.header-inner {
  border: 1px solid var(--border);
  border-radius: var(--panel-radius);
  background: var(--panel);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  text-align: center;
}

.site-title {
  margin: 0;
  font-size: 40px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text-active);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.site-nav a {
  display: inline-block;
  width: 150px;
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--panel);
  color: var(--text);
  text-decoration: none;
  font-size: 14px;
  transition: background 180ms ease, border-color 180ms ease, color 180ms ease;
}

.site-nav a:hover,
.site-nav a.active {
  background: var(--panel-active);
  border-color: var(--accent);
  color: var(--accent);
}