:root {
  --green: #2f5d34;
  --green-dark: #1f3f23;
  --amber: #d98a1f;
  --brown: #5a3a1e;
  --cream: #fbf7ef;
  --ink: #26301f;
  --muted: #5d6656;
  --card: #ffffff;
  --line: #e6dfcf;
}
@media (prefers-color-scheme: dark) {
  :root {
    --cream: #151a13;
    --ink: #eef0e6;
    --muted: #a9b2a0;
    --card: #1e251b;
    --line: #333d2f;
    --green: #8fc58f;
    --green-dark: #a9d8a9;
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font: 16px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--cream);
  color: var(--ink);
}
a { color: var(--green); }
a:hover { color: var(--amber); }
.wrap { max-width: 960px; margin: 0 auto; padding: 0 16px; }
header.site {
  border-bottom: 1px solid var(--line);
  background: var(--card);
}
header.site .wrap {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 8px 24px; padding-top: 12px; padding-bottom: 12px;
}
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--ink); font-weight: 700; font-size: 1.25rem; }
.brand img { width: 44px; height: 44px; border-radius: 50%; }
nav.main a { margin-right: 18px; text-decoration: none; color: var(--ink); font-weight: 500; }
nav.main a:hover, nav.main a[aria-current="page"] { color: var(--amber); }
.hero { padding: 48px 0 24px; text-align: center; }
.hero img.hero-img { width: 100%; max-width: 520px; height: auto; background: #fbf7ef; border-radius: 20px; }
.hero h1 { font-size: clamp(2rem, 5vw, 3rem); margin: 8px 0; line-height: 1.15; }
.hero p.lead { font-size: 1.15rem; color: var(--muted); max-width: 640px; margin: 0 auto 24px; }
.btn {
  display: inline-block; padding: 12px 22px; border-radius: 10px; font-weight: 600;
  text-decoration: none; background: var(--green); color: #fff; margin: 4px;
}
.btn:hover { background: var(--green-dark); color: #fff; }
.btn.alt { background: transparent; color: var(--ink); border: 2px solid var(--line); }
.btn.disabled { opacity: .6; pointer-events: none; }
.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); margin: 32px 0; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 20px; }
.card h3 { margin-top: 0; color: var(--green); }
main.page { padding: 32px 0 56px; }
main.page h1 { margin-top: 0; }
main.page h2 { margin-top: 2rem; color: var(--green); }
main.page li { margin-bottom: 6px; }
.note { background: var(--card); border-left: 4px solid var(--amber); padding: 12px 16px; border-radius: 6px; }
footer.site { border-top: 1px solid var(--line); background: var(--card); color: var(--muted); font-size: .9rem; }
footer.site .wrap { padding-top: 20px; padding-bottom: 20px; display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; }
footer.site a { color: var(--muted); margin-right: 16px; }