/* Shared site navigation. Everything is scoped under .site-nav so it can't
   collide with tool styles. Colors borrow each page's theme variables
   (--panel, --line, --ink, --mute, --acc) and fall back to neutral values. */
.site-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px 18px;
  padding: 10px 20px;
  background: var(--panel, #fff);
  border-bottom: 1px solid var(--line, #d9dce3);
  font:
    600 14px/1.2 "Avenir Next",
    Avenir,
    "Segoe UI",
    system-ui,
    sans-serif;
}

/* The links travel as one group: if they don't all fit beside the logo,
   the whole group drops below it instead of wrapping one at a time. */
.site-nav .links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 18px;
}
.site-nav a {
  color: var(--mute, #6b7080);
  text-decoration: none;
  padding: 4px 0;
  border-bottom: 2px solid transparent;
}
.site-nav a:hover {
  color: var(--ink, #14161f);
}
.site-nav a:focus-visible {
  outline: 2px solid var(--acc, #3a3aff);
  outline-offset: 2px;
}
.site-nav a[aria-current="page"] {
  color: var(--ink, #14161f);
  border-bottom-color: var(--acc, #3a3aff);
}
.site-nav .home {
  color: var(--ink, #14161f);
  margin-right: 6px;
  font-weight: 700;
  letter-spacing: 0.01em;
  /* Crisp offset shadow: no blur, no glow. */
  text-shadow: 1px 1px 0 rgba(0, 0, 0, 0.18);
  text-shadow: 1px 1px 0
    color-mix(in srgb, var(--ink, #14161f) 18%, transparent);
}