/* =========================================
   TORRIST - Student Services Website CSS
   ========================================= */


/* ── CSS Variables (Light Mode) ── */
:root {
  --primary:       #1a3a6b;
  --primary-dark:  #0f2347;
  --primary-light: #dbeafe;
  --secondary:     #e05c00;
  --accent:        #f59e0b;
  --dark:          #2d3748;
  --gray-100:      #f8f9fa;
  --gray-200:      #e9ecef;
  --gray-600:      #6c757d;
  --white:         #ffffff;
  --radius:        12px;
  --shadow:        0 4px 24px rgba(26,58,107,.12);
  --shadow-hover:  0 8px 40px rgba(26,58,107,.22);
  --transition:    .3s ease;
  --font-en:       'Inter', sans-serif;
  --font-ar:       'Cairo', sans-serif;

  /* ── Themeable tokens ── */
  --bg-body:       #f8fafc;
  --bg-surface:    #ffffff;
  --bg-subtle:     #eef2f7;
  --text-main:     #0d1b2a;
  --text-muted:    #6c757d;
  --border:        #e9ecef;
  --navbar-bg:     #ffffff;
  --card-bg:       #ffffff;
}

/* ── Dark Mode Variables ── */
[data-theme="dark"] {
  --primary:       #1a6fc4;
  --primary-dark:  #145ca0;
  --secondary:     #f4a024;
  --accent:        #0dcaf0;
  --dark:          #0d1b2a;
  
  --bg-body:       #080e18;
  --bg-surface:    #101c2b;
  --bg-subtle:     #0c1622;
  --text-main:     #f8f9fa;
  --text-muted:    #a0aec0;
  --border:        #2d3748;
  --navbar-bg:     rgba(22, 32, 44, 0.85);
  --card-bg:       #16202c;
  --primary-light: rgba(26,111,196,0.25);
  --gray-100:      #111922;
  --gray-200:      #2d3748;
  --gray-600:      #a0aec0;
  --shadow:        0 8px 32px rgba(0,0,0,.4);
  --shadow-hover:  0 12px 48px rgba(0,0,0,.6);
}

/* ── Reset / Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-en);
  color: var(--text-main);
  background: var(--bg-body);
  overflow-x: hidden;
  transition: background var(--transition), color var(--transition);
}
body[dir="rtl"] { font-family: var(--font-ar); }

/* ── Loader ── */
#page-loader {
  position: fixed; inset: 0;
  background: radial-gradient(ellipse 70% 70% at 50% 45%, rgba(26,58,107,0.6) 0%, #060e1a 65%);
  display: flex; align-items: center; justify-content: center;
  z-index: 9999;
  transition: opacity .5s, visibility .5s;
}
#page-loader.hidden { opacity: 0; visibility: hidden; }
.loader-spinner {
  width: 52px; height: 52px;
  border: 4px solid rgba(255,255,255,.08);
  border-top-color: var(--primary);
  border-right-color: var(--secondary);
  border-radius: 50%;
  animation: spin .75s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Navbar ── */
.navbar {
  background: var(--navbar-bg) !important;
  box-shadow: 0 2px 20px rgba(0,0,0,.08);
  padding: 14px 0;
  transition: background var(--transition), box-shadow var(--transition);
}
.navbar.scrolled {
  box-shadow: 0 4px 30px rgba(26,111,196,.18);
}
.navbar-brand {
  text-decoration: none;
}
.navbar-brand .brand-icon,
.navbar-brand .brand-text,
.navbar-brand .brand-text span {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.navbar-brand .brand-text {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}
.nav-link {
  font-weight: 500;
  color: var(--text-main) !important;
  padding: 8px 14px !important;
  border-radius: 8px;
  transition: all var(--transition);
}
.nav-link:hover, .nav-link.active {
  color: #fff !important;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
}

/* Language Switcher */
.lang-switcher .dropdown-toggle {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  padding: 6px 14px;
}
.lang-switcher .dropdown-menu {
  min-width: 100px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: none;
}
.lang-switcher .dropdown-item { font-weight: 500; }
.lang-switcher .dropdown-item:hover {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: #fff;
}

