/* ==============================================
   nav.css
   Header navigation + mobile hamburger drawer.
   Loaded on every page.
   ============================================== */

#site-header {
  position: sticky;
  top: 0;
  z-index: 300;
}

nav {
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1140px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 62px;
  padding: 0 clamp(20px, 5vw, 72px);
}

.nav-logo {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.45rem;
  font-weight: 500;
  color: var(--ink);
  cursor: pointer;
  letter-spacing: 0.01em;
  user-select: none;
  flex-shrink: 0;
}

.nav-logo img {
  height: 36px;
  width: auto;
  display: block;
}

.nav-logo span {
  color: var(--amber);
}

/* Desktop links */
.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.2s;
  cursor: pointer;
  padding-bottom: 2px;
  font-family: var(--font-ui);
}

.nav-links a:hover {
  color: var(--ink);
}

.nav-links a.active {
  color: var(--ink);
  border-bottom: 1.5px solid var(--amber);
}

.nav-links .current-menu-item > a,
.nav-links .current_page_item > a,
.nav-links .current-menu-parent > a,
.nav-links .current-page-ancestor > a {
  color: var(--ink);
  border-bottom: 1.5px solid var(--amber);
}

/* Hamburger button — hidden on desktop */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
  transition: background 0.2s;
}

.nav-hamburger:hover {
  background: var(--bg-subtle);
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.2s ease, width 0.3s ease;
  transform-origin: center;
}

/* Animated X state */
.nav-hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-hamburger.open span:nth-child(2) {
  opacity: 0;
  width: 0;
}

.nav-hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile drawer */
.nav-mobile-drawer {
  display: none;
  position: absolute;
  top: 62px;
  left: 0;
  right: 0;
  background: #fff;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.38s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.28s ease;
  opacity: 0;
  z-index: 299;
}

.nav-mobile-drawer.open {
  max-height: 400px;
  opacity: 1;
}

.nav-mobile-links {
  list-style: none;
  padding: 10px 0 16px;
}

.nav-mobile-links li {
  display: block;
}

.nav-mobile-links a {
  display: block;
  padding: 13px clamp(20px, 5vw, 72px);
  font-family: var(--font-ui);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  cursor: pointer;
  transition: color 0.18s, background 0.18s;
  border-left: 3px solid transparent;
}

.nav-mobile-links a:hover {
  color: var(--ink);
  background: var(--bg-subtle);
}

.nav-mobile-links a.active {
  color: var(--amber-dark);
  border-left-color: var(--amber);
  background: var(--amber-pale);
}

.nav-mobile-links .current-menu-item > a,
.nav-mobile-links .current_page_item > a,
.nav-mobile-links .current-menu-parent > a,
.nav-mobile-links .current-page-ancestor > a {
  color: var(--amber-dark);
  border-left-color: var(--amber);
  background: var(--amber-pale);
}