/* ============================================
   REGION 3 — MAIN NAVIGATION
   Sticky navy bar with home icon + top-level links.
   ============================================ */
.main-nav {
  background: var(--who-navy);
  position: sticky;
  top: 0;
  z-index: 100;
}
.main-nav .container {
  display: flex;
  align-items: stretch;
  padding-top: 0;
  padding-bottom: 0;
}
.main-nav .nav-home {
  display: flex;
  align-items: center;
  padding: 14px 20px 14px 0;
  color: var(--who-white);
}
.main-nav .nav-home:hover {
  color: var(--who-white);
  opacity: .85;
}
.main-nav .nav-links {
  display: flex;
  margin: 0;
  padding: 0;
  list-style: none;
  flex-wrap: wrap;
}
.main-nav .nav-item { display: flex; position: relative; }
.main-nav .nav-links > .nav-item > a {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 15px 22px;
  color: var(--who-white-90);
  font-size: 15px;
  font-weight: 500;
  white-space: nowrap;
  border-bottom: 3px solid transparent;
  line-height: 1.2;
  transition: background var(--who-transition), color var(--who-transition);
}
.main-nav .nav-links > .nav-item > a:hover {
  background: rgba(255,255,255,.1);
  color: var(--who-white);
}
.main-nav .nav-links > .nav-item.is-active > a,
.main-nav .nav-links > .nav-item > a.is-active {
  background: rgba(255,255,255,.1);
  color: var(--who-white);
  border-bottom-color: var(--who-blue);
}
/* Remove Drupal wrapper divs between .container and .nav-links from the
   layout so .nav-links becomes a true flex child of .container.
   Two levels: the region div and the block div (both rendered class-less). */
.main-nav > .container > div,
.main-nav > .container > div > div { display: contents; }

/* ---- Mega-menu dropdown panels ---- */
.nav-chevron {
  flex-shrink: 0;
  transition: transform var(--who-transition);
}
.main-nav .nav-item.is-open > a .nav-chevron {
  transform: rotate(180deg);
}
/* Force all wrappers between .nav-mega and .main-nav to position:static
   so the mega panel's containing block is .main-nav (sticky) itself. */
.main-nav .container,
.main-nav .region,
.main-nav .block,
.main-nav .block-content-container,
.main-nav .nav-item.has-mega {
  position: static !important;
}
.main-nav .nav-item.has-mega.is-open > a {
  background: rgba(255,255,255,.15);
  color: var(--who-white);
}

/* Full-width mega-menu panel — position:absolute follows the sticky nav
   naturally during scroll.  JS corrects left/width at open-time so the
   panel always matches the viewport, regardless of which containing block
   Safari picks (works around the sticky-parent bug). */
.nav-mega {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--who-navy);
  box-shadow: 0 12px 32px rgba(0,0,0,.25);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity .2s ease, transform .2s ease, visibility 0s .2s;
  z-index: 200;
}
.main-nav .nav-item.has-mega.is-open > .nav-mega {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition: opacity .2s ease, transform .2s ease;
}

/* Container inside mega panel */
.nav-mega-inner {
  max-width: var(--who-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-top: 32px;
  padding-bottom: 32px;
  padding-left: 24px;
  padding-right: 24px;
  color: var(--who-white);
  font-family: inherit;
}

/* ---- Mega-menu layout: Drupal layout sections ---- */
.nav-mega-inner .menu-dropdown { width: 100%; }

/* Base layout: flex row, full width */
.nav-mega-inner .layout {
  display: flex;
  width: 100%;
  gap: 0;
}
.nav-mega-inner .layout__region {
  min-width: 0;
  padding: 0 24px;
  border-right: 1px solid rgba(255,255,255,.12);
}
.nav-mega-inner .layout__region:first-child { padding-left: 0; }
.nav-mega-inner .layout__region:last-child { padding-right: 0; border-right: none; }

/* Fourcol layout (Health topics, About us): equal columns */
.nav-mega-inner .layout--fourcol-section > .layout__region {
  flex: 1;
}

/* Threecol 25-50-25 (Countries, Newsroom) */
.nav-mega-inner .layout--threecol-section > .layout__region--first { flex: 0 0 25%; }
.nav-mega-inner .layout--threecol-section > .layout__region--second { flex: 0 0 50%; }
.nav-mega-inner .layout--threecol-section > .layout__region--third { flex: 0 0 25%; }

