/* ========================================
   I2SN SCHOOL - MODERN CSS FRAMEWORK
   Version: 2.0
   Date: 8 octobre 2025
   ======================================== */

/* ========================================
   VARIABLES & CUSTOM PROPERTIES
   ======================================== */
:root {
  /* Primary Colors */
  --primary: #0a1440;
  --primary-light: #1a2858;
  --primary-dark: #050a20;
  --secondary: #2539a8;
  --secondary-light: #3d4fc4;
  
  /* Accent Colors */
  --accent: #ffc107;
  --accent-light: #ffdb4d;
  --accent-dark: #ff9800;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-accent: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --gradient-success: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
  --gradient-blue: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --gradient-purple: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
  
  /* Text Colors */
  --text-dark: #212529;
  --text-medium: #495057;
  --text-light: #ffffff;
  --text-muted: #6c757d;
  
  /* Background Colors */
  --background-light: #f8f9fa;
  --background-white: #ffffff;
  --background-dark: #2c3e50;
  --background-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.15);
  --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.2);
  --shadow-colored: 0 10px 30px rgba(102, 126, 234, 0.3);
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 30px;
  --radius-full: 50%;
  
  /* Transitions */
  --transition-fast: all 0.2s ease;
  --transition-base: all 0.3s ease;
  --transition-slow: all 0.5s ease;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 4rem;
  
  /* Typography */
  --font-primary: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-secondary: 'Montserrat', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  --font-size-5xl: 3rem;
}

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

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

body {
  font-family: var(--font-primary);
  background: var(--background-light);
  color: var(--text-dark);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ========================================
   UTILITY CLASSES
   ======================================== */
.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

.container-fluid {
  width: 100%;
  padding: 0 var(--spacing-md);
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

/* ========================================
   HEADER & NAVIGATION
   ======================================== */
header {
  background: var(--gradient-primary);
  color: var(--text-light);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(10px);
  transition: var(--transition-base);
  animation: slideDown 0.5s ease;
}

header.scrolled {
  padding: 0.5rem 0;
  box-shadow: var(--shadow-xl);
}

@keyframes slideDown {
  from {
    transform: translateY(-100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.logo {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) 0;
}

.logo img {
  width: 100px;
  height: 100px;
  border-radius: var(--radius-full);
  transition: var(--transition-base);
  box-shadow: var(--shadow-md);
  border: 3px solid var(--accent);
}

.logo img:hover {
  transform: rotate(360deg) scale(1.1);
  box-shadow: var(--shadow-colored);
}

header h1 {
  font-size: var(--font-size-3xl);
  text-align: center;
  font-weight: 700;
  letter-spacing: 0.5px;
  margin: var(--spacing-sm) 0;
  text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.3);
  animation: fadeInUp 0.8s ease;
}

/* Navigation */
nav ul {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  list-style: none;
  padding: var(--spacing-sm) 0;
}

nav ul li {
  position: relative;
}

nav ul li a {
  position: relative;
  padding: 12px 24px;
  font-weight: 600;
  font-size: var(--font-size-base);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--text-light);
  transition: var(--transition-base);
  overflow: hidden;
  display: inline-block;
}

nav ul li a::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.2);
  transition: var(--transition-base);
  z-index: -1;
}

nav ul li a:hover::before {
  left: 0;
}

nav ul li a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 3px;
  background: var(--accent);
  transform: translateX(-50%);
  transition: width 0.3s ease;
}

nav ul li a:hover::after,
nav ul li a:focus-visible::after {
  width: 80%;
}

nav ul li a:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

/* Special Navigation Buttons */
.btn-inscription {
  background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%) !important;
  color: white !important;
  font-weight: 700 !important;
  padding: 12px 24px !important;
  border-radius: 25px !important;
  box-shadow: 0 4px 15px rgba(67, 233, 123, 0.3) !important;
  animation: pulse-inscription 2s infinite;
}

.btn-inscription:hover {
  transform: translateY(-3px) !important;
  box-shadow: 0 6px 20px rgba(67, 233, 123, 0.5) !important;
}

.btn-login {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
  color: white !important;
  font-weight: 700 !important;
  padding: 12px 24px !important;
  border-radius: 25px !important;
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3) !important;
}

.btn-login:hover {
  transform: translateY(-3px) !important;
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.5) !important;
}

