixed;
    z-index: 1;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.6);
}

.modal-content {
    background-color: #fff;
    margin: 10% auto;
    padding: 2rem;
    border-radius: 10px;
    width: 80%;
    max-width: 800px;
    position: relative;
}

.close-btn {
    position: absolute;
    top: 10px;
    right: 20px;
    font-size: 30px;
    font-weight: bold;
    cursor: pointer;
}

.order-form input, .order-form textarea, .order-form select {
    width: 100%;
    padding: 0.5rem;
    margin-bottom: 1rem;
    border: 1px solid #ccc;
    border-radius: 5px;
}

.order-form button {
    background-color: var(--primary-color);
    color: #fff;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

footer {
    background-color: #333;
    color: #fff;
    text-align: center;
    padding: 1rem;
}

/* Mobile responsive styles */
@media (max-width: 768px) {
    .top-bar {
        flex-direction: column;
    }

    .search-bar {
        margin-top: 1rem;
    }

    .main-nav {
        display: none;
    }

    .mobile-nav {
        display: flex;
        position: fixed;
        bottom: 0;
        left: 0;
        width: 100%;
        background-color: #fff;
        border-top: 1px solid #ddd;
        justify-content: space-around;
        padding: 0.5rem 0;
        box-shadow: 0 -2px 5px rgba(0,0,0,0.1);
    }

    .mobile-nav-item {
        text-align: center;
        text-decoration: none;
        color: #555;
        font-size: 0.8rem;
    }

    .container {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        margin-bottom: 2rem;
    }
}