/* ===========================
   Site Header
   =========================== */
.site-header {
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  box-shadow: var(--shadow-sm);
}

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

/* ===========================
   Site Logo & Branding
   =========================== */
.site-branding {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.site-logo {
  margin-right: var(--spacing-md);
}

.site-logo img {
  max-height: 50px;
  width: auto;
  border-radius: 0;
}

.site-title {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  margin: 0;
  line-height: 1.2;
}

.site-title a {
  color: var(--color-primary-brown-dark);
  text-decoration: none;
  transition: color var(--transition-base);
}

.site-title a:hover {
  color: var(--color-primary-green-dark);
}

.site-description {
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
  margin: 0;
  font-style: italic;
  display: none;
}

@media (min-width: 768px) {
  .site-description {
    display: block;
  }
}

/* ===========================
   Primary Navigation
   =========================== */
.main-navigation {
  display: none;
}

.main-navigation.toggled {
  display: block;
}

@media (min-width: 768px) {
  .main-navigation {
    display: block;
  }
  
  .main-navigation.toggled {
    display: block;
  }
}

.nav-menu {
  list-style: none;
  margin: 0;
  padding: 0;
}

/* Mobile Menu */
@media (max-width: 767px) {
  .main-navigation {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    border-top: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
  }
  
  .nav-menu {
    padding: var(--spacing-md) 0;
  }
  
  .nav-menu li {
    border-bottom: 1px solid var(--color-border);
  }
  
  .nav-menu li:last-child {
    border-bottom: none;
  }
  
  .nav-menu a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-text-primary);
    font-weight: 500;
    transition: all var(--transition-fast);
  }
  
  .nav-menu a:hover,
  .nav-menu a:focus {
    background-color: var(--color-accent-cream);
    color: var(--color-primary-green-dark);
    text-decoration: none;
    padding-left: var(--spacing-lg);
  }
  
  .nav-menu .current-menu-item > a,
  .nav-menu .current_page_item > a {
    background-color: var(--color-accent-sage);
    color: var(--color-white);
  }
  
  /* Submenu */
  .nav-menu .sub-menu {
    display: none;
    list-style: none;
    margin: 0;
    padding-left: var(--spacing-md);
    background-color: var(--color-bg-accent);
  }
  
  .nav-menu .sub-menu li {
    border-bottom: 1px solid var(--color-light-gray);
  }
  
  .nav-menu .sub-menu a {
    font-size: var(--font-size-small);
    padding: var(--spacing-xs) var(--spacing-sm);
  }
}

/* Desktop Menu */
@media (min-width: 768px) {
  .nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
  }
  
  .nav-menu li {
    position: relative;
  }
  
  .nav-menu a {
    display: block;
    padding: var(--spacing-xs) var(--spacing-sm);
    color: var(--color-text-primary);
    font-weight: 500;
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
  }
  
  .nav-menu a:hover,
  .nav-menu a:focus {
    background-color: var(--color-accent-cream);
    color: var(--color-primary-green-dark);
    text-decoration: none;
  }
  
  .nav-menu .current-menu-item > a,
  .nav-menu .current_page_item > a {
    background-color: var(--color-primary-green);
    color: var(--color-white);
  }
  
  /* Submenu */
  .nav-menu .sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-lg);
    min-width: 200px;
    list-style: none;
    margin: 0;
    padding: var(--spacing-xs);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-base);
    z-index: var(--z-dropdown);
  }
  
  .nav-menu li:hover > .sub-menu,
  .nav-menu li:focus-within > .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  
  .nav-menu .sub-menu li {
    border-bottom: 1px solid var(--color-light-gray);
  }
  
  .nav-menu .sub-menu li:last-child {
    border-bottom: none;
  }
  
  .nav-menu .sub-menu a {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-small);
  }
}

/* ===========================
   Mobile Menu Toggle
   =========================== */
.menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  padding: 0;
  background: none;
  border: 2px solid var(--color-primary-green);
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.menu-toggle:hover,
.menu-toggle:focus {
  background-color: var(--color-accent-cream);
  border-color: var(--color-primary-green-dark);
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-primary-green-dark);
  margin: 3px 0;
  transition: all var(--transition-fast);
}

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

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

.menu-toggle.toggled span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

@media (min-width: 768px) {
  .menu-toggle {
    display: none;
  }
}

/* ===========================
   Search Form in Header
   =========================== */
.header-search {
  display: none;
  margin-left: var(--spacing-md);
}

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

.header-search form {
  position: relative;
  display: flex;
}

.header-search input[type="search"] {
  width: 200px;
  padding: var(--spacing-xs) var(--spacing-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-small);
  transition: all var(--transition-base);
}

.header-search input[type="search"]:focus {
  width: 280px;
  border-color: var(--color-primary-green);
  outline: none;
}

.header-search button[type="submit"] {
  position: absolute;
  right: 5px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--color-primary-green);
  cursor: pointer;
  padding: var(--spacing-xs);
}

.header-search button[type="submit"]:hover {
  color: var(--color-primary-green-dark);
}