/* =========================================================
   LBU Global — Canada & Middle East Extension
   Design system: colors, type, layout, components
   ========================================================= */

:root {
  /* Brand palette — from LBU Global's official brand colors */
  --color-green: #58a868;
  --color-green-dark: #427f52;
  --color-navy: #203070;
  --color-navy-dark: #142949;
  --color-slate: #4a5c7e;
  --color-slate-light: #8b9bb5;
  --color-teal: #528079;
  --color-bg-light: #f8f8f8;
  --color-bg-tint: #eaf3f6;
  --color-white: #ffffff;
  --color-ink: #172236;
  --color-ink-soft: #4a5c7e;
  --color-border: #dde4ee;

  /* Semantic aliases used throughout the components below */
  --color-primary: var(--color-green);
  --color-primary-light: #74bb82;
  --color-primary-dark: var(--color-green-dark);
  --color-dark: var(--color-navy-dark);
  --color-accent: var(--color-navy);

  --font-heading: "Merriweather", Georgia, "Times New Roman", serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-arabic: "Cairo", "Segoe UI", Tahoma, sans-serif;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;

  --shadow-sm: 0 1px 3px rgba(20, 41, 73, 0.08);
  --shadow-md: 0 8px 24px rgba(20, 41, 73, 0.12);
  --shadow-lg: 0 16px 40px rgba(20, 41, 73, 0.18);

  --container-max: 1180px;
  --header-h: 76px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-ink);
  background: var(--color-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
[hidden] { display: none !important; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--color-navy-dark);
  line-height: 1.25;
  margin: 0 0 0.6em;
}
p { margin: 0 0 1em; color: var(--color-ink-soft); }
button { font-family: inherit; cursor: pointer; }
:focus-visible {
  outline: 3px solid var(--color-green);
  outline-offset: 2px;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 88px 0; }
.section--tight { padding: 56px 0; }
.section--alt { background: var(--color-bg-light); }
.section--tint { background: var(--color-bg-tint); }
.section--dark { background: var(--color-navy-dark); color: var(--color-white); }
.section--dark h1, .section--dark h2, .section--dark h3 { color: var(--color-white); }
.section--dark p { color: #c9d3e4; }

.section-head { max-width: 720px; margin: 0 0 48px; }
.section-head--center { margin-left: auto; margin-right: auto; text-align: center; }
.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-green-dark);
  margin-bottom: 12px;
}
.section--dark .eyebrow { color: #8fd6a0; }

h1 { font-size: clamp(2.1rem, 4.5vw, 3.2rem); }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); }
h3 { font-size: 1.25rem; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease;
}
.btn-primary {
  background: var(--color-green);
  color: var(--color-white);
}
.btn-primary:hover { background: var(--color-green-dark); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-navy { background: var(--color-navy); color: var(--color-white); }
.btn-navy:hover { background: var(--color-navy-dark); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-outline {
  background: transparent;
  border-color: currentColor;
  color: inherit;
}
.btn-outline:hover { background: rgba(255,255,255,0.12); transform: translateY(-1px); }
.section:not(.section--dark) .btn-outline { border-color: var(--color-navy); color: var(--color-navy); }
.section:not(.section--dark) .btn-outline:hover { background: var(--color-navy); color: var(--color-white); }
.btn-block { width: 100%; justify-content: center; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-navy-dark);
  color: var(--color-white);
  height: var(--header-h);
  display: flex;
  align-items: center;
  box-shadow: var(--shadow-sm);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  max-width: none;
}
.brand {
  display: flex;
  align-items: center;
  min-width: 0;
}
.brand-logo {
  height: 42px;
  width: auto;
  display: block;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--color-white);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  align-items: center;
  justify-content: center;
}
.nav-toggle:hover { background: rgba(255,255,255,0.1); }
.nav-toggle svg { width: 24px; height: 24px; }

.main-nav ul { display: flex; align-items: center; gap: 4px; }
.main-nav a {
  display: block;
  padding: 10px 14px;
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 500;
  color: #e4e9f2;
  transition: background 0.15s ease, color 0.15s ease;
}
.main-nav a:hover, .main-nav a.is-active { background: rgba(255,255,255,0.12); color: var(--color-white); }

