:root {
    color-scheme: light dark;
    --bg: #f8fafc;
    --card: #ffffff;
    --text: #0f172a;
    --muted: #475569;
    --accent: #2563eb;
    --border: #e2e8f0;
}
@media (prefers-color-scheme: dark) {
    :root {
        --bg: #0b1120;
        --card: #101828;
        --text: #e2e8f0;
        --muted: #94a3b8;
        --accent: #60a5fa;
        --border: #1e293b;
    }
}
* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}
main { max-width: 860px; margin: 0 auto; padding: 3rem 1.25rem 4rem; }
header.site { display: flex; align-items: center; gap: 0.6rem; padding: 1rem 1.25rem; border-bottom: 1px solid var(--border); }
header.site a { color: var(--text); text-decoration: none; font-weight: 600; }
header.site nav { margin-left: auto; display: flex; gap: 1rem; }
header.site nav a { color: var(--muted); font-weight: 500; font-size: 0.95rem; }
h1 { font-size: 1.9rem; margin: 0 0 0.5rem; }
p.lead { color: var(--muted); margin: 0 0 2rem; }
h2 { font-size: 1.15rem; margin: 1.75rem 0 0.4rem; }
p { color: var(--muted); margin: 0.25rem 0; }
a { color: var(--accent); }
.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 1rem; margin: 2rem 0; }
.plan { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 1.4rem; display: flex; flex-direction: column; gap: 0.5rem; }
.plan .badge { align-self: flex-start; background: var(--accent); color: #fff; border-radius: 999px; font-size: 0.75rem; padding: 0.1rem 0.6rem; }
.plan .price { font-size: 1.8rem; font-weight: 700; }
.plan .period { color: var(--muted); font-size: 0.9rem; }
.plan p { flex: 1; }
.plan a.cta { display: block; text-align: center; background: var(--accent); color: #fff; border-radius: 8px; padding: 0.6rem; text-decoration: none; font-weight: 600; }
ul.features { padding-left: 1.2rem; color: var(--muted); }
.hint { background: var(--card); border: 1px solid var(--border); border-left: 3px solid var(--accent); border-radius: 8px; padding: 0.9rem 1.1rem; margin: 1.5rem 0; font-size: 0.95rem; }
ol.steps { color: var(--muted); padding-left: 1.3rem; }
footer.site { border-top: 1px solid var(--border); padding: 1.5rem 1.25rem; text-align: center; color: var(--muted); font-size: 0.85rem; }
footer.site a { color: var(--muted); margin: 0 0.5rem; }