:root {
    --primary-color: #10b981;
    --primary-dark: #727272;
    --primary-light: #0ea5e9;
    --secondary-color: #0ea5e9;
    --text-color: #1f2937;
    --text-light: #6b7280;
    --background-color: #ffffff;
    --background-alt: #f9fafb;
    --border-color: #e5e7eb;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --border-radius: 8px;
    --transition: all 0.3s ease;
    
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.5;
    font-weight: 400;
    font-synthesis: none;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }
  
  * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  
  body {
    margin: 0;
    color: var(--text-color);
    background-color: var(--background-color);
    min-width: 320px;
    min-height: 100vh;
  }
  
  #app {
    width: 100%;
    margin: 0 auto;
    text-align: center;
  }
  
  /* Typography */
  h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
  }
  
  h1 {
    font-size: 3.5rem;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }
  
  h2 {
    font-size: 2.5rem;
    color: var(--text-color);
  }
  
  h3 {
    font-size: 1.5rem;
    color: var(--text-color);
  }
  
  p {
    margin-bottom: 1rem;
    color: var(--text-light);
  }
  
  .subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
  }
  
  .section-header {
    max-width: 800px;
    margin: 0 auto 3rem;
    padding: 0 1rem;
  }
  
  .section-header h2 {
    margin-bottom: 1rem;
  }
  
  .section-header p {
    font-size: 1.25rem;
  }
  
  .highlight {
    color: var(--primary-color);
  }
  
  /* Layout */
  header, section, footer {
    width: 100%;
    padding: 4rem 2rem;
  }
  
  section {
    background-color: var(--background-color);
  }
  
  section:nth-child(even) {
    background-color: var(--background-alt);
  }
  
  /* Navigation */
  .navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    position: sticky;
    top: 0;
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
    z-index: 1000;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  }
  
  .logo {
    font-size: 1.75rem;
    font-weight: 700;
  }
  
  .nav-links {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 2rem;
  }
  
  .nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: var(--transition);
  }
  
  .nav-links a:hover {
    color: var(--primary-color);
  }
  
  /* Buttons */
  .btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
  }
  
  .btn-primary {
    background-color: var(--primary-color);
    color: white;
    border: 2px solid var(--primary-color);
  }
  
  .btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
  }
  
  .btn-secondary {
    background-color: var(--secondary-color);
    color: white;
    border: 2px solid var(--secondary-color);
  }
  
  .btn-secondary:hover {
    background-color: #0284c7;
    border-color: #0284c7;
  }
  
  .btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
  }
  
  .btn-outline:hover {
    background-color: var(--primary-color);
    color: white;
  }
  
  .btn-full {
    width: 100%;
  }
  
  .cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 1.5rem;
  }
  
  /* Hero Section */
  .hero {
    background-color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 4rem 2rem;
    margin: auto;
    gap: 4rem;
  }
  
  .hero-content {
    flex: 1;
    text-align: left;
  }
  
  .hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
  }
  
  .trust-badges {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
  }
  
  .trust-badges span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-light);
    font-size: 0.875rem;
  }
  
  .trust-badges i {
    color: var(--success-color);
  }
  
  /* Dashboard Mockup */
  .dashboard-mockup {
    width: 100%;
    max-width: 600px;
    height: 400px;
    background-color: #f8fafc;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    overflow: hidden;
    position: relative;
    border: 1px solid var(--border-color);
  }
  
  .mockup-header {
    height: 40px;
    background-color: #1e293b;
    display: flex;
    align-items: center;
    padding: 0 1rem;
  }
  
  .mockup-header::before {
    content: "";
    display: block;
    width: 12px;
    height: 12px;
    background-color: #ef4444;
    border-radius: 50%;
    margin-right: 8px;
  }
  
  .mockup-header::after {
    content: "";
    display: block;
    width: 12px;
    height: 12px;
    background-color: #10b981;
    border-radius: 50%;
    margin-left: 8px;
  }
  
