:root {
    --bg: white;
    --text: black;
    --text-secondary: #777;
    --surface-alt: #f4f4f4;
    --link: #0070f3;
    --shadow: rgba(0, 0, 0, 0.1);
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #1a1a1a;
        --text: #e0e0e0;
        --text-secondary: #999;
        --surface-alt: #2a2a2a;
        --link: #4db8ff;
        --shadow: rgba(0, 0, 0, 0.3);
    }
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.55em;
    font-size: 1.15em;
    margin: 0;
    background-color: var(--bg);
    color: var(--text);
}

main {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 10px 60px;
}

h1 {
    font-weight: 550;
    font-size: 1.6em;
}

a {
    color: var(--link);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.tpusa-hero {
    display: block;
    width: 100%;
    border-radius: 8px;
    margin-bottom: 40px;
}

.tpusa-photo {
    float: right;
    width: 250px;
    height: auto;
    margin: 0 0 12px 20px;
    border-radius: 8px;
    box-shadow: 0 4px 6px var(--shadow);
}

@media (max-width: 600px) {
    .tpusa-photo {
        width: 120px;
        margin: 0 0 8px 12px;
    }
}

.cta-button {
    display: inline-block;
    padding: 10px 22px;
    border-radius: 999px;
    background: #cc4a1a;
    color: white;
    font-weight: bold;
    text-decoration: none;
}

.cta-button:visited {
    color: white;
}

.cta-button:hover {
    color: white;
    text-decoration: underline;
}

.scripture {
    margin: 50px 0 28px 0;
    padding: 14px 18px;
    background: var(--surface-alt);
    border-left: 3px solid #cc4a1a;
    border-radius: 6px;
}

.scripture-text {
    margin: 0 0 6px 0;
    font-family: Georgia, "Times New Roman", serif;
    font-style: italic;
    font-size: 1.2em;
    line-height: 1.5;
}

.scripture-ref {
    margin: 0;
    font-size: 0.8em;
    color: var(--text-secondary);
    letter-spacing: 0.04em;
}