/* ---- Links inside mega-menu — base reset ---- */
.nav-mega a {
  color: rgba(255,255,255,.88);
  text-decoration: none;
  transition: color var(--who-transition);
  border-bottom: none;
  font-size: .875rem;
  line-height: 1.55;
  white-space: normal;
  /* No padding here — set on specific selectors (li a, .mm-news-title) */
}
.nav-mega a:hover {
  color: var(--who-white);
}

/* ---- Section headings (h2, h3, h4) ---- */
.nav-mega h2,
.nav-mega h3,
.nav-mega h4,
.nav-mega .block-title {
  color: var(--who-white);
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 12px;
  line-height: 1.3;
  letter-spacing: .01em;
}
.nav-mega h2 a,
.nav-mega h3 a,
.nav-mega h4 a {
  color: var(--who-white);
}

/* ---- Menu link lists (ul/li) ---- */
.nav-mega ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-mega li {
  display: block;
  margin: 0;
}
.nav-mega li:has(> a[href="/multimedia"]) {
  margin-top: 10px;
}
.nav-mega li a {
  display: block;
  padding: 3px 6px;
  font-size: .9375rem;
  line-height: 1.4;
  border-radius: var(--who-radius-sm);
  transition: background var(--who-transition), color var(--who-transition);
}
.nav-mega li a:hover {
  background: var(--who-blue-mid);
  color: var(--who-white);
  text-decoration: none;
}

/* ---- "More link" + section titles ---- */
.nav-mega .more-link {
  margin-bottom: 12px;
}
.nav-mega .more-link a,
.nav-mega .mm-col-title span {
  display: block;
  font-size: 1rem;
  font-weight: 700;
  color: var(--who-white);
  padding: 0;
  line-height: 1.3;
}
.nav-mega .more-link a {
  border-radius: 0;
}
.nav-mega .more-link a:hover {
  background: none;
  text-decoration: underline;
}
.nav-mega .mm-col-title {
  margin-bottom: 12px;
}

/* ---- Popular topics list ---- */
.mm-popular-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.mm-popular-list li a {
  display: block;
  padding: 3px 6px;
  font-size: .9375rem;
  line-height: 1.4;
  color: rgba(255,255,255,.88);
  border-radius: var(--who-radius-sm);
  white-space: normal;
  transition: background var(--who-transition), color var(--who-transition);
}
.mm-popular-list li a:hover {
  background: var(--who-blue-mid);
  color: var(--who-white);
  text-decoration: none;
}

/* ---- Mega-menu 3rd column (featured publication / spotlight) ----
   Views renders the .node-title BEFORE the image at two levels of nesting:
     [js-view-dom-id] > div
       ├ div > .node-title
       └ .views-field-field-image
   The wrapper has empty class so we anchor on the predictable parent
   ([class*="js-view-dom-id"]) and reverse its single child div's order. */
.nav-mega .layout__region--fourth [class*="js-view-dom-id"] > div {
  display: flex;
  flex-direction: column-reverse;
  gap: 12px;
}
/* Image: round corners, no overflow */
.nav-mega .layout__region--fourth .views-field-field-image img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--who-radius-sm);
}
/* Title under the image */
.nav-mega .layout__region--fourth .node-title a {
  display: block;
  font-size: .9375rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--who-white);
  margin: 0;
}
.nav-mega .layout__region--fourth .node-title a:hover {
  color: var(--who-blue-65);
  text-decoration: underline;
}

/* ---- Health topic A-Z alphabet grid ---- */
.nav-mega .health-topic-alphabet-list .view-content,
.nav-mega .hta-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}
.nav-mega .hta-item {
  display: inline-block;
}
.nav-mega .hta-item a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  font-size: .8125rem;
  font-weight: 700;
  color: var(--who-white);
  border: 1px solid rgba(255,255,255,.35);
  border-radius: var(--who-radius-sm);
  text-decoration: none;
  transition: background var(--who-transition), border-color var(--who-transition);
}
.nav-mega .hta-item a:hover {
  background: rgba(255,255,255,.15);
  border-color: var(--who-white-70);
  text-decoration: none;
}
/* Letter buttons: override generic li a hover shift */
.nav-mega li.hta-item a,
.nav-mega li.hta-item a:hover {
  padding: 0;
}