  .mockup-sidebar {
    position: absolute;
    left: 0;
    top: 40px;
    bottom: 0;
    width: 60px;
    background-color: #1e293b;
  }
  
  .mockup-sidebar::before, .mockup-sidebar::after {
    content: "";
    display: block;
    width: 30px;
    height: 30px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    margin: 15px auto;
  }
  
  .mockup-sidebar::after {
    margin-top: 30px;
  }
  
  .mockup-content {
    position: absolute;
    left: 60px;
    top: 40px;
    right: 0;
    bottom: 0;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
  }
  
  .mockup-chart {
    height: 120px;
    background: linear-gradient(90deg, var(--primary-light), var(--secondary-color));
    border-radius: var(--border-radius);
    opacity: 0.7;
  }
  
  .mockup-stats {
    display: flex;
    gap: 15px;
  }
  
  .stat-box {
    flex: 1;
    height: 80px;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    position: relative;
  }
  
  .stat-box::before {
    content: "";
    position: absolute;
    top: 15px;
    left: 15px;
    width: 30px;
    height: 10px;
    background-color: var(--primary-light);
    border-radius: 5px;
    opacity: 0.7;
  }
  
  .stat-box::after {
    content: "";
    position: absolute;
    bottom: 15px;
    left: 15px;
    right: 15px;
    height: 20px;
    background-color: #e5e7eb;
    border-radius: 5px;
  }
  
  .mockup-table {
    flex: 1;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
  }
  
  .mockup-table::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 30px;
    background-color: #f1f5f9;
  }
  
  .mockup-table::after {
    content: "";
    position: absolute;
    top: 40px;
    left: 10px;
    right: 10px;
    bottom: 10px;
    background: repeating-linear-gradient(
      0deg,
      #e5e7eb,
      #e5e7eb 1px,
      transparent 1px,
      transparent 30px
    );
  }
  
  /* Features Section */
  .features-section {
    padding: 6rem 2rem;
  }
  
  .features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1280px;
    margin: 0 auto;
  }
  
  .feature-card {
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--box-shadow);
    text-align: left;
    transition: var(--transition);
    border: 1px solid var(--border-color);
  }
  
  .feature-card:hover {
    transform: translateY(-5px);
  }
  
  .feature-icon {
    font-size: 2rem;
    color: white;
    margin-bottom: 1.5rem;
    display: inline-block;
    padding: 1rem;
    background-color: rgba(79, 70, 229, 0.1);
    border-radius: 50%;
  }
  
  .feature-card h3 {
    margin-bottom: 1rem;
  }
  
  /* features Section */
  .features-section {
    background-color: var(--background-color);
    padding: 60px 20px;
  }
  
  .features-section .container {
    max-width: 1200px;
    margin: 0 auto;
  }
  
  .features-section h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 40px;
  }
  
  .features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .feature-item {
    background-color: #ffffff;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
  }
  
  .feature-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
  }
  
  .feature-item .icon {
    margin-bottom: 20px;
  }
  
  .feature-item .icon i {
    font-size: 40px;
    color: #4CAF50; /* Couleur par défaut pour l'icône */
    transition: color 0.3s ease;
  }
  
  .feature-item h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 15px;
  }
  
  .feature-item p {
    font-size: 1rem;
    color: #666;
    margin-bottom: 20px;
  }
  
  .feature-item a {
    font-size: 1rem;
    color: #1D72B8; /* Couleur du lien */
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
  }
  
  .feature-item a:hover {
    color: #004a7c; /* Couleur du lien au survol */
  }
  
  /* Styles des icônes en fonction de la catégorie */
  .feature-item:nth-child(1) .icon i { color: #007BFF; } /* Bleu pour Dashboard */
  .feature-item:nth-child(2) .icon i { color: #FF4136; } /* Rouge pour Connectivity */
  .feature-item:nth-child(3) .icon i { color: #2D8B4C; } /* Vert pour Évolutif */
  .feature-item:nth-child(4) .icon i { color: #FF851B; } /* Orange pour Sécurité */
  .feature-item:nth-child(5) .icon i { color: #FFDC00; } /* Jaune pour Installation Rapide */
  .feature-item:nth-child(6) .icon i { color: #39CCCC; } /* Turquoise pour Abonnement */
  
