:root {
    --bg-color-light: #ffffff;
    --text-color-light: #000000;
    --secondary-text-color-light: #555;
    --footer-text-color-light: #888;
    --button-bg-color-light: #000000;
    --button-text-color-light: #ffffff;
    --button-hover-bg-color-light: #333;
    --link-color-light: #000000;

    --bg-color-dark: #121212;
    --text-color-dark: #ffffff;
    --secondary-text-color-dark: #aaa;
    --footer-text-color-dark: #777;
    --button-bg-color-dark: #ffffff;
    --button-text-color-dark: #000000;
    --button-hover-bg-color-dark: #ddd;
    --link-color-dark: #ffffff;
}

body {
    font-family: 'Inter', sans-serif;
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    text-align: center;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.language-selector {
    position: absolute;
    top: 1rem;
    right: 1rem;
}

.lang-link {
    text-decoration: none;
    font-weight: bold;
}

.container {
    max-width: 600px;
    padding: 2rem;
}

.logo {
    width: 180px;
    margin-bottom: 2rem;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

p {
    font-size: 1.125rem;
    line-height: 1.6;
    margin-bottom: 2rem;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    text-decoration: none;
    font-weight: 700;
    border-radius: 5px;
    transition: background-color 0.3s ease, color 0.3s ease;
}

footer {
    margin-top: 4rem;
    font-size: 0.9rem;
}

/* Light theme (default) */
body {
    background-color: var(--bg-color-light);
    color: var(--text-color-light);
}

.lang-link {
    color: var(--link-color-light);
}

p {
    color: var(--secondary-text-color-light);
}

.cta-button {
    background-color: var(--button-bg-color-light);
    color: var(--button-text-color-light);
}

.cta-button:hover {
    background-color: var(--button-hover-bg-color-light);
}

footer {
    color: var(--footer-text-color-light);
}


/* Dark theme */
@media (prefers-color-scheme: dark) {
    body {
        background-color: var(--bg-color-dark);
        color: var(--text-color-dark);
    }

    .lang-link {
        color: var(--link-color-dark);
    }

    p {
        color: var(--secondary-text-color-dark);
    }

    .cta-button {
        background-color: var(--button-bg-color-dark);
        color: var(--button-text-color-dark);
    }

    .cta-button:hover {
        background-color: var(--button-hover-bg-color-dark);
    }

    footer {
        color: var(--footer-text-color-dark);
    }
}