/* General Reset */
body, html {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: Arial, sans-serif;
    overflow: hidden; /* Key: Prevent page scrolling */
    background-color: #330066; /* Deep purple background */
}

/* Landing Page Container */
.landing-page {
    position: relative;
    width: 100%;
    height: 100vh; 
    display: flex; 
    justify-content: center; 
    align-items: center; 
}

/* Full Background Image - Cover the entire screen */
.full-background-image {
    position: absolute; 
    top: 0;
    left: 0;
    width: 100%;
    height: 100%; 
    
    /* Key: Use cover to fill the screen, content may be cropped */
    object-fit: cover; 
    
    object-position: center; 
    
    z-index: 1; 
}

/* Download Button Container - Fixed positioning, always at the bottom */
.download-container {
    position: fixed; 
    bottom: 0;      
    left: 50%;
    transform: translateX(-50%); 
    z-index: 100;  
    
    /* Further adjust size, smaller button */
    width: 60%; 
    max-width: 280px; 
    
    text-align: center;
    padding-bottom: 10px; 
}

/* Download Button (using <button> tag) */
.download-button {
    background: none; 
    border: none;     
    padding: 0;       
    cursor: pointer;
    width: 100%;      
    display: block;   
}

/* Download Button Image Style */
.download-button-img {
    width: 100%; 
    height: auto;
    transition: transform 0.2s ease-in-out;
}

.download-button-img:hover {
    transform: scale(1.03);
}

/* Media Queries: Responsive Adjustments */
@media (max-width: 768px) {
    .download-container {
        width: 70%; 
        max-width: 300px;
        padding-bottom: 8px; 
    }
}

@media (max-width: 480px) {
    .download-container {
        width: 75%; 
        max-width: 260px; 
        padding-bottom: 5px; 
    }
}

@media (min-width: 769px) {
    .landing-page {
        width: 450px !important;
        max-width: 500px !important;
        margin: 20px auto !important;
        position: relative;
        z-index: 1;
        min-height: calc(100vh - 40px);
        border-radius: 12px;
        box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
    }
}