/* =====================================
   VARIABLES - LIGHT THEME (default)
   ===================================== */
:root,
[data-theme="light"] {
  --primary: #1a3a5c;
  --primary-light: #2a5a8c;
  --primary-dark: #0f2440;
  --accent: #e8893a;
  --accent-light: #f0a55a;
  --accent-dark: #c96e20;
  --secondary: #4a90d9;

  --bg: #ffffff;
  --bg-alt: #f5f7fa;
  --bg-card: #ffffff;
  --text: #2c3e50;
  --text-light: #6c7a89;
  --text-inverse: #ffffff;
  --border: #e1e8ed;
  --shadow: 0 2px 16px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
  --radius: 12px;
  --radius-sm: 8px;
  --transition: 0.3s ease;
}

/* =====================================
   DARK THEME
   ===================================== */
[data-theme="dark"] {
  --primary: #2a5a8c;
  --primary-light: #4a7ab0;
  --primary-dark: #1a3a5c;
  --accent: #f0a55a;
  --accent-light: #f5c08a;
  --accent-dark: #e8893a;
  --secondary: #6aade8;

  --bg: #0f1a2e;
  --bg-alt: #162240;
  --bg-card: #1a2a45;
  --text: #e8edf2;
  --text-light: #a0b0c0;
  --text-inverse: #0f1a2e;
  --border: #2a3a55;
  --shadow: 0 2px 16px rgba(0,0,0,0.3);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.4);
}

/* =====================================
   RESET & BASE
   ===================================== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  transition: background var(--transition), color var(--transition);
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

/* =====================================
   HEADER
   ===================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition), border-color var(--transition);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
}

.logo-mascot {
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.logo i {
  font-size: 1.5rem;
  color: var(--accent);
}

.nav {
  display: flex;
  gap: 8px;
}

.nav-link {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  color: var(--text-light);
  transition: all var(--transition);
}

.nav-link:hover {
  color: var(--primary);
  background: var(--bg-alt);
}

.nav-link.active {
  color: var(--text-inverse);
  background: var(--primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.theme-toggle:hover {
  background: var(--bg-alt);
  border-color: var(--primary);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition);
}

/* =====================================
   PAGE SYSTEM
   ===================================== */
.page {
  display: none;
  animation: fadeIn 0.5s ease;
}

.page.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-hero {
  padding: 120px 0 60px;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: var(--text-inverse);
  text-align: center;
}

.page-hero h1 {
  font-size: 2.5rem;
  margin-bottom: 12px;
}

.page-hero p {
  font-size: 1.1rem;
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto;
}

.pageHtml {
  
  margin:100px auto;
  display:block;
  max-width: 900px;
  padding-left: 100px;
  

}

/* =====================================
   HERO (accueil)
   ===================================== */
.hero {
  padding: 120px 0 60px;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary), var(--primary-light));
  color: var(--text-inverse);
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.hero-content h1 {
  font-size: 2.8rem;
  line-height: 1.2;
  margin-bottom: 20px;
}

.hero-content p {
  font-size: 1.1rem;
  opacity: 0.9;
  margin-bottom: 32px;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-image img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  width: 100%;
  height: 360px;
  object-fit: cover;
}

.hero-paragraph {
  text-align: left;
  color: var(--text-inverse);
  font-size: 1.1rem;
  line-height: 1.7;
}

/* =====================================
   BUTTONS
   ===================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
}

.btn-primary {
  background: var(--accent);
  color: var(--text-inverse);
  border-color: var(--accent);
}

.btn-primary:hover {
  background: var(--accent-light);
  border-color: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(232, 137, 58, 0.4);
}

.btn-outline {
  background: transparent;
  color: var(--text-inverse);
  border-color: rgba(255,255,255,0.5);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--text-inverse);
}

/* =====================================
   STATS
   ===================================== */
.stats {
  padding: 48px 0;
  background: var(--bg-alt);
  transition: background var(--transition);
}

.stats .container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.stat-card {
  text-align: center;
  padding: 24px;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent);
  display: block;
}

.stat-label {
  font-size: 0.95rem;
  color: var(--text-light);
  margin-top: 4px;
}

/* =====================================
   SECTIONS
   ===================================== */
.section {
  padding: 10px 0;
}

.section-gray {
  background: var(--bg-alt);
}

.section-title {
  font-size: 2rem;
  text-align: center;
  margin-top: 20px;
  margin-bottom: 20px;
  color: var(--primary);
}

