.site-shell {
  min-height: 100vh;
  background: var(--color-white);
}

.container {
  width: 100%;
  max-width: var(--site-max-width);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.site-header {
  background: var(--color-blue);
}

.site-header__inner {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding-block: 1.1rem;
}

.site-navigation {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-beige-dark);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.08);
}

.site-navigation__inner {
  position: relative;
  display: flex;
  min-height: 40px;
  align-items: stretch;
  justify-content: space-between;
}

.site-main {
  min-height: 42vh;
  padding-block: 1.1rem 3rem;
}

.site-footer {
  background: var(--color-blue);
  color: var(--color-white);
}

.site-footer__inner {
  padding-block: 1.6rem 1.25rem;
}

.site-footer__columns {
  display: grid;
  gap: 1.5rem;
}

.site-footer__copyright {
  margin: 1.7rem 0 0;
  color: var(--color-white);
  font-family: var(--font-primary);
  font-size: 0.92rem;
}

.content-placeholder {
  max-width: none;
}

@media (min-width: 600px) {
  .site-header__inner {
    padding-block: 1.35rem;
  }

  .site-main {
    padding-block: 1.25rem 3.5rem;
  }

  .site-footer__columns {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .site-header__inner {
    min-height: 116px;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 3rem;
  }

  .site-footer__columns {
    grid-template-columns: 1fr 1fr 1fr 1.05fr 0.9fr;
    gap: 2.2rem;
  }
}

@media (min-width: 1200px) {
  .site-main {
    padding-bottom: 4rem;
  }
}