/* ============================================================
   AIA Medical Research Module — adapted from the News module mockup
   Colors: #1a4a5e (dark blue), #0087a5 (teal), white cards
   Fonts: Open Sans (EN) + Cairo (AR)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@400;600;700&family=Open+Sans:wght@400;600;700&display=swap');

:root {
  --air-navy:        #1a4a5e;
  --air-teal:        #0087a5;
  --air-teal-hover:  #1a4a5e;
  --air-text:        #333;
  --air-muted:       #555;
  --air-date-color:  #888;
  --air-bg:          #f4f7f6;
  --air-card-bg:     #fff;
  --air-border:      #e2ecef;
  --air-radius:      12px;
  --air-shadow:      0 4px 15px rgba(0,0,0,.06);
  --air-shadow-hover:0 12px 25px rgba(0,0,0,.12);
  --fn-en:           'Open Sans', system-ui, sans-serif;
  --fn-ar:           'Cairo', 'Open Sans', system-ui, sans-serif;
}

/* ── module wrap ───────────────────────────────────────────── */
.air-research-module {
  background: var(--air-bg);
  padding: 0 0 60px;
  font-family: var(--fn-en);
  color: var(--air-text);
}

[dir="rtl"].air-research-module,
[dir="rtl"] .air-research-module {
  font-family: var(--fn-ar);
}

/* ── header ────────────────────────────────────────────────── */
.air-header {
  padding: 40px 40px 28px;
}

.air-eyebrow {
  display: block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--air-teal);
  margin-bottom: 6px;
}

.air-heading {
  font-size: clamp(26px, 3.5vw, 38px);
  font-weight: 700;
  color: var(--air-navy);
  margin: 0 0 6px;
  line-height: 1.2;
  position: relative;
  padding-bottom: 16px;
}

.air-heading::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 48px; height: 3px;
  background: var(--air-teal);
  border-radius: 2px;
}

[dir="rtl"] .air-heading::after { left: auto; right: 0; }

/* ── grid ──────────────────────────────────────────────────── */
.air-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  padding: 0 40px;
}

@media (max-width: 960px) { .air-grid { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 580px) { .air-grid { grid-template-columns: 1fr; padding: 0 20px; } }

/* ── card ──────────────────────────────────────────────────── */
.air-card {
  background: var(--air-card-bg);
  border-radius: var(--air-radius);
  overflow: hidden;
  box-shadow: var(--air-shadow);
  display: flex;
  flex-direction: column;
  transition: transform .3s ease, box-shadow .3s ease;
  animation: air-up .4s ease both;
}

.air-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--air-shadow-hover);
}

@keyframes air-up {
  from { opacity:0; transform:translateY(20px); }
  to   { opacity:1; transform:translateY(0); }
}

/* ── card image ────────────────────────────────────────────── */
.air-card-img {
  width: 100%;
  height: 220px;
  overflow: hidden;
  background: linear-gradient(135deg, #eef7f9, #dcedf1);
  flex-shrink: 0;
  display: block;
  text-decoration: none;
  position: relative;
}

/*
 * Research images are usually dense scientific diagrams/charts rather than
 * lifestyle photos — object-fit:cover crops straight through chart labels,
 * so the whole figure stays visible via "contain" with a soft backdrop and
 * a little breathing room instead.
 */
.air-card-img img {
  width: 100%;
  height: 100%;
  box-sizing: border-box;
  object-fit: contain;
  padding: 10px;
  display: block;
  transition: transform .4s ease;
}

.air-card:hover .air-card-img img { transform: scale(1.05); }

.air-card-img-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #e8f4f7, #cce8ee);
  font-size: 56px;
  opacity: .5;
}

/* badges */
.air-card-badges {
  position: absolute;
  top: 10px;
  right: 10px;
  display: flex;
  flex-direction: column;
  gap: 5px;
  z-index: 2;
}

[dir="rtl"] .air-card-badges { right: auto; left: 10px; }

.air-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 10.5px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 20px;
  color: #fff;
  backdrop-filter: blur(4px);
}

.air-badge.gallery { background: rgba(0,135,165,.85); }
.air-badge.video   { background: rgba(210,45,55,.85); }

/* ── card body ─────────────────────────────────────────────── */
.air-card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

