/* ============================================
   EMIX Header & Navigation
   ============================================ */

.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: var(--z-fixed);
  padding: var(--space-4) 0;
  transition: all var(--transition-base);
  background: transparent;
}

.site-header.scrolled {
  background: rgba(26, 58, 42, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: var(--space-2) 0;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  z-index: var(--z-fixed);
}

.logo img {
  height: 90px;
  width: auto;
  transition: all var(--transition-base);
}

.site-header.scrolled .logo img {
  height: 65px;
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-text .brand-en {
  font-family: var(--font-english);
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--color-gold-light);
  line-height: 1;
  letter-spacing: 2px;
}

.logo-text .brand-ar {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: var(--letter-spacing-wider);
}

/* Navigation */
.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav-link {
  padding: var(--space-2) var(--space-4);
  color: rgba(255, 255, 255, 0.85);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  position: relative;
  white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-gold-light);
  background: rgba(255, 255, 255, 0.08);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 2px;
  right: 50%;
  transform: translateX(50%);
  width: 0;
  height: 2px;
  background: var(--color-gold-light);
  border-radius: var(--radius-full);
  transition: width var(--transition-base);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 50%;
}

/* Dropdown */
.nav-dropdown {
  position: relative;
}

.nav-dropdown-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav-dropdown-toggle svg {
  width: 12px;
  height: 12px;
  transition: transform var(--transition-base);
}

.nav-dropdown:hover .nav-dropdown-toggle svg {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  min-width: 240px;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: var(--space-2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-base);
  border: 1px solid rgba(26, 58, 42, 0.08);
  z-index: var(--z-dropdown);
}

.nav-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(4px);
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  color: var(--color-gray-700);
  font-size: var(--text-sm);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.dropdown-item:hover {
  background: var(--color-green-pale);
  color: var(--color-green-dark);
}

.dropdown-item svg {
  width: 18px;
  height: 18px;
  color: var(--color-gold);
  flex-shrink: 0;
}

/* Header CTA */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.header-cart {
  position: relative;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

.header-cart:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-gold-light);
}

.header-cart svg {
  width: 22px;
  height: 22px;
}

.cart-count {
  position: absolute;
  top: 0;
  left: 0;
  width: 18px;
  height: 18px;
  background: var(--color-gold);
  color: var(--color-green-darkest);
  font-size: 10px;
  font-weight: var(--font-bold);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-header {
  padding: var(--space-2) var(--space-5);
  font-size: var(--text-sm);
}

/* Mobile Menu Toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  cursor: pointer;
  z-index: var(--z-fixed);
  padding: 4px 0;
}

.mobile-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-white);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

.mobile-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-toggle.active span:nth-child(2) {
  opacity: 0;
}

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

/* Mobile Navigation */
@media (max-width: 1024px) {
  .mobile-toggle {
    display: flex;
  }

  .main-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 85%;
    max-width: 360px;
    height: 100vh;
    background: var(--color-green-darkest);
    flex-direction: column;
    align-items: stretch;
    padding: 100px var(--space-6) var(--space-6);
    transition: right var(--transition-slow);
    overflow-y: auto;
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.3);
    gap: 0;
  }

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

  .nav-link {
    padding: var(--space-4) var(--space-4);
    font-size: var(--text-base);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 0;
  }

  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    background: rgba(255, 255, 255, 0.05);
    box-shadow: none;
    border: none;
    padding: 0 var(--space-4);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
  }

  .nav-dropdown.open .dropdown-menu {
    max-height: 500px;
  }

  .dropdown-item {
    color: rgba(255, 255, 255, 0.7);
  }

  .dropdown-item:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--color-gold-light);
  }

  .header-actions {
    display: flex;
  }

  .btn-header {
    display: none;
  }

  /* Overlay */
  .nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: calc(var(--z-fixed) - 1);
  }

  .nav-overlay.active {
    opacity: 1;
    visibility: visible;
  }
}

@media (max-width: 480px) {
  .logo-text .brand-en {
    font-size: var(--text-xl);
  }
  
  .logo img {
    height: 60px;
  }
}