:root {
  --md-primary-fg-color: #102a56;
  --md-accent-fg-color: #0b8ea8;
}

/* Distinguish navigation groups from the pages they contain. */
.md-nav--primary > .md-nav__list > .md-nav__item--nested > .md-nav__link,
.md-nav--primary > .md-nav__list > .md-nav__item--nested > .md-nav__container > .md-nav__link {
  font-weight: 700;
}

@media screen and (min-width: 76.25em) {
  .md-nav--primary > .md-nav__list > .md-nav__item--nested {
    margin-block: 0.65rem;
  }

  .md-nav--primary > .md-nav__list > .md-nav__item--nested > .md-nav__link {
    margin-block: 0;
    padding: 0.4rem 0.5rem;
    border-radius: 0.25rem;
    background: var(--md-code-bg-color);
  }

  .md-nav--primary > .md-nav__list > .md-nav__item--nested > .md-nav {
    margin-inline-start: 0.5rem;
    padding-inline-start: 0.5rem;
    border-inline-start: 1px solid var(--md-default-fg-color--lightest);
  }

  .md-nav--primary > .md-nav__list > .md-nav__item--nested > .md-nav > .md-nav__list {
    padding-block: 0.2rem 0.35rem;
  }

  .md-nav--primary .md-nav__link--active {
    font-weight: 650;
  }
}

.gpex-hero {
  margin: 1.2rem 0 2rem;
  padding: 2.2rem 2.4rem;
  border: 1px solid color-mix(in srgb, var(--md-primary-fg-color) 28%, transparent);
  border-radius: 1rem;
  background:
    radial-gradient(circle at 88% 20%, rgb(33 150 243 / 18%), transparent 34%),
    linear-gradient(135deg, rgb(16 42 86 / 10%), rgb(11 142 168 / 5%));
}

.gpex-hero h1 {
  margin-bottom: 0.6rem;
  color: var(--md-primary-fg-color);
  font-weight: 750;
  letter-spacing: -0.035em;
}

[data-md-color-scheme="slate"] .gpex-hero h1 {
  color: #e8f1ff;
}

.gpex-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
  margin: 1.5rem 0 2.2rem;
}

.gpex-card {
  padding: 0.35rem 1rem 0.8rem;
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 0.7rem;
  background: var(--md-code-bg-color);
}

.gpex-card h3 {
  margin-bottom: 0.35rem;
  color: var(--md-primary-fg-color);
}

.gpex-metric {
  margin: 0.8rem 0 0.6rem;
  color: var(--md-primary-fg-color);
  font-size: 1.25rem;
  font-weight: 700;
}

[data-md-color-scheme="slate"] .gpex-card h3 {
  color: #8ed9e7;
}

[data-md-color-scheme="slate"] .gpex-metric {
  color: #8ed9e7;
}

@media screen and (max-width: 60rem) {
  .gpex-grid {
    grid-template-columns: 1fr;
  }

  .gpex-hero {
    padding: 1.5rem;
  }
}