:root {
    --color-bg: #fafaf7;
    --color-surface: #ffffff;
    --color-text: #1a1a1a;
    --color-text-muted: #5a5a5a;
    --color-accent: #006e3f;
    --color-border: #e5e5e0;
    --radius: 14px;
    --max-width: 720px;
    --font-body: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 17px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

main {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 48px 24px 96px;
}

header.site {
    border-bottom: 1px solid var(--color-border);
    background: var(--color-surface);
}

header.site .inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 20px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header.site a.brand {
    font-weight: 600;
    font-size: 18px;
    color: var(--color-text);
    text-decoration: none;
    letter-spacing: -0.01em;
}

header.site nav a {
    color: var(--color-text-muted);
    text-decoration: none;
    margin-left: 20px;
    font-size: 15px;
}

header.site nav a:hover { color: var(--color-accent); }

h1 {
    font-size: 36px;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin: 0 0 8px;
    line-height: 1.2;
}

h2 {
    font-size: 22px;
    font-weight: 600;
    letter-spacing: -0.01em;
    margin: 40px 0 12px;
    color: var(--color-text);
}

h3 {
    font-size: 17px;
    font-weight: 600;
    margin: 24px 0 8px;
}

p, ul, ol { margin: 0 0 14px; }
ul, ol { padding-left: 22px; }
li { margin-bottom: 6px; }

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

.meta {
    color: var(--color-text-muted);
    font-size: 14px;
    margin-bottom: 32px;
}

.lead {
    font-size: 18px;
    color: var(--color-text-muted);
    margin: 0 0 32px;
}

.box {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 20px 24px;
    margin: 24px 0;
}

.box.callout {
    background: #f1f8f4;
    border-color: #c6e0d1;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0;
    font-size: 15px;
}

table th, table td {
    text-align: left;
    padding: 10px 12px;
    border-bottom: 1px solid var(--color-border);
    vertical-align: top;
}

table th {
    background: #f4f4f0;
    font-weight: 600;
}

footer.site {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 32px 24px 48px;
    border-top: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-size: 14px;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

footer.site a { color: var(--color-text-muted); margin-right: 16px; }

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin-top: 32px;
}

.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 24px;
    text-decoration: none;
    color: var(--color-text);
    transition: border-color 0.15s ease, transform 0.15s ease;
}

.card:hover {
    border-color: var(--color-accent);
    transform: translateY(-2px);
}

.card h3 {
    margin: 0 0 6px;
    font-size: 18px;
}

.card p {
    color: var(--color-text-muted);
    font-size: 14px;
    margin: 0;
}

@media (max-width: 600px) {
    h1 { font-size: 28px; }
    h2 { font-size: 19px; }
    main { padding: 32px 20px 64px; }
}