.header-actions { display: flex; align-items: center; gap: 14px; }

/* Site-wide language switch */
.lang-switch {
  display: flex;
  align-items: center;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 999px;
  padding: 3px;
  gap: 2px;
  flex-shrink: 0;
}
.lang-switch-btn {
  border: none;
  background: transparent;
  color: #cfd8e8;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  padding: 6px 12px;
  border-radius: 999px;
  transition: background 0.15s ease, color 0.15s ease;
}
.lang-switch-btn:hover { color: var(--color-white); }
.lang-switch-btn.is-active { background: var(--color-white); color: var(--color-navy-dark); }
.lang-switch-btn.is-active:hover { color: var(--color-navy-dark); }

/* ---------- Hero carousel ---------- */
.hero {
  position: relative;
  min-height: 560px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--color-navy-dark);
  color: var(--color-white);
}
.hero-slides { position: absolute; inset: 0; }
.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1s ease;
  display: flex;
  align-items: flex-end;
}
.hero-slide.is-active { opacity: 1; }
.hero-slide-photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-slide-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}
.hero-slide::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(20,41,73,0.45) 0%, rgba(15,25,45,0.85) 100%);
}
.hero-slide-caption {
  position: relative;
  z-index: 1;
  padding: 20px 24px;
  font-size: 0.85rem;
  color: #d7e0ee;
  max-width: var(--container-max);
  margin: 0 auto;
  width: 100%;
}
.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 640px;
  padding: 140px 0 96px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.25);
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 0.82rem;
  margin-bottom: 20px;
  backdrop-filter: blur(4px);
}
.hero h1 { color: var(--color-white); margin-bottom: 0.5em; }
.hero p.lead { color: #dde4f0; font-size: 1.08rem; max-width: 540px; }
.hero-actions { display: flex; gap: 14px; margin-top: 28px; flex-wrap: wrap; }

.hero-nav {
  position: absolute;
  z-index: 3;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,0.14);
  border: 1px solid rgba(255,255,255,0.3);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-nav:hover { background: rgba(255,255,255,0.28); }
.hero-nav--prev { left: 20px; }
.hero-nav--next { right: 20px; }
.hero-dots {
  position: absolute;
  z-index: 3;
  bottom: 24px;
  right: 24px;
  display: flex;
  gap: 8px;
}
.hero-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  border: none;
  padding: 0;
}
.hero-dot.is-active { background: var(--color-white); }

/* Placeholder photo tiles — fallback for any spot without a real photo yet */
.ph-photo {
  position: relative;
  background: linear-gradient(135deg, var(--color-slate), var(--color-navy-dark));
  color: rgba(255,255,255,0.92);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 8px;
  overflow: hidden;
}
.ph-photo svg { width: 30%; max-width: 56px; opacity: 0.85; }
.ph-photo span { font-size: 0.75rem; letter-spacing: 0.04em; text-transform: uppercase; opacity: 0.85; }
.ph-photo::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 20% 20%, rgba(255,255,255,0.14), transparent 40%);
}
.ph-photo[data-tone="b"] { background: linear-gradient(135deg, var(--color-teal), var(--color-navy-dark)); }
.ph-photo[data-tone="c"] { background: linear-gradient(135deg, var(--color-green), var(--color-green-dark)); }

/* ---------- Cards / grids ---------- */
.grid { display: grid; gap: 28px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
  display: flex;
  flex-direction: column;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: rgba(32, 48, 112, 0.08);
  color: var(--color-navy);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}
.card-icon svg { width: 26px; height: 26px; }
.card-body { padding: 26px; flex: 1; display: flex; flex-direction: column; }
.card-body h3 { margin-bottom: 10px; }
.card-body p { flex: 1; }
.card-link { font-weight: 600; color: var(--color-green-dark); display: inline-flex; align-items: center; gap: 6px; margin-top: auto; }
.card-link svg { width: 16px; height: 16px; transition: transform 0.15s ease; }
.card:hover .card-link svg { transform: translateX(3px); }