/* ── Hero Section ── */
.hero-section {
  min-height: 100vh;
  background: #060e1a;
  display: flex; align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}
.hero-section::before {
  content: '';
  position: absolute;
  top: -25%; left: -15%;
  width: 70%; height: 110%;
  background: radial-gradient(ellipse, rgba(26,58,107,0.7) 0%, transparent 65%);
  pointer-events: none;
  z-index: 0;
}
.hero-section::after {
  content: '';
  position: absolute;
  bottom: -25%; right: -10%;
  width: 55%; height: 80%;
  background: radial-gradient(ellipse, rgba(224,92,0,0.22) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}
.hero-badge {
  display: inline-block;
  background: rgba(255,255,255,.15);
  backdrop-filter: blur(10px);
  color: #fff;
  padding: 6px 18px;
  border-radius: 50px;
  font-size: .85rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 20px;
  border: 1px solid rgba(255,255,255,.2);
}
.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 20px;
}
.hero-title span { color: var(--secondary); }
.hero-desc {
  font-size: 1.1rem;
  color: rgba(255,255,255,.8);
  line-height: 1.8;
  margin-bottom: 36px;
  max-width: 560px;
}
.hero-btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: #fff;
  border: none;
  padding: 14px 36px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1rem;
  box-shadow: 0 4px 20px rgba(26,58,107,0.35);
  transition: all var(--transition);
  text-decoration: none;
  display: inline-block;
  cursor: pointer;
}
.hero-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(26,58,107,0.55);
  color: #fff;
  opacity: .92;
}
.hero-btn-secondary {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,.4);
  padding: 12px 34px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  transition: all var(--transition);
  text-decoration: none;
  display: inline-block;
  backdrop-filter: blur(8px);
}
.hero-btn-secondary:hover {
  background: rgba(255,255,255,.1);
  border-color: rgba(255,255,255,.7);
  color: #fff;
  transform: translateY(-2px);
}
.hero-stats {
  display: flex; gap: 36px;
  margin-top: 50px;
}
.hero-stat { color: #fff; }
.hero-stat strong {
  display: block;
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 800;
  color: var(--secondary);
}
.hero-stat span { font-size: .85rem; opacity: .8; }
.hero-visual {
  position: relative;
  display: flex; align-items: center; justify-content: center;
}
.hero-card-float {
  background: rgba(255,255,255,.12);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 20px;
  padding: 28px;
  color: #fff;
  animation: float 3s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-12px); }
}
.hero-icon-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 16px; margin-top: 16px;
}
.hero-icon-item {
  background: rgba(255,255,255,.1);
  border-radius: 12px;
  padding: 16px;
  text-align: center;
  transition: background var(--transition);
}
.hero-icon-item:hover { background: rgba(255,255,255,.2); }
.hero-icon-item i { font-size: 1.8rem; color: var(--secondary); }
.hero-icon-item p { font-size: .78rem; margin: 6px 0 0; opacity: .9; }

/* ── Section Common ── */
.section-label {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  padding: 5px 16px;
  border-radius: 50px;
  font-size: .8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 16px;
  line-height: 1.3;
}
.section-subtitle {
  font-size: 1.05rem;
  color: var(--gray-600);
  max-width: 600px;
  margin: 0 auto 50px;
  line-height: 1.8;
}
.section-divider {
  width: 60px; height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 2px;
  margin: 16px auto 24px;
}

/* ── Service Cards ── */
.service-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px 28px;
  box-shadow: var(--shadow);
  transition: all var(--transition);
  height: 100%;
  border: 1px solid var(--gray-200);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0);
  transition: transform var(--transition);
}
.service-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-hover); }
.service-card:hover::before { transform: scaleX(1); }
.service-icon {
  width: 70px; height: 70px;
  background: var(--primary-light);
  border-radius: 18px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 22px;
  transition: all var(--transition);
}
.service-card:hover .service-icon {
  background: var(--primary);
}
.service-icon i {
  font-size: 1.8rem;
  color: var(--primary);
  transition: color var(--transition);
}
.service-card:hover .service-icon i { color: #fff; }
.service-card h4 { font-size: 1.2rem; font-weight: 700; margin-bottom: 12px; }
.service-card p { color: var(--gray-600); line-height: 1.7; font-size: .95rem; }

