/* ── Nav ────────────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
}
.nav-inner {
  max-width: var(--page-w);
  width: 100%;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  gap: 0;
}

/* Wordmark */
.nav-brand {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  letter-spacing: -0.01em;
  margin-right: 2.5rem;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.nav-brand-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

/* Links */
.nav-links {
  display: flex;
  align-items: stretch;
  height: var(--nav-h);
  gap: 0;
  list-style: none;
  flex: 1;
  margin-bottom: 0;
}
.nav-item {
  flex: 1;
  display: flex;
  justify-content: center;
}
.nav-link {
  display: flex;
  align-items: center;
  height: 100%;
  padding: 0 14px;
  font-size: 13px;
  color: var(--text-2);
  border-bottom: 2px solid transparent;
  transition: color 0.12s;
  white-space: nowrap;
}
.nav-link:hover { color: var(--text); }
.nav-link.active {
  color: var(--text);
  font-weight: 500;
  border-bottom-color: var(--accent);
}

/* Right slot */
.nav-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-search {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-3);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 5px 10px;
  cursor: pointer;
  transition: border-color 0.12s;
}
.nav-search:hover { border-color: var(--border); color: var(--text-2); }
.nav-search kbd {
  font-family: var(--mono);
  font-size: 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 1px 4px;
  color: var(--text-3);
}