/* Variables CSS */
:root {
    --primary: #f18700;
    --primary-dark: #d67800;
    --secondary: #79c6c0;
    --secondary-dark: #5eb3ac;
    --accent: #5d62b5;
    --text-dark: #333333;
    --text-medium: #555555;
    --text-light: #777777;
    --white: #ffffff;
    --light-bg: #f8f9fa;
    --border-light: #e5e5e5;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 5rem;
    --border-radius: 6px;
    --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
  }
  
  /* Reset et base */
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  html, body {
    font-family: 'Open Sans', Arial, sans-serif;
    color: var(--text-dark);
    background-color: var(--white);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
  }
  
  h1, h2, h3, h4, h5 {
    font-family: 'Montserrat', Arial, sans-serif;
    font-weight: 700;
    line-height: 1.3;
  }
  
  a {
    text-decoration: none;
    color: inherit;
  }
  
  img {
    max-width: 100%;
  }
  
  .container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
  }
  
  /* Header et Navigation */
  header {
    background-color: var(--white);
    padding: var(--spacing-sm) 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 100;
  }
  
  .header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xs) 0;
  }
  
  .logo {
    display: flex;
    align-items: center;
  }
  
  .logo-icon {
    margin-right: 0.5rem;
    font-size: 2rem;
  }
  
  .logo img {
    height: 50px; /* Ajustez cette valeur selon la taille souhaitée */
    margin-right: var(--spacing-md); /* Espace entre le logo et la navigation */
    vertical-align: middle;
  }
  
  .nav-menu {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
    flex-wrap: wrap;
  }
  
  .nav-link {
    color: var(--text-medium);
    font-weight: 600;
    padding: 0.5rem;
    position: relative;
    transition: var(--transition);
  }
  
  .nav-link:hover {
    color: var(--primary);
  }
  
  .nav-link:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary);
    transition: var(--transition);
  }
  
  .nav-link:hover:after {
    width: 100%;
  }
  
  .nav-button {
    background-color: var(--primary);
    color: var(--white);
    padding: 0.6rem 1.2rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
  }
  
  .nav-button:hover {
    background-color: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: var(--box-shadow);
  }
  
  /* Hero section */
  .hero {
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('https://images.unsplash.com/photo-1559027615-cd4628902d4a?auto=format&fit=crop&q=80') no-repeat center/cover;
    color: var(--white);
    padding: var(--spacing-xl) 0;
    text-align: center;
  }
  
  .hero-content {
    max-width: 800px;
    margin: 0 auto;
  }
  
  .hero-title {
    font-size: 3.2rem;
    margin-bottom: var(--spacing-sm);
  }
  
  .hero-subtitle {
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
  }
  
  .hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-top: var(--spacing-md);
  }
  
  /* Sections */
  .section {
    padding: var(--spacing-xl) 0;
  }
  
  .section-title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    position: relative;
  }
  
  .section-title:after {
    content: '';
    display: block;
    width: 80px;
    height: 3px;
    background-color: var(--primary);
    margin: var(--spacing-xs) auto 0;
  }
  
  /* How it works section */
  .how-it-works {
    background-color: var(--light-bg);
  }
  
  .steps {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-lg);
  }
  
  .step {
    flex: 1;
    min-width: 250px;
    max-width: 350px;
    text-align: center;
    padding: var(--spacing-md);
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
  }
  
  .step:hover {
    transform: translateY(-5px);
  }
  
  .step-icon {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: var(--spacing-sm);
  }
  
  .step-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
  }
  
  /* Login options */
  .login-options {
    background-color: var(--white);
  }
  
  .user-types {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-lg);
  }
  
  .user-card {
    flex: 1;
    min-width: 300px;
    max-width: 350px;
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    background-color: var(--light-bg);
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
  }
  
  .user-card:hover {
    transform: translateY(-5px);
  }
  
  .user-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background-color: var(--primary);
  }
  
  .user-card.association::before {
    background-color: var(--secondary);
  }
  
  .user-card.admin::before {
    background-color: var(--accent);
  }
  
  .user-icon {
    font-size: 3.5rem;
    color: var(--primary);
    margin-bottom: var(--spacing-sm);
  }
  
