.container {
  width: min(100% - 2rem, var(--page-shell));
  margin-inline: auto;
}

.section {
  padding-block: 4.5rem;
}

.section--compact {
  padding-block: 2.5rem;
}

.section--tight {
  padding-block: 1.5rem;
}

.section__header {
  display: grid;
  gap: var(--space-lg);
  margin-bottom: 2.25rem;
  max-width: 46rem;
}

.section__header--features {
  padding-inline-start: 1.6rem;
}

.section__header--cards {
  padding-inline-start: 1.35rem;
}

.grid {
  display: grid;
  gap: 1.5rem;
}

.grid--cards {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid--features {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid--media {
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
}

.stack {
  display: grid;
  gap: var(--space-lg);
}

main {
  width: min(100% - 2rem, var(--page-shell));
  margin: 0 auto 0;
  background: #ffffff;
  box-shadow: var(--shadow-md);
}

.boxed-shell {
  background: #ffffff;
}

@media (max-width: 980px) {
  .section {
    padding-block: 3rem;
  }

  .grid--cards,
  .grid--features,
  .grid--media {
    grid-template-columns: 1fr;
  }
}