.container {
  width: 100%;
  max-width: var(--measure-fluid);
  margin: 0 auto;
  padding: 0 var(--space-5);
}

@media (max-width: 640px) {
  .container { padding: 0 var(--space-3); }
}

.site-nav {
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
  position: sticky;
  top: 0;
  z-index: 5;
}
.site-nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-3);
  gap: var(--space-4);
}
.site-nav__brand {
  font-weight: 700;
  color: var(--color-fg);
  text-decoration: none;
  font-family: var(--font-serif);
  font-size: var(--fs-lg);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}
.site-nav__brand:hover { text-decoration: none; }

.site-nav__links {
  display: flex;
  flex-wrap: nowrap;
  gap: var(--space-5);
  align-items: center;
  list-style: none;
  padding: 0;
  margin: 0;
}
.site-nav__links li {
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
}
.site-nav__links a {
  color: var(--color-fg-muted);
  font-weight: 500;
  white-space: nowrap;
  line-height: 1;
}
.site-nav__links a:hover { color: var(--color-fg); }

@media (max-width: 480px) {
  .site-nav__links { gap: var(--space-3); }
  .site-nav__brand { font-size: var(--fs-base); }
}

.site-footer {
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-8);
  padding-block: var(--space-5);
  color: var(--color-fg-subtle);
  font-size: var(--fs-sm);
  text-align: center;
}