/* ============================================================
   AADRIT — NAVBAR
   Transparent on hero → frosted glass on scroll
============================================================ */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: 72px;
  display: flex;
  align-items: center;
  transition: background var(--t-base) var(--ease-out),
              box-shadow var(--t-base) var(--ease-out),
              backdrop-filter var(--t-base) var(--ease-out);
}

.navbar.transparent {
  background: transparent;
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  box-shadow: 0 1px 0 rgba(0,0,0,0.06);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

/* Logo image */
.navbar__logo {
  display: flex;
  align-items: center;
  position: relative;
  height: 36px;
}

.navbar__logo-img {
  height: 36px;
  width: auto;
  object-fit: contain;
  transition: opacity var(--t-base) var(--ease-out);
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
}

.navbar__logo-img--white {
  opacity: 1;
  /* white logo visible on transparent state */
  width: 120px;
}

.navbar__logo-img--navy {
  opacity: 0;
  /* navy logo hidden on transparent state */
  width: 120px;
}

/* Placeholder for absolute children — needed so parent has width */
.navbar__logo::after {
  content: '';
  display: block;
  width: 120px;
  height: 36px;
}

.navbar.scrolled .navbar__logo-img--white {
  opacity: 0;
}

.navbar.scrolled .navbar__logo-img--navy {
  opacity: 1;
}

/* Nav links */
.navbar__links {
  display: flex;
  align-items: center;
  gap: var(--space-2xl);
}

.navbar__link {
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.85);
  transition: color var(--t-fast);
  position: relative;
}

.navbar__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-base) var(--ease-out);
}

.navbar__link:hover,
.navbar__link.active {
  color: rgba(255,255,255,1);
}

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

.navbar.scrolled .navbar__link {
  color: var(--color-muted);
}

.navbar.scrolled .navbar__link:hover,
.navbar.scrolled .navbar__link.active {
  color: var(--color-navy);
}

/* Right side: cart + actions */
.navbar__actions {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.navbar__cart {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  color: rgba(255,255,255,0.85);
  transition: color var(--t-fast), background var(--t-fast);
}

.navbar__cart:hover {
  background: rgba(255,255,255,0.12);
  color: var(--color-white);
}

.navbar.scrolled .navbar__cart {
  color: var(--color-navy);
}

.navbar.scrolled .navbar__cart:hover {
  background: rgba(10,22,40,0.06);
}

.navbar__cart-count {
  position: absolute;
  top: 2px;
  right: 2px;
  width: 16px;
  height: 16px;
  background: var(--color-accent);
  color: var(--color-navy);
  font-size: 9px;
  font-weight: var(--fw-semibold);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  display: none;
}

.navbar__cart-count.has-items {
  display: flex;
}

.navbar__cart svg {
  width: 22px;
  height: 22px;
  stroke-width: 1.5;
}

/* Mobile toggle */
.navbar__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px 0;
  cursor: pointer;
}

.navbar__toggle span {
  display: block;
  height: 1.5px;
  background: rgba(255,255,255,0.9);
  border-radius: 2px;
  transition: all var(--t-base) var(--ease-out);
}

.navbar.scrolled .navbar__toggle span {
  background: var(--color-navy);
}

.navbar__toggle.open span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.navbar__toggle.open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.navbar__toggle.open span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* Mobile menu overlay */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: var(--color-navy);
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xl);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t-base) var(--ease-out);
}

.mobile-menu.open {
  opacity: 1;
  pointer-events: all;
}

.mobile-menu__link {
  font-family: var(--font-display);
  font-size: clamp(2rem, 6vw, 3.5rem);
  font-weight: var(--fw-light);
  color: var(--color-white);
  letter-spacing: 0.05em;
  transition: color var(--t-fast);
}

.mobile-menu__link:hover {
  color: var(--color-accent);
}

.mobile-menu__close {
  position: absolute;
  top: 24px;
  right: var(--container-pad);
  color: rgba(255,255,255,0.6);
  font-size: 1.5rem;
  cursor: pointer;
}

/* ── RESPONSIVE ─────────────────────────────────────────── */
@media (max-width: 768px) {
  .navbar__links {
    display: none;
  }

  .navbar__toggle {
    display: flex;
  }
}