/* International Modern Language Center — Premium Theme */
:root {
  --blue-900: #0a2540;
  --blue-800: #0d3a6b;
  --blue-700: #1a5f9e;
  --blue-600: #2563eb;
  --blue-500: #3b82f6;
  --blue-100: #e8f2fc;
  --gold-600: #b8860b;
  --gold-500: #d4a017;
  --gold-400: #e8c547;
  --gold-100: #fdf8e8;
  --white: #ffffff;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;
  --shadow-sm: 0 1px 3px rgba(10, 37, 64, 0.08);
  --shadow-md: 0 8px 24px rgba(10, 37, 64, 0.12);
  --shadow-lg: 0 20px 50px rgba(10, 37, 64, 0.15);
  --radius: 12px;
  --radius-lg: 20px;
  --font-sans: "Plus Jakarta Sans", system-ui, sans-serif;
  --font-display: "Playfair Display", Georgia, serif;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --header-h: 80px;
  --bg: var(--gray-50);
  --text: var(--gray-800);
  --text-muted: var(--gray-600);
  --card-bg: var(--white);
  --border: var(--gray-200);
}

[data-theme="dark"] {
  --bg: #0c1624;
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --card-bg: #132337;
  --border: #1e3a5f;
  --gray-50: #0f1d2e;
  --gray-100: #152238;
  --blue-100: #1a3050;
  --gold-100: #2a2410;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.5);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 16px;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue-600); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--gold-500); }
ul { list-style: none; }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 700; line-height: 1.2; color: var(--blue-900); }
[data-theme="dark"] h1,
[data-theme="dark"] h2,
[data-theme="dark"] h3,
[data-theme="dark"] h4 { color: var(--white); }

.container { width: min(1200px, 92%); margin-inline: auto; }
.section { padding: 5rem 0; }
.section-header { text-align: center; max-width: 640px; margin: 0 auto 3rem; }
.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold-600);
  margin-bottom: 0.5rem;
}
.section-title { font-size: clamp(1.75rem, 4vw, 2.5rem); margin-bottom: 0.75rem; }
.section-desc { color: var(--text-muted); font-size: 1.05rem; }

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition), background var(--transition);
}
[data-theme="dark"] .header { background: rgba(12, 22, 36, 0.95); }
.header.scrolled { box-shadow: var(--shadow-md); }
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 1rem;
}
.logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--blue-900);
  line-height: 1.2;
}
[data-theme="dark"] .logo { color: var(--white); }
.logo-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--blue-700), var(--blue-600));
  border-radius: 10px;
  display: grid;
  place-items: center;
  color: var(--gold-400);
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  box-shadow: var(--shadow-sm);
}
.logo span { display: block; font-size: 0.7rem; font-weight: 500; color: var(--gold-600); }

.nav { display: flex; align-items: center; gap: 0.25rem; }
.nav a {
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gray-700);
  border-radius: 8px;
  transition: background var(--transition), color var(--transition);
}
[data-theme="dark"] .nav a { color: var(--gray-300); }
.nav a:hover, .nav a.active { background: var(--blue-100); color: var(--blue-700); }
[data-theme="dark"] .nav a:hover,
[data-theme="dark"] .nav a.active { background: var(--blue-800); color: var(--gold-400); }

