/**
 * U Hla Tun (Cancer) Hospice Foundation Myanmar
 * Modern Semantic Header & Navigation Stylesheet
 * Fully Decoupled from Legacy WordPress / Divi Themes
 * Version 2.1
 */

:root {
  --header-desktop-height: 70px;
  --header-scrolled-height: 56px;
  --header-mobile-height: 64px;
  --header-max-width: 1200px;
  --color-header-bg: #ffffff;
  --color-header-text: #333333;
  --color-header-accent: #2ea3f2;
  --color-header-accent-hover: #166fe5;
  --color-header-border: rgba(0, 0, 0, 0.08);
  --color-header-subtle-bg: #f8f9fa;
  --shadow-header-fixed: 0 1px 0 rgba(0, 0, 0, 0.08);
  --shadow-header-scrolled: 0 2px 10px rgba(0, 0, 0, 0.08);
  --shadow-header-dropdown: 0 8px 24px rgba(0, 0, 0, 0.12);
  --font-header-primary: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

/* ==========================================================================
   1. Base Header Container (#main-header.site-header)
   ========================================================================== */
header.site-header,
#main-header.site-header {
  position: fixed !important;
  top: 0 !important;
  left: 50% !important;
  transform: translateX(-50%) !important;
  width: 90% !important;
  max-width: var(--header-max-width) !important;
  height: var(--header-desktop-height) !important;
  background-color: var(--color-header-bg) !important;
  border-bottom: 1px solid var(--color-header-border) !important;
  box-shadow: var(--shadow-header-fixed) !important;
  z-index: 999999 !important;
  margin: 0 !important;
  padding: 0 !important;
  box-sizing: border-box !important;
  transition: height 0.25s ease, box-shadow 0.25s ease, background-color 0.25s ease !important;
}

/* Dynamic Scroll Compression (> 40px) */
header.site-header.header-scrolled,
#main-header.site-header.header-scrolled {
  height: var(--header-scrolled-height) !important;
  box-shadow: var(--shadow-header-scrolled) !important;
}

/* Inner Centered Flex Wrapper */
.site-header-inner {
  width: 100% !important;
  height: 100% !important;
  margin: 0 auto !important;
  padding: 0 24px !important;
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  box-sizing: border-box !important;
}

/* ==========================================================================
   2. Brand Logo Link & Image
   ========================================================================== */
.site-logo-link {
  display: flex !important;
  align-items: center !important;
  height: 100% !important;
  text-decoration: none !important;
  outline: none !important;
  flex-shrink: 0 !important;
}

.site-logo-img {
  height: 44px !important;
  max-height: 44px !important;
  width: auto !important;
  max-width: none !important;
  object-fit: contain !important;
  display: block !important;
  border: none !important;
  transition: height 0.25s ease, max-height 0.25s ease !important;
}

header.site-header.header-scrolled .site-logo-img {
  height: 34px !important;
  max-height: 34px !important;
}

/* ==========================================================================
   3. Desktop Navigation (Screen Width ≥ 981px)
   ========================================================================== */
@media only screen and (min-width: 981px) {
  .site-desktop-nav {
    display: flex !important;
    align-items: center !important;
    height: 100% !important;
    margin-left: auto !important;
  }

  .site-nav-list {
    display: flex !important;
    align-items: center !important;
    height: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
    list-style: none !important;
  }

  .site-nav-item {
    position: relative !important;
    height: 100% !important;
    display: flex !important;
    align-items: center !important;
    margin: 0 0 0 24px !important;
    padding: 0 !important;
  }

  .site-nav-link {
    display: flex !important;
    align-items: center !important;
    height: 100% !important;
    font-family: var(--font-header-primary) !important;
    font-size: 14px !important;
    font-weight: 600 !important;
    color: var(--color-header-text) !important;
    text-decoration: none !important;
    letter-spacing: 0.3px !important;
    padding: 0 4px !important;
    white-space: nowrap !important;
    transition: color 0.2s ease !important;
  }

  .site-nav-link:hover,
  .site-nav-item.active > .site-nav-link,
  .site-nav-item:hover > .site-nav-link {
    color: var(--color-header-accent) !important;
  }

  .dropdown-icon {
    margin-left: 5px !important;
    transition: transform 0.2s ease !important;
  }

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

  /* Desktop Sub-Menu Dropdown (Anchored directly beneath header at top: 100%) */
  .site-dropdown-menu {
    position: absolute !important;
    top: 100% !important;
    left: 0 !important;
    min-width: 230px !important;
    background-color: var(--color-header-bg) !important;
    border: 1px solid var(--color-header-border) !important;
    border-top: 3px solid var(--color-header-accent) !important;
    border-radius: 0 0 6px 6px !important;
    box-shadow: var(--shadow-header-dropdown) !important;
    padding: 8px 0 !important;
    margin: 0 !important;
    list-style: none !important;
    display: block !important;
    opacity: 0 !important;
    visibility: hidden !important;
    transform: translateY(6px) !important;
    pointer-events: none !important;
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease !important;
    z-index: 1000000 !important;
  }

  .site-nav-item:hover .site-dropdown-menu,
  .site-nav-item:focus-within .site-dropdown-menu {
    opacity: 1 !important;
    visibility: visible !important;
    transform: translateY(0) !important;
    pointer-events: auto !important;
  }

  .site-dropdown-menu li {
    margin: 0 !important;
    padding: 0 !important;
    width: 100% !important;
  }

  .site-dropdown-menu li a {
    display: block !important;
    padding: 10px 20px !important;
    font-family: var(--font-header-primary) !important;
    font-size: 13px !important;
    font-weight: 500 !important;
    color: var(--color-header-text) !important;
    text-decoration: none !important;
    line-height: 1.4 !important;
    transition: background-color 0.2s ease, color 0.2s ease !important;
  }

