/* Variables globales */
:root {
    /* Couleurs */
    --color-primary: #2563eb;
    --color-primary-dark: #1e40af;
    --color-secondary: #7c3aed;
    --color-secondary-dark: #5b21b6;
    --color-white: #ffffff;
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;
    --color-black: #000000;
    
    /* Ombres */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Arrondis */
    --border-radius-sm: 0.125rem;
    --border-radius: 0.25rem;
    --border-radius-md: 0.375rem;
    --border-radius-lg: 0.5rem;
    --border-radius-xl: 0.75rem;
    --border-radius-2xl: 1rem;
    --border-radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
  }
  
  /* Reset */
  * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  
  html {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: 16px;
    scroll-behavior: smooth;
  }
  
  body {
    background-color: var(--color-gray-50);
    color: var(--color-gray-900);
    line-height: 1.5;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
  }
  
  a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-normal);
  }
  
  button {
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
    font-size: inherit;
    padding: 0;
  }
  
  img {
    max-width: 100%;
    height: auto;
    display: block;
  }
  
  /* Layout */
  .container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
  }
  
  section {
    position: relative;
    padding: 5rem 0;
  }
  
  /* Header */
  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--color-gray-200);
    transition: all var(--transition-normal);
  }
  
  .site-header nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 4rem;
  }
  
  .site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
  }
  
  .logo a {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(to right, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
  
  .nav-links {
    display: flex;
    gap: 2rem;
  }
  
  .nav-links a {
    color: var(--color-gray-700);
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
  }
  
  .nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(to right, var(--color-primary), var(--color-secondary));
    transition: width var(--transition-normal);
  }
  
  .nav-links a:hover, 
  .nav-links a.active {
    color: var(--color-primary);
  }
  
  .nav-links a:hover::after, 
  .nav-links a.active::after {
    width: 100%;
  }
  
  .dark-mode-toggle, 
  .mobile-menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--border-radius-full);
    color: var(--color-gray-700);
    background-color: var(--color-gray-100);
    transition: all var(--transition-normal);
  }
  
  .dark-mode-toggle:hover, 
  .mobile-menu-toggle:hover {
    background-color: var(--color-gray-200);
    color: var(--color-gray-900);
  }
  
  .mobile-menu-toggle {
    display: none;
  }
  
  /* Decoration shapes */
  .decoration-shapes {
    position: fixed;
    inset: 0;
    overflow: hidden;
    z-index: 0;
    opacity: 0.7;
    pointer-events: none;
  }
  
  .shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(3rem);
    mix-blend-mode: multiply;
  }
  
  .shape-1 {
    top: -8rem;
    left: -8rem;
    width: 24rem;
    height: 24rem;
    background: linear-gradient(to bottom right, #bfdbfe, #93c5fd);
  }
  
  .shape-2 {
    top: 25%;
    right: -8rem;
    width: 24rem;
    height: 24rem;
    background: linear-gradient(to bottom right, #c7d2fe, #a5b4fc);
  }
  
  .shape-3 {
    bottom: 0;
    left: 25%;
    width: 24rem;
    height: 24rem;
    background: linear-gradient(to bottom right, #bbf7d0, #34d399);
  }
  
  /* Hero Section */
  .hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: 5rem;
  }
  
  .profile-image {
    position: relative;
    margin-bottom: 2rem;
    display: inline-block;
  }
  
  .image-container {
    width: 8rem;
    height: 8rem;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid var(--color-white);
    box-shadow: var(--shadow-xl);
    position: relative;
    z-index: 1;
  }
  
  .image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  
  .image-glow {
    position: absolute;
    inset: -0.25rem;
    background: linear-gradient(to bottom right, var(--color-primary), var(--color-secondary));
    border-radius: 50%;
    filter: blur(0.5rem);
    z-index: 0;
    animation: pulse 3s infinite;
  }
  
  .hero-title {
    font-size: 4rem;
    font-weight: 800;
    background: linear-gradient(to right, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 1.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--color-gray-700);
    margin-bottom: 2rem;
  }
  
