/* ===========================================================
   Navigation — monograph colophon, not megamenu
   =========================================================== */

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--ink);
  border-bottom: var(--rule-w) solid var(--rule);
  backdrop-filter: saturate(1.2);
}

.nav__inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 2rem;
  height: 72px;
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
  background: none;
  font-family: var(--display);
  font-weight: 400;
  font-size: 1.35rem;
  letter-spacing: 0.005em;
  color: var(--paper);
}
.brand__mark {
  display: inline-block;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--brass);
  transform: translateY(-1px);
}
.brand__moon {
  font-style: italic;
  color: var(--paper-2);
}
.brand__loc {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--paper-3);
  margin-left: 0.6rem;
  padding-left: 0.8rem;
  border-left: var(--rule-w) solid var(--rule);
}

.nav__menu {
  display: flex;
  justify-content: center;
  gap: 1.6rem;
  list-style: none;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.nav__menu a {
  background: none;
  color: var(--paper-2);
  padding: 0.4rem 0.1rem;
  border-bottom: 1px solid transparent;
}
.nav__menu a:hover { color: var(--paper); border-bottom-color: var(--brass); }
.nav__menu a[aria-current="page"] { color: var(--brass); }

.nav__cta {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  background: var(--paper);
  color: var(--ink);
  padding: 0.7rem 1.1rem;
  border: var(--rule-w) solid var(--paper);
  background-image: none;
  transition: background 0.2s, color 0.2s;
}
.nav__cta:hover { background: var(--brass); border-color: var(--brass); color: var(--ink); }

.nav__toggle {
  display: none;
  background: none;
  border: var(--rule-w) solid var(--rule);
  color: var(--paper);
  width: 44px; height: 44px;
  cursor: pointer;
  align-items: center; justify-content: center;
}
.nav__toggle span,
.nav__toggle span::before,
.nav__toggle span::after {
  display: block;
  width: 18px; height: 1px;
  background: var(--paper);
  position: relative;
}
.nav__toggle span::before,
.nav__toggle span::after {
  content: ""; position: absolute; left: 0;
}
.nav__toggle span::before { top: -6px; }
.nav__toggle span::after  { top:  6px; }

@media (max-width: 960px) {
  .nav__inner { grid-template-columns: auto 1fr auto; }
  .nav__menu {
    position: fixed;
    inset: 72px 0 0 0;
    background: var(--ink);
    flex-direction: column;
    gap: 0;
    padding: 1rem var(--gutter) 2rem;
    border-top: var(--rule-w) solid var(--rule);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    align-items: stretch;
  }
  .nav__menu li { border-bottom: var(--rule-w) solid var(--rule); }
  .nav__menu a {
    display: block;
    padding: 1.1rem 0;
    font-size: 0.85rem;
  }
  .nav__menu.is-open { transform: translateX(0); }
  .nav__cta { display: none; }
  .nav__toggle { display: inline-flex; }
  .brand__loc { display: none; }
}