/* ── Country Tabs ── */
.countries-section { background: var(--gray-100); }
.country-tabs { border: none; gap: 8px; flex-wrap: wrap; justify-content: center; }
.country-tabs .nav-link {
  background: var(--white);
  border: 2px solid var(--gray-200) !important;
  border-radius: 50px !important;
  color: var(--dark);
  font-weight: 600;
  padding: 10px 24px !important;
  transition: all var(--transition);
}
.country-tabs .nav-link:hover,
.country-tabs .nav-link.active {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%) !important;
  border-color: transparent !important;
  color: #fff !important;
}
.country-flag { font-size: 1.4rem; margin-inline-end: 8px; }
.country-tab-content {
  background: var(--white);
  border-radius: 20px;
  padding: 40px;
  box-shadow: var(--shadow);
  margin-top: 30px;
}
.country-info h3 { font-size: clamp(1.2rem, 2.5vw, 1.8rem); font-weight: 800; margin-bottom: 16px; color: var(--dark); }
.country-info p { color: var(--gray-600); line-height: 1.8; margin-bottom: 24px; }
.country-feature {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--gray-200);
}
.country-feature:last-child { border-bottom: none; }
.country-feature i { color: var(--primary); font-size: 1.1rem; margin-top: 2px; flex-shrink: 0; }
.country-feature div h6 { font-weight: 700; margin-bottom: 2px; font-size: .95rem; }
.country-feature div p { font-size: .88rem; color: var(--gray-600); margin: 0; }
.university-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--primary-light);
  color: var(--primary);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: .88rem;
  font-weight: 600;
  margin: 4px;
}

/* ── Gallery ── */
.gallery-item {
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  cursor: pointer;
  aspect-ratio: 4/3;
}
.gallery-item img, .gallery-item video {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.gallery-item:hover img, .gallery-item:hover video { transform: scale(1.06); }
.gallery-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,.7) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
  display: flex; align-items: flex-end;
  padding: 16px;
}
.gallery-item:hover .gallery-overlay { opacity: 1; }
.gallery-overlay-info { color: #fff; }
.gallery-overlay-info h6 { font-weight: 700; margin-bottom: 2px; }
.gallery-overlay-info span { font-size: .8rem; opacity: .8; }
.gallery-play-btn {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
}
.gallery-play-btn i {
  width: 56px; height: 56px;
  background: rgba(255,255,255,.9);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  color: var(--primary);
  transition: all var(--transition);
}
.gallery-item:hover .gallery-play-btn i {
  background: var(--primary);
  color: #fff;
  transform: scale(1.1);
}
.gallery-filter-btn {
  background: var(--white);
  border: 2px solid var(--gray-200);
  color: var(--dark);
  border-radius: 50px;
  padding: 8px 22px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}
.gallery-filter-btn:hover,
.gallery-filter-btn.active {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  border-color: transparent;
  color: #fff;
}

/* Upload Form */
.upload-zone {
  border: 2px dashed var(--primary);
  border-radius: var(--radius);
  padding: 40px 20px;
  text-align: center;
  background: var(--primary-light);
  cursor: pointer;
  transition: all var(--transition);
}
.upload-zone:hover { background: #d6e8fa; }
.upload-zone i { font-size: 2.5rem; color: var(--primary); margin-bottom: 12px; }
.upload-preview-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 12px;
  margin-top: 16px;
}
.preview-item {
  position: relative; border-radius: 10px; overflow: hidden;
  aspect-ratio: 1;
}
.preview-item img, .preview-item video {
  width: 100%; height: 100%; object-fit: cover;
}
.preview-item .remove-btn {
  position: absolute; top: 4px; right: 4px;
  background: rgba(220,53,69,.9);
  color: #fff; border: none; border-radius: 50%;
  width: 24px; height: 24px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; font-size: .75rem;
}