[dir="rtl"] .air-card-body { text-align: right; direction: rtl; }

.air-card-date {
  font-size: .85rem;
  color: var(--air-date-color);
  font-weight: 600;
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: .5px;
}

.air-card-title {
  font-size: 1.2rem;
  color: var(--air-navy);
  margin: 0 0 12px;
  line-height: 1.4;
  font-weight: 700;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.air-card-title a {
  color: inherit;
  text-decoration: none;
  transition: color .2s;
}

.air-card-title a:hover { color: var(--air-teal); }

.air-card-excerpt {
  font-size: .95rem;
  color: var(--air-muted);
  line-height: 1.6;
  margin-bottom: 24px;
  flex-grow: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ── card source line ─────────────────────────────────────── */
.air-card-source {
  font-size: .82rem;
  color: var(--air-muted);
  margin: -8px 0 18px;
  padding: 8px 12px;
  background: #f7fbfc;
  border-inline-start: 3px solid var(--air-teal);
  border-radius: 4px;
  line-height: 1.4;
}

.air-card-source-lbl {
  font-weight: 700;
  color: var(--air-navy);
  margin-inline-end: 4px;
}

/* ── button ────────────────────────────────────────────────── */
.air-btn {
  display: inline-block;
  padding: 10px 24px;
  background: var(--air-teal);
  color: #fff;
  text-decoration: none;
  border-radius: 30px;
  font-weight: 600;
  font-size: .9rem;
  align-self: flex-start;
  transition: background .25s ease;
  letter-spacing: .02em;
  border: none;
  cursor: pointer;
}

.air-btn:hover { background: var(--air-teal-hover); color: #fff; }

[dir="rtl"] .air-btn { align-self: flex-end; }

/* ── skeleton ──────────────────────────────────────────────── */
.air-skeleton .air-card-img.air-skel-box,
.air-skel-line {
  background: linear-gradient(90deg,#e5eff2 25%,#f2f8fa 50%,#e5eff2 75%);
  background-size: 200% 100%;
  animation: air-sh 1.4s infinite;
  border-radius: 6px;
}

.air-skel-line { height: 13px; margin-bottom: 9px; }
.air-skel-line.w35 { width:35%; }
.air-skel-line.w90 { width:90%; }
.air-skel-line.w65 { width:65%; }

@keyframes air-sh { 0%{background-position:200% 0} 100%{background-position:-200% 0} }

/* Ensure [hidden] always wins over display:flex on our elements */
.air-loader[hidden],
.air-end[hidden] {
  display: none !important;
}

/* ── loader ────────────────────────────────────────────────── */
.air-loader {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 48px 0;
  color: var(--air-date-color);
  font-size: 13px;
}

.air-spinner {
  width: 32px; height: 32px;
  border: 3px solid #cde8ee;
  border-top-color: var(--air-teal);
  border-radius: 50%;
  animation: air-spin .65s linear infinite;
}

@keyframes air-spin { to { transform: rotate(360deg); } }

/* ── end of posts ──────────────────────────────────────────── */
.air-end {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 40px 40px 0;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: #aaa;
}

.air-end-line { flex: 1; border: none; border-top: 1px solid var(--air-border); margin: 0; }

.air-sentinel { height: 60px; }

/* ── error ─────────────────────────────────────────────────── */
.air-error-msg {
  grid-column: 1/-1;
  text-align: center;
  padding: 48px 24px;
  color: #999;
  font-size: 14px;
  background: #f8fbfc;
  border-radius: var(--air-radius);
  border: 1px dashed var(--air-border);
}

@media(max-width:580px){
  .air-header { padding: 28px 20px 20px; }
  .air-end         { padding: 32px 20px 0; }
}

/* ============================================================
   SINGLE NEWS PAGE
   ============================================================ */

.air-single-research {
  font-family: var(--fn-en);
  color: var(--air-text);
  background: #fff;
  min-height: 100vh;
}

[dir="rtl"] .air-single-research { direction: rtl; font-family: var(--fn-ar); }

.air-single-wrap {
  max-width: 860px;
  margin: 0 auto;
  padding: 48px 40px 80px;
}