/* Professor card */
.person-card { text-align: center; }
.person-card .person-photo,
.person-card .ph-photo {
  aspect-ratio: 4 / 5;
  width: 100%;
  object-fit: cover;
  object-position: top center;
}
.person-card .card-body { align-items: center; }
.person-name { margin-bottom: 2px; }
.person-role { font-weight: 600; font-size: 0.9rem; color: var(--color-navy); margin-bottom: 2px; }
.person-title { color: var(--color-green-dark); font-weight: 600; font-size: 0.86rem; margin-bottom: 14px; }
.person-bio p { font-size: 0.92rem; text-align: left; }
.person-bio { width: 100%; }
.credential-list { margin-top: 14px; text-align: left; width: 100%; display: flex; flex-direction: column; gap: 8px; }
.credential-list li {
  display: flex;
  gap: 8px;
  font-size: 0.86rem;
  color: var(--color-ink-soft);
}
.credential-list svg { width: 16px; height: 16px; flex-shrink: 0; margin-top: 2px; color: var(--color-green); }
.person-contact {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
  width: 100%;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.85rem;
}
.person-contact a { color: var(--color-navy); font-weight: 600; }
.person-contact a:hover { color: var(--color-green-dark); }

/* Program tier cards */
.tier-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; align-items: stretch; }
.tier-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}
.tier-card--highlight { border-color: var(--color-green); box-shadow: var(--shadow-md); position: relative; }
.tier-step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px; height: 34px;
  border-radius: 50%;
  background: var(--color-navy);
  color: var(--color-white);
  font-weight: 700;
  font-family: var(--font-heading);
  margin-bottom: 18px;
}
.tier-card--highlight .tier-step { background: var(--color-green); }
.tier-hours {
  display: inline-block;
  margin: 10px 0 16px;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--color-bg-tint);
  color: var(--color-navy);
  font-weight: 700;
  font-size: 0.85rem;
}
.tier-card ul { margin-top: auto; padding-top: 16px; border-top: 1px solid var(--color-border); display: flex; flex-direction: column; gap: 8px; }
.tier-card li { font-size: 0.88rem; color: var(--color-ink-soft); display: flex; gap: 8px; }
.tier-card li svg { width: 15px; height: 15px; margin-top: 3px; flex-shrink: 0; color: var(--color-green); }

.program-facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin: 40px 0; }
.program-fact { background: var(--color-bg-tint); border-radius: var(--radius-md); padding: 22px; text-align: center; }
.program-fact .num { font-family: var(--font-heading); font-size: 2rem; font-weight: 700; color: var(--color-navy); }
.program-fact .label { font-size: 0.85rem; color: var(--color-ink-soft); }

/* ---------- Stats strip ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stat-num { font-family: var(--font-heading); font-size: 2.2rem; font-weight: 700; color: var(--color-green); }
.stat-label { font-size: 0.85rem; color: #c9d3e4; letter-spacing: 0.03em; }

/* ---------- Director / Who We Are ---------- */
.director-block { display: grid; grid-template-columns: 280px 1fr; gap: 44px; align-items: start; }
.director-photo { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); }
.director-photo img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; object-position: top center; }
.director-name { margin-bottom: 2px; }
.director-role { color: var(--color-green-dark); font-weight: 600; font-size: 0.9rem; margin-bottom: 18px; }
.director-copy p { font-size: 0.98rem; }

/* ---------- Content pages (Code of Conduct / Doctrinal Statement) ---------- */
.page-hero {
  background: var(--color-navy-dark);
  color: var(--color-white);
  padding: 72px 0 56px;
}
.page-hero p { color: #d7e0ee; max-width: 640px; }
.doc-page { max-width: 820px; scroll-margin-top: 100px; }
.doc-page--divider { margin-top: 64px; padding-top: 56px; border-top: 1px solid var(--color-border); }

/* Split image + text panel (Code of Conduct, etc.) */
.split-hero {
  display: grid;
  grid-template-columns: minmax(280px, 42%) 1fr;
  background: var(--color-bg-tint);
  scroll-margin-top: 76px;
}
.split-hero-media { position: relative; min-height: 480px; }
.split-hero-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.split-hero-body { padding: 72px 64px; max-width: 900px; scroll-margin-top: 100px; }
.split-hero--reverse { grid-template-columns: 1fr minmax(280px, 42%); }
.split-hero-body .doc-page { max-width: none; }
.split-hero-body h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); }
.doc-page .updated {
  font-size: 0.85rem;
  color: var(--color-ink-soft);
  border-left: 3px solid var(--color-green);
  padding-left: 12px;
  margin-bottom: 40px;
}
.doc-section { margin-bottom: 32px; }
.doc-section h2 { font-size: 1.35rem; margin-bottom: 14px; }
.doc-section ol, .doc-section ul.doc-list { margin: 0; padding-left: 22px; color: var(--color-ink-soft); }
.doc-section li { margin-bottom: 10px; }
.callout {
  background: var(--color-bg-tint);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-navy);
  border-radius: var(--radius-sm);
  padding: 18px 22px;
  margin: 24px 0;
  font-size: 0.94rem;
}
.callout strong { color: var(--color-navy-dark); }