.subtitle {
  font-size: 1rem;
  text-align: left;
  margin-bottom: 25px;
  margin-top: 20px;
  color: var(--text-light);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* =====================================
   FEATURES
   ===================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: all var(--transition);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.feature-card i {
  font-size: 2.2rem;
  color: var(--accent);
  margin-bottom: 16px;
}

.feature-card h3 {
  margin-bottom: 8px;
  color: var(--primary);
  
}

.feature-card p {
  color: var(--text-light);
  font-size: 0.95rem;
  text-align:left;
}

/* =====================================
   TESTIMONIALS
   ===================================== */
.testimonials-carousel {
  display: flex;
  gap: 24px;
  overflow: hidden;
  scroll-snap-type: x mandatory;
  padding: 8px 0;
}

.testimonial-card {
  flex: 0 0 calc(33.333% - 16px);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  scroll-snap-align: start;
}

.testimonial-stars {
  color: #f1c40f;
  margin-bottom: 12px;
  font-size: 0.9rem;
}

.testimonial-card p {
  font-style: italic;
  color: var(--text);
  margin-bottom: 16px;
  line-height: 1.7;
}

.testimonial-author strong {
  display: block;
  color: var(--primary);
  font-size: 0.95rem;
}

.testimonial-author span {
  font-size: 0.85rem;
  color: var(--text-light);
}

.carousel-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 24px;
}

.carousel-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.carousel-btn:hover {
  background: var(--primary);
  color: var(--text-inverse);
  border-color: var(--primary);
}

.carousel-dots {
  display: flex;
  gap: 8px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border);
  cursor: pointer;
  transition: all var(--transition);
}

.dot.active {
  background: var(--accent);
  width: 28px;
  border-radius: 5px;
}

/* =====================================
   BLOG
   ===================================== */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.blog-img {
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: rgba(255,255,255,0.8);
}

.blog-body {
  padding: 20px;
}

.blog-date {
  font-size: 0.85rem;
  color: var(--text-light);
}

.blog-body h3 {
  font-size: 1.1rem;
  margin: 8px 0;
  color: var(--primary);
}

.blog-body p {
  font-size: 0.9rem;
  color: var(--text-light);
  margin-bottom: 12px;
}

.blog-link {
  color: var(--accent);
  font-weight: 600;
  font-size: 0.9rem;
}

.blog-link i {
  font-size: 0.8rem;
  transition: transform var(--transition);
}

.blog-link:hover i {
  transform: translateX(4px);
}

/* =====================================
   MATIÈRES
   ===================================== */
.level-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 40px;
}

.level-tab {
  padding: 12px 32px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition);
}

.level-tab:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.level-tab.active {
  background: var(--primary);
  color: var(--text-inverse);
  border-color: var(--primary);
}

.level-content {
  display: none;
}

.level-content.active {
  display: block;
  animation: fadeIn 0.4s ease;
}

.subjects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.subject-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: all var(--transition);
}

.subject-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.subject-card i {
  font-size: 2rem;
  color: var(--accent);
  margin-bottom: 12px;
}

.subject-card h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
  color: var(--primary);
}

.subject-card p {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.6;
}

.badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  background: var(--accent);
  color: var(--text-inverse);
  padding: 2px 8px;
  border-radius: 20px;
  vertical-align: middle;
  margin-left: 4px;
}

.speciality {
  border-left: 3px solid var(--accent);
}

/* =====================================
   TARIFS
   ===================================== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
  text-align: center;
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.pricing-card.featured {
  border-color: var(--accent);
  transform: scale(1.03);
  box-shadow: var(--shadow-lg);
}

.pricing-card.featured:hover {
  transform: scale(1.03) translateY(-4px);
}

.pricing-badge {
  background: var(--accent);
  color: var(--text-inverse);
  text-align: center;
  padding: 8px;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.pricing-header {
  padding: 32px 24px 24px;
}

.pricing-header h3 {
  font-size: 1.3rem;
  color: var(--primary);
  margin-bottom: 16px;
}

.pricing-price {
  font-size: 1rem;
  color: var(--text-light);
  margin-bottom: 4px;
}

.pricing-price .price {
  font-size: 3rem;
  font-weight: 800;
  color: var(--accent);
}

.price-detail {
  font-size: 0.9rem;
  color: var(--text-light);
}

.pricing-header p {
  font-size: 0.9rem;
  color: var(--text-light);
  margin-top: 8px;
}