@media(max-width:640px){ .air-single-wrap { padding: 28px 18px 60px; } }

/* top bar: back + date */
.air-single-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}

[dir="rtl"] .air-single-topbar { flex-direction: row-reverse; }

.air-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--air-teal);
  text-decoration: none;
  border: 1.5px solid var(--air-teal);
  padding: 7px 16px;
  border-radius: 30px;
  transition: all .25s;
}

.air-back:hover { background: var(--air-teal); color: #fff; }

.air-single-date {
  font-size: 13px;
  font-weight: 600;
  color: var(--air-date-color);
  text-transform: uppercase;
  letter-spacing: .05em;
}

/* title */
.air-single-title {
  font-size: clamp(22px, 3.5vw, 38px);
  font-weight: 700;
  color: var(--air-navy);
  line-height: 1.3;
  margin: 0 0 28px;
  padding-bottom: 20px;
  border-bottom: 2px solid #e2ecef;
  position: relative;
}

.air-single-title::after {
  content:'';
  position:absolute;
  bottom:-2px; left:0;
  width:48px; height:2px;
  background:var(--air-teal);
}

[dir="rtl"] .air-single-title::after { left:auto; right:0; }

/* hero image — below title */
.air-single-hero-img {
  width: 100%;
  max-height: 500px;
  object-fit: cover;
  object-position: center 30%;
  border-radius: var(--air-radius);
  display: block;
  margin-bottom: 32px;
  box-shadow: 0 6px 24px rgba(0,0,0,.1);
}

/* body */
.air-single-body {
  font-size: 16px;
  line-height: 1.85;
  color: var(--air-muted);
  margin-bottom: 48px;
}

.air-single-body p   { margin-bottom: 1.3em; }
.air-single-body h2,
.air-single-body h3  { color: var(--air-navy); font-weight: 700; margin: 1.8em 0 .5em; }
.air-single-body a   { color: var(--air-teal); }
.air-single-body img { max-width: 100%; border-radius: 8px; }

/* section headings */
.air-sec-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--air-navy);
  margin: 0 0 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--air-border);
}

.air-sec-title::before {
  content:'';
  width:4px; height:20px;
  background: var(--air-teal);
  border-radius: 2px;
  display:inline-block;
  flex-shrink:0;
}

/* gallery */
.air-single-gallery { margin-bottom: 48px; }

.air-gal-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 10px;
  position: relative; /* contains .air-gal-hidden absolute items */
}

.air-gal-item {
  display:block;
  aspect-ratio: 4/3;
  border-radius: 8px;
  overflow:hidden;
  border:1px solid var(--air-border);
  position:relative;
  transition: transform .25s, box-shadow .25s;
}

.air-gal-item:hover { transform:scale(1.04); box-shadow:0 6px 20px rgba(0,0,0,.12); }

.air-gal-item img { width:100%; height:100%; object-fit:cover; display:block; transition:transform .35s; }
.air-gal-item:hover img { transform:scale(1.07); }

.air-gal-zoom {
  position:absolute; inset:0;
  display:flex; align-items:center; justify-content:center;
  font-size:24px; opacity:0;
  background:rgba(26,74,94,0);
  transition: all .25s;
  pointer-events: none;
}

.air-gal-item:hover .air-gal-zoom { opacity:1; background:rgba(26,74,94,.38); }

/* videos */
.air-single-videos { margin-bottom: 48px; }

.air-vid-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px,1fr));
  gap: 18px;
}

.air-vid-wrap {
  position:relative; padding-bottom:56.25%; height:0;
  border-radius:8px; overflow:hidden;
  border:1px solid var(--air-border);
}

.air-vid-wrap iframe { position:absolute; inset:0; width:100%; height:100%; border:none; }

/* ── single page source block ──────────────────────────────── */
.air-single-source {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding: 16px 20px;
  background: linear-gradient(135deg, #f7fbfc 0%, #eaf5f7 100%);
  border-inline-start: 4px solid var(--air-teal);
  border-radius: 8px;
  margin: 32px 0 0;
  font-size: 14px;
}

.air-source-lbl {
  font-weight: 700;
  color: var(--air-navy);
  text-transform: uppercase;
  letter-spacing: .05em;
  font-size: 12px;
}