  /* Mise en page responsive */
  @media (min-width: 640px) {
    .features-grid {
      grid-template-columns: 1fr 1fr;
    }
  }
  
  @media (min-width: 1024px) {
    .features-grid {
      grid-template-columns: 1fr 1fr 1fr;
    }
  }
  
  .logo-placeholder {
    width: 120px;
    height: 60px;
    background-color: #f3f4f6;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
  }
  
  .logo-placeholder::before {
    content: "";
    width: 60px;
    height: 20px;
    background-color: #e5e7eb;
    border-radius: 4px;
  }
  
  /* 🌟 Metro UI - Grid System */
  .features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 15px;
    max-width: 1200px;
    margin: auto;
    padding: 20px;
  }

    /* 🌟 Metro UI - Grid System */
  .features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 15px;
    max-width: 1200px;
    margin: auto;
    padding: 20px;
  }

  /* 🟦 Metro UI - Card Styling */
  .feature-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    padding: 20px;
    border-radius: 5px;
    min-height: 180px;
    transition: transform 0.3s ease-in-out, box-shadow 0.3s ease-in-out;
  }

  /* ✅ Effet de hover */
  .feature-card:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
  }

  /* 🎨 Couleurs Metro UI */
  .bg-blue { background-color: #0078D7; }
  .bg-red { background-color: #D83B01; }
  .bg-green { background-color: #107C10; }
  .bg-orange { background-color: #E81123; }
  .bg-purple { background-color: #5C2D91; }
  .bg-yellow { background-color: #FFB900; }
  .bg-cyan { background-color: #00A8CC; }
  .bg-pink { background-color: #E91E63; }
  .bg-teal { background-color: #008080; }
  .bg-gray { background-color: #757575; }
  .bg-indigo { background-color: #3F51B5; }
  .bg-lime { background-color: #A4C400; }
  .bg-dark { background-color: #333333; }

  /* 🔥 Icônes */
  .feature-icon {
    font-size: 2.5rem;
    margin-bottom: 10px;
  }

  /* 📏 Grand Format pour certaines cartes */
  .large {
    grid-column: span 2;
  }

  /* 📱 Responsive */
  @media (max-width: 768px) {
    .features-grid {
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }
    
    .large {
      grid-column: span 1;
    }
  }


  /* Swiper Carrousel */
  .swiper {
    width: 100%;
    max-width: 900px;
    margin: auto;
    padding-bottom: 50px;
  }

  .swiper-slide {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: transform 0.5s ease-in-out, opacity 0.5s ease-in-out;
  }

  /* Slide centrale (agrandie) */
  .swiper-slide-active {
    transform: scale(1.2);
    opacity: 1;
    z-index: 2; /* Assure qu'elle passe au premier plan */
  }

  /* Slides latérales (réduites) */
  .swiper-slide-prev, .swiper-slide-next {
    transform: scale(0.8);
    opacity: 0.6;
    z-index: 1;
  }

  /* Navigation et pagination */
  .swiper-button-next, .swiper-button-prev {
    color: #007bff;
  }

  .swiper-pagination-bullet {
    background-color: #007bff;
    opacity: 0.5;
  }

  .swiper-pagination-bullet-active {
    opacity: 1;
  }



  /* Pricing Section */
  .pricing-section {
    padding: 6rem 2rem;
  }
  
  .pricing-cards {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    max-width: 1280px;
    margin: 0 auto;
  }
  
  .pricing-card {
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 2rem;
    flex: 1;
    min-width: 300px;
    max-width: 350px;
    border: 1px solid var(--border-color);
    position: relative;
    transition: var(--transition);
  }
  