.header-actions { display: flex; align-items: center; gap: 0.5rem; }
.lang-switcher {
  display: flex;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}
.lang-switcher-3 button {
  padding: 0.3rem 0.45rem;
  font-size: 0.62rem;
}
.lang-switcher button {
  padding: 0.35rem 0.6rem;
  font-size: 0.7rem;
  font-weight: 700;
  border: none;
  background: transparent;
  cursor: pointer;
  color: var(--text-muted);
  transition: background var(--transition), color var(--transition);
}
.lang-switcher button.active {
  background: var(--blue-700);
  color: var(--white);
}
.theme-toggle, .nav-toggle {
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card-bg);
  cursor: pointer;
  display: grid;
  place-items: center;
  font-size: 1.1rem;
  transition: border-color var(--transition);
}
.nav-toggle { display: none; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-size: 0.9rem;
  font-weight: 700;
  border-radius: 10px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.2s, box-shadow var(--transition), background var(--transition);
  font-family: inherit;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: linear-gradient(135deg, var(--blue-700), var(--blue-600));
  color: var(--white);
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}
.btn-primary:hover { box-shadow: 0 8px 24px rgba(37, 99, 235, 0.45); color: var(--white); }
.btn-gold {
  background: linear-gradient(135deg, var(--gold-600), var(--gold-500));
  color: var(--white);
  box-shadow: 0 4px 14px rgba(212, 160, 23, 0.35);
}
.btn-gold:hover { color: var(--white); }
.btn-outline {
  background: transparent;
  border-color: var(--white);
  color: var(--white);
}
.btn-outline-dark {
  background: transparent;
  border-color: var(--blue-700);
  color: var(--blue-700);
}
[data-theme="dark"] .btn-outline-dark { border-color: var(--gold-400); color: var(--gold-400); }
.btn-sm { padding: 0.5rem 1rem; font-size: 0.8rem; }

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-h);
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgba(10, 37, 64, 0.92) 0%, rgba(13, 58, 107, 0.85) 50%, rgba(26, 95, 158, 0.75) 100%),
    url("https://images.unsplash.com/photo-1523240795612-9a054b0db644?w=1920&q=80") center/cover no-repeat;
}
.hero-content { position: relative; z-index: 2; color: var(--white); max-width: 720px; padding: 4rem 0; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: rgba(232, 197, 71, 0.2);
  border: 1px solid rgba(232, 197, 71, 0.4);
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  animation: fadeUp 0.8s ease both;
}
.hero h1 {
  font-size: clamp(2.25rem, 5.5vw, 3.75rem);
  color: var(--white);
  margin-bottom: 1.25rem;
  animation: fadeUp 0.8s 0.1s ease both;
}
.hero p {
  font-size: 1.15rem;
  opacity: 0.92;
  margin-bottom: 2rem;
  max-width: 560px;
  animation: fadeUp 0.8s 0.2s ease both;
}
.hero-btns { display: flex; flex-wrap: wrap; gap: 1rem; animation: fadeUp 0.8s 0.3s ease both; }
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 2.5rem;
  margin-top: 3.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  animation: fadeUp 0.8s 0.4s ease both;
}
.hero-stat strong { display: block; font-size: 2rem; font-family: var(--font-display); color: var(--gold-400); }
.hero-stat span { font-size: 0.85rem; opacity: 0.85; }

/* Cards grid */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; }

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.card-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: var(--blue-100);
  display: grid;
  place-items: center;
  font-size: 1.75rem;
  margin-bottom: 1rem;
}
.lang-card { text-align: center; padding: 2rem 1.25rem; }
.lang-card .flag { font-size: 3rem; margin-bottom: 0.75rem; line-height: 1; }
.lang-card h3 { font-size: 1.15rem; margin-bottom: 0.5rem; font-family: var(--font-sans); }
.lang-card p { font-size: 0.85rem; color: var(--text-muted); }

/* Why us */
.feature-card .card-icon { background: linear-gradient(135deg, var(--gold-100), var(--blue-100)); }

/* Stats bar */
.stats-bar {
  background: linear-gradient(135deg, var(--blue-900), var(--blue-700));
  padding: 3.5rem 0;
  color: var(--white);
}
.stats-bar .grid-4 { text-align: center; }
.stats-bar strong {
  display: block;
  font-size: 2.75rem;
  font-family: var(--font-display);
  color: var(--gold-400);
  margin-bottom: 0.25rem;
}
.stats-bar span { font-size: 0.9rem; opacity: 0.9; }

/* Testimonials */
.testimonial-card {
  position: relative;
  padding-top: 2.5rem;
}
.testimonial-card::before {
  content: "\201C";
  position: absolute;
  top: 0.5rem;
  left: 1.5rem;
  font-size: 4rem;
  font-family: var(--font-display);
  color: var(--gold-400);
  opacity: 0.4;
  line-height: 1;
}
.testimonial-card .stars { color: var(--gold-500); margin-bottom: 0.75rem; letter-spacing: 2px; }
.testimonial-card .author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}
.testimonial-card .avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--blue-100);
  display: grid;
  place-items: center;
  font-weight: 700;
  color: var(--blue-700);
}

