.container {
  width: min(100% - 2.5rem, var(--container-max));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(216, 225, 235, 0.7);
  backdrop-filter: blur(8px);
  background-color: rgba(246, 248, 251, 0.9);
}

.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-l);
  min-height: 4.2rem;
}

.site-nav {
  display: flex;
  gap: var(--space-l);
}

.hero {
  padding: var(--space-2xl) 0 var(--space-xl);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: var(--space-xl);
  align-items: start;
}

.section {
  padding: var(--space-2xl) 0;
}

.section-heading {
  margin-bottom: var(--space-l);
}

.latest-articles-heading {
  margin-top: var(--space-xl);
}

.latest-articles-list {
  display: grid;
  border-top: 1px solid var(--color-border);
}

.article-grid,
.expertise-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-m);
}

.contact-panel {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-m);
}

.site-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-l) 0;
}

.footer-shell {
  display: flex;
  justify-content: space-between;
  gap: var(--space-m);
}

@media (max-width: 60rem) {
  .hero-grid,
  .article-grid,
  .expertise-grid {
    grid-template-columns: 1fr;
  }

  .contact-panel {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: var(--space-s);
    padding: var(--space-m) 1.25rem;
    border-bottom: 1px solid var(--color-border);
    background-color: var(--color-panel);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--ease-standard), opacity var(--ease-standard);
  }

  .site-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
}