:root {
  color-scheme: dark;
  --background: #08110f;
  --surface: #101c19;
  --surface-soft: #152622;
  --text: #f3f8f6;
  --muted: #a9bcb6;
  --accent: #43d69e;
  --accent-strong: #20b47d;
  --border: #284139;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 85% 10%, rgba(67, 214, 158, 0.12), transparent 32rem),
    var(--background);
  color: var(--text);
  line-height: 1.65;
}

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

.shell {
  width: min(920px, calc(100% - 32px));
  margin: 0 auto;
}

header {
  padding: 26px 0;
  border-bottom: 1px solid var(--border);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  font-weight: 750;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 12px;
  background: var(--accent);
  color: #04110c;
  font-weight: 900;
}

main {
  padding: 72px 0 84px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2 {
  line-height: 1.18;
}

h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(2.2rem, 6vw, 4.6rem);
  letter-spacing: -0.045em;
}

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

.lead {
  max-width: 700px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 42px;
}

.card,
.document {
  border: 1px solid var(--border);
  border-radius: 20px;
  background: rgba(16, 28, 25, 0.88);
  box-shadow: 0 18px 70px rgba(0, 0, 0, 0.22);
}

.card {
  padding: 24px;
}

.card h2 {
  margin: 0 0 8px;
}

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

.document {
  max-width: 780px;
  padding: clamp(24px, 5vw, 48px);
}

.document h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
}

.document strong {
  color: var(--text);
}

.action {
  display: inline-flex;
  margin-top: 32px;
  padding: 12px 18px;
  border-radius: 999px;
  background: var(--accent);
  color: #04110c;
  font-weight: 800;
  text-decoration: none;
}

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

.actions .action {
  margin-top: 32px;
}

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

footer {
  padding: 28px 0 38px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.92rem;
}

footer .shell {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px 24px;
}

@media (max-width: 680px) {
  main {
    padding-top: 48px;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }
}