  .site-dropdown-menu li a:hover,
  .site-dropdown-menu li.active a {
    background-color: var(--color-header-subtle-bg) !important;
    color: var(--color-header-accent) !important;
  }

  /* Strictly Hide Mobile Elements on Desktop */
  .site-mobile-toggle,
  .site-mobile-drawer {
    display: none !important;
    visibility: hidden !important;
  }
}

/* Intermediate Desktop Spacing (981px – 1150px) */
@media only screen and (min-width: 981px) and (max-width: 1150px) {
  .site-nav-item {
    margin-left: 14px !important;
  }
  .site-nav-link {
    font-size: 13.5px !important;
  }
}

/* ==========================================================================
   4. Mobile Navigation (Screen Width ≤ 980px)
   ========================================================================== */
@media only screen and (max-width: 980px) {
  header.site-header,
  #main-header.site-header {
    height: var(--header-mobile-height) !important;
    left: 50% !important;
    transform: translateX(-50%) !important;
    width: 95% !important;
    max-width: 100% !important;
    overflow: visible !important;
  }

  .site-header-inner {
    width: 100% !important;
    padding: 0 16px !important;
  }

  .site-logo-img {
    height: 42px !important;
    max-height: 42px !important;
    max-width: none !important;
    width: auto !important;
  }

  /* Strictly Hide Desktop Navigation on Mobile */
  .site-desktop-nav {
    display: none !important;
    visibility: hidden !important;
  }

  /* Modern 3-Bar Hamburger Toggle Button */
  .site-mobile-toggle {
    display: flex !important;
    flex-direction: column !important;
    justify-content: space-around !important;
    align-items: center !important;
    width: 38px !important;
    height: 38px !important;
    padding: 8px 6px !important;
    margin-left: auto !important;
    background: transparent !important;
    border: none !important;
    cursor: pointer !important;
    box-sizing: border-box !important;
    outline: none !important;
    z-index: 1000001 !important;
  }

  .hamburger-bar {
    display: block !important;
    width: 24px !important;
    height: 2.5px !important;
    background-color: var(--color-header-text) !important;
    border-radius: 2px !important;
    transition: transform 0.25s ease, opacity 0.25s ease, background-color 0.2s ease !important;
  }

  .site-mobile-toggle:hover .hamburger-bar {
    background-color: var(--color-header-accent) !important;
  }

  /* Hamburger Animates to 'X' When Drawer is Open */
  header.site-header.drawer-open .hamburger-bar:nth-child(1) {
    transform: translateY(7.5px) rotate(45deg) !important;
    background-color: var(--color-header-accent) !important;
  }
  header.site-header.drawer-open .hamburger-bar:nth-child(2) {
    opacity: 0 !important;
    transform: scaleX(0) !important;
  }
  header.site-header.drawer-open .hamburger-bar:nth-child(3) {
    transform: translateY(-7.5px) rotate(-45deg) !important;
    background-color: var(--color-header-accent) !important;
  }

  /* Mobile Slide-Down Accordion Drawer */
  .site-mobile-drawer {
    display: none !important;
    position: absolute !important;
    top: var(--header-mobile-height) !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
    background-color: var(--color-header-bg) !important;
    border-top: 3px solid var(--color-header-accent) !important;
    border-bottom: 1px solid var(--color-header-border) !important;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.14) !important;
    max-height: calc(100vh - var(--header-mobile-height)) !important;
    overflow-y: auto !important;
    box-sizing: border-box !important;
    padding: 8px 0 16px 0 !important;
    z-index: 999998 !important;
  }

  header.site-header.drawer-open .site-mobile-drawer {
    display: block !important;
    animation: drawerSlideDown 0.25s ease forwards !important;
  }

  @keyframes drawerSlideDown {
    from {
      opacity: 0;
      transform: translateY(-8px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .site-mobile-list {
    list-style: none !important;
    margin: 0 !important;
    padding: 0 !important;
    width: 100% !important;
  }

  .site-mobile-item {
    width: 100% !important;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05) !important;
  }

  .site-mobile-item:last-child {
    border-bottom: none !important;
  }

  .site-mobile-link {
    display: block !important;
    padding: 13px 24px !important;
    font-family: var(--font-header-primary) !important;
    font-size: 14.5px !important;
    font-weight: 600 !important;
    color: var(--color-header-text) !important;
    text-decoration: none !important;
    transition: background-color 0.2s ease, color 0.2s ease !important;
  }

  .site-mobile-link:hover,
  .site-mobile-item.active > .site-mobile-link {
    color: var(--color-header-accent) !important;
    background-color: var(--color-header-subtle-bg) !important;
  }

  /* Mobile Subitems (Activities Accordion) */
  .site-mobile-item.has-subitems .mobile-subitems-header {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
  }

  .site-mobile-sublist {
    list-style: none !important;
    margin: 0 !important;
    padding: 0 0 6px 0 !important;
    background-color: #fafbfc !important;
    border-top: 1px solid rgba(0, 0, 0, 0.04) !important;
  }

  .site-mobile-sublist li a {
    display: block !important;
    padding: 10px 24px 10px 40px !important;
    font-family: var(--font-header-primary) !important;
    font-size: 13.5px !important;
    font-weight: 500 !important;
    color: #555555 !important;
    text-decoration: none !important;
    transition: color 0.2s ease, background-color 0.2s ease !important;
  }

  .site-mobile-sublist li a:hover,
  .site-mobile-sublist li.active a {
    color: var(--color-header-accent) !important;
    background-color: #f1f4f8 !important;
  }
}

@media only screen and (max-width: 767px) {
  header.site-header,
  #main-header.site-header {
    width: 100% !important;
    left: 0 !important;
    transform: none !important;
  }
}