/* ==========================================
   NAVIGATION BAR STYLES
   ========================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  background-color: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color 0.4s ease, border-color 0.4s ease, backdrop-filter 0.4s ease;
}

/* Glassmorphism scroll effect */
.header.scrolled {
  background-color: rgba(252, 252, 250, 0.85); /* Matches off-white theme */
  border-bottom: 1px solid rgba(234, 232, 227, 0.5); /* Softened transparent border */
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  height: 72px; /* Slim down slightly on scroll */
  box-shadow: 0 4px 30px rgba(15, 14, 13, 0.02);
}

/* Base dark-mode look context override if needed */
.header .container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo styling */
.logo {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  position: relative;
  text-decoration: none;
}

.logo-img {
  height: 38px;
  width: 38px;
  object-fit: contain;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.logo:hover .logo-img {
  transform: scale(1.15) rotate(-6deg);
}

.logo-text {
  color: var(--color-primary);
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}

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

/* Nav Links - Desktop */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 3rem;
}

.nav-link {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--color-primary);
  position: relative;
  padding: 0.5rem 0;
  transition: color 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-accent);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: width 0.4s cubic-bezier(0.16, 1, 0.3, 1), left 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
  left: 0;
}

/* Nav Action Icons */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-action-btn {
  color: var(--color-primary);
  position: relative;
  padding: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.nav-action-btn:hover {
  color: var(--color-accent);
  transform: translateY(-2px);
}

.nav-action-btn svg {
  width: 20px;
  height: 20px;
  stroke-width: 1.5;
}

/* Cart Badge Count Bubble */
.cart-badge {
  position: absolute;
  top: -2px;
  right: -2px;
  background-color: var(--color-accent);
  color: var(--color-white);
  font-size: 0.6rem;
  font-weight: 700;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: scale(1);
  transition: transform 0.3s ease;
}

.cart-badge.bump {
  transform: scale(1.3);
}

/* Mobile hamburger button */
.hamburger-btn {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 20px;
  height: 14px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 1010;
}

.hamburger-btn span {
  width: 100%;
  height: 1.5px;
  background-color: var(--color-primary);
  transition: all 0.3s ease;
}

/* Responsive navigation styles */
@media (max-width: 992px) {
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 320px;
    height: 100vh;
    background-color: var(--color-white);
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    padding: 8rem 3rem 3rem 3rem;
    gap: 2rem;
    box-shadow: var(--shadow-lg);
    transition: right 0.4s cubic-bezier(0.77, 0.2, 0.05, 1);
    z-index: 1005;
  }

  .nav-menu.open {
    right: 0;
  }

  .hamburger-btn {
    display: flex;
  }

  /* Hamburger animations when open */
  .hamburger-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
  }

  .hamburger-btn.active span:nth-child(2) {
    opacity: 0;
  }

  .hamburger-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }
}