/* News */
.news-card img { border-radius: var(--radius) var(--radius) 0 0; aspect-ratio: 16/10; object-fit: cover; width: 100%; }
.news-card .card-body { padding: 1.25rem; }
.news-card .date { font-size: 0.75rem; color: var(--gold-600); font-weight: 600; margin-bottom: 0.5rem; }
.news-card h3 { font-size: 1.1rem; font-family: var(--font-sans); margin-bottom: 0.5rem; }

/* Page hero */
.page-hero {
  padding: calc(var(--header-h) + 4rem) 0 4rem;
  background: linear-gradient(135deg, var(--blue-900), var(--blue-700));
  color: var(--white);
  text-align: center;
}
.page-hero h1 { color: var(--white); font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 0.75rem; }
.page-hero p { opacity: 0.9; max-width: 560px; margin: 0 auto; }
.breadcrumb {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  margin-bottom: 1rem;
  opacity: 0.8;
}
.breadcrumb a { color: var(--gold-400); }

/* Course sections */
.course-block {
  padding: 3rem 0;
  border-bottom: 1px solid var(--border);
}
.course-block:last-child { border-bottom: none; }
.course-header {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 2rem;
}
.course-header .flag { font-size: 3.5rem; }
.course-header h2 { font-size: 1.75rem; }
.course-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.course-table th,
.course-table td {
  padding: 0.85rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.course-table th {
  background: var(--blue-100);
  color: var(--blue-800);
  font-weight: 700;
}
[data-theme="dark"] .course-table th { background: var(--blue-800); color: var(--white); }
.course-table tr:hover td { background: var(--gray-50); }
[data-theme="dark"] .course-table tr:hover td { background: var(--gray-100); }

/* Teacher card */
.teacher-card { text-align: center; overflow: hidden; padding: 0; }
.teacher-card img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}
.teacher-card .info { padding: 1.5rem; }
.teacher-card .langs { display: flex; flex-wrap: wrap; gap: 0.35rem; justify-content: center; margin-top: 0.75rem; }
.tag {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  font-size: 0.7rem;
  font-weight: 600;
  background: var(--blue-100);
  color: var(--blue-700);
  border-radius: 50px;
}
[data-theme="dark"] .tag { background: var(--blue-800); color: var(--gold-400); }

/* Gallery */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}
.gallery-item {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.gallery-item:hover img { transform: scale(1.08); }
.gallery-item .overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(transparent 50%, rgba(10, 37, 64, 0.85));
  display: flex;
  align-items: flex-end;
  padding: 1rem;
  color: var(--white);
  font-weight: 600;
  font-size: 0.9rem;
  opacity: 0;
  transition: opacity var(--transition);
}
.gallery-item:hover .overlay { opacity: 1; }

/* Blog */
.blog-card { overflow: hidden; padding: 0; }
.blog-card img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.blog-card .content { padding: 1.5rem; }
.blog-card .category {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gold-600);
}

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 2.5rem; align-items: start; }
.contact-info-item {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.contact-info-item .icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--blue-100);
  display: grid;
  place-items: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}
.map-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  margin-top: 2rem;
  min-height: 320px;
}
.map-wrap iframe { width: 100%; height: 320px; border: 0; }

/* Forms */
.form-group { margin-bottom: 1.25rem; }
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--text);
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-family: inherit;
  font-size: 0.95rem;
  background: var(--card-bg);
  color: var(--text);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--blue-500);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

/* FAQ */
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 0.75rem;
  overflow: hidden;
  background: var(--card-bg);
}
.faq-question {
  width: 100%;
  padding: 1.15rem 1.5rem;
  text-align: left;
  font-weight: 700;
  font-size: 0.95rem;
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text);
  font-family: inherit;
}
.faq-question::after { content: "+"; font-size: 1.25rem; color: var(--gold-500); transition: transform var(--transition); }
.faq-item.open .faq-question::after { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}
.faq-item.open .faq-answer { max-height: 300px; padding: 0 1.5rem 1.15rem; }
.faq-answer p { color: var(--text-muted); font-size: 0.9rem; }