  .hero-description {
    max-width: 32rem;
    margin: 0 auto 3rem;
    background-color: rgba(255, 255, 255, 0.8);
    border: 1px solid var(--color-gray-200);
    backdrop-filter: blur(4px);
    padding: 1.5rem;
    border-radius: var(--border-radius-2xl);
    box-shadow: var(--shadow-xl);
  }
  
  .hero-description p {
    font-size: 1.125rem;
    color: var(--color-gray-700);
  }
  
  .hero-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
  }
  
  /* Buttons */
  .btn {
    display: inline-block;
    position: relative;
    padding: 1rem 2rem;
    border-radius: var(--border-radius-full);
    font-weight: 500;
    overflow: hidden;
    z-index: 1;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  }
  
  .btn:hover {
    transform: translateY(-0.25rem);
    box-shadow: var(--shadow-xl);
  }
  
  .btn-text {
    position: relative;
    z-index: 1;
  }
  
  .btn-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    transition: transform var(--transition-normal);
  }
  
  .btn-primary {
    background: linear-gradient(to right, var(--color-primary), var(--color-primary-dark));
    color: var(--color-white);
    box-shadow: var(--shadow-lg);
  }
  
  .btn-primary .btn-bg {
    background: linear-gradient(to right, var(--color-primary-dark), var(--color-secondary-dark));
    transform: translateY(100%);
  }
  
  .btn-primary:hover .btn-bg {
    transform: translateY(0);
  }
  
  .btn-secondary {
    background-color: var(--color-white);
    color: var(--color-primary);
    border: 1px solid var(--color-gray-200);
    box-shadow: var(--shadow-lg);
  }
  
  .btn-secondary .btn-bg {
    background-color: var(--color-gray-100);
    transform: translateY(100%);
  }
  
  .btn-secondary:hover .btn-bg {
    transform: translateY(0);
  }
  
  .btn-gradient {
    background: linear-gradient(to right, var(--color-primary), var(--color-secondary));
    color: var(--color-white);
    box-shadow: var(--shadow-lg);
  }
  
  .btn-gradient .btn-bg {
    background: linear-gradient(to right, var(--color-secondary), var(--color-primary));
    transform: translateX(100%);
  }
  
  .btn-gradient:hover .btn-bg {
    transform: translateX(0);
  }
  
  /* Services Section */
  .section-title {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
  }
  
  .title-text {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--color-gray-800);
    position: relative;
    display: inline-block;
  }
  
  .title-underline {
    position: absolute;
    bottom: -0.5rem;
    left: 0;
    width: 100%;
    height: 0.25rem;
    background: linear-gradient(to right, var(--color-primary), var(--color-secondary));
    border-radius: var(--border-radius-full);
  }
  
  .services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 64rem;
    margin: 0 auto;
  }
  
  .service-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--border-radius-2xl);
    padding: 1.5rem;
    box-shadow: var(--shadow-xl);
    transition: transform var(--transition-normal);
    position: relative;
    overflow: hidden;
  }
  
  .service-card:hover {
    transform: translateY(-0.5rem);
  }
  
  .service-icon {
    width: 4rem;
    height: 4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-blue-100);
    border-radius: var(--border-radius-xl);
    margin-bottom: 1rem;
    color: var(--color-primary);
    transition: all var(--transition-normal);
  }
  
  .service-card:hover .service-icon {
    background: linear-gradient(to bottom right, var(--color-primary), var(--color-secondary));
    color: var(--color-white);
    transform: rotate(6deg);
  }
  
  .service-icon .icon {
    width: 2rem;
    height: 2rem;
  }
  
  .service-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-gray-800);
    margin-bottom: 0.75rem;
  }
  
  .service-card p {
    color: var(--color-gray-600);
  }
  
  .service-highlight {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 0.25rem;
    background: linear-gradient(to right, var(--color-primary), var(--color-secondary));
    transition: width var(--transition-normal);
  }
  
  .service-card:hover .service-highlight {
    width: 100%;
  }
  
  /* Skills Preview Section */
  .skills-preview-section {
    background: linear-gradient(to bottom right, var(--color-gray-100), var(--color-gray-200));
    padding: 5rem 0;
  }
  
  .skills-container {
    position: relative;
    max-width: 64rem;
    margin: 0 auto;
  }
  