.pricing-features {
  padding: 0 24px 24px;
  text-align: left;
}

.pricing-features li {
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
}

.pricing-features li:last-child {
  border-bottom: none;
}

.pricing-features li i {
  color: #27ae60;
  font-size: 0.85rem;
}

.pricing-card .btn {
  margin: 0 24px 32px;
}

.pricing-note {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-top: 32px;
  padding: 20px;
  background: var(--bg-alt);
  border-radius: var(--radius);
  font-size: 0.9rem;
  color: var(--text-light);
}

.pricing-note i {
  font-size: 1.5rem;
  color: var(--secondary);
  flex-shrink: 0;
}

/* =====================================
    A propos
   ===================================== */
.team-grid {
  display: flex;
  
}

.team-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  transition: all var(--transition);
  max-width: 800px;
  width: 100%;
  text-align: left;
  margin: 0 auto;
}

.team-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.team-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  margin: 0 auto 16px;
  font-size: 1.8rem;
  color: var(--text-inverse);
}

.team-card h3 {
  font-size: 1.15rem;
  color: var(--primary);
  margin-bottom: 4px;
  text-align:center;
}

.team-card h4 {
  font-size: 0.95rem;
  color: var(--text-light);
  margin-bottom: 12px;
  text-align:center;
}

.team-subject {
  display: block;
  font-size: 0.9rem;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 12px;
}

.team-card p {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.6;
}

.team-description {
  margin-bottom: 16px;
  text-align: left;
}

/* =====================================
   CONTACT
   ===================================== */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 48px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-item i {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--accent);
  flex-shrink: 0;
}

.contact-item h4 {
  font-size: 0.95rem;
  color: var(--primary);
  margin-bottom: 2px;
}

.contact-item p,
.contact-item a {
  font-size: 0.9rem;
  color: var(--text-light);
}

.contact-item a:hover {
  color: var(--accent);
}

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}

.contact-form h3 {
  font-size: 1.3rem;
  color: var(--primary);
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text);
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.contact-form .btn {
  width: 100%;
  justify-content: center;
}

/* =====================================
   FOOTER
   ===================================== */
.footer {
  background: var(--primary-dark);
  color: rgba(255,255,255,0.85);
  padding: 60px 0 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
}

.footer-col .logo {
  color: #fff;
  margin-bottom: 12px;
}

.footer-col .logo i {
  color: var(--accent);
}

.footer-col p {
  font-size: 0.9rem;
  opacity: 0.75;
  line-height: 1.7;
}

.footer-col h4 {
  font-size: 1rem;
  margin-bottom: 16px;
  color: #fff;
}

.footer-col a {
  display: block;
  font-size: 0.9rem;
  opacity: 0.75;
  margin-bottom: 8px;
  transition: opacity var(--transition);
}

.footer-col a:hover {
  opacity: 1;
  color: var(--accent);
}

.social-links {
  display: flex;
  gap: 12px;
}

.social-links a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  transition: all var(--transition);
}

.social-links a:hover {
  background: var(--accent);
  border-color: var(--accent);
  opacity: 1;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  margin-top: 48px;
  padding: 20px 0;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.85rem;
  opacity: 0.6;
}

/* =====================================
   SCROLLBAR
   ===================================== */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-alt);
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-light);
}

/* =====================================
   RESPONSIVE
   ===================================== */
@media (max-width: 992px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-content h1 { font-size: 2.2rem; }
  .hero-buttons { justify-content: center; }
  .hero-image { display: none; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .subjects-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
  .pricing-card.featured { transform: none; }
  .pricing-card.featured:hover { transform: translateY(-4px); }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .blog-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
  .testimonial-card { flex: 0 0 calc(50% - 12px); }
  .footer-inner { grid-template-columns: repeat(2, 1fr); }
  .stats .container { grid-template-columns: repeat(2, 1fr); }
  .contact-wrapper { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav {
    display: none;
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 16px;
    gap: 4px;
    box-shadow: var(--shadow);
  }
  .nav.open { display: flex; }
  .hamburger { display: flex; }
  .hero { padding: 100px 0 40px; }
  .hero-content h1 { font-size: 1.8rem; }
  .page-hero { padding: 100px 0 40px; }
  .page-hero h1 { font-size: 1.8rem; }
  .features-grid { grid-template-columns: 1fr; }
  .subjects-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; }
  .pricing-grid { max-width: 340px; }
  .stats .container { grid-template-columns: repeat(2, 1fr); gap: 0; }
  .testimonial-card { flex: 0 0 100%; }
  .section-title { font-size: 1.5rem; }
  .footer-inner { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .level-tabs { flex-wrap: wrap; }
  .contact-form { padding: 24px; }
}