:root {
  --pico-font-size: 18px;
}

header nav {
  padding-block: 1rem;
  border-bottom: 1px solid var(--pico-muted-border-color);
}

.hero {
  text-align: center;
  padding-block: 5rem 4rem;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.25rem;
  color: var(--pico-muted-color);
  max-width: 540px;
  margin-inline: auto;
  margin-bottom: 2rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
  padding-block: 3rem;
}

.feature-card {
  padding: 1.5rem;
  border: 1px solid var(--pico-muted-border-color);
  border-radius: var(--pico-border-radius);
}

.feature-card h3 {
  margin-bottom: 0.5rem;
}

footer {
  border-top: 1px solid var(--pico-muted-border-color);
  padding-block: 2rem;
  margin-top: 4rem;
  color: var(--pico-muted-color);
}