@keyframes pulse-inscription {
  0%, 100% {
    box-shadow: 0 4px 15px rgba(67, 233, 123, 0.3);
  }
  50% {
    box-shadow: 0 6px 25px rgba(67, 233, 123, 0.6);
  }
}

/* Menu Button (Mobile) */
.menu-button {
  display: none;
  background: var(--accent);
  color: var(--primary);
  font-weight: 700;
  font-size: var(--font-size-base);
  padding: 12px 28px;
  border-radius: var(--radius-xl);
  border: none;
  margin: var(--spacing-sm) auto;
  cursor: pointer;
  transition: var(--transition-base);
  box-shadow: var(--shadow-md);
}

.menu-button:hover {
  background-color: var(--accent-light);
  transform: scale(1.05);
  box-shadow: var(--shadow-lg);
}

.menu-button:active {
  transform: scale(0.98);
}

/* Mobile Menu Overlay */
.menu-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  z-index: 900;
  pointer-events: auto;
}

.menu-overlay.active {
  display: block;
  animation: fadeIn 0.3s ease;
  pointer-events: auto;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  background: var(--gradient-primary);
  padding: var(--spacing-xl) var(--spacing-md);
  color: var(--text-light);
  min-height: 70vh;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(30px, 30px); }
}

.hero-content {
  flex: 1;
  min-width: 300px;
  max-width: 600px;
  animation: slideInLeft 1s ease;
  z-index: 1;
}

.hero-content h2 {
  font-size: var(--font-size-5xl);
  font-weight: 800;
  margin-bottom: var(--spacing-md);
  text-shadow: 3px 3px 15px rgba(0, 0, 0, 0.5);
  line-height: 1.2;
  background: linear-gradient(to right, #fff, #ffdb4d);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-content p {
  font-size: var(--font-size-xl);
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--spacing-lg);
  line-height: 1.8;
}

.hero .btn {
  display: inline-block;
  margin-top: var(--spacing-md);
  background: var(--accent);
  color: var(--primary);
  padding: 16px 40px;
  border-radius: var(--radius-xl);
  font-weight: 700;
  font-size: var(--font-size-lg);
  text-decoration: none;
  box-shadow: var(--shadow-lg);
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.hero .btn::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.5);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.hero .btn:hover::before {
  width: 300px;
  height: 300px;
}

.hero .btn:hover {
  background-color: var(--accent-light);
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.hero-image {
  flex: 1;
  max-width: 500px;
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  animation: slideInRight 1s ease;
  transition: var(--transition-slow);
  z-index: 1;
}

.hero-image:hover {
  transform: scale(1.05) rotate(2deg);
  box-shadow: 0 25px 70px rgba(0, 0, 0, 0.3);
}

.second-image {
  transform: rotate(-2deg);
}

/* ========================================
   PROGRAMS SECTION
   ======================================== */
.programs {
  padding: var(--spacing-xl) var(--spacing-md);
  background: var(--background-white);
  text-align: center;
  position: relative;
}

.programs::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--accent), transparent);
}

.programs h3 {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  margin-bottom: var(--spacing-lg);
  color: var(--primary);
  position: relative;
  display: inline-block;
}

.programs h3::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: var(--gradient-accent);
  border-radius: var(--radius-sm);
}

.programs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  max-width: 1200px;
  margin: var(--spacing-lg) auto 0;
}

.program-card {
  background: var(--background-white);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
  border: 2px solid transparent;
}

.program-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.program-card:hover::before {
  transform: scaleX(1);
}

.program-card:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: var(--shadow-xl);
  border-color: var(--accent);
}

.program-card h4 {
  color: var(--primary);
  font-size: var(--font-size-2xl);
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.program-card p {
  color: var(--text-medium);
  line-height: 1.8;
  font-size: var(--font-size-base);
}

.btn-secondary {
  display: inline-block;
  margin-top: var(--spacing-md);
  padding: 12px 28px;
  background: var(--primary);
  color: var(--text-light);
  border-radius: var(--radius-xl);
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: var(--accent);
  color: var(--primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

/* ========================================
   ABOUT SECTION
   ======================================== */
.about {
  padding: var(--spacing-xl) var(--spacing-md);
  background: var(--gradient-purple);
  text-align: center;
}

