/* styles.css */
body, html {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: sans-serif;
    overflow: hidden; /* Prevent scrollbars from animation */
    background: linear-gradient(135deg, #1a1a2e, #16213e, #0f3460); /* Dark blue gradient */
    color: #e0e0e0;
}

.app-download-page {
    position: relative;
    width: 100%;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    perspective: 1000px; /* For potential 3D effects */
}

.background-animation {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
}

.bg-icon {
    position: absolute;
    opacity: 0.15; /* More subtle transparency */
    animation-name: conveyorBelt;
    animation-timing-function: linear;
    animation-iteration-count: infinite;
    will-change: transform; /* Optimize animation */
}

.bg-icon img {
    display: block;
    width: 100%;
    height: 100%;
    border-radius: 15px;
    /* Simple 3D tilt - optional */
    /* transform: rotateX(10deg) rotateY(10deg); */
}

@keyframes conveyorBelt {
    0% {
        transform: translateY(-150px); /* Start slightly above viewport */
    }
    100% {
        transform: translateY(calc(100vh + 150px)); /* End below viewport */
    }
}

/* Add variation for upward movement */
.bg-icon.up {
     animation-name: conveyorBeltUp;
}

@keyframes conveyorBeltUp {
    0% {
        transform: translateY(calc(100vh + 150px)); /* Start below viewport */
    }
    100% {
        transform: translateY(-150px); /* End slightly above viewport */
    }
}


.content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 40px;
    background: rgba(255, 255, 255, 0.05); /* Very subtle background */
    border-radius: 20px;
    backdrop-filter: blur(10px); /* Frosted glass effect */
    -webkit-backdrop-filter: blur(10px); /* Safari support */
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.main-app-icon {
    width: 120px; /* Slightly smaller */
    height: 120px;
    border-radius: 25px;
    margin-bottom: 25px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
    display: block;
    margin-left: auto;
    margin-right: auto;
}

h1 {
    margin-bottom: 10px;
    font-size: 2.5em;
    color: #ffffff;
    text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

p {
    margin-bottom: 30px;
    font-size: 1.1em;
    color: #c0c0c0;
}

.download-btn {
    padding: 15px 35px;
    font-size: 1.1em;
    font-weight: bold;
    color: #ffffff;
    background: #e94560; /* Vibrant button color */
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
    box-shadow: 0 4px 15px rgba(233, 69, 96, 0.4);
}

.download-btn:hover {
    background-color: #c6304c;
    transform: translateY(-2px);
}

.download-btn:active {
    transform: translateY(0);
}