  .user-card.association .user-icon {
    color: var(--secondary);
  }
  
  .user-card.admin .user-icon {
    color: var(--accent);
  }
  
  .user-card-title {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-xs);
  }
  
  .user-card-description {
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
  }
  
  /* Buttons */
  .btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
  }
  
  .btn-primary {
    background-color: var(--primary);
    color: var(--white);
  }
  
  .btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: var(--box-shadow);
  }
  
  .btn-secondary {
    background-color: var(--white);
    color: var(--primary);
    border: 2px solid var(--primary);
  }
  
  .btn-secondary:hover {
    background-color: var(--primary);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: var (--box-shadow);
  }
  
  .btn-association {
    background-color: var(--secondary);
    color: var(--white);
  }
  
  .btn-association:hover {
    background-color: var(--secondary-dark);
    transform: translateY(-3px);
    box-shadow: var(--box-shadow);
  }
  
  .btn-admin {
    background-color: var(--accent);
    color: var(--white);
  }
  
  .btn-admin:hover {
    opacity: 0.9;
    transform: translateY(-3px);
    box-shadow: var(--box-shadow);
  }
  
  /* Testimonials/Stats section */
  .stats {
    background-color: var(--primary);
    color: var(--white);
  }
  
  .stats-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-lg);
    text-align: center;
  }
  
  .stat-item {
    flex: 1;
    min-width: 200px;
  }
  
  .stat-number {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
  }
  
  .stat-label {
    font-size: 1.2rem;
    opacity: 0.9;
  }
  
  /* CTA section */
  .cta {
    text-align: center;
    background-color: var(--light-bg);
  }
  
  .cta-title {
    font-size: 2.2rem;
    margin-bottom: var(--spacing-sm);
  }
  
  .cta-subtitle {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
  }
  
  /* Footer */
  .footer {
    background-color: var(--text-dark);
    color: var(--white);
    padding: var(--spacing-lg) 0 var(--spacing-sm);
    margin-top: auto;
  }
  
  .footer-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: var(--spacing-lg);
  }
  
  .footer-column {
    flex: 1;
    min-width: 200px;
  }
  
  .footer-title {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
    color: var (--primary);
  }
  
  .footer-links {
    list-style: none;
  }
  
  .footer-link {
    margin-bottom: var(--spacing-xs);
    opacity: 0.8;
    transition: var(--transition);
  }
  
  .footer-link:hover {
    opacity: 1;
    padding-left: 5px;
  }
  
  .social-links {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
  }
  
  .social-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: var(--transition);
  }
  
  .social-icon:hover {
    background-color: var(--primary);
    transform: translateY(-3px);
  }
  
  .footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    opacity: 0.7;
    font-size: 0.9rem;
  }
  
  /* Responsive design */
  @media (max-width: 768px) {
    .hero-title {
      font-size: 2.5rem;
    }
    
    .hero-subtitle {
      font-size: 1.2rem;
    }
    
    .nav-menu {
      gap: var(--spacing-sm);
    }
    
    .step, .user-card {
      min-width: 100%;
    }
    
    .hero-buttons {
      flex-direction: column;
      align-items: center;
    }
    
    .footer-container {
      flex-direction: column;
      gap: var(--spacing-md);
    }

    .logo img {
      height: 40px; /* Logo légèrement plus petit sur mobile */
      margin-right: var(--spacing-sm);
    }
  }
  
  @media (max-width: 480px) {
    .header-container {
      flex-direction: column;
      gap: var(--spacing-sm);
      padding: var(--spacing-sm) 0;
    }
    
    .nav-menu {
      width: 100%;
      justify-content: center;
    }
    
    .hero {
      padding: var(--spacing-lg) 0;
    }
    
    .hero-title {
      font-size: 2rem;
    }
    
    .section {
      padding: var(--spacing-lg) 0;
    }

    .logo {
      margin-bottom: var(--spacing-xs);
    }
  }