.air-source-link {
  color: var(--air-teal);
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: color .2s;
}

.air-source-link:hover {
  color: var(--air-navy);
  text-decoration: underline;
}

.air-source-icon {
  font-size: 12px;
  opacity: .7;
}

.air-source-text {
  color: var(--air-muted);
  font-weight: 600;
}

[dir="rtl"] .air-single-source { direction: rtl; }

/* share */
.air-share {
  display:flex; align-items:center; gap:12px;
  padding-top:24px;
  border-top:1px solid var(--air-border);
  margin-top:40px;
}

[dir="rtl"] .air-share { flex-direction:row-reverse; }

.air-share-lbl {
  font-size:11px; font-weight:700;
  color:#aaa; text-transform:uppercase; letter-spacing:.1em;
}

.air-share-btn {
  width:36px; height:36px;
  border-radius:8px;
  border:1.5px solid var(--air-border);
  display:flex; align-items:center; justify-content:center;
  text-decoration:none;
  transition: all .22s;
  background:#fff;
}

.air-share-btn svg { width:16px; height:16px; }
.air-share-btn.fb { color:#1877f2; }
.air-share-btn.tw { color:#111; }
.air-share-btn.wa { color:#25d366; }

.air-share-btn:hover { transform:translateY(-3px); }
.air-share-btn.fb:hover { background:#1877f2; color:#fff; border-color:#1877f2; }
.air-share-btn.tw:hover { background:#111;    color:#fff; border-color:#111; }
.air-share-btn.wa:hover { background:#25d366; color:#fff; border-color:#25d366; }

@media(max-width:640px){
  .air-vid-grid  { grid-template-columns:1fr; }
  .air-gal-grid  { grid-template-columns:repeat(2,1fr); }
}

/* ============================================================
   SEARCH + FILTER TOOLBAR
   ============================================================ */

.air-toolbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 40px 28px;
  flex-wrap: wrap;
}

@media(max-width:580px){ .air-toolbar { padding: 0 20px 20px; gap: 10px; } }

.air-search-wrap {
  position: relative;
  flex: 1;
  min-width: 200px;
  max-width: 360px;
}

.air-search-icon {
  position: absolute;
  top: 50%; left: 14px;
  transform: translateY(-50%);
  width: 16px; height: 16px;
  /* SVG baked in as data URI — immune to theme svg{width:100%} rules */
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23aaaaaa' stroke-width='2'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'/%3E%3C/svg%3E") center/16px 16px no-repeat;
  pointer-events: none;
  display: block;
  flex-shrink: 0;
}

[dir="rtl"] .air-search-icon { left: auto; right: 14px; }

.air-search-input {
  width: 100%;
  padding: 10px 36px 10px 40px;
  border: 1.5px solid var(--air-border);
  border-radius: 30px;
  font-size: 14px;
  font-family: inherit;
  background: #fff;
  color: var(--air-text);
  outline: none;
  transition: border-color .2s, box-shadow .2s;
  -webkit-appearance: none;
}

[dir="rtl"] .air-search-input { padding: 10px 40px 10px 36px; }

.air-search-input:focus {
  border-color: var(--air-teal);
  box-shadow: 0 0 0 3px rgba(0,135,165,.12);
}

.air-search-clear {
  position: absolute;
  top: 50%; right: 12px;
  transform: translateY(-50%);
  background: none;
  border: none;
  font-size: 13px;
  color: #aaa;
  cursor: pointer;
  padding: 2px 4px;
  line-height: 1;
  transition: color .2s;
}

.air-search-clear:hover { color: var(--air-navy); }
[dir="rtl"] .air-search-clear { right: auto; left: 12px; }

.air-cat-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.air-cat-tab {
  padding: 8px 18px;
  border: 1.5px solid var(--air-border);
  border-radius: 30px;
  background: #fff;
  color: var(--air-navy);
  font-size: 13px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all .2s;
  white-space: nowrap;
}

.air-cat-tab:hover  { border-color: var(--air-teal); color: var(--air-teal); }
.air-cat-tab.active { background: var(--air-teal); border-color: var(--air-teal); color: #fff; }

/* ============================================================
   FEATURED HERO CARD
   ============================================================ */

