:root {
  color-scheme: light dark;
  --background: #f7f7f4;
  --surface: #ffffff;
  --text: #1f2521;
  --muted: #667069;
  --accent: #2f6f4e;
  --border: #dfe4df;
  --shadow: 0 18px 50px rgb(20 40 28 / 8%);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--background);
}

body {
  margin: 0;
  color: var(--text);
  background: var(--background);
  line-height: 1.6;
}

main {
  width: min(720px, calc(100% - 32px));
  margin: 0 auto;
  padding: 72px 0 48px;
}

.card {
  padding: clamp(24px, 5vw, 48px);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2 {
  line-height: 1.15;
  letter-spacing: -0.025em;
}

h1 {
  margin: 0 0 16px;
  font-size: clamp(2.2rem, 8vw, 4rem);
}

h2 {
  margin-top: 32px;
  font-size: 1.25rem;
}

p,
li {
  color: var(--muted);
}

.lede {
  max-width: 600px;
  margin: 0;
  font-size: 1.12rem;
}

a {
  color: var(--accent);
  text-underline-offset: 3px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-block;
  padding: 10px 16px;
  color: white;
  background: var(--accent);
  border-radius: 999px;
  font-weight: 650;
  text-decoration: none;
}

.button.secondary {
  color: var(--text);
  background: transparent;
  border: 1px solid var(--border);
}

nav {
  margin-bottom: 24px;
}

nav a {
  font-weight: 650;
  text-decoration: none;
}

footer {
  margin-top: 24px;
  text-align: center;
  font-size: 0.9rem;
}

ul {
  padding-left: 1.25rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: #121613;
    --surface: #1b211d;
    --text: #f1f4f1;
    --muted: #b7c0b9;
    --accent: #8bd2a8;
    --border: #303a33;
    --shadow: none;
  }

  .button {
    color: #102016;
  }
}