/* ---- Structured news list (mm-news-list) ---- */
.mm-news-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.mm-news-item {
  display: flex;
  flex-direction: column;
}
.nav-mega .mm-news-title {
  display: block;
  padding: 6px 8px 5px;
  font-size: .9375rem;
  font-weight: 500;
  line-height: 1.45;
  color: var(--who-white-90);
  text-decoration: none;
  border-radius: var(--who-radius-sm);
  transition: background var(--who-transition), color var(--who-transition);
  white-space: normal;
}
.nav-mega .mm-news-title:hover {
  background: var(--who-blue-mid);
  color: var(--who-white);
  text-decoration: none;
}
.nav-mega .mm-news-meta {
  padding: 2px 8px 8px;
  font-size: .75rem;
  color: var(--who-white-50);
  line-height: 1.4;
}
/* In the spotlight body, meta aligns flush with the title (no extra left padding) */
.mm-spotlight-body .mm-news-meta {
  padding-left: 0;
  padding-right: 0;
}
.mm-news-date,
.mm-news-sep,
.mm-news-cat {
  font-size: inherit;
  color: inherit;
}

/* ---- Legacy news items inside mega-menu (fallback) ---- */
.nav-mega .views-field-title a {
  font-size: .875rem;
  line-height: 1.55;
}
.nav-mega .views-field-field-date,
.nav-mega .news-date {
  font-size: .75rem;
  color: var(--who-white-50);
  margin-top: 2px;
  margin-bottom: 10px;
}

/* ---- Spotlight / featured image column ---- */
.nav-mega img {
  max-width: 100%;
  height: auto;
  border-radius: var(--who-radius-sm);
  margin-top: 8px;
}
.nav-mega .spotlight-caption {
  font-size: .75rem;
  color: var(--who-white-70);
  margin-top: 6px;
  line-height: 1.4;
}
/* Country badge on spotlight image — top-right */
.mm-spotlight-country {
  position: absolute;
  top: 16px;
  right: 8px;
  display: inline-block;
  padding: 3px 10px;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--who-navy);
  background: var(--who-gold);
  border-radius: var(--who-radius-sm);
  line-height: 1.5;
  pointer-events: none;
}

/* Structured spotlight block (mm-spotlight) */
.mm-spotlight {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.mm-spotlight-img-link {
  position: relative;
  display: block;
  border-radius: var(--who-radius-sm);
  overflow: hidden;
  line-height: 0;
}
.mm-spotlight-img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  border-radius: var(--who-radius-sm);
  margin: 0;
  transition: opacity var(--who-transition);
}
.mm-spotlight-img-link:hover .mm-spotlight-img {
  opacity: .88;
}
.mm-spotlight-body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 5px;
}
.mm-spotlight-title {
  font-size: .9375rem;
  font-weight: 600;
  line-height: 1.45;
  color: var(--who-white);
  text-decoration: none;
  display: block;
}
.mm-spotlight-title:hover {
  color: var(--who-white);
  text-decoration: underline;
}

/* ---- Drupal wrappers: neutralize ---- */
.nav-mega .views-element-container,
.nav-mega .block,
.nav-mega .block-content-container {
  min-width: 0;
}

/* Mega-menu overlay (dims the page behind the panel) */
.nav-mega-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,.35);
  z-index: 99;
  opacity: 0;
  visibility: hidden;
  transition: opacity .2s ease, visibility 0s .2s;
}
.nav-mega-overlay.is-visible {
  opacity: 1;
  visibility: visible;
  transition: opacity .2s ease;
}

/* ---- Burger button (hidden on desktop) ---- */
.nav-burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 12px;
  margin-left: auto;
  border-radius: var(--who-radius-sm);
  transition: background .2s ease;
}
.nav-burger:hover,
.nav-burger:focus-visible {
  background: rgba(255,255,255,.1);
  outline: none;
}
.nav-burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--who-white);
  border-radius: 2px;
  transition: transform .3s ease, opacity .2s ease;
  transform-origin: center;
}
/* Animate burger → X when open */
.main-nav.is-mobile-open .nav-burger span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.main-nav.is-mobile-open .nav-burger span:nth-child(2) {
  opacity: 0;
}
.main-nav.is-mobile-open .nav-burger span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---- Mobile navigation (≤ 991px) ---- */
@media (max-width: 991px) {
  .nav-burger { display: flex; }

  /* Reinforce: Drupal wrapper divs between .container and .nav-links
     must stay layout-transparent on mobile too. */
  .main-nav > .container > div,
  .main-nav > .container > div > div {
    display: contents !important;
  }

  /* Lock body scroll when menu is open */
  body.nav-open { overflow: hidden; }

  /* Container wraps: home + burger on row 1, nav-links on row 2 */
  .main-nav .container { flex-wrap: wrap; }