.air-featured-hero {
  padding: 0 40px 32px;
}

@media(max-width:580px){ .air-featured-hero { padding: 0 20px 24px; } }

.air-hero-card {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  border-radius: 16px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 8px 32px rgba(26,74,94,.13);
  min-height: 340px;
  transition: box-shadow .3s, transform .3s;
  text-decoration: none;
  color: inherit;
}

.air-hero-card:hover {
  box-shadow: 0 20px 52px rgba(26,74,94,.18);
  transform: translateY(-4px);
}

@media(max-width:760px){
  .air-hero-card { grid-template-columns: 1fr; min-height: auto; }
}

.air-hero-img {
  position: relative;
  overflow: hidden;
  min-height: 300px;
  display: block;
  text-decoration: none;
}

@media(max-width:760px){ .air-hero-img { min-height: 220px; } }

.air-hero-img img {
  width: 100%; height: 100%;
  box-sizing: border-box;
  object-fit: contain;
  padding: 16px;
  background: linear-gradient(135deg, #eef7f9, #dcedf1);
  display: block;
  transition: transform .5s ease;
}

.air-hero-card:hover .air-hero-img img { transform: scale(1.04); }

.air-hero-placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #c8e6ed, #a0d4de);
  font-size: 72px; opacity: .5;
}

.air-hero-badge {
  position: absolute;
  top: 18px; left: 18px;
  background: linear-gradient(135deg, #f59e0b, #f97316);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 20px;
  letter-spacing: .04em;
  box-shadow: 0 2px 10px rgba(245,158,11,.45);
}

[dir="rtl"] .air-hero-badge { left: auto; right: 18px; }

.air-hero-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 40px 36px;
}

@media(max-width:760px){ .air-hero-body { padding: 26px 22px; } }

.air-hero-title {
  font-size: clamp(20px, 2.4vw, 28px);
  font-weight: 700;
  color: var(--air-navy);
  line-height: 1.3;
  margin: 10px 0 16px;
}

.air-hero-title a { color: inherit; text-decoration: none; transition: color .2s; }
.air-hero-title a:hover { color: var(--air-teal); }

.air-hero-excerpt {
  font-size: 15px;
  color: var(--air-muted);
  line-height: 1.7;
  margin-bottom: 28px;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.air-btn-hero {
  align-self: flex-start;
  padding: 12px 28px;
  font-size: .95rem;
  box-shadow: 0 4px 14px rgba(0,135,165,.3);
}

[dir="rtl"] .air-btn-hero { align-self: flex-end; }

/* Subtle accent on featured cards in the regular grid */
.air-card-featured { border-top: 3px solid var(--air-teal); }

/* ============================================================
   READING TIME BADGE
   ============================================================ */

.air-read-time {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  font-weight: 600;
  color: var(--air-teal);
  background: rgba(0,135,165,.08);
  padding: 3px 11px;
  border-radius: 20px;
  margin-inline-start: 10px;
  vertical-align: middle;
}

/* ============================================================
   IMPROVED GALLERY  (masonry-style, captions, zoom SVG)
   ============================================================ */

.air-gal-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  grid-auto-rows: 180px;
  position: relative;
}

/* First item spans 2 cols × 2 rows — the "hero" thumbnail */
.air-gal-item:first-child {
  grid-column: span 2;
  grid-row: span 2;
}

/* Caption that slides up on hover */
.air-gal-caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: linear-gradient(transparent, rgba(26,74,94,.82));
  color: #fff;
  font-size: 12px;
  line-height: 1.4;
  padding: 28px 12px 10px;
  transform: translateY(100%);
  transition: transform .3s ease;
  text-align: center;
}

.air-gal-item:hover .air-gal-caption { transform: translateY(0); }

/* "+N more" overlay on the last visible cell */
.air-gal-more-overlay {
  position: absolute;
  inset: 0;
  background: rgba(26,74,94,.72);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: .02em;
  backdrop-filter: blur(2px);
  border-radius: inherit;
  pointer-events: none;
}

/* Items beyond show_max — visually hidden but kept in DOM for the lightbox */
.air-gal-hidden {
  position: absolute !important;
  width: 1px !important; height: 1px !important;
  overflow: hidden;
  clip: rect(0,0,0,0);
  pointer-events: none;
  opacity: 0;
}