/* ── Testimonials ── */
.testimonial-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
  height: 100%;
  transition: all var(--transition);
  border-left: 4px solid var(--primary);
}
.testimonial-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.testimonial-stars i { color: var(--secondary); font-size: .9rem; }
.testimonial-text { font-style: italic; color: var(--gray-600); line-height: 1.8; margin: 16px 0; }
.testimonial-author { display: flex; align-items: center; gap: 14px; margin-top: 20px; }
.testimonial-avatar {
  width: 50px; height: 50px; border-radius: 50%;
  background: var(--primary-light);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  font-weight: 700; color: var(--primary);
  flex-shrink: 0;
}
.testimonial-author h6 { font-weight: 700; margin: 0; }
.testimonial-author small { color: var(--gray-600); }

/* ── FAQ ── */
.faq-item {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 12px;
  border: 1px solid var(--gray-200);
  overflow: hidden;
}
.faq-question {
  padding: 20px 24px;
  cursor: pointer;
  font-weight: 600;
  display: flex; align-items: center; justify-content: space-between;
  transition: color var(--transition);
}
.faq-question:hover { color: var(--primary); }
.faq-question i { transition: transform var(--transition); flex-shrink: 0; color: var(--primary); }
.faq-item.open .faq-question i { transform: rotate(180deg); }
.faq-answer {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease, padding .3s ease;
  color: var(--gray-600); line-height: 1.8;
}
.faq-item.open .faq-answer {
  max-height: 300px;
  padding: 0 24px 20px;
}

/* ── About Cards ── */
.about-stat-card {
  text-align: center;
  padding: 28px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: all var(--transition);
}
.about-stat-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.about-stat-card strong { display: block; font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 800; color: var(--primary); }
.about-stat-card span { color: var(--gray-600); font-size: .95rem; }

/* ── Contact ── */
.contact-info-card {
  display: flex; align-items: flex-start; gap: 16px;
  background: var(--white);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  margin-bottom: 16px;
  transition: all var(--transition);
}
.contact-info-card:hover { transform: translateX(4px); }
.contact-info-icon {
  width: 50px; height: 50px;
  background: var(--primary-light);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.contact-info-icon i { color: var(--primary); font-size: 1.2rem; }
.contact-info-card h6 { font-weight: 700; margin-bottom: 4px; }
.contact-info-card p { color: var(--gray-600); margin: 0; font-size: .95rem; }

.contact-form-card {
  background: var(--white);
  border-radius: 20px;
  padding: 40px;
  box-shadow: var(--shadow);
}
.form-control, .form-select {
  border-radius: 10px;
  border: 2px solid var(--gray-200);
  padding: 12px 16px;
  font-size: .95rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-control:focus, .form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(26,111,196,.1);
  outline: none;
}

/* ── Footer ── */
.footer {
  background: #060d1a;
  color: rgba(255,255,255,.8);
  padding: 70px 0 30px;
  border-top: 1px solid rgba(26,58,107,0.4);
  position: relative;
  overflow: hidden;
  transition: background var(--transition);
}
.footer::before {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 800px; height: 300px;
  background: radial-gradient(ellipse at 50% 0%, rgba(26,58,107,0.35) 0%, transparent 70%);
  pointer-events: none;
}
.footer-brand .brand-icon,
.footer-brand .brand-text,
.footer-brand .brand-text span {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.footer-brand .brand-text { font-size: clamp(1.2rem, 2vw, 1.6rem); font-weight: 800; }
.footer-desc { font-size: .9rem; line-height: 1.8; margin-bottom: 24px; color: rgba(255,255,255,.6); }
.footer-title { font-size: 1rem; font-weight: 700; color: var(--white); margin-bottom: 20px; }
.footer-links { list-style: none; padding: 0; }
.footer-links li { margin-bottom: 10px; }
.footer-links a {
  color: rgba(255,255,255,.6);
  text-decoration: none;
  font-size: .9rem;
  transition: color var(--transition);
  display: flex; align-items: center; gap: 8px;
}
.footer-links a::before { content: '→'; opacity: 0; transition: opacity var(--transition); }
.footer-links a:hover { color: var(--secondary); }
.footer-links a:hover::before { opacity: 1; }
.footer-social { display: flex; gap: 12px; margin-top: 20px; }
.footer-social a {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: rgba(255,255,255,.1);
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  font-size: 1rem;
  text-decoration: none;
  transition: all var(--transition);
}
.footer-social a:hover { background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%); transform: translateY(-3px); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  margin-top: 50px;
  padding-top: 24px;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 12px;
}
.footer-bottom p { margin: 0; font-size: .88rem; color: rgba(255,255,255,.5); }