  .pricing-card:hover {
    transform: translateY(-5px);
  }
  
  .pricing-card.popular {
    border-color: var(--primary-color);
    transform: scale(1.05);
  }
  
  .pricing-card.popular:hover {
    transform: scale(1.05) translateY(-5px);
  }
  
  .popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--primary-color);
    color: white;
    padding: 0.25rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
  }
  
  .pricing-header {
    text-align: center;
    padding-bottom: 1.5rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
  }
  
  .price {
    margin: 1.5rem 0;
  }
  
  .price .amount {
    font-size: 3rem;
    font-weight: 700;
    color: var(--text-color);
  }
  
  .price .period {
    font-size: 1rem;
    color: var(--text-light);
  }
  
  .pricing-features {
    list-style: none;
    margin-bottom: 2rem;
    text-align: left;
  }
  
  .pricing-features li {
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }
  
  .pricing-features i {
    color: var(--success-color);
    font-size: 1rem;
  }
  
  .pricing-features .disabled {
    color: var(--text-light);
    opacity: 0.7;
  }
  
  .pricing-features .disabled i {
    color: var(--text-light);
  }
  
  /* Testimonials Section */
  .testimonials-section {
    padding: 6rem 2rem;
  }
  
  .testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1280px;
    margin: 0 auto;
  }
  
  .testimonial-card {
    background-color: white;
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--box-shadow);
    text-align: left;
    border: 1px solid var(--border-color);
  }
  
  .testimonial-content {
    margin-bottom: 1.5rem;
    position: relative;
    padding-top: 1.5rem;
  }
  
  .testimonial-content::before {
    content: "";
    position: absolute;
    top: -20px;
    left: -10px;
    font-size: 5rem;
    color: var(--primary-light);
    opacity: 0.3;
    font-family: serif;
  }
  
  .testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
  }
  
  .author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: #e5e7eb;
  }
  
  .author-info h4 {
    margin-bottom: 0.25rem;
    font-size: 1rem;
  }
  
  .author-info p {
    margin-bottom: 0;
    font-size: 0.875rem;
  }
  
  /* localisation Section */
  .localisation-section {
    background: linear-gradient(45deg, rgb(0, 0, 145), rgb(225, 0, 15));
    color: white;
    padding: 6rem 2rem;
    text-align: center;
  }
  
  .cta-content {
    max-width: 800px;
    margin: 0 auto;
  }
  
  .localisation-section h2 {
    color: white;
    margin-bottom: 1.5rem;
  }
  
  .localisation-section p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.25rem;
    margin-bottom: 2rem;
  }
  
  .localisation-section .btn-outline {
    border-color: white;
    color: white;
  }
  
  .localisation-section .btn-outline:hover {
    background-color: rgb(58, 141, 76);
    color: var(--primary-color);
  }
  
  /* Contact Section */
  .contact-section {
    padding: 6rem 2rem;
  }
  
  .contact-container {
    display: flex;
    flex-wrap: wrap;
    gap: 3rem;
    max-width: 1280px;
    margin: 0 auto;
  }
  
  .contact-form {
    flex: 2;
    min-width: 300px;
    background-color: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: left;
    border: 1px solid var(--border-color);
  }
  
  .form-group {
    margin-bottom: 1.5rem;
  }
  
  .form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
  }
  
  .form-group input,
  .form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
  }
  
  .form-group input:focus,
  .form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.2);
  }
  
  .form-group textarea {
    min-height: 150px;
    resize: vertical;
  }
  
  .contact-info {
    flex: 1;
    min-width: 250px;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
  }
  
  .info-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    text-align: left;
    background-color: white;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    border: 1px solid var(--border-color);
  }
  