/* Gallery section count badge */
.air-gallery-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--air-teal);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  min-width: 22px; height: 22px;
  padding: 0 6px;
  border-radius: 11px;
  margin-inline-start: 8px;
}

/* Zoom icon — SVG-based, no emoji rendering quirks */
.air-gal-zoom {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  opacity: 0;
  background: rgba(26,74,94,0);
  transition: all .25s;
  pointer-events: none;
}

.air-gal-item:hover .air-gal-zoom {
  opacity: 1;
  background: rgba(26,74,94,.3);
}

.air-gal-zoom-icon {
  width: 42px; height: 42px;
  background: rgba(255,255,255,.2);
  border: 1.5px solid rgba(255,255,255,.7);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}

.air-gal-zoom-icon svg {
  width: 18px; height: 18px;
  stroke: #fff; stroke-width: 2.5;
  fill: none;
}

@media(max-width:640px){
  .air-gal-grid { grid-template-columns: repeat(2,1fr); grid-auto-rows: 140px; }
  .air-gal-item:first-child { grid-column: span 2; grid-row: span 1; }
}

/* ============================================================
   RELATED ARTICLES STRIP
   ============================================================ */

.air-related {
  margin-top: 56px;
  padding-top: 40px;
  border-top: 2px solid var(--air-border);
}

.air-related-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--air-navy);
  margin: 0 0 24px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.air-related-title::before {
  content: '';
  width: 4px; height: 22px;
  background: var(--air-teal);
  border-radius: 2px;
  display: inline-block;
  flex-shrink: 0;
}

.air-related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

@media(max-width:700px){ .air-related-grid { grid-template-columns: 1fr; gap: 12px; } }

.air-related-card {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: #f7fbfc;
  border: 1.5px solid var(--air-border);
  border-radius: 10px;
  padding: 14px;
  text-decoration: none;
  color: inherit;
  transition: all .22s;
}

.air-related-card:hover {
  background: #fff;
  border-color: var(--air-teal);
  box-shadow: 0 4px 16px rgba(0,135,165,.1);
  transform: translateY(-2px);
}

.air-related-thumb {
  width: 72px; height: 72px;
  flex-shrink: 0;
  border-radius: 8px;
  overflow: hidden;
  background: #e8f4f7;
}

.air-related-thumb img { width:100%; height:100%; object-fit:cover; display:block; }

.air-related-info { flex: 1; min-width: 0; }

.air-related-date {
  font-size: 11px;
  color: #aaa;
  font-weight: 600;
  margin-bottom: 5px;
  text-transform: uppercase;
  letter-spacing: .04em;
}

.air-related-name {
  font-size: 13px;
  font-weight: 700;
  color: var(--air-navy);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.air-related-card:hover .air-related-name { color: var(--air-teal); }

/* ============================================================
   SEARCH + FILTER TOOLBAR
   ============================================================ */

.air-toolbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 40px 24px;
  flex-wrap: wrap;
}

@media(max-width:580px){ .air-toolbar { padding: 0 20px 18px; gap: 12px; } }

.air-search-wrap {
  position: relative;
  flex: 1;
  min-width: 200px;
  max-width: 360px;
}

.air-search-icon {
  position: absolute;
  top: 50%; left: 14px;
  transform: translateY(-50%);
  width: 16px; height: 16px;
  /* SVG baked in as data URI — immune to theme svg{width:100%} rules */
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23aaaaaa' stroke-width='2'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'/%3E%3C/svg%3E") center/16px 16px no-repeat;
  pointer-events: none;
  display: block;
  flex-shrink: 0;
}

[dir="rtl"] .air-search-icon { left: auto; right: 14px; }

.air-search-input {
  width: 100%;
  padding: 10px 38px 10px 40px;
  border: 1.5px solid var(--air-border);
  border-radius: 30px;
  font-size: 14px;
  font-family: inherit;
  background: #fff;
  color: var(--air-text);
  outline: none;
  transition: border-color .2s, box-shadow .2s;
  -webkit-appearance: none;
}

[dir="rtl"] .air-search-input { padding: 10px 40px 10px 38px; }

.air-search-input:focus {
  border-color: var(--air-teal);
  box-shadow: 0 0 0 3px rgba(0,135,165,.12);
}