/* ── Buttons ── */
.btn-primary-custom,
.btn-secondary-custom {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: #fff;
  border: none;
  padding: 13px 32px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1rem;
  box-shadow: 0 4px 20px rgba(26,58,107,0.35);
  transition: all var(--transition);
  text-decoration: none;
  display: inline-block;
  cursor: pointer;
}
.btn-primary-custom:hover,
.btn-secondary-custom:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(26,58,107,0.55);
  color: #fff;
  opacity: .92;
}

/* ── Bootstrap button overrides ── */
.btn-primary, .btn-success, .btn-info {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  border: none;
  color: #fff;
  font-weight: 600;
  transition: all var(--transition);
}
.btn-primary:hover, .btn-success:hover, .btn-info:hover {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--secondary) 100%);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(26,58,107,.4);
  color: #fff;
  border: none;
}
.btn-outline-primary {
  color: var(--primary);
  border-color: var(--primary);
}
.btn-outline-primary:hover, .btn-outline-primary:focus {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 4px 14px rgba(26,58,107,.35);
}

/* ── Page Hero (inner pages) ── */
.page-hero {
  background: #060e1a;
  padding: 140px 0 80px;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 90% 120% at 50% 10%, rgba(26,58,107,0.6) 0%, transparent 70%);
  pointer-events: none;
}
.page-hero h1 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 800; margin-bottom: 14px; }
.page-hero p { font-size: 1.1rem; opacity: .8; max-width: 560px; margin: 0 auto; }
.breadcrumb-item a { color: var(--secondary); text-decoration: none; }
.breadcrumb-item.active { color: rgba(255,255,255,.7); }
.breadcrumb-item + .breadcrumb-item::before { color: rgba(255,255,255,.4); }

/* ── Utility ── */
.bg-primary-light { background: var(--primary-light); }
.text-primary-custom { color: var(--primary); }
.text-secondary-custom { color: var(--secondary); }
.rounded-custom { border-radius: var(--radius); }
.animate-fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .6s ease, transform .6s ease;
}
.animate-fade-up.visible { opacity: 1; transform: translateY(0); }

/* ── RTL Support ── */
[dir="rtl"] .footer-links a::before { content: '←'; }
[dir="rtl"] .contact-info-card:hover { transform: translateX(-4px); }
[dir="rtl"] .testimonial-card { border-left: none; border-right: 4px solid var(--primary); }
[dir="rtl"] .country-feature { flex-direction: row; }
[dir="rtl"] .service-card::before { right: 0; left: 0; }

/* ═══════════════════════
   DARK MODE TOGGLE BUTTON
   ═══════════════════════ */
#darkToggle {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid transparent;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.1rem;
  transition: all var(--transition);
  flex-shrink: 0;
}
#darkToggle:hover {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(26,58,107,.35);
}

