/* Leaf website: plain CSS, mobile first, light and dark. No build step. */
:root {
  --bg: #f6faf6;
  --surface: #ffffff;
  --text: #17261b;
  --muted: #55665a;
  --green: #1f7a3c;
  --green-dark: #0f5a2a;
  --on-green: #ffffff;
  --line: #d9e6dc;
  --radius: 16px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1510;
    --surface: #152019;
    --text: #e6f0e8;
    --muted: #9fb3a5;
    --green: #5cc174;
    --green-dark: #8fdca3;
    --on-green: #06210f;
    --line: #26372b;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

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

.wrap { width: min(100% - 32px, 760px); margin-inline: auto; }

header.site { padding: 20px 0 8px; }
header.site .brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--text); }
header.site img { width: 44px; height: 44px; border-radius: 12px; }
header.site strong { font-size: 1.25rem; }

h1 { font-size: clamp(1.9rem, 6vw, 2.8rem); line-height: 1.15; margin: 24px 0 12px; }
h2 { font-size: 1.35rem; margin: 40px 0 12px; }
h3 { font-size: 1.05rem; margin: 20px 0 4px; }
p { margin: 0 0 12px; }
.lead { font-size: 1.15rem; color: var(--muted); }

.hero img { width: 100%; height: auto; border-radius: var(--radius); display: block; margin-top: 20px; }

.button {
  display: inline-block;
  background: var(--green);
  color: var(--on-green);
  text-decoration: none;
  font-weight: 650;
  padding: 14px 24px;
  border-radius: 999px;
  min-height: 48px;
}
.button:hover { filter: brightness(1.08); }

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
}

.why { display: grid; gap: 8px; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); padding: 0; list-style: none; margin: 0; }
.why li { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; font-weight: 600; }

ul.features { padding-left: 20px; }
ul.features li { margin-bottom: 8px; }

.meta { color: var(--muted); font-size: 0.92rem; margin-top: 12px; word-break: break-all; }
code { background: color-mix(in srgb, var(--green) 12%, transparent); padding: 1px 6px; border-radius: 6px; font-size: 0.92em; }

ol.steps { padding-left: 22px; }
ol.steps li { margin-bottom: 12px; }

footer { margin-top: 56px; padding: 24px 0 40px; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.92rem; }
footer a { color: var(--muted); }

.todo { background: #fff3b0; color: #4a3b00; padding: 0 4px; border-radius: 4px; }