:root {
  --primary: #47915b;
  --secondary: #1d1d1d;
  --accent: #bfe8ff;
  --surface: #ffffff;
  --page: #f2f2f2;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  color: var(--secondary);
  background: radial-gradient(80rem 60rem at 20% 10%, var(--accent), transparent 60%),
    radial-gradient(70rem 50rem at 90% 0%, rgba(71, 145, 91, 0.25), transparent 55%), var(--page);
}

.page {
  min-height: 100%;
  display: grid;
  place-items: center;
  padding: 2.5rem 1rem;
  box-sizing: border-box;
}

.card {
  width: min(48rem, 100%);
  background: var(--surface);
  border: 1px solid rgba(29, 29, 29, 0.12);
  border-radius: 1rem;
  padding: 2rem 1.5rem;
  box-shadow: 0 1rem 3rem rgba(29, 29, 29, 0.12);
  text-align: center;
}

.logo {
  width: min(13rem, 60vw);
  height: auto;
  display: block;
  margin: 0 auto 1rem;
}

h1 {
  margin: 0.25rem 0 0.75rem;
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  letter-spacing: -0.02em;
}

.tagline {
  margin: 0 0 1rem;
  font-size: clamp(1.5rem, 2.6vw, 2.05rem);
  font-weight: 600;
  color: var(--primary);
}

.summary {
  margin: 0 auto 1.5rem;
  max-width: 44rem;
  line-height: 1.6;
  text-align: left;
}

.summary p {
  margin: 0 0 0.9rem;
}

.summary ul {
  margin: 0 0 1.25rem;
  padding-left: 1.1rem;
}

.summary li {
  margin: 0.35rem 0;
}

.cta {
  display: inline-block;
  padding: 0.75rem 1rem;
  border-radius: 0.75rem;
  background: var(--primary);
  color: #ffffff;
  text-decoration: none;
  font-weight: 700;
}

.cta:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

.footer {
  margin-top: 1rem;
  color: rgba(29, 29, 29, 0.7);
  font-size: 0.95rem;
}