.about h3 {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  margin-bottom: var(--spacing-md);
  color: var(--primary);
}

.about p {
  max-width: 800px;
  margin: 0 auto var(--spacing-lg);
  color: var(--text-dark);
  line-height: 2;
  font-size: var(--font-size-lg);
}

.btn-highlight {
  display: inline-block;
  margin-top: var(--spacing-md);
  background: var(--gradient-success);
  color: var(--text-light);
  padding: 14px 32px;
  font-weight: 700;
  border-radius: var(--radius-xl);
  text-decoration: none;
  transition: var(--transition-base);
  box-shadow: 0 10px 30px rgba(67, 233, 123, 0.4);
  border: none;
}

.btn-highlight:hover {
  transform: translateY(-5px) scale(1.05);
  box-shadow: 0 15px 40px rgba(67, 233, 123, 0.6);
}

/* ========================================
   FOOTER
   ======================================== */
footer {
  background: var(--gradient-primary);
  color: var(--text-light);
  padding: var(--spacing-lg) var(--spacing-md);
  text-align: center;
  position: relative;
}

.footer-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  align-items: center;
}

.footer-content p {
  font-size: var(--font-size-base);
  opacity: 0.9;
}

.social-icons {
  display: flex;
  gap: var(--spacing-md);
}

.social-icons a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-light);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xl);
  transition: var(--transition-base);
  backdrop-filter: blur(10px);
}

.social-icons a:hover {
  background: var(--accent);
  color: var(--primary);
  transform: translateY(-5px) scale(1.1);
  box-shadow: 0 10px 30px rgba(255, 193, 7, 0.5);
}

/* ========================================
   ANIMATIONS
   ======================================== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */
@media (max-width: 1024px) {
  :root {
    --font-size-5xl: 2.5rem;
    --font-size-4xl: 2rem;
  }
}

@media (max-width: 768px) {
  header {
    padding: 0;
    position: sticky;
    top: 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    z-index: 100;
  }

  header .container {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 1rem;
    max-width: 100%;
    position: relative;
  }

  .logo {
    width: 55px;
    height: 55px;
    flex-shrink: 0;
    position: absolute;
    left: 1rem;
    background: white;
    border-radius: 50%;
    padding: 3px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 50%;
  }

  header h1 {
    font-size: 0.9rem;
    margin: 0;
    line-height: 1.3;
    text-align: center;
    padding: 0 80px;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    flex: 1;
  }

  .menu-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    position: absolute;
    right: 1rem;
    z-index: 1001;
    min-width: 90px;
    padding: 10px 18px;
    font-size: 0.9rem;
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(255, 193, 7, 0.5);
    border: 2px solid rgba(255, 255, 255, 0.4);
    flex-shrink: 0;
    transition: all 0.3s ease;
  }

  .menu-button:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(255, 193, 7, 0.6);
  }

  .menu-button i {
    font-size: 1.1rem;
  }

  nav {
    width: 100%;
  }

  nav ul {
    display: none;
    flex-direction: column;
    gap: 0.5rem;
    background: #0a1440;
    padding: 1.5rem 1rem;
    border-radius: 16px;
    position: fixed;
    top: 75px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 400px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.8);
    max-height: calc(100vh - 90px);
    overflow-y: auto;
    z-index: 10000;
    border: 2px solid #ffc107;
  }

  nav ul.active {
    display: flex !important;
  }

  /* Smooth scrolling for menu */
  nav ul::-webkit-scrollbar {
    width: 8px;
  }

  nav ul::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    margin: 10px 0;
  }

  nav ul::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, rgba(255, 193, 7, 0.6) 0%, rgba(255, 193, 7, 0.3) 100%);
    border-radius: 10px;
    border: 2px solid rgba(10, 20, 64, 0.5);
  }

  nav ul::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, rgba(255, 193, 7, 0.8) 0%, rgba(255, 193, 7, 0.5) 100%);
  }

  nav ul li {
    width: 100%;
  }

  nav ul li a {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    width: 100%;
    color: #ffffff;
    text-decoration: none;
    font-size: 1rem;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    transition: all 0.3s ease;
  }

  nav ul li a i {
    font-size: 1.2rem;
    color: #ffc107;
  }

  nav ul li a:hover,
  nav ul li a:active {
    background: rgba(255, 193, 7, 0.2);
    transform: translateX(5px);
  }

  nav ul li a.active {
    background: rgba(255, 193, 7, 0.3);
    border-left: 4px solid #ffc107;
  }

