.site-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  width: min(100% - 2rem, var(--container));
  margin-inline: auto;
}

.content {
  width: min(100%, var(--content));
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(8px);
}

.header-row {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.main-nav {
  display: none;
}

.main-nav ul {
  display: flex;
  gap: var(--space-3);
}

.hero {
  padding-block: var(--space-6);
}

.section {
  padding-block: var(--space-5);
}

.grid-2 {
  display: grid;
  gap: var(--space-4);
}

.site-footer {
  margin-top: auto;
  padding-block: var(--space-5);
  border-top: 1px solid var(--border);
  background: #f0f4f8;
}

@media (min-width: 900px) {
  .main-nav {
    display: block;
  }

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