.site-header,
.site-footer,
.section-shell {
  width: min(var(--content-max), calc(100% - 40px));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  padding-block: 14px;
  backdrop-filter: blur(18px);
}

.site-nav,
.site-footer nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 3vw, 30px);
  color: var(--color-muted);
  font-family: var(--font-latin);
  font-size: 0.92rem;
  font-weight: 700;
}

.site-nav a,
.site-footer a {
  transition: color 180ms ease;
}

.site-nav a:hover,
.site-footer a:hover {
  color: var(--color-primary);
}

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

.section-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(32px, 7vw, 80px);
  align-items: start;
}

.section-heading {
  display: grid;
  gap: 14px;
  max-width: 760px;
  margin-bottom: 34px;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-block: 34px;
  border-top: 1px solid var(--color-line);
  color: var(--color-muted);
}

@media (max-width: 760px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
  }

  .site-nav,
  .site-footer nav {
    flex-wrap: wrap;
    gap: 10px 18px;
  }

  .section-grid,
  .site-footer {
    grid-template-columns: 1fr;
    flex-direction: column;
    align-items: flex-start;
  }
}