  .info-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
  }
  
  .info-item h4 {
    margin-bottom: 0.5rem;
  }
  
  .info-item p {
    margin-bottom: 0;
  }
  
  /* Footer */
  footer {
    background-color: var(--secondary-color);
    color: white;
    padding: 4rem 2rem 2rem;
    text-align: left;
  }
  
  .footer-content {
    display: flex;
    flex-wrap: wrap;
    gap: 3rem;
    max-width: 1280px;
    margin: 0 auto 3rem;
  }
  
  .footer-column {
    flex: 1;
    min-width: 200px;
  }
  
  .footer-logo {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
  }
  
  .footer-column h4 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    color: white;
  }
  
  .footer-column ul {
    list-style: none;
  }
  
  .footer-column ul li {
    margin-bottom: 0.75rem;
  }
  
  .footer-column a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
  }
  
  .footer-column a:hover {
    color: white;
  }
  
  .social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
  }
  
  .social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    transition: var(--transition);
  }
  
  .social-links a:hover {
    background-color: var(--primary-color);
  }
  
  .footer-bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    max-width: 1280px;
    margin: 0 auto;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    gap: 1rem;
  }
  
  .footer-bottom p {
    margin-bottom: 0;
    color: rgba(255, 255, 255, 0.7);
  }
  
  .footer-links {
    display: flex;
    gap: 1.5rem;
  }
  
  .footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.875rem;
    transition: var(--transition);
  }
  
  .footer-links a:hover {
    color: white;
  }
  
  /* Responsive Design */
  @media (max-width: 1024px) {
    h1 {
      font-size: 3rem;
    }
    
    h2 {
      font-size: 2.25rem;
    }
    
    .hero {
      flex-direction: column;
      text-align: center;
      gap: 3rem;
    }
    
    .hero-content {
      text-align: center;
      max-width: 100%;
    }
    
    .dashboard-mockup {
      max-width: 500px;
    }
  }
  
  @media (max-width: 768px) {
    .navbar {
      flex-direction: column;
      gap: 1rem;
      padding: 1rem;
    }
    
    .nav-links {
      flex-direction: column;
      width: 100%;
      gap: 1rem;
    }
    
    h1 {
      font-size: 2.5rem;
    }
    
    h2 {
      font-size: 2rem;
    }
    
    .cta-buttons {
      flex-direction: column;
    }
    
    .pricing-card.popular {
      transform: none;
    }
    
    .pricing-card.popular:hover {
      transform: translateY(-5px);
    }
    
    .footer-content {
      gap: 2rem;
    }
  }
  
  @media (max-width: 480px) {
    h1 {
      font-size: 2rem;
    }
    
    h2 {
      font-size: 1.75rem;
    }
    
    .section-header p {
      font-size: 1rem;
    }
    
    .hero {
      padding: 2rem 1rem;
    }
    
    .dashboard-mockup {
      height: 300px;
    }
    
    .footer-bottom {
      flex-direction: column;
      text-align: center;
    }
  }
  
  @media (prefers-color-scheme: dark) {
    :root {
      --text-color: #f9fafb;
      --text-light: #d1d5db;
      --background-color: #111827;
      --background-alt: #1f2937;
      --border-color: #374151;
    }
    
    .navbar {
      background-color: rgba(17, 24, 39, 0.2);
    }
    
     .pricing-card, .testimonial-card, .contact-form, .info-item {
      background-color: #1f2937;
      border-color: #374151;
    }
    
    .logo-placeholder, .author-avatar {
      background-color: #374151;
    }
    
    .form-group input,
    .form-group textarea {
      background-color: #111827;
      color: #f9fafb;
    }
    
    .mockup-content {
      background-color: #111827;
    }
    
    .stat-box, .mockup-table {
      background-color: #1f2937;
    }
    
    .mockup-table::before {
      background-color: #374151;
    }
    
    .btn-outline {
      color: var(--primary-light);
      border-color: var(--primary-light);
    }
    
    .btn-outline:hover {
      background-color: var(--primary-color);
      color: white;
    }
  }