/* ═══════════════════════
   DARK MODE — COMPONENT OVERRIDES
   ═══════════════════════ */

/* Loader */
[data-theme="dark"] #page-loader { background: #0d131a; }

/* Navbar */
[data-theme="dark"] .navbar {
  background: var(--navbar-bg) !important;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  box-shadow: 0 4px 30px rgba(0,0,0,.4) !important;
}
[data-theme="dark"] .navbar-brand .brand-text,
[data-theme="dark"] .navbar-brand .brand-text span {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
[data-theme="dark"] .lang-switcher .dropdown-menu {
  background: rgba(22, 32, 44, 0.95);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,0.1);
}
[data-theme="dark"] .lang-switcher .dropdown-item { color: #f8f9fa; }
[data-theme="dark"] .lang-switcher .dropdown-item:hover { background: rgba(26,111,196,.3); color: #6ab0f5; }
[data-theme="dark"] .lang-switcher .dropdown-item.active { background: var(--primary); color: #fff; }

/* Service cards */
[data-theme="dark"] .service-card { background: var(--card-bg); border: 1px solid rgba(255,255,255,0.05); box-shadow: 0 8px 32px rgba(0,0,0,.3); }
[data-theme="dark"] .service-card:hover { box-shadow: 0 12px 48px rgba(0,0,0,.5), 0 0 0 1px rgba(26,111,196,.3) inset; transform: translateY(-8px); }
[data-theme="dark"] .service-card h4 { color: var(--text-main); }
[data-theme="dark"] .service-icon { background: rgba(26,111,196,0.15); }

/* Countries */
[data-theme="dark"] .countries-section { background: var(--bg-body); }
[data-theme="dark"] .country-tabs .nav-link { background: var(--card-bg); border: 1px solid rgba(255,255,255,0.1) !important; color: var(--text-main); }
[data-theme="dark"] .country-tabs .nav-link:hover,
[data-theme="dark"] .country-tabs .nav-link.active { background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%) !important; border-color: transparent !important; color: #fff !important; }
[data-theme="dark"] .country-tab-content { background: var(--card-bg); border: 1px solid rgba(255,255,255,0.05); box-shadow: 0 10px 40px rgba(0,0,0,.4); }
[data-theme="dark"] .country-info h3 { color: var(--text-main); }
[data-theme="dark"] .country-feature { border-bottom-color: rgba(255,255,255,0.05); }
[data-theme="dark"] .university-badge { background: rgba(26,111,196,.2); color: #6ab0f5; }
[data-theme="dark"] .bg-primary-light { background: rgba(26,111,196,.15) !important; }

/* Gallery */
[data-theme="dark"] .gallery-filter-btn { background: var(--card-bg); border: 1px solid rgba(255,255,255,0.1); color: var(--text-main); }
[data-theme="dark"] .gallery-filter-btn:hover,
[data-theme="dark"] .gallery-filter-btn.active { background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%); border-color: transparent; color: #fff; }
[data-theme="dark"] .upload-zone { background: rgba(26,111,196,.08); border-color: rgba(26,111,196,.4); }
[data-theme="dark"] .upload-zone:hover { background: rgba(26,111,196,.15); }

/* Testimonials */
[data-theme="dark"] .testimonial-card { background: var(--card-bg); border-color: var(--primary); box-shadow: 0 8px 32px rgba(0,0,0,.3); }
[data-theme="dark"] .testimonial-author h6 { color: var(--text-main); }

/* FAQ */
[data-theme="dark"] .faq-item { background: var(--card-bg); border: 1px solid rgba(255,255,255,0.05); }
[data-theme="dark"] .faq-question { color: var(--text-main); }
[data-theme="dark"] .faq-answer { color: var(--text-muted); }

/* About stat cards */
[data-theme="dark"] .about-stat-card { background: var(--card-bg); border: 1px solid rgba(255,255,255,0.05); box-shadow: 0 8px 32px rgba(0,0,0,.3); }

/* Contact */
[data-theme="dark"] .contact-info-card { background: var(--card-bg); border: 1px solid rgba(255,255,255,0.05); }
[data-theme="dark"] .contact-info-card h6 { color: var(--text-main); }
[data-theme="dark"] .contact-form-card { background: var(--card-bg); border: 1px solid rgba(255,255,255,0.05); box-shadow: 0 10px 40px rgba(0,0,0,.4); }
[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select { background: rgba(0,0,0,.2); border: 1px solid rgba(255,255,255,0.1); color: var(--text-main); }
[data-theme="dark"] .form-control::placeholder { color: rgba(255,255,255,.4); }
[data-theme="dark"] .form-control:focus,
[data-theme="dark"] .form-select:focus { background: rgba(0,0,0,.3); border-color: var(--primary); box-shadow: 0 0 0 4px rgba(26,111,196,.2); }
[data-theme="dark"] .form-label { color: var(--text-main); }
[data-theme="dark"] .form-select option { background: var(--card-bg); color: var(--text-main); }

