.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo {
  font-family: var(--serif);
  font-size: 1.375rem;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: -0.02em;
}

.site-logo span { color: var(--accent); }

.site-nav { display: flex; gap: 0.25rem; align-items: center; }

.site-nav a {
  font-size: 0.875rem;
  color: var(--ink2);
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: background 0.15s, color 0.15s;
}

.site-nav a:hover {
  background: var(--paper);
  color: var(--ink);
  text-decoration: none;
}

.site-main {
  flex: 1;
  max-width: 960px;
  width: 100%;
  margin: 0 auto;
  padding: 2rem 1.5rem 3rem;
}

.site-footer {
  background: var(--white);
  border-top: 1px solid var(--border);
  padding: 1.25rem 1.5rem;
  text-align: center;
  font-size: 0.8125rem;
  color: var(--ink3);
}

.footer-inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.footer-links { display: flex; gap: 1rem; flex-wrap: wrap; }
.footer-links a { color: var(--ink3); font-size: 0.8125rem; }
.footer-links a:hover { color: var(--ink2); }

@media (max-width: 640px) {
  .footer-inner { flex-direction: column; text-align: center; }
  .site-nav a { padding: 0.375rem 0.5rem; }
}