  /* Boutons d'action simpli fiés */
  nav ul li a.btn-inscription {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%) !important;
    color: #0a1440 !important;
    font-weight: 700;
    justify-content: center;
  }

  nav ul li a.btn-inscription i {
    color: #0a1440 !important;
  }

  nav ul li a.btn-login {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
    color: white !important;
    font-weight: 700;
    justify-content: center;
  }

  nav ul li a.btn-login i {
    color: white !important;
  }

  .hero {
    flex-direction: column;
    text-align: center;
    padding: 2rem 1rem;
    margin-top: 1rem;
  }

  .hero-content {
    max-width: 100%;
  }

  .hero-content h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
  }

  .hero-content p {
    font-size: 1rem;
    margin-bottom: 1.5rem;
  }

  .hero-stats {
    flex-direction: column;
    gap: 1rem;
    margin: 1.5rem 0;
  }

  .stat-item {
    min-width: auto;
    width: 100%;
    padding: 1rem;
  }

  .hero-image {
    margin-top: 2rem;
    max-width: 100%;
    width: 100%;
  }

  .programs-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .program-card {
    margin: 0;
  }
}

@media (max-width: 480px) {
  :root {
    --font-size-5xl: 2rem;
    --font-size-4xl: 1.75rem;
    --font-size-3xl: 1.5rem;
  }

  .container {
    width: 95%;
    padding: 0 0.5rem;
  }

  header {
    padding: 0.75rem 0;
  }

  header h1 {
    font-size: 0.8rem;
    line-height: 1.2;
    padding: 0 70px;
    font-weight: 700;
    text-align: center;
  }

  .logo {
    width: 50px;
    height: 50px;
    padding: 2px;
    left: 0.75rem;
  }

  .menu-button {
    min-width: 85px;
    padding: 8px 14px;
    font-size: 0.85rem;
    right: 0.75rem;
  }

  .menu-button i {
    font-size: 1rem;
  }

  /* Menu mobile plus compact sur petits écrans */
  nav ul {
    width: 95%;
    padding: 1.25rem 0.85rem;
    border-radius: 18px;
    top: 70px;
  }

  nav ul::before {
    font-size: 0.8rem;
    padding: 0.6rem 0;
    margin-bottom: 0.85rem;
  }

  nav ul li {
    margin: 0.2rem 0;
  }

  nav ul li a {
    padding: 0.95rem 1rem;
    font-size: 0.95rem;
    gap: 0.85rem;
    border-radius: 12px;
  }

  nav ul li a i {
    font-size: 1.25rem;
    width: 26px;
  }

  nav ul li a.btn-inscription,
  nav ul li a.btn-login {
    padding: 1rem 1.25rem;
    font-size: 0.95rem;
    margin-top: 0.5rem;
  }

  .hero-content h2 {
    font-size: 1.75rem;
  }

  .hero-content p {
    font-size: 0.95rem;
  }

  .hero-stats {
    gap: 0.75rem;
  }

  .stat-item {
    padding: 0.75rem;
  }

  .stat-number {
    font-size: 1.5rem;
  }

  .stat-label {
    font-size: 0.85rem;
  }

  nav ul {
    width: 98%;
    padding: 0.75rem;
  }

  nav ul li a {
    padding: 0.6rem 0.75rem;
    font-size: 0.95rem;
  }
}

/* ========================================
   SCROLL ANIMATIONS
   ======================================== */
.fade-in {
  opacity: 0;
  animation: fadeInUp 0.8s ease forwards;
}

.fade-in.visible {
  opacity: 1;
}

/* ========================================
   CUSTOM SCROLLBAR
   ======================================== */
::-webkit-scrollbar {
  width: 10px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--gradient-primary);
  border-radius: var(--radius-sm);
}

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

/* ========================================
   SELECTION STYLING
   ======================================== */
::selection {
  background: var(--accent);
  color: var(--primary);
}

::-moz-selection {
  background: var(--accent);
  color: var(--primary);
}

/* ========================================
   END OF STYLESHEET
   ======================================== */