* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    background-color: #FFFFFF;
    color: #333;
}

.container {
    max-width: 990px;
    margin: 0 auto;
}

.main-content {
    display: flex;
}

.left-column {
    flex: 1;
}

.right-column {
    width: 201px;
}

.top-nav {
    display: flex;
    background: linear-gradient(to right, #2c6da5, #5298d8);
    border-radius: 4px 4px 0 0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.top-nav a {
    display: block;
    color: #ffffff; /* Changed to pure white for better contrast */
    text-decoration: none;
    padding: 12px 15px;
    font-weight: bold;
    text-align: center;
    transition: all 0.3s ease;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
}

.top-nav a:hover {
    background-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.spacer {
    flex-grow: 1;
}

.logo-banner {
    display: block;
    margin: 0 auto;
    border-radius: 0 0 4px 4px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
}

.logo-row{
    padding: 5px 0;
}

.contact-bar {
    display: flex;
    background: linear-gradient(to right, #f9fafc, #f1f5f9);
    padding: 10px 0;
    border-bottom: 1px solid #e6e6e6;
}

.contact-bar a {
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: #3c7ab5;
    padding: 0 15px;
    transition: color 0.3s ease;
}

.contact-bar a:hover {
    color: #5298d8;
    text-decoration: underline;
}

.contact-bar a i {
    margin-right: 8px;
}

.contact-spacer {
    flex-grow: 1;
}

.product-menu {
    background: linear-gradient(135deg, #fafbfc 0%, #f0f4f8 100%);
    border-radius: 0 0 8px 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.03);
}

.product-header {
    background: linear-gradient(to right, #2c6da5, #5298d8);
    color: white;
    padding: 14px 20px;
    font-size: 18px;
    font-weight: bold;
    border-radius: 8px 8px 0 0;
    margin-bottom: 25px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.product-categories, .product-subcategories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 25px;
    padding: 0 15px;
    margin-bottom: 30px;
}

.product-item {
    text-align: center;
    transition: all 0.3s ease;
}

.product-item:hover {
    transform: translateY(-5px);
}

.product-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(145deg, #5298d8, #3c7ab5);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 12px;
    box-shadow: 0 6px 12px rgba(60, 100, 150, 0.12);
    transition: all 0.3s ease;
}

.product-item:hover .product-icon {
    box-shadow: 0 8px 16px rgba(60, 100, 150, 0.2);
    background: linear-gradient(145deg, #62a8e8, #4c8ac5);
}

.product-icon svg {
    width: 40px;
    height: 40px;
    fill: white;
    transition: transform 0.3s ease;
}

.product-item:hover .product-icon svg {
    transform: scale(1.1);
}

.product-name {
    font-size: 14px;
    color: #555;
    font-weight: bold;
    transition: color 0.3s ease;
}

.product-item:hover .product-name {
    color: #3c7ab5;
}

.footer-image {
    text-align: center;
}

.footer-image img {
    display: block;
    margin: 0 auto;
    max-width: 100%;
    height: auto;
}

.footer-icon {
    text-align: center;
    margin: 25px 0;
}

.footer-icon svg {
    width: 80px;
    height: 80px;
    fill: #3c7ab5;
}

.sidebar-ad {
    background: linear-gradient(135deg, #f0f4f8 0%, #e6eef5 100%);
    height: 620px;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 30px;
    text-align: center;
    box-shadow: 0 6px 12px rgba(60, 100, 150, 0.15);
}


/* Enhanced Mobile Responsiveness */
@media (max-width: 990px) {
    .container {
        width: 100%;
        padding: 0 10px;
    }
    
    .main-content {
        flex-direction: column;
    }
    
    .right-column {
        width: 100%;
        margin-top: 25px;
    }
}

@media (max-width: 768px) {
    .top-nav {
        flex-direction: row;  /* Changed from column to row */
        align-items: center;  /* Center items vertically */
        flex-wrap: wrap;      /* Allow wrapping on narrow screens */
        justify-content: center; /* Center items horizontally */
    }

    .top-nav a {
        padding: 10px 15px;   /* Adjusted padding */
        border: none;         /* Removed border */
        font-size: 14px;      /* Slightly smaller font */
    }

    .logo-banner {
        width: auto;          /* Auto width */
        height: auto;         /* Auto height */
        max-width: 100%;      /* Prevent overflow */
        display: block;       /* Block display */
        margin: 0 auto;       /* Center the image */
    }

    .logo-header {
        text-align: center;   /* Center logo container */
    }

    .logo-row {
        display: flex;        /* Use flex */
        justify-content: center; /* Center horizontally */
        align-items: center;  /* Center vertically */
        padding: 5px 0;
    }

    .product-categories, .product-subcategories {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        gap: 15px;
    }

    .product-item {
        width: 100%; /* Remove fixed width calculation */
    }

    .product-icon {
        width: 60px;
        height: 60px;
    }

    .product-icon svg {
        width: 30px;
        height: 30px;
    }

    .product-name {
        font-size: 12px;
    }

    .footer-image img {
        width: 100%;
        height: auto;
    }
}

@media (max-width: 480px) {
    .product-categories, .product-subcategories {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .product-item {
        width: calc(100% - 20px);
    }

    .product-icon {
        width: 50px;
        height: 50px;
    }

    .company-footer p {
        font-size: 12px;
    }

    .contact-bar {
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }

    .contact-spacer {
        display: none;
    }

    .top-nav a {
        padding: 8px 10px;    /* Even smaller padding for very small screens */
        font-size: 12px;      /* Smaller font size */
    }
}