/* ─── NAV ─── */
nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 200;
  display: flex;
  align-items: center;
  padding: 0 var(--margin);
  height: 86px;
  background: rgba(5,5,5,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--rule);
}

.nav-logo {
  flex-shrink: 0;
  margin-right: auto;
  text-decoration: none;
  display: flex;
  align-items: center;
}

.nav-logo img.full-logo {
  height: 54px;
  width: auto;
  display: block;
}

.nav-logo img.z-mark {
  height: 26px;
  width: auto;
  display: none;
}

.nav-items {
  display: flex;
  align-items: center;
  gap: 0;
  list-style: none;
}

.nav-items li a {
  display: block;
  padding: 0 20px;
  font-family: var(--sans);
  font-size: 10.5px;
  font-weight: 400;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--gray-1);
  text-decoration: none;
  transition: color 0.2s;
  white-space: nowrap;
}

.nav-items li a:hover,
.nav-items li a.active { color: var(--white); }

.nav-rule {
  width: 1px;
  height: 18px;
  background: var(--gray-2);
  margin: 0 8px;
  flex-shrink: 0;
}

.nav-contact a {
  font-family: var(--sans);
  font-size: 10.5px;
  font-weight: 400;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--white);
  text-decoration: none;
  padding: 0 0 2px 0;
  border-bottom: 1px solid rgba(255,255,255,0.25);
  transition: border-color 0.2s;
}

.nav-contact a:hover { border-color: var(--white); }

/* ─── HAMBURGER ─── */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 8px 4px;
  margin-left: 24px;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 1px;
  background: var(--white);
  transition: transform 0.25s, opacity 0.25s;
}

/* ─── MOBILE MENU ─── */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 86px 0 0 0;
  background: var(--black);
  z-index: 190;
  padding: 28px var(--margin);
  border-top: 1px solid var(--rule);
  flex-direction: column;
  gap: 0;
}

.mobile-menu.open { display: flex; }

.mobile-menu a {
  display: block;
  padding: 14px 0;
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 400;
  color: var(--white);
  text-decoration: none;
  border-bottom: 1px solid var(--rule);
  transition: color 0.2s;
}

.mobile-menu a:hover { color: var(--gray-1); }

.cta-link {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-family: var(--sans);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--white);
  text-decoration: none;
  border-bottom: 1px solid rgba(255,255,255,0.22);
  padding-bottom: 4px;
  transition: gap 0.35s, border-color 0.2s;
}

.cta-link:hover { gap: 22px; border-color: var(--white); }