:root {
    --bg: #0f1115;
    --fg: #fff;
    --btn: #4cafef;
    --btn-hover: #72d0ff;
    --muted: #b6c0cf;
}


* {
    box-sizing: border-box;
    background-image: url('images/space.jpg');
}

body {
    font-family: system-ui, sans-serif;
    background: black;

    background-repeat: no-repeat;
    /* Prevents the image from repeating if it's smaller than the page */
    background-size: cover;
    /* Stretches or shrinks the image to cover the entire background area */
    background-attachment: fixed;
    /* Keeps the background image fixed while the content scrolls */
    background-position: center center;
    /* Centers the background image */
    color: #fff;
    text-align: center;
    margin: 0;
    padding: 2rem;
}

@media (prefers-color-scheme: light) {
    :root {
        --bg: #f7f8fb;
        --fg: #0f1115;
        --btn: #2563eb;
        --btn-hover: #3b82f6;
        --muted: #475569;
    }
}

.logo {
    width: 120px;
    margin-bottom: 1rem;
}

h1 {
    margin: 0.5rem 0;
}

.link-btn {
    display: block;
    max-width: 300px;
    margin: 1rem auto;
    padding: 1rem;
    background: #4cafef;
    color: #111;
    text-decoration: none;
    border-radius: 8px;
    font-weight: bold;
    transition: background .2s;
}

.link-btn:hover {
    background: #72d0ff;
}

footer {
    margin-top: 2rem;
    font-size: 0.9rem;
    color: #aaa;
}