/* ========================================
   Header Styles
   ======================================== */

/* Main Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background-color: var(--color-white);
  z-index: var(--z-fixed);
  transition: all var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
}

.header.scrolled {
  box-shadow: var(--shadow-md);
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Logo */
.header-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.header-logo img {
  height: 40px;
  width: auto;
}

@media (min-width: 768px) {
  .header-logo img {
    height: 70px;
  }
}

/* Desktop Navigation */
.header-nav {
  display: none;
  align-items: center;
  gap: var(--space-1);
}

@media (min-width: 1024px) {
  .header-nav {
    display: flex;
  }
}

.nav-link {
  display: inline-flex;
  align-items: center;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-gray-800);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

@media (min-width: 1280px) {
  .nav-link {
    padding: var(--space-2) var(--space-4);
  }
}

.nav-link:hover {
  color: var(--color-primary);
  background-color: var(--color-gray-50);
}

.nav-link.active {
  color: var(--color-primary);
}

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

.nav-dropdown .nav-link::after {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-left: var(--space-2);
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  margin-top: -3px;
  transition: transform var(--transition-fast);
}

.nav-dropdown:hover .nav-link::after {
  transform: rotate(-135deg);
  margin-top: 2px;
}

.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  min-width: 240px;
  max-height: 400px;
  overflow-y: auto;
  padding: var(--space-3);
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-2xl);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  z-index: var(--z-dropdown);
}

.nav-dropdown:hover .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.nav-dropdown-menu::-webkit-scrollbar {
  width: 6px;
}

.nav-dropdown-menu::-webkit-scrollbar-thumb {
  background: var(--color-gray-300);
  border-radius: var(--radius-full);
}

.nav-dropdown-item {
  display: block;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-gray-700);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.nav-dropdown-item:hover {
  color: var(--color-primary);
  background-color: var(--color-gray-50);
}

/* Mega Menu for Products */
.nav-dropdown.mega .nav-dropdown-menu {
  min-width: 280px;
  max-height: 70vh;
}

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

/* Header CTA Button */
.header-cta {
  display: none;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-white);
  background-color: #25D366;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.header-cta:hover {
  background-color: var(--color-white);
  color: #25D366;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
}

.header-cta svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

@media (min-width: 1024px) {
  .header-cta {
    display: flex;
  }
}

/* Language Selector */
.lang-selector {
  position: relative;
}

.lang-selector-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-gray-700);
  background-color: transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.lang-selector-toggle:hover {
  background-color: var(--color-gray-100);
}

.lang-selector-toggle::after {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  margin-top: -3px;
  transition: transform var(--transition-fast);
}

.lang-selector:hover .lang-selector-toggle::after {
  transform: rotate(-135deg);
  margin-top: 2px;
}

.lang-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  min-width: 80px;
  padding: var(--space-2);
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-fast);
  z-index: var(--z-dropdown);
}

.lang-selector:hover .lang-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-option {
  display: block;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-gray-700);
  border-radius: var(--radius-md);
  text-align: center;
  transition: all var(--transition-fast);
}

.lang-option:hover {
  color: var(--color-primary);
  background-color: var(--color-gray-50);
}

/* Mobile Action Buttons */
.header-mobile-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

@media (min-width: 1024px) {
  .header-mobile-actions {
    display: none;
  }
}

.header-mobile-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  background-color: var(--color-gray-100);
  color: var(--color-gray-700);
  transition: all var(--transition-fast);
}

.header-mobile-btn:hover {
  transform: scale(1.05);
}

.header-mobile-btn svg {
  width: 18px;
  height: 18px;
}

.header-mobile-btn-whatsapp {
  background-color: #25D366;
  color: white;
}

.header-mobile-btn-whatsapp:hover {
  background-color: #128C7E;
}

.header-mobile-btn-contact {
  background-color: var(--color-primary);
  color: white;
}

.header-mobile-btn-contact:hover {
  background-color: var(--color-primary-dark);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  padding: 0;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: calc(var(--z-fixed) + 10);
}

@media (min-width: 1024px) {
  .mobile-menu-toggle {
    display: none;
  }
}

.mobile-menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-gray-800);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.mobile-menu-toggle span:nth-child(1) {
  margin-bottom: 6px;
}

.mobile-menu-toggle span:nth-child(2) {
  margin-bottom: 6px;
}

/* Menu Open State */
.mobile-menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.mobile-menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* ========================================
   Mobile Navigation
   ======================================== */

.mobile-nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  max-width: 320px;
  height: 100vh;
  background-color: var(--color-white);
  box-shadow: var(--shadow-2xl);
  overflow-y: auto;
  z-index: var(--z-fixed);
  transition: right var(--transition-slow);
}

.mobile-nav.active {
  right: 0;
}

/* Mobile Nav Overlay */
.mobile-nav-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  z-index: calc(var(--z-fixed) - 1);
  transition: all var(--transition-base);
}

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

/* Mobile Nav Header */
.mobile-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-gray-200);
}

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

.mobile-nav-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  cursor: pointer;
}

.mobile-nav-close svg {
  width: 24px;
  height: 24px;
  color: var(--color-gray-600);
}

/* Mobile Nav Menu */
.mobile-nav-menu {
  padding: var(--space-4) 0;
}

.mobile-nav-item {
  border-bottom: 1px solid var(--color-gray-100);
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--color-gray-800);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  transition: all var(--transition-fast);
}

.mobile-nav-link:hover {
  color: var(--color-primary);
  background-color: var(--color-gray-50);
}

.mobile-nav-link.has-submenu::after {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  transition: transform var(--transition-fast);
}

.mobile-nav-item.active .mobile-nav-link.has-submenu::after {
  transform: rotate(-135deg);
}

/* Mobile Submenu */
.mobile-submenu {
  display: none;
  padding: 0 var(--space-5) var(--space-4);
  background-color: var(--color-gray-50);
}

.mobile-nav-item.active .mobile-submenu {
  display: block;
}

.mobile-submenu-item {
  display: block;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-gray-700);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.mobile-submenu-item:hover {
  color: var(--color-primary);
  background-color: var(--color-white);
}

/* Mobile Nav Footer */
.mobile-nav-footer {
  padding: var(--space-5);
  border-top: 1px solid var(--color-gray-200);
  margin-top: auto;
}

.mobile-lang-selector {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.mobile-lang-btn {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-gray-600);
  background-color: var(--color-gray-100);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.mobile-lang-btn.active {
  color: var(--color-white);
  background-color: var(--color-primary);
}

.mobile-social-links {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.mobile-social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: var(--color-gray-600);
  background-color: var(--color-gray-100);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.mobile-social-link:hover {
  color: var(--color-white);
  background-color: var(--color-primary);
}

.mobile-social-link svg {
  width: 18px;
  height: 18px;
}

/* Body Lock */
body.menu-open {
  overflow: hidden;
}

/* Header Spacer */
.header-spacer {
  height: var(--header-height);
}