html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    overflow: hidden; /* Prevents vertical scrolling */
}

.background {
    position: fixed; /* Fixed positioning to ensure full background */
    top: 70px; /* Start below the header */
    left: 0;
    width: 100%;
    height: calc(100% - 70px); /* Full height minus header */
    background-size: cover;
    background-position: center;
    z-index: 0; /* Behind other content */
}

/* Styles for Desktop */
@media (min-width: 768px) {
    .background {
        background-image: url('images/aviatordesk.jpg');
    }
}

/* Styles for Mobile */
@media (max-width: 767px) {
    .background {
        background-image: url('images/image.jpeg');
    }
}

/* Make the entire background clickable */
.clickable-area {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: block;
    text-decoration: none;
}

header {
    position: fixed; /* Fix header to top */
    top: 0;
    left: 0;
    width: 100%;
    background-color: #003377; /* Blue background */
    padding: 10px 20px; /* Padding adjusted for fixed positioning */
    height: 70px; /* Set a fixed height for the header */
    z-index: 1; /* Ensure header is above the background */
    box-sizing: border-box; /* Include padding in height */
}

.logo img {
    height: 50px; /* Adjust the height as needed */
}