/* Rating */
.rating-display { display: flex; align-items: center; gap: 0.5rem; }
.rating-display .score { font-size: 2.5rem; font-weight: 800; color: var(--blue-700); }
.rating-bars { flex: 1; }
.rating-bar-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  margin-bottom: 0.35rem;
}
.rating-bar-row .bar {
  flex: 1;
  height: 8px;
  background: var(--gray-200);
  border-radius: 4px;
  overflow: hidden;
}
.rating-bar-row .fill { height: 100%; background: var(--gold-500); border-radius: 4px; }

/* Dashboard preview */
.dashboard-preview {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.dashboard-preview .top-bar {
  background: var(--blue-900);
  color: var(--white);
  padding: 0.75rem 1.25rem;
  font-size: 0.85rem;
  font-weight: 600;
}
.dashboard-preview .body {
  display: grid;
  grid-template-columns: 200px 1fr;
  min-height: 280px;
}
.dashboard-preview .sidebar {
  background: var(--gray-100);
  padding: 1rem;
  font-size: 0.8rem;
}
[data-theme="dark"] .dashboard-preview .sidebar { background: var(--gray-100); }
.dashboard-preview .sidebar li {
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
  margin-bottom: 0.25rem;
  color: var(--text-muted);
}
.dashboard-preview .sidebar li.active {
  background: var(--blue-100);
  color: var(--blue-700);
  font-weight: 600;
}
.dashboard-preview .main-panel { padding: 1.25rem; }
.progress-bar {
  height: 8px;
  background: var(--gray-200);
  border-radius: 4px;
  margin-top: 0.5rem;
  overflow: hidden;
}
.progress-bar .fill {
  height: 100%;
  background: linear-gradient(90deg, var(--blue-600), var(--gold-500));
  border-radius: 4px;
}

/* Certificates */
.cert-grid { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: center; }
.cert-badge {
  width: 140px;
  padding: 1.25rem;
  text-align: center;
  border: 2px solid var(--gold-400);
  border-radius: var(--radius);
  background: var(--gold-100);
}
.cert-badge .icon { font-size: 2rem; margin-bottom: 0.5rem; }
.cert-badge span { font-size: 0.75rem; font-weight: 700; color: var(--blue-800); }

/* Footer */
.footer {
  background: var(--blue-900);
  color: rgba(255, 255, 255, 0.85);
  padding: 4rem 0 0;
}
.footer h4 { color: var(--gold-400); font-size: 1rem; margin-bottom: 1.25rem; font-family: var(--font-sans); }
.footer a { color: rgba(255, 255, 255, 0.75); font-size: 0.9rem; display: block; margin-bottom: 0.5rem; }
.footer a:hover { color: var(--gold-400); }
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 2rem; padding-bottom: 3rem; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1.5rem 0;
  text-align: center;
  font-size: 0.85rem;
  opacity: 0.7;
}

/* Floating buttons */
.float-actions {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}
.float-btn {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--white);
  font-size: 1.35rem;
  box-shadow: var(--shadow-lg);
  transition: transform 0.2s;
  border: none;
  cursor: pointer;
  text-decoration: none;
}
.float-btn:hover { transform: scale(1.1); color: var(--white); }
.float-btn.whatsapp { background: #25d366; }
.float-btn.telegram { background: #0088cc; }
.float-btn.chat { background: var(--blue-600); font-size: 1rem; }

/* Live chat widget */
.chat-widget {
  position: fixed;
  bottom: 6.5rem;
  right: 1.5rem;
  width: 320px;
  max-height: 420px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  z-index: 998;
  display: none;
  flex-direction: column;
  overflow: hidden;
}
.chat-widget.open { display: flex; }
.chat-widget-header {
  background: var(--blue-700);
  color: var(--white);
  padding: 1rem;
  font-weight: 700;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.chat-widget-body {
  padding: 1rem;
  flex: 1;
  overflow-y: auto;
  font-size: 0.85rem;
}
.chat-msg {
  padding: 0.65rem 0.85rem;
  background: var(--blue-100);
  border-radius: 12px 12px 12px 4px;
  margin-bottom: 0.75rem;
  max-width: 85%;
}
.chat-widget-footer {
  padding: 0.75rem;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 0.5rem;
}
.chat-widget-footer input {
  flex: 1;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.85rem;
  background: var(--card-bg);
  color: var(--text);
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 37, 64, 0.6);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  max-width: 520px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: 2rem;
  position: relative;
  animation: fadeUp 0.3s ease;
}
.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 36px;
  height: 36px;
  border: none;
  background: var(--gray-100);
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.25rem;
}

