/* Header and Navigation Styles */

header {
  background-color: var(--color-white);
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
}

.header-top {
  background-color: var(--color-primary-blue);
  color: var(--color-white);
  padding: var(--spacing-sm) 0;
  font-size: var(--font-size-small);
}

.header-top-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.phone-number {
  font-weight: var(--font-weight-semibold);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.phone-number a {
  color: var(--color-white);
  text-decoration: none;
}

.phone-number a:hover {
  text-decoration: underline;
}

.header-main {
  padding: var(--spacing-md) 0;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.logo {
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-primary-blue);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.logo:hover {
  text-decoration: none;
  color: var(--color-secondary-blue);
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--color-secondary-blue), var(--color-primary-blue));
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-weight: var(--font-weight-bold);
}

/* Navigation */
nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
  margin: 0;
  padding: 0;
}

.nav-item {
  position: relative;
}

.nav-link {
  color: var(--color-dark-grey);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.nav-link:hover {
  color: var(--color-secondary-blue);
  background-color: var(--color-light-grey);
  text-decoration: none;
}

.nav-link.active {
  color: var(--color-secondary-blue);
  font-weight: var(--font-weight-semibold);
}

.nav-dropdown-toggle::after {
  content: "▼";
  font-size: 0.6rem;
  transition: transform var(--transition-fast);
}

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

/* Dropdown Menu */
.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--color-white);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-lg);
  min-width: 250px;
  padding: var(--spacing-sm) 0;
  list-style: none;
  margin: var(--spacing-sm) 0 0 0;
  padding: 0;
  display: none;
  z-index: var(--z-dropdown);
}

.nav-item:hover .nav-dropdown {
  display: block;
  animation: slideDown 0.2s ease-out;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.nav-dropdown-item {
  padding: 0;
}

.nav-dropdown-link {
  display: block;
  padding: var(--spacing-sm) var(--spacing-lg);
  color: var(--color-dark-grey);
  text-decoration: none;
  font-size: var(--font-size-small);
  transition: all var(--transition-fast);
}

.nav-dropdown-link:hover {
  background-color: var(--color-light-grey);
  color: var(--color-secondary-blue);
  text-decoration: none;
  padding-left: calc(var(--spacing-lg) + var(--spacing-sm));
}

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

.search-toggle {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.2rem;
  color: var(--color-dark-grey);
  transition: color var(--transition-fast);
}

.search-toggle:hover {
  color: var(--color-secondary-blue);
}

.cta-button {
  background-color: var(--color-secondary-blue);
  color: var(--color-white);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--border-radius-md);
  text-decoration: none;
  font-weight: var(--font-weight-semibold);
  transition: background-color var(--transition-fast);
  white-space: nowrap;
}

.cta-button:hover {
  background-color: var(--color-primary-blue);
  text-decoration: none;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.5rem;
  color: var(--color-dark-grey);
}

/* Search Bar */
.search-bar {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: var(--color-white);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  z-index: var(--z-dropdown);
}

.search-bar.active {
  display: block;
}

.search-input-group {
  display: flex;
  gap: var(--spacing-sm);
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.search-input {
  flex: 1;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid #ddd;
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-body);
}

.search-input:focus {
  outline: none;
  border-color: var(--color-secondary-blue);
  box-shadow: 0 0 0 3px rgba(45, 110, 176, 0.1);
}

.search-button {
  padding: var(--spacing-sm) var(--spacing-lg);
  background-color: var(--color-secondary-blue);
  color: var(--color-white);
  border: none;
  border-radius: var(--border-radius-md);
  cursor: pointer;
  font-weight: var(--font-weight-semibold);
  transition: background-color var(--transition-fast);
}

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

/* Mobile Menu */
@media (max-width: 1024px) {
  .nav-menu {
    gap: var(--spacing-md);
  }
  
  .nav-link {
    padding: var(--spacing-sm);
    font-size: var(--font-size-small);
  }
}

@media (max-width: 768px) {
  .header-top {
    display: none;
  }
  
  .header-content {
    padding: 0 var(--spacing-md);
  }
  
  .menu-toggle {
    display: block;
  }
  
  nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    flex-direction: column;
    gap: 0;
    box-shadow: var(--shadow-md);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
    z-index: var(--z-dropdown);
  }
  
  nav.active {
    max-height: 100vh;
  }
  
  .nav-menu {
    flex-direction: column;
    gap: 0;
    width: 100%;
  }
  
  .nav-item {
    width: 100%;
    border-bottom: 1px solid #ddd;
  }
  
  .nav-link {
    width: 100%;
    padding: var(--spacing-md);
    border-radius: 0;
  }
  
  .nav-dropdown {
    position: static;
    box-shadow: none;
    background-color: var(--color-light-grey);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
    margin: 0;
  }
  
  .nav-item.open .nav-dropdown {
    max-height: 500px;
  }
  
  .nav-dropdown-link {
    padding: var(--spacing-sm) var(--spacing-lg) var(--spacing-sm) calc(var(--spacing-lg) * 2);
  }
  
  .nav-dropdown-link:hover {
    padding-left: calc(var(--spacing-lg) * 2);
  }
  
  .header-actions {
    gap: var(--spacing-sm);
  }
  
  .cta-button {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-small);
  }
  
  .search-input-group {
    flex-direction: column;
    padding: 0 var(--spacing-md);
  }
}

@media (max-width: 480px) {
  .logo {
    font-size: 1.2rem;
  }
  
  .logo-icon {
    width: 32px;
    height: 32px;
  }
  
  .phone-number {
    display: none;
  }
  
  .cta-button {
    display: none;
  }
}