:root {
  --ink: #1c2420;
  --muted: #5d6b63;
  --leaf: #2f6b46;
  --leaf-dark: #1f4a30;
  --wash: #f4f7f2;
  --line: #dde5dc;
  --max: 44rem;
}

* { box-sizing: border-box; }

html { font-size: 17px; }

body {
  margin: 0;
  color: var(--ink);
  background: #fff;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.65;
}

a { color: var(--leaf-dark); }
a:hover { color: var(--leaf); }

.site-header {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  align-items: baseline;
  justify-content: space-between;
  max-width: 56rem;
  margin: 0 auto;
  padding: 1.5rem 1.25rem;
  border-bottom: 1px solid var(--line);
}

.brand {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-decoration: none;
}

.site-header nav { display: flex; flex-wrap: wrap; gap: 1.25rem; }
.site-header nav a { color: var(--muted); text-decoration: none; font-size: 0.94rem; }
.site-header nav a:hover, .site-header nav a.active { color: var(--leaf-dark); }

main { max-width: var(--max); margin: 0 auto; padding: 2.5rem 1.25rem 3rem; }

h1 { font-size: 2rem; line-height: 1.2; letter-spacing: -0.02em; margin: 0 0 0.75rem; }
h2 { font-size: 1.3rem; margin: 2.25rem 0 0.6rem; letter-spacing: -0.01em; }
h3 { font-size: 1.05rem; margin: 1.75rem 0 0.4rem; }

p, ul, ol { margin: 0 0 1rem; }
li { margin-bottom: 0.35rem; }

.lede { font-size: 1.1rem; color: var(--muted); margin-bottom: 1.5rem; }

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0 1.5rem;
  font-size: 0.94rem;
}
th, td { text-align: left; padding: 0.55rem 0.6rem; border-bottom: 1px solid var(--line); vertical-align: top; overflow-wrap: break-word; }
th { color: var(--muted); font-weight: 600; }

@media (max-width: 34rem) {
  th, td { padding: 0.45rem 0.4rem; font-size: 0.9rem; }
}

.card {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 1.1rem 1.2rem;
  margin: 1rem 0;
  background: var(--wash);
}
.card h3 { margin-top: 0; }
.card p:last-child { margin-bottom: 0; }

.button {
  display: inline-block;
  background: var(--leaf);
  color: #fff;
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 600;
  padding: 0.5rem 0.9rem;
  border-radius: 6px;
}
.button:hover { background: var(--leaf-dark); color: #fff; }

.buy-link {
  display: inline-block;
  border-bottom: 1px solid currentColor;
  text-decoration: none;
  font-weight: 600;
}

.grid { display: grid; gap: 0.75rem; margin: 1.5rem 0; }
@media (min-width: 34rem) { .grid { grid-template-columns: 1fr 1fr; } }

.grid a {
  display: block;
  padding: 0.85rem 1rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  text-decoration: none;
  color: var(--ink);
}
.grid a:hover { border-color: var(--leaf); }
.grid a span { display: block; color: var(--muted); font-size: 0.86rem; }

.note {
  border-left: 3px solid var(--leaf);
  padding: 0.1rem 0 0.1rem 0.9rem;
  color: var(--muted);
  font-size: 0.95rem;
  margin: 1.25rem 0;
}

footer {
  max-width: 56rem;
  margin: 0 auto;
  padding: 1.75rem 1.25rem 3rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.86rem;
}
footer p { margin: 0 0 0.5rem; }