.container {
  width: min(100% - (2 * var(--page-gutter)), var(--content-max));
  margin-inline: auto;
}

.container--narrow {
  max-width: var(--content-narrow);
}

.site-header {
  position: relative;
  z-index: 10;
  border-bottom: 1px solid var(--color-border);
  background: rgb(255 255 255 / 0.96);
}

.header-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding-block: var(--space-4);
}

.brand {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-ink);
  font-weight: 800;
  line-height: 1.2;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 2.4rem;
  height: 2.4rem;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 0.8rem 0.8rem 0.8rem 0.2rem;
  background: var(--color-primary);
  color: white;
  font-size: 1.15rem;
}

.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  list-style: none;
}

.site-nav a {
  display: block;
  padding: 0.55rem 0.78rem;
  border-radius: var(--radius-pill);
  color: var(--color-ink-soft);
  font-size: var(--font-size-sm);
  font-weight: 700;
  text-decoration: none;
}

.site-nav a:hover {
  background: var(--color-surface-soft);
  color: var(--color-ink);
}

.site-nav a[aria-current="page"] {
  background: var(--color-primary-soft);
  color: var(--color-primary-dark);
  box-shadow: inset 0 0 0 1px rgb(23 107 114 / 0.12);
}

.section {
  padding-block: var(--space-8);
}

.section--soft {
  background: var(--color-surface-soft);
}

.section--warm {
  background: var(--color-surface-warm);
}

.section-heading {
  display: grid;
  max-width: 42rem;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.stack {
  display: grid;
  gap: var(--space-5);
}

.stack--lg {
  gap: var(--space-7);
}

.grid {
  display: grid;
  gap: var(--space-5);
}

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

.site-footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-ink);
  color: white;
}

.footer-inner {
  display: grid;
  gap: var(--space-5);
  padding-block: var(--space-6);
}

.footer-copy,
.footer-note {
  color: #dce6eb;
  font-size: var(--font-size-sm);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4) var(--space-5);
  list-style: none;
}

.footer-links a {
  color: white;
  font-weight: 700;
}

.footer-links a[aria-current="page"] {
  text-decoration-thickness: 0.18em;
}

@media (min-width: 42rem) {
  .header-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .site-nav ul {
    justify-content: flex-end;
  }

  .grid--cards,
  .grid--modes,
  .grid--screenshots {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 64rem) {
  .section {
    padding-block: var(--space-9);
  }

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

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