:root {
  color-scheme: light dark;
  --background: #f4f6f1;
  --surface: #ffffff;
  --text: #171a18;
  --muted: #606860;
  --accent: #557d13;
  --border: rgba(23, 26, 24, 0.09);
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: #090a0b;
    --surface: #161817;
    --text: #f2f5f0;
    --muted: #a2aaa1;
    --accent: #baff40;
    --border: rgba(255, 255, 255, 0.08);
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  line-height: 1.65;
}

main {
  width: min(820px, calc(100% - 36px));
  margin: 0 auto;
  padding: 64px 0 80px;
}

nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 54px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  font-weight: 850;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 9px;
  background: #111;
  color: #baff40;
  font-weight: 900;
}

.nav-links { display: flex; gap: 18px; }

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

.nav-links a {
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 650;
  text-decoration: none;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  max-width: 720px;
  font-size: clamp(2.7rem, 8vw, 5rem);
  line-height: 0.98;
  letter-spacing: -0.055em;
}

.lead {
  max-width: 680px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 1.16rem;
}

.meta {
  margin-top: 20px;
  color: var(--muted);
  font-size: 0.88rem;
}

.content {
  display: grid;
  gap: 16px;
  margin-top: 44px;
}

section {
  padding: 26px 28px;
  border: 1px solid var(--border);
  border-radius: 22px;
  background: var(--surface);
}

h2 {
  margin: 0 0 10px;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}

p, ul { margin-top: 8px; margin-bottom: 0; }
ul { padding-left: 20px; }
li + li { margin-top: 6px; }

.callout {
  border-color: color-mix(in srgb, var(--accent) 35%, transparent);
}

.button {
  display: inline-block;
  margin-top: 18px;
  padding: 11px 16px;
  border-radius: 12px;
  background: var(--accent);
  color: #10130d;
  font-weight: 800;
  text-decoration: none;
}

footer {
  margin-top: 36px;
  color: var(--muted);
  font-size: 0.84rem;
  text-align: center;
}

@media (max-width: 560px) {
  main { padding-top: 30px; }
  nav { align-items: flex-start; }
  .nav-links { flex-direction: column; gap: 5px; text-align: right; }
  section { padding: 22px; }
}