:root {
  color-scheme: light dark;
  --background: #07130d;
  --surface: #102219;
  --surface-soft: #173025;
  --text: #f2f8f4;
  --muted: #b5c8bd;
  --accent: #49dc91;
  --border: #29483a;
  --link: #72eba9;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  color: var(--text);
  background:
    radial-gradient(circle at 20% 0%, rgba(73, 220, 145, 0.13), transparent 34rem),
    var(--background);
}

main {
  width: min(760px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0 64px;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-bottom: 24px;
  color: var(--muted);
}

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

nav a {
  color: var(--muted);
  text-decoration: none;
}

nav a:hover, nav a:focus-visible { color: var(--text); }

article {
  padding: clamp(24px, 5vw, 42px);
  border: 1px solid var(--border);
  border-radius: 18px;
  background: rgba(16, 34, 25, 0.94);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.25);
}

h1, h2 {
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 {
  margin: 0 0 8px;
  font-size: clamp(2rem, 6vw, 3.2rem);
}

h2 {
  margin: 34px 0 10px;
  font-size: 1.25rem;
}

p, ul { margin: 0 0 16px; }
ul { padding-left: 22px; }
li { margin: 7px 0; }

.eyebrow {
  margin-bottom: 10px;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

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

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.card {
  display: block;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 14px;
  color: var(--text);
  background: var(--surface-soft);
  text-decoration: none;
}

.card strong { display: block; margin-bottom: 4px; }
.card span { color: var(--muted); }

.button {
  display: inline-block;
  margin: 6px 0 18px;
  padding: 11px 16px;
  border-radius: 999px;
  color: #052012;
  background: var(--accent);
  font-weight: 700;
  text-decoration: none;
}

footer {
  padding: 22px 4px 0;
  color: var(--muted);
  font-size: 0.9rem;
}

@media (prefers-color-scheme: light) {
  :root {
    --background: #f4faf6;
    --surface: #ffffff;
    --surface-soft: #eef8f1;
    --text: #102219;
    --muted: #53685d;
    --accent: #087a43;
    --border: #d4e5da;
    --link: #087a43;
  }

  body { background: radial-gradient(circle at 20% 0%, #dff5e7, transparent 34rem), var(--background); }
  article { background: rgba(255, 255, 255, 0.96); box-shadow: 0 24px 70px rgba(28, 74, 47, 0.08); }
  .button { color: #ffffff; }
}