:root {
  color-scheme: dark;
  --background: #06100d;
  --surface: #101c19;
  --surface-soft: #172620;
  --text: #f5f7f3;
  --muted: #adb8b2;
  --accent: #9be13b;
  --line: #293a34;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background:
    radial-gradient(circle at 50% -10%, rgba(68, 139, 74, .28), transparent 34rem),
    var(--background);
  color: var(--text);
  line-height: 1.65;
}

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

.wrap {
  width: min(760px, calc(100% - 36px));
  margin: 0 auto;
}

header {
  padding: 46px 0 28px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  text-decoration: none;
  font-size: 1.45rem;
  font-weight: 800;
}

.mark {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  border-radius: 13px;
  background: linear-gradient(145deg, #254e31, #143221);
  color: var(--accent);
  font-size: 25px;
}

main { padding: 42px 0 64px; }

h1 {
  margin: 0 0 12px;
  font-size: clamp(2rem, 7vw, 3.25rem);
  line-height: 1.1;
}

h2 {
  margin: 34px 0 8px;
  font-size: 1.22rem;
}

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

.lead {
  margin: 0 0 28px;
  font-size: 1.12rem;
}

.card {
  margin: 18px 0;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(16, 28, 25, .92);
}

.card h2 { margin-top: 0; }

.button {
  display: inline-block;
  margin: 8px 8px 0 0;
  padding: 12px 18px;
  border-radius: 999px;
  background: var(--accent);
  color: #071006;
  font-weight: 750;
  text-decoration: none;
}

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

.meta { font-size: .92rem; }

footer {
  padding: 24px 0 40px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .9rem;
}

ul { padding-left: 1.25rem; }

@media (max-width: 520px) {
  header { padding-top: 30px; }
  main { padding-top: 30px; }
  .card { padding: 18px; }
}