/* Animations */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Partners carousel */
.partners-section { overflow: hidden; }
.partners-carousel { mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.partners-track {
  display: flex;
  gap: 2.5rem;
  align-items: center;
  width: max-content;
  animation: partnersScroll 35s linear infinite;
}
.partners-track:hover { animation-play-state: paused; }
.partner-item {
  flex: 0 0 140px;
  height: 72px;
  display: grid;
  place-items: center;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: .75rem 1rem;
  transition: transform var(--transition), box-shadow var(--transition);
}
.partner-item:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.partner-item img { max-width: 100%; max-height: 48px; object-fit: contain; }
.partner-name { font-size: .75rem; font-weight: 700; text-align: center; color: var(--text-muted); }
@keyframes partnersScroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* Mobile nav */
.mobile-nav {
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--card-bg);
  z-index: 999;
  padding: 1.5rem;
  transform: translateX(100%);
  transition: transform var(--transition);
  overflow-y: auto;
}
.mobile-nav.open { transform: translateX(0); }
.mobile-nav a {
  display: block;
  padding: 0.85rem 0;
  font-weight: 600;
  font-size: 1rem;
  color: var(--text);
  border-bottom: 1px solid var(--border);
}

/* Responsive */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .nav { display: none; }
  .nav-toggle { display: grid; }
  .dashboard-preview .body { grid-template-columns: 1fr; }
  .dashboard-preview .sidebar { display: none; }
}
@media (max-width: 768px) {
  .section { padding: 3.5rem 0; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
  .hero-btns { flex-direction: column; }
  .hero-btns .btn { width: 100%; }
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .course-table { font-size: 0.8rem; }
  .course-table th, .course-table td { padding: 0.6rem; }
  .float-actions { bottom: 1rem; right: 1rem; }
  .chat-widget { width: calc(100% - 2rem); right: 1rem; }
}
/* Trust strip */
.trust-strip {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 0.85rem 0;
}
[data-theme="dark"] .trust-strip { background: var(--card-bg); }
.trust-strip .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem 2.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--gray-600);
}
[data-theme="dark"] .trust-strip .container { color: var(--text-muted); }
.trust-strip span { display: flex; align-items: center; gap: 0.4rem; }
.trust-strip .gold { color: var(--gold-600); }

/* Audience cards */
.audience-card {
  text-align: center;
  padding: 2rem 1.5rem;
  position: relative;
  overflow: hidden;
}
.audience-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--blue-600), var(--gold-500));
}
.audience-card .audience-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 1rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue-100), var(--gold-100));
  display: grid;
  place-items: center;
  font-size: 1.75rem;
}
.audience-card h3 { font-family: var(--font-sans); font-size: 1.1rem; margin-bottom: 0.5rem; }
.audience-card p { font-size: 0.88rem; color: var(--text-muted); margin-bottom: 1rem; }
.audience-card .btn { width: 100%; }

/* CTA banner */
.cta-banner {
  background: linear-gradient(135deg, var(--blue-900) 0%, var(--blue-700) 60%, var(--blue-600) 100%);
  padding: 4rem 0;
  text-align: center;
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.cta-banner::after {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(232, 197, 71, 0.15) 0%, transparent 70%);
  border-radius: 50%;
}
.cta-banner h2 { color: var(--white); margin-bottom: 0.75rem; position: relative; z-index: 1; }
.cta-banner p { opacity: 0.9; margin-bottom: 1.5rem; max-width: 520px; margin-inline: auto; position: relative; z-index: 1; }
.cta-banner .hero-btns { justify-content: center; position: relative; z-index: 1; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  html { scroll-behavior: auto; }
}