/* Section labels and titles */
[data-theme="dark"] .section-title { color: var(--text-main); }
[data-theme="dark"] .section-label { background: rgba(26,111,196,.2); color: #6ab0f5; }

/* ── Dark Mode: Footer ── */
[data-theme="dark"] .footer {
  color: rgba(255,255,255,.7);
}
[data-theme="dark"] .footer-brand .brand-text { color: #e2e8f0; }
[data-theme="dark"] .footer-desc { color: rgba(255,255,255,.45); }
[data-theme="dark"] .footer-title {
  color: #cbd5e0;
  position: relative;
  padding-bottom: 10px;
  margin-bottom: 18px;
}
[data-theme="dark"] .footer-title::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 28px; height: 2px;
  background: var(--primary);
  border-radius: 2px;
}
[data-theme="dark"] .footer-links a { color: rgba(255,255,255,.4); }
[data-theme="dark"] .footer-links a:hover { color: #6ab0f5; }
[data-theme="dark"] .footer-social a {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.08);
  color: rgba(255,255,255,.6);
}
[data-theme="dark"] .footer-social a:hover {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 4px 16px rgba(26,58,107,.5);
}
[data-theme="dark"] .footer-bottom {
  border-top-color: rgba(255,255,255,.06);
}
[data-theme="dark"] .footer-bottom p { color: rgba(255,255,255,.3); }

/* ── Dark Mode: Hero ── */
[data-theme="dark"] .hero-badge {
  background: rgba(26, 111, 196, 0.2);
  border-color: rgba(26, 111, 196, 0.45);
  color: #93c5fd;
}
[data-theme="dark"] .hero-card-float {
  background: rgba(10, 22, 40, 0.75);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(26, 111, 196, 0.25);
  box-shadow: 0 24px 64px rgba(0,0,0,.6), 0 0 0 1px rgba(26,111,196,.1) inset;
}
[data-theme="dark"] .hero-icon-item {
  background: rgba(26, 111, 196, 0.1);
  border: 1px solid rgba(26, 111, 196, 0.15);
}
[data-theme="dark"] .hero-icon-item:hover {
  background: rgba(26, 111, 196, 0.2);
  border-color: rgba(26, 111, 196, 0.3);
}
[data-theme="dark"] .hero-icon-item i { color: #6ab0f5; }

/* Responsive */
@media (max-width: 768px) {
  .hero-stats { flex-wrap: wrap; gap: 20px; }
  .country-tab-content { padding: 24px 16px; }
  .contact-form-card { padding: 24px 16px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 576px) {
  .about-stat-card { padding: 20px 16px; }
  .service-card { padding: 24px 20px; }
  .contact-info-card { padding: 16px; }
  .country-tab-content { padding: 20px 12px; }
}

@media (max-width: 480px) {
  .hero-stats { gap: 14px; }
  .hero-stat strong { font-size: 1.4rem; }
  .about-stat-card strong { font-size: 1.5rem; }
  .section-title { font-size: clamp(1.3rem, 5vw, 1.8rem); }
}

/* Compact navbar at xl (1200–1399px) — prevents overflow with long-text locales like Russian */
@media (min-width: 1200px) and (max-width: 1399px) {
  .navbar-brand .brand-text { font-size: 1.2rem; }
  .nav-link { padding: 6px 8px !important; font-size: 0.875rem; }
  .navbar-nav { gap: 0 !important; }
  .btn-primary-custom { padding: 8px 16px; font-size: 0.875rem; }
  .lang-switcher .dropdown-toggle { padding: 5px 10px; font-size: 0.875rem; }
}