* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 16px;
    color: #222;
    background: #f5f4f0;
    padding: 2rem 1rem;
}

.container {
    max-width: 720px;
    margin: 0 auto;
}

h1 { font-size: 1.8rem; margin-bottom: 0.25rem; }
h2 { font-size: 1.2rem; margin: 2rem 0 0.75rem; color: #444; }
h3 { font-size: 1rem; margin-bottom: 0.25rem; }

.tagline {
    color: #666;
    margin-bottom: 2rem;
}

/* Header */
.site-header {
    margin-bottom: 2.5rem;
}

/* Intro content */
.intro {
    font-size: 1rem;
    line-height: 1.7;
    color: #333;
    margin-bottom: 2rem;
}

.intro p { margin-bottom: 1rem; }
.intro p:last-child { margin-bottom: 0; }

.intro ul {
    margin: 0.75rem 0 1rem 1.25rem;
}

.intro li {
    margin-bottom: 0.4rem;
}

/* CTA button */
.cta-btn {
    display: inline-block;
    margin-top: 0.5rem;
    padding: 0.75rem 2rem;
    background: #2d6a4f;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
}

.cta-btn:hover { background: #245a42; }

/* Tester note */
.tester-note {
    margin-top: 1.5rem;
    font-size: 0.85rem;
    color: #888;
    font-style: italic;
}

@media (max-width: 600px) {
    .cta-btn { display: block; text-align: center; }
}