.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 800;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  padding-inline: clamp(1.5rem, 5vw, 5rem);
  transition:
    background var(--t-med) var(--ease),
    border-color var(--t-med) var(--ease),
    height var(--t-med) var(--ease),
    box-shadow var(--t-med) var(--ease);
  border-bottom: 1px solid transparent;
}

.nav.scrolled {
  background: rgba(8, 8, 8, 0.96);
  border-bottom-color: var(--border);
  box-shadow: 0 4px 40px rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

/* Nav Inner Layout */
.nav__inner {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
}

/* Logo */
.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  transition: opacity var(--t-med) var(--ease);
}

.nav__logo:hover { opacity: 0.8; }

.nav__logo-img {
  height: 40px;
  width: auto;
  transition: height var(--t-med) var(--ease);
}

.nav.scrolled .nav__logo-img { height: 34px; }

.nav__logo-text {
  font-family: var(--serif);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--gold);
  text-transform: uppercase;
  line-height: 1;
}

/* Desktop Links */
.nav__links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  justify-content: center;
}

.nav__link {
  position: relative;
  font-family: var(--sans);
  font-size: 0.65rem;
  font-weight: 300;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ivory-dim);
  opacity: 0.75;
  transition: opacity var(--t-med) var(--ease), color var(--t-med) var(--ease);
  padding-block: 0.3rem;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-med) var(--ease);
}

.nav__link:hover,
.nav__link.active {
  opacity: 1;
  color: var(--gold-light);
}

.nav__link:hover::after,
.nav__link.active::after {
  transform: scaleX(1);
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  justify-content: flex-end;
}

.nav__action-btn {
  position: relative;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ivory-dim);
  opacity: 0.7;
  border: 1px solid transparent;
  transition:
    opacity var(--t-med) var(--ease),
    border-color var(--t-med) var(--ease),
    color var(--t-med) var(--ease),
    background var(--t-med) var(--ease);
}

.nav__action-btn:hover {
  opacity: 1;
  color: var(--gold);
  border-color: var(--border-light);
  background: var(--gold-glow);
}

.nav__action-btn svg {
  width: 17px;
  height: 17px;
  stroke-width: 1.5;
}

/* Badge Counter */
.nav__count {
  position: absolute;
  top: -4px;
  right: -4px;
  width: 16px;
  height: 16px;
  background: var(--gold);
  color: var(--obsidian);
  font-size: 0.55rem;
  font-weight: 400;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: transform var(--t-fast) var(--ease-spring);
}

.nav__count.bump {
  animation: countBump 0.35s var(--ease-spring);
}

@keyframes countBump {
  0%   { transform: scale(1); }
  50%  { transform: scale(1.4); }
  100% { transform: scale(1); }
}

.nav__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: flex-end;
  gap: 5px;
  width: 38px;
  height: 38px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.nav__hamburger span {
  display: block;
  height: 1px;
  background: var(--gold-light);
  transition:
    width var(--t-med) var(--ease),
    transform var(--t-med) var(--ease),
    opacity var(--t-med) var(--ease);
}

.nav__hamburger span:nth-child(1) { width: 24px; }
.nav__hamburger span:nth-child(2) { width: 16px; }
.nav__hamburger span:nth-child(3) { width: 20px; }

.nav__hamburger.open span:nth-child(1) {
  width: 22px;
  transform: translateY(6px) rotate(45deg);
}
.nav__hamburger.open span:nth-child(2) {
  opacity: 0;
  width: 0;
}
.nav__hamburger.open span:nth-child(3) {
  width: 22px;
  transform: translateY(-6px) rotate(-45deg);
}

/* Mobile Menu Overlay */
.nav__mobile {
  position: fixed;
  inset: 0;
  top: var(--nav-h);
  background: rgba(8, 8, 8, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 790;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-12px);
  transition:
    opacity var(--t-med) var(--ease),
    visibility var(--t-med) var(--ease),
    transform var(--t-med) var(--ease);
}

.nav__mobile.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav__mobile-link {
  font-family: var(--serif);
  font-size: 2.2rem;
  font-weight: 300;
  letter-spacing: 0.06em;
  color: var(--ivory);
  opacity: 0.6;
  transition: opacity var(--t-med) var(--ease), color var(--t-med) var(--ease);
  text-align: center;
}

.nav__mobile-link:hover {
  opacity: 1;
  color: var(--gold-light);
}

.nav__mobile-link.active {
  opacity: 1;
  color: var(--gold);
}

.nav__mobile-actions {
  display: flex;
  gap: 1.5rem;
  margin-top: 1rem;
}

/* Responsive */
@media (max-width: 900px) {
  .nav__links { display: none; }
  .nav__hamburger { display: flex; }
  .nav__inner { grid-template-columns: auto 1fr auto; }
}

@media (max-width: 480px) {
  .nav { padding-inline: 1.5rem; }
}

/* ── Favourites heart badge ── */
.nav__action-btn .nav__heart-count {
  position: absolute;
  top: -4px;
  right: -4px;
  width: 16px;
  height: 16px;
  background: var(--gold);
  color: var(--obsidian);
  font-size: 0.55rem;
  font-weight: 400;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: transform var(--t-fast) var(--ease-spring);
}

.nav__action-btn.fav-active svg {
  fill: var(--gold);
  stroke: var(--gold);
}

/* Offers nav link — gold highlight */
.nav__link--offers {
  color: var(--gold) !important;
  opacity: 1 !important;
  font-weight: 400;
  letter-spacing: 0.18em;
}
.nav__link--offers::after {
  background: var(--gold) !important;
}