/* ==========================================================================
   Kennedy Mortgage - Site Header & Navigation
   ==========================================================================
   Persistent header on every page. Includes logo, primary navigation,
   Multifamily dropdown, Residential mega-menu, and mobile hamburger menu.

   Mobile menu toggle and accordion expansion require a small piece of JS;
   the CSS-only behaviors here cover desktop hover dropdowns and keyboard
   focus state. Mobile menu open/close state is managed via the
   `.mobile-menu-open` class on <body>, toggled by JS.
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background-color: var(--color-navy);
  color: var(--color-white);
  height: 80px;
  display: flex;
  align-items: center;
  box-shadow: var(--shadow-sm);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

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

.site-logo img,
.site-logo svg {
  height: 60px;
  width: auto;
}

@media (max-width: 639px) {
  .site-header { height: 64px; }
  .site-logo img,
  .site-logo svg { height: 44px; }
}

/* ==========================================================================
   PRIMARY NAVIGATION (desktop)
   ========================================================================== */

.site-nav {
  display: flex;
  align-items: center;
}

.site-nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav-list > li {
  position: relative;
  margin: 0;
}

.site-nav-list > li > a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: var(--space-md) 0;
  color: var(--color-white);
  font-size: 15px;
  font-weight: var(--weight-medium);
  text-decoration: none;
  transition: color var(--transition);
  white-space: nowrap;
}

.site-nav-list > li > a:hover,
.site-nav-list > li > a:focus-visible {
  color: var(--color-blue-100);
  text-decoration: none;
}

/* Active page indicator */
.site-nav-list > li.is-active > a {
  color: var(--color-blue);
  position: relative;
}

.site-nav-list > li.is-active > a::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 12px;
  height: 2px;
  background-color: var(--color-blue);
}

/* Dropdown indicator chevron */
.site-nav-list > li.has-dropdown > a::after,
.site-nav-list > li.has-mega-menu > a::after {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  transform-origin: center;
  margin-left: 2px;
  margin-bottom: 3px;
  transition: transform var(--transition);
}

.site-nav-list > li.has-dropdown:hover > a::after,
.site-nav-list > li.has-dropdown:focus-within > a::after,
.site-nav-list > li.has-mega-menu:hover > a::after,
.site-nav-list > li.has-mega-menu:focus-within > a::after {
  transform: rotate(225deg) translate(-2px, -2px);
}

/* ==========================================================================
   DROPDOWN (Multifamily, 8 items)
   ========================================================================== */

.dropdown {
  position: absolute;
  top: 100%;
  left: -16px;
  min-width: 320px;
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--space-sm) 0;
  margin-top: -8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
}

.has-dropdown:hover .dropdown,
.has-dropdown:focus-within .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.dropdown li {
  margin: 0;
}

.dropdown a {
  display: block;
  padding: 10px var(--space-md);
  color: var(--color-gray-700);
  font-size: var(--text-body-sm);
  font-weight: var(--weight-medium);
  text-decoration: none;
  transition: background-color var(--transition), color var(--transition);
}

.dropdown a:hover,
.dropdown a:focus-visible {
  background-color: var(--color-blue-50);
  color: var(--color-navy);
  text-decoration: none;
}

/* Dropdown header item (pillar link at top of dropdown) */
.dropdown .dropdown-header > a {
  font-weight: var(--weight-bold);
  color: var(--color-navy);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-gray-200);
  margin-bottom: var(--space-xs);
}

/* ==========================================================================
   MEGA-MENU (Residential, 14 items in 4 columns)
   ========================================================================== */

.mega-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  width: 900px;
  max-width: calc(100vw - var(--space-xl));
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--space-lg) var(--space-xl);
  margin-top: -8px;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
}

.has-mega-menu:hover .mega-menu,
.has-mega-menu:focus-within .mega-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.mega-menu-header {
  border-bottom: 1px solid var(--color-gray-200);
  padding-bottom: var(--space-sm);
  margin-bottom: var(--space-md);
}

.mega-menu-header a {
  display: inline-block;
  font-weight: var(--weight-bold);
  color: var(--color-navy);
  font-size: var(--text-body);
  text-decoration: none;
}

.mega-menu-header a:hover {
  color: var(--color-blue);
  text-decoration: none;
}

.mega-menu-columns {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}

.mega-menu-column h4 {
  font-family: var(--font-body);
  font-size: var(--text-eyebrow);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-blue);
  margin-bottom: var(--space-sm);
}

.mega-menu-column ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.mega-menu-column li {
  margin-bottom: 4px;
}

.mega-menu-column a {
  display: block;
  padding: 6px 0;
  color: var(--color-gray-700);
  font-size: var(--text-body-sm);
  text-decoration: none;
  transition: color var(--transition);
}

.mega-menu-column a:hover,
.mega-menu-column a:focus-visible {
  color: var(--color-blue);
  text-decoration: none;
}

/* ==========================================================================
   MOBILE MENU TOGGLE (hamburger button)
   ========================================================================== */

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  width: 44px;
  height: 44px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.mobile-menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-white);
  border-radius: 1px;
  transition: transform var(--transition), opacity var(--transition);
}

/* Animate to X when menu is open */
body.mobile-menu-open .mobile-menu-toggle span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

body.mobile-menu-open .mobile-menu-toggle span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ==========================================================================
   MOBILE NAVIGATION (slide-in from right, full-screen overlay)
   ========================================================================== */

