/* Header styles */
#header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: var(--white);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  transition: all var(--transition-normal);
}

#header.sticky {
  box-shadow: var(--shadow-md);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  padding: 0 24px;
  max-width: var(--container-width);
  margin: 0 auto;
}

.header-left {
  display: flex;
  align-items: center;
}

.logo {
  margin-right: 40px;
  display: flex;
  align-items: center;
}

.main-nav ul {
  display: flex;
  gap: 24px;
}

.main-nav a {
  font-weight: 700;
  font-size: 16px;
  color: var(--gray-700);
  padding: 8px 0;
  position: relative;
  transition: color var(--transition-fast);
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--primary-color);
}

.main-nav a.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--primary-color);
  border-radius: 2px;
}

.dropdown {
  position: relative;
}

.dropdown-arrow {
  font-size: 10px;
  margin-left: 4px;
}

.dropdown-content {
  position: absolute;
  top: 100%;
  left: 0;
  width: 200px;
  background-color: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-normal);
  z-index: 100;
}

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

.dropdown-content a {
  display: block;
  padding: 8px 16px;
  font-weight: 600;
  font-size: 14px;
  color: var(--gray-700);
  transition: background-color var(--transition-fast);
}

.dropdown-content a:hover {
  background-color: var(--gray-100);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.search-container {
  position: relative;
  width: 250px;
}

.search-input {
  width: 100%;
  height: 40px;
  border-radius: 20px;
  background-color: var(--gray-100);
  padding: 0 40px 0 16px;
  font-size: 14px;
  transition: background-color var(--transition-fast);
}

.search-input:focus {
  background-color: var(--gray-200);
}

.search-button {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-600);
  cursor: pointer;
  transition: color var(--transition-fast);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.search-button:hover {
  color: var(--primary-color);
}

.mobile-menu-button {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  cursor: pointer;
}

.mobile-menu-button span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--gray-700);
  transition: all var(--transition-normal);
}

.mobile-menu-button.active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

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

.mobile-menu-button.active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.mobile-menu {
  position: fixed;
  top: 64px;
  left: 0;
  width: 100%;
  height: calc(100vh - 64px);
  background-color: var(--white);
  z-index: 999;
  padding: 24px;
  transform: translateX(100%);
  transition: transform var(--transition-normal);
  overflow-y: auto;
}

.mobile-menu.active {
  transform: translateX(0);
}

.mobile-menu ul {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.mobile-menu a {
  display: block;
  font-size: 18px;
  font-weight: 700;
  color: var(--gray-700);
  padding: 8px 0;
  border-bottom: 1px solid var(--gray-200);
}

.mobile-menu a.active {
  color: var(--primary-color);
}

body.menu-open {
  overflow: hidden;
}

/* Responsive styles */
@media (max-width: 992px) {
  .main-nav {
    display: none;
  }
  
  .search-container {
    width: 200px;
  }
  
  .mobile-menu-button {
    display: flex;
  }
}

@media (max-width: 768px) {
  .header-container {
    height: 56px;
    padding: 0 16px;
  }
  
  .logo {
    margin-right: 0;
  }
  
  .search-container {
    width: 160px;
  }
  
  .mobile-menu {
    top: 56px;
    height: calc(100vh - 56px);
  }
}

@media (max-width: 576px) {
  .search-container {
    width: 120px;
  }
  
  .search-input {
    height: 36px;
    font-size: 12px;
  }
}