body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;
}

.container {
    width: 80%;
    margin: auto;
    overflow: hidden;
    padding: 0 20px;
}

header {
    background: #cc0000; /* Red color scheme */
    color: #ffffff;
    padding-top: 20px;
    min-height: 80px;
    border-bottom: #a30000 3px solid;
}

header #logo {
    float: left;
    max-height: 60px; /* Adjust as needed */
    margin-top: 5px;
}

header nav {
    float: right;
    margin-top: 25px;
}

header ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

header li {
    display: inline;
    padding: 0 20px 0 20px;
}

header a {
    color: #ffffff;
    text-decoration: none;
    text-transform: uppercase;
    font-size: 16px;
}

header a:hover {
    color: #cccccc;
}

main h1 {
    text-align: center;
    color: #333;
    margin-top: 30px;
    margin-bottom: 20px;
}

.payment-cards {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around; /* Distributes space around items */
    gap: 20px; /* Adds space between cards */
    padding-bottom: 30px;
}

.card {
    background: #ffffff;
    border: 1px solid #ddd;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    width: calc(50% - 40px); /* Two cards per row, accounting for gap and padding */
    margin-bottom: 20px;
    padding: 20px;
    box-sizing: border-box; /* Includes padding and border in the element's total width and height */
    text-align: center;
}

.card img {
    max-width: 100%;
    height: 150px;
    object-fit: contain;
    margin-bottom: 15px;
    border-radius: 4px;
    display: block;
    background-color: #f8f9fa;
    border: 1px solid #e9ecef;
}

.card h2 {
    font-size: 1.5em;
    margin-bottom: 10px;
    color: #cc0000;
}

.card .price {
    font-size: 1.2em;
    font-weight: bold;
    color: #333;
    margin-bottom: 15px;
}

.payment-button {
    display: inline-block;
    background-color: #cc0000; /* Red color scheme */
    color: #ffffff;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    transition: background-color 0.3s ease;
}

.payment-button:hover {
    background-color: #a30000; /* Darker red on hover */
}

footer {
    background: #333;
    color: #ffffff;
    text-align: center;
    padding: 20px;
    margin-top: 30px;
}

/* Logo styling */
#logo {
    max-height: 60px;
    width: auto;
    display: block;
}

/* Safe checkout image styling */
img[alt="Safe and Secure Checkout"] {
    max-width: 400px;
    height: auto;
    display: block;
    margin: 20px auto;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

/* Responsive adjustments */
@media(max-width: 768px) {
    header #logo {
        float: none;
        display: block;
        margin: 0 auto 10px auto;
        text-align: center;
    }

    header nav {
        float: none;
        text-align: center;
        margin-top: 10px;
    }

    header li {
        display: block;
        padding: 10px 0;
    }

    .payment-cards {
        flex-direction: column;
        align-items: center;
    }

    .card {
        width: 90%; /* Full width for cards on smaller screens */
        margin-left: auto;
        margin-right: auto;
    }

    .card img {
        height: 120px;
    }
    
    img[alt="Safe and Secure Checkout"] {
        max-width: 90%;
    }
    
    #logo {
        max-height: 50px;
    }
}