/* MindAttic.Ideas.Plugin.NavMenu — site navigation bar. Scoped under .ma-header (MAIL-LAW-6).
   Theme-agnostic: colors derive from currentColor/inherit plus overridable custom properties. */
.ma-header {
  --ma-header-gap: 1.25rem;
  --ma-header-accent: currentColor;
  display: flex;
  align-items: center;
  gap: var(--ma-header-gap);
  flex-wrap: wrap;
}
.ma-header-brand {
  font-weight: 700;
  font-size: 1.15rem;
  text-decoration: none;
  color: inherit;
  margin-right: auto;
}
.ma-header-list {
  display: flex;
  align-items: center;
  gap: var(--ma-header-gap);
  list-style: none;
  margin: 0;
  padding: 0;
}
.ma-header-link {
  text-decoration: none;
  color: inherit;
  opacity: .8;
  padding: .25rem 0;
  border-bottom: 2px solid transparent;
  transition: opacity .15s ease, border-color .15s ease;
}
.ma-header-link:hover,
.ma-header-link:focus-visible { opacity: 1; }
.ma-header-link[aria-current="page"] {
  opacity: 1;
  border-bottom-color: var(--ma-header-accent);
}
/* Hamburger: hidden on wide screens, swaps in below 720px (navmenu.js toggles .open). */
.ma-header-toggle {
  display: none;
  background: none;
  border: 0;
  cursor: pointer;
  padding: .4rem;
}
.ma-header-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  margin: 4px 0;
  background: currentColor;
  transition: transform .2s ease, opacity .2s ease;
}
@media (max-width: 719.98px) {
  .ma-header-toggle { display: block; }
  .ma-header-list {
    display: none;
    flex-basis: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }
  .ma-header.open .ma-header-list { display: flex; }
  .ma-header.open .ma-header-toggle span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .ma-header.open .ma-header-toggle span:nth-child(2) { opacity: 0; }
  .ma-header.open .ma-header-toggle span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
  .ma-header-list-item { border-top: 1px solid rgba(128, 128, 128, .25); }
  .ma-header-link { display: block; padding: .65rem .25rem; border-bottom: 0; }
  .ma-header-link[aria-current="page"] { border-bottom: 0; font-weight: 600; }
}