.lang-panel.is-hidden { display: none; }
.lang-panel[dir="rtl"] { text-align: right; }
.lang-panel[dir="rtl"] .doc-section ol,
.lang-panel[dir="rtl"] .doc-section ul {
  padding-left: 0;
  padding-right: 22px;
}
.lang-panel[dir="rtl"] .doc-page .updated {
  border-left: none;
  border-right: 3px solid var(--color-green);
  padding-left: 0;
  padding-right: 12px;
}
.lang-panel[dir="rtl"] .callout { border-left: none; border-right: 4px solid var(--color-navy); }

/* ---------- Gallery ---------- */
.filter-bar { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 36px; }
.filter-btn {
  padding: 9px 20px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-white);
  color: var(--color-ink-soft);
  font-weight: 600;
  font-size: 0.88rem;
}
.filter-btn:hover { border-color: var(--color-navy); color: var(--color-navy); }
.filter-btn.is-active { background: var(--color-navy); border-color: var(--color-navy); color: var(--color-white); }

.gallery-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.gallery-item {
  border: none;
  padding: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 1 / 1;
  cursor: pointer;
  position: relative;
}
.gallery-item img,
.gallery-item .ph-photo { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 0.3s ease; }
.gallery-item:hover img,
.gallery-item:hover .ph-photo { transform: scale(1.05); }
.gallery-item.is-hidden { display: none; }
.gallery-caption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 10px 12px;
  background: linear-gradient(180deg, transparent, rgba(10,18,32,0.65));
  color: var(--color-white);
  font-size: 0.78rem;
  text-align: left;
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(10, 16, 28, 0.92);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 40px;
}
.lightbox.is-open { display: flex; }
.lightbox-inner { max-width: 780px; width: 100%; text-align: center; }
.lightbox-inner img,
.lightbox-inner .ph-photo { width: 100%; max-height: 78vh; object-fit: contain; border-radius: var(--radius-md); }
.lightbox-caption { color: var(--color-white); margin-top: 16px; }
.lightbox-close {
  position: absolute;
  top: 24px; right: 28px;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.25);
  color: var(--color-white);
  display: flex; align-items: center; justify-content: center;
}
.lightbox-nav {
  position: absolute;
  z-index: 3;
  top: 50%;
  transform: translateY(-50%);
  width: 48px; height: 48px;
  border-radius: 50%;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.25);
  color: var(--color-white);
  display: flex; align-items: center; justify-content: center;
}
.lightbox-nav:hover { background: rgba(255,255,255,0.26); }
.lightbox-nav--prev { left: 24px; }
.lightbox-nav--next { right: 24px; }
.lightbox-counter {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,0.75);
  font-size: 0.82rem;
  letter-spacing: 0.03em;
}

/* ---------- Forms ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-field { display: flex; flex-direction: column; gap: 6px; }
.form-field.full { grid-column: 1 / -1; }
.form-field label { font-size: 0.88rem; font-weight: 600; color: var(--color-navy-dark); }
.form-field input, .form-field select, .form-field textarea {
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.95rem;
  background: var(--color-white);
  color: var(--color-ink);
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  border-color: var(--color-green);
}
.form-note { font-size: 0.82rem; color: var(--color-ink-soft); margin-top: 14px; }
.form-success {
  display: none;
  background: var(--color-bg-tint);
  border: 1px solid var(--color-green);
  border-radius: var(--radius-sm);
  padding: 18px 22px;
  margin-top: 20px;
}
.form-success.is-visible { display: block; }

/* Contact info cards */
.contact-info { display: grid; gap: 20px; }
.contact-info-item { display: flex; gap: 14px; align-items: flex-start; }
.contact-info-item .card-icon { margin-bottom: 0; flex-shrink: 0; }