.air-search-clear {
  position: absolute;
  top: 50%; right: 12px;
  transform: translateY(-50%);
  background: none;
  border: none;
  font-size: 13px;
  color: #aaa;
  cursor: pointer;
  padding: 2px 4px;
  line-height: 1;
}

[dir="rtl"] .air-search-clear { right: auto; left: 12px; }

.air-cat-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.air-cat-tab {
  padding: 8px 18px;
  border: 1.5px solid var(--air-border);
  border-radius: 30px;
  background: #fff;
  color: var(--air-navy);
  font-size: 13px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all .2s;
  white-space: nowrap;
}

.air-cat-tab:hover { border-color: var(--air-teal); color: var(--air-teal); }
.air-cat-tab.active { background: var(--air-teal); border-color: var(--air-teal); color: #fff; }

/* ============================================================
   FEATURED HERO CARD
   ============================================================ */

.air-featured-hero {
  padding: 0 40px 32px;
}

@media(max-width:580px){ .air-featured-hero { padding: 0 20px 24px; } }

.air-hero-card {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  border-radius: 16px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 8px 32px rgba(26,74,94,.12);
  min-height: 340px;
  transition: box-shadow .3s, transform .3s;
}

.air-hero-card:hover {
  box-shadow: 0 16px 48px rgba(26,74,94,.18);
  transform: translateY(-4px);
}

@media(max-width:760px){
  .air-hero-card { grid-template-columns: 1fr; min-height: auto; }
}

.air-hero-img {
  position: relative;
  overflow: hidden;
  min-height: 300px;
}

@media(max-width:760px){ .air-hero-img { min-height: 220px; } }

.air-hero-img img {
  width: 100%; height: 100%;
  box-sizing: border-box;
  object-fit: contain;
  padding: 16px;
  background: linear-gradient(135deg, #eef7f9, #dcedf1);
  display: block;
  transition: transform .5s ease;
}

.air-hero-card:hover .air-hero-img img { transform: scale(1.04); }

.air-hero-placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #c8e6ed, #a0d4de);
  font-size: 72px; opacity: .5;
}

.air-hero-badge {
  position: absolute;
  top: 16px; left: 16px;
  background: linear-gradient(135deg, #f59e0b, #f97316);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 20px;
  letter-spacing: .04em;
  box-shadow: 0 2px 8px rgba(245,158,11,.4);
}

[dir="rtl"] .air-hero-badge { left: auto; right: 16px; }

.air-hero-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 40px 36px;
  gap: 0;
}

@media(max-width:760px){ .air-hero-body { padding: 28px 24px; } }

.air-hero-title {
  font-size: clamp(20px, 2.5vw, 28px);
  font-weight: 700;
  color: var(--air-navy);
  line-height: 1.3;
  margin: 8px 0 16px;
}

.air-hero-title a { color: inherit; text-decoration: none; transition: color .2s; }
.air-hero-title a:hover { color: var(--air-teal); }

.air-hero-excerpt {
  font-size: 15px;
  color: var(--air-muted);
  line-height: 1.7;
  margin-bottom: 28px;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.air-btn-hero {
  padding: 12px 28px;
  font-size: .95rem;
  box-shadow: 0 4px 14px rgba(0,135,165,.3);
}

/* ============================================================
   IMPROVED GALLERY (single research page)
   ============================================================ */

/* Masonry-style: first image is large, rest smaller */
.air-gal-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  grid-auto-rows: 180px;
  position: relative;
}

.air-gal-item:first-child {
  grid-column: span 2;
  grid-row: span 2;
}

/* Overlay with caption on hover */
.air-gal-caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: linear-gradient(transparent, rgba(26,74,94,.85));
  color: #fff;
  font-size: 12px;
  padding: 24px 10px 8px;
  transform: translateY(100%);
  transition: transform .3s ease;
  line-height: 1.3;
  text-align: center;
}

.air-gal-item:hover .air-gal-caption { transform: translateY(0); }

/* "+N more" overlay on last visible item */
.air-gal-more-overlay {
  position: absolute;
  inset: 0;
  background: rgba(26,74,94,.72);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 22px;
  font-weight: 700;
  backdrop-filter: blur(2px);
  border-radius: inherit;
}

