:root {
  --primary: #1c5d3a;
  --primary-soft: #e4efe7;
  --accent: #e2553a;
  --bg: #f4f5f2;
  --surface: #ffffff;
  --ink: #14201a;
  --muted: #66736b;
  --line: #e2e5e0;
}
@media (prefers-color-scheme: dark) {
  :root {
    --primary: #6fbf8e;
    --primary-soft: #1d2f25;
    --bg: #0f1612;
    --surface: #17211b;
    --ink: #e8efe9;
    --muted: #9aa8a0;
    --line: #26332b;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
a { color: var(--primary); }
.wrap { max-width: 760px; margin: 0 auto; padding: 0 16px; }

header.site {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; padding: 18px 0;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); font-weight: 700; font-size: 20px; }
.brand img { width: 36px; height: 36px; border-radius: 9px; }
nav a { margin-left: 16px; text-decoration: none; color: var(--muted); font-size: 15px; }
nav a:hover, nav a[aria-current] { color: var(--ink); }

.hero { text-align: center; padding: 40px 0 24px; }
.hero img { width: 112px; height: 112px; border-radius: 26px; box-shadow: 0 8px 24px rgba(0,0,0,.15); }
.hero h1 { font-size: clamp(30px, 7vw, 44px); line-height: 1.15; margin: 20px 0 10px; }
.hero p { color: var(--muted); font-size: 19px; margin: 0 auto; max-width: 560px; }
.badge {
  display: inline-block; margin-top: 22px; padding: 10px 18px; border-radius: 999px;
  background: var(--primary); color: #fff; font-weight: 600; font-size: 15px;
}
@media (prefers-color-scheme: dark) { .badge { color: #0f1612; } }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; margin: 28px 0; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 18px; }
.card h3 { margin: 0 0 6px; font-size: 17px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }

section { margin: 36px 0; }
h2 { font-size: 24px; margin: 0 0 12px; }
ol.steps { padding-left: 22px; }
ol.steps li { margin: 6px 0; }

.doc { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 8px 22px 22px; margin: 16px 0 32px; }
.doc h1 { font-size: 30px; margin: 18px 0 4px; }
.doc h2 { font-size: 20px; margin: 26px 0 8px; }
.doc .updated { color: var(--muted); font-size: 14px; margin: 0 0 8px; }
.doc ul { padding-left: 22px; }
details { border-top: 1px solid var(--line); padding: 12px 0; }
details:first-of-type { border-top: 0; }
summary { cursor: pointer; font-weight: 600; }
details p { color: var(--muted); margin: 8px 0 0; }
.contact { background: var(--primary-soft); border-radius: 12px; padding: 14px 16px; margin: 16px 0; }

footer.site { border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; padding: 20px 0 32px; display: flex; flex-wrap: wrap; gap: 8px 16px; justify-content: space-between; }
footer.site a { color: var(--muted); }