  /* ── Link panel — full viewport width ── */
  .main-nav .nav-links {
    display: none;
    flex-direction: column;
    /* Break out of .container padding to span full viewport width */
    width: calc(100% + 48px);
    margin-left: -24px;
    margin-right: -24px;
    max-height: calc(100vh - 52px);
    max-height: calc(100dvh - 52px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    background: var(--who-navy);
    border-top: 1px solid rgba(255,255,255,.15);
    box-shadow: inset 0 2px 6px rgba(0,0,0,.2);
    padding: 0;
  }
  .main-nav.is-mobile-open .nav-links {
    display: flex;
  }

  /* ── Top-level items ── */
  .main-nav .nav-item {
    flex-direction: column;
  }
  .main-nav .nav-links > .nav-item > a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 24px;
    font-size: 15px;
    font-weight: 600;
    letter-spacing: .01em;
    color: var(--who-white);
    white-space: normal;
    border-bottom: 1px solid rgba(255,255,255,.08);
    transition: background .15s ease;
  }
  .main-nav .nav-links > .nav-item:last-child > a {
    border-bottom: none;
  }
  .main-nav .nav-links > .nav-item > a:hover,
  .main-nav .nav-links > .nav-item > a:active {
    background: rgba(255,255,255,.07);
  }
  .main-nav .nav-links > .nav-item.is-active > a {
    background: rgba(255,255,255,.05);
    padding-left: 24px;
  }

  /* Chevron */
  .main-nav .nav-chevron {
    width: 14px;
    height: 14px;
    transition: transform .3s ease;
    flex-shrink: 0;
    opacity: .5;
  }
  .main-nav .nav-item.is-open > a .nav-chevron {
    transform: rotate(180deg);
    opacity: 1;
  }
  .main-nav .nav-item.has-mega.is-open > a {
    background: rgba(255,255,255,.1);
  }

  /* ── Mega panels: accordion ── */
  .main-nav .nav-mega {
    display: none !important;
    position: static !important;
    width: 100% !important;
    left: auto !important;
    right: auto !important;
    opacity: 1;
    visibility: visible;
    box-shadow: none;
    transform: none !important;
    background: rgba(0, 20, 50, .35);
  }
  .main-nav .nav-item.has-mega.is-open > .nav-mega {
    display: block !important;
    transform: none !important;
  }

  /* Mega inner — stacked rows, full width */
  .nav-mega-inner {
    padding: 12px 24px 16px;
  }
  .nav-mega-inner .layout {
    flex-direction: column;
    gap: 0;
  }
  .nav-mega-inner .layout__region {
    flex: none !important;
    width: 100% !important;
    border-right: none;
    border-bottom: 1px solid rgba(255,255,255,.08);
    padding: 12px 0;
  }
  .nav-mega-inner .layout__region:first-child { padding-top: 0; }
  .nav-mega-inner .layout__region:last-child  { padding-bottom: 0; border-bottom: none; }

  /* Headings inside mega */
  .nav-mega h2,
  .nav-mega h3,
  .nav-mega h4,
  .nav-mega .block-title,
  .nav-mega .more-link a,
  .nav-mega .mm-col-title span {
    font-size: .875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .04em;
    margin-bottom: 6px;
    padding-bottom: 5px;
    border-bottom: 1px solid rgba(255,255,255,.12);
    color: rgba(255,255,255,.7);
  }

  /* Links inside mega */
  .nav-mega li a,
  .mm-popular-list li a {
    padding: 7px 10px;
    font-size: .875rem;
  }

  /* Grids inside mega: single column / compact */
  .nav-mega-inner .mm-news-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .nav-mega .hta-grid {
    grid-template-columns: repeat(auto-fill, minmax(36px, 1fr));
    gap: 6px;
  }
  .nav-mega .health-topic-alphabet-list .view-content {
    gap: 6px;
  }
  /* Force any remaining multi-column layout inside mega to single column */
  .nav-mega .mm-news-list,
  .nav-mega .footer-menu,
  .nav-mega ul {
    columns: 1 !important;
  }
}

/* Neutralize Drupal's anonymous block wrapper divs inside the main region.
   The block template overrides emit `{{ content }}` directly, but Drupal's
   render pipeline still wraps each block's content in a bare <div>. We make
   those divs invisible in the layout flow so our <section>s can be direct
   children of <main>. */
#main-content > div,
#main-content > div > div { display: contents; }