/* Gallery section heading gets a count badge */
.air-gallery-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--air-teal);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  width: 22px; height: 22px;
  border-radius: 50%;
  margin-inline-start: 8px;
}

/* Zoom icon — pointer-events none so it never blocks lightbox clicks */
.air-gal-zoom {
  pointer-events: none;
}
.air-gal-zoom .air-gal-zoom-icon {
  width: 42px; height: 42px;
  background: rgba(255,255,255,.18);
  border: 1.5px solid rgba(255,255,255,.65);
  border-radius: 50%;
}

@media(max-width:640px){
  .air-gal-grid { grid-template-columns: repeat(2,1fr); grid-auto-rows: 140px; }
  .air-gal-item:first-child { grid-column: span 2; grid-row: span 1; }
}

/* ============================================================
   READING TIME BADGE  
   ============================================================ */

.air-read-time {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  font-weight: 600;
  color: var(--air-teal);
  background: rgba(0,135,165,.08);
  padding: 4px 12px;
  border-radius: 20px;
  margin-inline-start: 12px;
}

/* ============================================================
   RELATED ARTICLES STRIP
   ============================================================ */

.air-related {
  margin-top: 56px;
  padding-top: 40px;
  border-top: 2px solid var(--air-border);
}

.air-related-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--air-navy);
  margin: 0 0 24px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.air-related-title::before {
  content: '';
  width: 4px; height: 22px;
  background: var(--air-teal);
  border-radius: 2px;
  display: inline-block;
}

.air-related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

@media(max-width:700px){ .air-related-grid { grid-template-columns: 1fr; gap: 14px; } }

.air-related-card {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: #f7fbfc;
  border: 1px solid var(--air-border);
  border-radius: 10px;
  padding: 14px;
  text-decoration: none;
  color: inherit;
  transition: all .22s;
}

.air-related-card:hover {
  background: #fff;
  border-color: var(--air-teal);
  box-shadow: 0 4px 16px rgba(0,135,165,.1);
  transform: translateY(-2px);
}

.air-related-thumb {
  width: 72px; height: 72px;
  flex-shrink: 0;
  border-radius: 8px;
  overflow: hidden;
  background: #e8f4f7;
}

.air-related-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }

.air-related-info { flex: 1; min-width: 0; }

.air-related-date {
  font-size: 11px;
  color: #aaa;
  font-weight: 600;
  margin-bottom: 5px;
}

.air-related-name {
  font-size: 13px;
  font-weight: 700;
  color: var(--air-navy);
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ============================================================
   Medical disclaimer banner (listing header + single page)
   ============================================================ */
.air-disclaimer,
.air-disclaimer-banner {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: #fff8e6;
  border: 1px solid #f0dca0;
  border-radius: 10px;
  padding: 12px 16px;
  font-size: 13px;
  line-height: 1.6;
  color: #6b5a1e;
  margin: 0 0 24px;
}

.air-disclaimer-icon {
  flex-shrink: 0;
  font-size: 16px;
  line-height: 1.4;
}

/* ============================================================
   Citation line on listing/hero cards
   ============================================================ */
.air-card-citation {
  font-size: 12px;
  color: var(--air-muted);
  margin: 4px 0 10px;
  padding-inline-start: 10px;
  border-inline-start: 2px solid var(--air-teal);
}

/* ============================================================
   Single-page citation block
   ============================================================ */
.air-single-citation {
  background: var(--air-card-bg);
  border: 1px solid var(--air-border);
  border-radius: var(--air-radius);
  padding: 20px 24px;
  margin: 32px 0;
}

.air-citation-list {
  margin: 0 0 14px;
  display: grid;
  gap: 10px;
}

.air-citation-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 10px;
  font-size: 14px;
}

.air-citation-row dt {
  font-weight: 700;
  color: var(--air-navy);
  min-width: 180px;
}

.air-citation-row dd {
  margin: 0;
  color: var(--air-text);
}

.air-citation-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #fff;
  background: var(--air-teal);
  padding: 9px 18px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  transition: background .2s;
}

.air-citation-link:hover { background: var(--air-teal-hover); }