:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #07111f;
  color: #f8fafc;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  padding: 2rem;
  background:
    radial-gradient(circle at 18% 18%, rgba(56, 189, 248, 0.24), transparent 24rem),
    radial-gradient(circle at 82% 10%, rgba(34, 197, 94, 0.18), transparent 22rem),
    linear-gradient(135deg, #020617 0%, #0f172a 55%, #111827 100%);
}

.shell {
  width: min(100%, 72rem);
  margin: 0 auto;
  display: grid;
  gap: 1.5rem;
}

.hero,
.checks article {
  border: 1px solid rgba(148, 163, 184, 0.22);
  background: rgba(15, 23, 42, 0.78);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(16px);
}

.hero {
  padding: clamp(2rem, 7vw, 5rem);
  border-radius: 2rem;
}

.eyebrow {
  margin: 0 0 0.85rem;
  color: #22c55e;
  font-size: 0.875rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  max-width: 58rem;
  margin-bottom: 1.25rem;
  font-size: clamp(2.75rem, 8vw, 6rem);
  line-height: 0.92;
  letter-spacing: -0.06em;
}

.lede {
  max-width: 46rem;
  color: #cbd5e1;
  font-size: 1.18rem;
  line-height: 1.75;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 1.2rem;
  border-radius: 999px;
  font-weight: 850;
  text-decoration: none;
}

.primary {
  background: #22c55e;
  color: #052e16;
}

.secondary {
  border: 1px solid rgba(148, 163, 184, 0.32);
  color: #e2e8f0;
}

.checks {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.checks article {
  min-height: 13rem;
  padding: 1.35rem;
  border-radius: 1.25rem;
}

.checks span {
  color: #38bdf8;
  font-weight: 900;
}

.checks h2 {
  margin: 1.5rem 0 0.55rem;
  font-size: 1.1rem;
}

.checks p {
  color: #cbd5e1;
  line-height: 1.6;
}

@media (max-width: 820px) {
  body {
    padding: 1rem;
  }

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