@media (max-width: 1023px) {
  .mobile-menu-toggle {
    display: flex;
  }

  .site-nav {
    position: fixed;
    top: 0;
    right: 0;
    width: min(360px, 85vw);
    height: 100vh;
    background-color: var(--color-navy);
    box-shadow: -8px 0 24px rgba(0, 0, 0, 0.3);
    transform: translateX(100%);
    transition: transform var(--transition);
    overflow-y: auto;
    padding: 80px var(--space-lg) var(--space-lg);
    z-index: calc(var(--z-sticky) - 1);
  }

  body.mobile-menu-open .site-nav {
    transform: translateX(0);
  }

  .site-nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
  }

  .site-nav-list > li {
    border-bottom: 1px solid var(--color-navy-600);
  }

  .site-nav-list > li > a {
    padding: var(--space-md) 0;
    font-size: var(--text-body);
    width: 100%;
    justify-content: space-between;
  }

  /* Mobile expandable dropdown and mega-menu */
  .dropdown,
  .mega-menu {
    position: static;
    transform: none;
    width: 100%;
    max-width: 100%;
    background: transparent;
    box-shadow: none;
    padding: 0 0 var(--space-md) var(--space-md);
    opacity: 1;
    visibility: visible;
    margin: 0;
    border-radius: 0;
    display: none;
  }

  .has-dropdown.is-open .dropdown,
  .has-mega-menu.is-open .mega-menu {
    display: block;
  }

  .dropdown a,
  .mega-menu-column a {
    color: var(--color-blue-100);
    padding: var(--space-sm) 0;
  }

  .dropdown a:hover,
  .mega-menu-column a:hover {
    color: var(--color-white);
    background: transparent;
  }

  .dropdown .dropdown-header > a {
    color: var(--color-white);
    border-bottom-color: var(--color-navy-600);
  }

  .mega-menu-columns {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .mega-menu-header {
    border-bottom-color: var(--color-navy-600);
  }

  .mega-menu-header a {
    color: var(--color-white);
  }

  .mega-menu-column h4 {
    color: var(--color-blue);
  }

  /* Body scroll lock when mobile menu is open */
  body.mobile-menu-open {
    overflow: hidden;
  }
}

/* ==========================================================================
   MOBILE MENU FOOTER (contact info shown at bottom of mobile slide-out)
   ========================================================================== */

.mobile-nav-footer {
  display: none;
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-navy-600);
  color: var(--color-blue-100);
  font-size: var(--text-body-sm);
}

.mobile-nav-footer a {
  color: var(--color-white);
  display: block;
  padding: var(--space-xs) 0;
}

@media (max-width: 1023px) {
  .mobile-nav-footer {
    display: block;
  }
}

/* ==========================================================================
   WORDPRESS MENU INTEGRATION
   Styles WordPress's default wp_nav_menu() output to display as dropdowns.
   WP outputs <li class="menu-item-has-children"> with <ul class="sub-menu">.
   ========================================================================== */

.site-nav-list > li.menu-item-has-children > a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.site-nav-list > li.menu-item-has-children > a::after {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  margin-left: 2px;
  margin-bottom: 3px;
  transition: transform var(--transition);
}

.site-nav-list > li.menu-item-has-children:hover > a::after,
.site-nav-list > li.menu-item-has-children:focus-within > a::after {
  transform: rotate(225deg) translate(-2px, -2px);
}

.site-nav-list > li.menu-item-has-children > .sub-menu {
  position: absolute;
  top: 100%;
  left: -16px;
  min-width: 320px;
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--space-sm) 0;
  margin: 0;
  margin-top: -8px;
  list-style: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  z-index: var(--z-dropdown);
}

.site-nav-list > li.menu-item-has-children:hover > .sub-menu,
.site-nav-list > li.menu-item-has-children:focus-within > .sub-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.site-nav-list > li.menu-item-has-children > .sub-menu > li {
  margin: 0;
  list-style: none;
}

.site-nav-list > li.menu-item-has-children > .sub-menu > li > a {
  display: block;
  padding: 10px var(--space-md);
  color: var(--color-gray-700);
  font-size: var(--text-body-sm);
  font-weight: var(--weight-medium);
  text-decoration: none;
  transition: background-color var(--transition), color var(--transition);
}

.site-nav-list > li.menu-item-has-children > .sub-menu > li > a:hover,
.site-nav-list > li.menu-item-has-children > .sub-menu > li > a:focus-visible {
  background-color: var(--color-blue-50);
  color: var(--color-navy);
  text-decoration: none;
}

@media (max-width: 1023px) {
  .site-nav-list > li.menu-item-has-children > .sub-menu {
    position: static;
    transform: none;
    width: 100%;
    background: transparent;
    box-shadow: none;
    padding: 0 0 var(--space-md) var(--space-md);
    opacity: 1;
    visibility: visible;
    margin: 0;
    border-radius: 0;
    display: none;
  }

  .site-nav-list > li.menu-item-has-children.is-open > .sub-menu {
    display: block;
  }

  .site-nav-list > li.menu-item-has-children > .sub-menu > li > a {
    color: var(--color-blue-100);
    padding: var(--space-sm) 0;
  }

  .site-nav-list > li.menu-item-has-children > .sub-menu > li > a:hover {
    color: var(--color-white);
    background: transparent;
  }
}
/* ==========================================================================
   MOBILE MENU FIXES - hide header phone/email on mobile
   ========================================================================== */

@media (max-width: 1023px) {
  .site-header a[href^="tel:"],
  .site-header a[href^="mailto:"],
  .header-contact,
  .header-actions {
    display: none !important;
  }
  
  .site-nav-list.is-open {
    width: 100%;
    max-width: 100%;
    z-index: 9999;
  }
}
