:root {
    --green: #0a7d5a;
    --green-soft: #e6f3ee;
    --ink: #17201c;
    --muted: #5d6a64;
    --line: #e2e8e5;
    --bg: #ffffff;
    --card: #f6f8f7;
}

@media (prefers-color-scheme: dark) {
    :root {
        --green: #30c48d;
        --green-soft: #13261f;
        --ink: #eef3f0;
        --muted: #a3b0aa;
        --line: #26302c;
        --bg: #0f1412;
        --card: #161d1a;
    }
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font: 17px/1.6 -apple-system, BlinkMacSystemFont, "SF Pro Text", system-ui, sans-serif;
    -webkit-text-size-adjust: 100%;
}

a { color: var(--green); }

.wrap { max-width: 720px; margin: 0 auto; padding: 0 20px; }

.top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 0;
}
.brand { display: flex; align-items: center; gap: 10px; color: inherit; text-decoration: none; font-weight: 700; font-size: 19px; }
.brand img { width: 32px; height: 32px; }
.top nav { display: flex; gap: 18px; font-size: 15px; }
.top nav a { color: var(--muted); text-decoration: none; }
.top nav a:hover, .top nav a[aria-current="page"] { color: var(--ink); }

.hero { text-align: center; padding: 56px 0 40px; }
.hero img { width: 128px; height: 128px; }
.hero h1 { margin: 18px 0 6px; font-size: clamp(34px, 7vw, 48px); line-height: 1.1; letter-spacing: -0.02em; }
.hero p.lede { margin: 0 auto; max-width: 520px; font-size: 20px; color: var(--muted); }
.badge {
    display: inline-block;
    margin-top: 26px;
    padding: 10px 18px;
    border-radius: 999px;
    background: var(--green-soft);
    color: var(--green);
    font-weight: 600;
    font-size: 15px;
}

.features { display: grid; gap: 14px; padding: 8px 0 24px; }
@media (min-width: 640px) { .features { grid-template-columns: repeat(3, 1fr); } }
.feature { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 18px; }
.feature h2 { margin: 0 0 6px; font-size: 17px; }
.feature p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.5; }

article { padding: 24px 0 40px; }
article h1 { font-size: 34px; line-height: 1.15; letter-spacing: -0.01em; margin: 10px 0 4px; }
article h2 { font-size: 21px; margin: 34px 0 6px; }
article .meta { color: var(--muted); margin: 0 0 20px; font-size: 15px; }
article li { margin: 4px 0; }

.callout {
    background: var(--green-soft);
    border-radius: 14px;
    padding: 16px 18px;
    margin: 18px 0;
}
.callout p { margin: 0; }

details { border-bottom: 1px solid var(--line); padding: 12px 0; }
details summary { cursor: pointer; font-weight: 600; }
details p, details ol, details ul { color: var(--muted); }

.cards { display: grid; gap: 10px; margin: 14px 0; }
.cards a {
    display: block;
    padding: 14px 16px;
    border-radius: 14px;
    border: 1px solid var(--line);
    background: var(--card);
    color: inherit;
    text-decoration: none;
    font-weight: 600;
}
.cards a span { display: block; font-weight: 400; color: var(--muted); font-size: 15px; }

table.prices { width: 100%; border-collapse: collapse; margin: 12px 0; }
table.prices td { padding: 10px 0; border-bottom: 1px solid var(--line); }
table.prices td:last-child { text-align: right; font-weight: 700; white-space: nowrap; }

footer {
    border-top: 1px solid var(--line);
    padding: 22px 0 40px;
    color: var(--muted);
    font-size: 14px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px 18px;
}
footer a { color: var(--muted); }