/* ---------- Footer ---------- */
.site-footer { background: var(--color-navy-dark); color: #c9d3e4; padding: 64px 0 28px; }
.footer-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.12); }
.footer-brand .brand-logo { height: 40px; }
.footer-about { margin-top: 16px; font-size: 0.9rem; max-width: 320px; }
.footer-address { margin-top: 10px; font-size: 0.82rem; opacity: 0.85; max-width: 320px; }
.footer-col h4 { color: var(--color-white); font-size: 0.85rem; letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 16px; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font-size: 0.92rem; color: #c9d3e4; }
.footer-col a:hover { color: var(--color-white); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 24px;
  font-size: 0.82rem;
}
.back-to-lbu {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 999px;
  font-size: 0.82rem;
}
.back-to-lbu:hover { border-color: var(--color-white); }

/* ---------- Utility ---------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}
.skip-link {
  position: absolute;
  left: 12px;
  top: -60px;
  background: var(--color-green);
  color: var(--color-white);
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  z-index: 300;
  transition: top 0.15s ease;
}
.skip-link:focus { top: 12px; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .tier-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
  .director-block { grid-template-columns: 220px 1fr; gap: 32px; }
}

@media (max-width: 860px) {
  .nav-toggle { display: flex; }
  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    bottom: 0;
    background: var(--color-navy-dark);
    transform: translateX(100%);
    transition: transform 0.25s ease;
    overflow-y: auto;
    padding: 12px 24px 40px;
  }
  .main-nav.is-open { transform: translateX(0); }
  .main-nav ul { flex-direction: column; align-items: stretch; gap: 4px; }
  .main-nav a { padding: 14px 16px; font-size: 1rem; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .program-facts { grid-template-columns: 1fr; }
}

@media (max-width: 700px) {
  .section { padding: 60px 0; }
  .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .form-grid { grid-template-columns: 1fr; }
  .hero-inner { padding: 110px 0 72px; }
  .hero-nav { display: none; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .director-block { grid-template-columns: 1fr; }
  .director-photo { max-width: 240px; }
  .split-hero { grid-template-columns: 1fr; }
  .split-hero-media { min-height: 260px; }
  .split-hero-body { padding: 48px 24px; }
}

@media (max-width: 480px) {
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .brand-logo { height: 32px; }
  .lang-switch-btn { padding: 6px 9px; font-size: 0.7rem; }
  .lightbox { padding: 16px; }
  .lightbox-nav { width: 38px; height: 38px; }
  .lightbox-nav--prev { left: 8px; }
  .lightbox-nav--next { right: 8px; }
}

/* ---------- RTL / Arabic ---------- */
html[dir="rtl"] body {
  direction: rtl;
  font-family: var(--font-arabic);
}
/* Header stays pinned: logo left, language switch + nav right, in both languages */
.site-header .container { direction: ltr; }
html[dir="rtl"] .main-nav a { text-align: right; }
html[dir="rtl"] h1,
html[dir="rtl"] h2,
html[dir="rtl"] h3,
html[dir="rtl"] h4,
html[dir="rtl"] .director-name,
html[dir="rtl"] .brand-name {
  font-family: var(--font-arabic);
}
html[dir="rtl"] .skip-link { left: auto; right: 12px; }
html[dir="rtl"] .hero-nav--prev { left: auto; right: 20px; }
html[dir="rtl"] .hero-nav--next { right: auto; left: 20px; }
html[dir="rtl"] .hero-nav--prev svg { transform: scaleX(-1); }
html[dir="rtl"] .hero-nav--next svg { transform: scaleX(-1); }
html[dir="rtl"] .hero-dots { right: auto; left: 24px; }
html[dir="rtl"] .lightbox-close { right: auto; left: 28px; }
html[dir="rtl"] .lightbox-nav--prev { left: auto; right: 24px; }
html[dir="rtl"] .lightbox-nav--next { right: auto; left: 24px; }
html[dir="rtl"] .lightbox-nav--prev svg { transform: scaleX(-1); }
html[dir="rtl"] .lightbox-nav--next svg { transform: scaleX(-1); }
html[dir="rtl"] .doc-page .updated {
  border-left: none;
  border-right: 3px solid var(--color-green);
  padding-left: 0;
  padding-right: 12px;
}
html[dir="rtl"] .callout {
  border-left: none;
  border-right: 4px solid var(--color-navy);
}
html[dir="rtl"] .back-to-lbu svg { transform: scaleX(-1); }

@media (max-width: 480px) {
  html[dir="rtl"] .lightbox-nav--prev { left: auto; right: 8px; }
  html[dir="rtl"] .lightbox-nav--next { right: auto; left: 8px; }
}