:root {
  color-scheme: light;
  --bg: #f5f7f4;
  --surface: #ffffff;
  --surface-alt: #eef4ec;
  --text: #142013;
  --muted: #536252;
  --line: #d7e1d5;
  --accent: #2e6a3f;
  --accent-strong: #1f4a2c;
  --max-width: 860px;
  --radius: 20px;
  --shadow: 0 14px 34px rgba(20, 32, 19, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  font-family:
    ui-sans-serif,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  line-height: 1.6;
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(107, 177, 110, 0.18), transparent 28%),
    linear-gradient(180deg, #f8fbf8 0%, var(--bg) 100%);
}

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

.shell {
  width: min(100% - 32px, var(--max-width));
  margin: 0 auto;
  padding: 32px 0 56px;
}

.hero,
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero {
  padding: 28px;
  margin-bottom: 18px;
}

.eyebrow {
  display: inline-flex;
  margin-bottom: 10px;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--surface-alt);
  color: var(--accent-strong);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0 0 12px;
  line-height: 1.18;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.1rem);
}

h2 {
  font-size: 1.35rem;
  margin-top: 28px;
}

h3 {
  font-size: 1rem;
  margin-top: 20px;
}

p,
ul,
ol {
  margin: 0 0 14px;
}

.lead {
  max-width: 62ch;
  color: var(--muted);
  font-size: 1.05rem;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.nav a {
  display: inline-flex;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface-alt);
  text-decoration: none;
  font-weight: 600;
}

.grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin-top: 18px;
}

.card {
  padding: 22px;
}

.muted {
  color: var(--muted);
}

.list-tight li + li {
  margin-top: 8px;
}

.meta {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.94rem;
}

.note {
  margin-top: 18px;
  padding: 14px 16px;
  border-left: 4px solid var(--accent);
  background: var(--surface-alt);
  border-radius: 12px;
}

code {
  padding: 2px 6px;
  border-radius: 8px;
  background: #edf3ec;
  font-size: 0.94em;
}

footer {
  margin-top: 18px;
  color: var(--muted);
  font-size: 0.92rem;
}

@media (max-width: 640px) {
  .shell {
    width: min(100% - 20px, var(--max-width));
    padding-top: 20px;
  }

  .hero,
  .card {
    border-radius: 18px;
    padding: 18px;
  }
}