  .skills-bg-skew {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, rgba(37, 99, 235, 0.2), rgba(124, 58, 237, 0.2));
    transform: skewY(-3deg);
    border-radius: var(--border-radius-2xl);
    z-index: 0;
  }
  
  .skills-content {
    position: relative;
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(4px);
    border-radius: var(--border-radius-2xl);
    padding: 2rem;
    box-shadow: var(--shadow-xl);
    z-index: 1;
  }
  
  .skills-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
  }
  
  .skill-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: transform var(--transition-normal);
  }
  
  .skill-item:hover {
    transform: translateY(-0.25rem) scale(1.05);
  }
  
  .skill-icon {
    width: 5rem;
    height: 5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(to bottom right, var(--color-gray-100), var(--color-gray-200));
    border-radius: var(--border-radius-xl);
    margin-bottom: 0.75rem;
    box-shadow: var(--shadow-md);
  }
  
  .skill-icon img {
    width: 2.5rem;
    height: 2.5rem;
    object-fit: contain;
  }
  
  .skill-name {
    font-weight: 500;
    color: var(--color-gray-700);
  }
  
  .skills-link {
    text-align: center;
  }
  
  .link-with-arrow {
    display: inline-flex;
    align-items: center;
    color: var(--color-primary);
    font-weight: 500;
    transition: all var(--transition-normal);
  }
  
  .link-with-arrow:hover {
    text-decoration: underline;
  }
  
  .arrow-icon {
    width: 1.25rem;
    height: 1.25rem;
    margin-left: 0.25rem;
    transition: transform var(--transition-normal);
  }
  
  .link-with-arrow:hover .arrow-icon {
    transform: translateX(0.25rem);
  }
  
  /* CTA Section */
  .cta-section {
    text-align: center;
    padding: 5rem 0;
  }
  
  .cta-section h2 {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--color-gray-800);
  }
  
  .cta-section p {
    font-size: 1.25rem;
    color: var(--color-gray-600);
    max-width: 36rem;
    margin: 0 auto 2.5rem;
  }
  
  /* Mobile Access Section */
  .mobile-access-section {
    padding: 2.5rem 0;
  }
  
  .mobile-preview {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 2rem;
  }
  
  .phone-frame {
    width: 14rem;
    position: relative;
    border-radius: 2rem;
    border: 0.5rem solid var(--color-gray-800);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
  }
  
  .phone-frame::before {
    content: '';
    display: block;
    padding-top: 200%;
  }
  
  .phone-screen {
    position: absolute;
    inset: 0;
    overflow: hidden;
  }
  
  .phone-screen img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  
  .mobile-info {
    max-width: 20rem;
  }
  
  .mobile-info h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--color-gray-800);
  }
  
  .mobile-info p {
    color: var(--color-gray-600);
    margin-bottom: 1.5rem;
  }
  
  .qr-code {
    width: 10rem;
    margin: 0 auto;
    padding: 0.5rem;
    background-color: var(--color-white);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
  }
  
  /* Footer */
  .site-footer {
    background-color: var(--color-gray-900);
    color: var(--color-white);
    padding: 3rem 0 1rem;
  }
  
  .footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 2rem;
    margin-bottom: 3rem;
  }
  
  .footer-logo {
    flex: 1;
    min-width: 12rem;
  }
  
  .logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(to right, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    display: inline-block;
    margin-bottom: 0.5rem;
  }
  
  .footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 3rem;
  }
  
  .links-group h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-gray-300);
    text-transform: uppercase;
    margin-bottom: 1rem;
  }
  
  .links-group ul {
    list-style: none;
  }
  
  .links-group li {
    margin-bottom: 0.5rem;
  }
  
  .links-group a {
    color: var(--color-gray-400);
    transition: color var(--transition-normal);
  }
  
  .links-group a:hover {
    color: var(--color-primary);
  }
  
  .footer-bottom {
    text-align: center;
    border-top: 1px solid var(--color-gray-800);
    padding-top: 1.5rem;
    color: var(--color-gray-500);
    font-size: 0.875rem;
  }
  
  /* Modal */
  .modal {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-normal), visibility var(--transition-normal);
  }
  
  .modal.visible {
    opacity: 1;
    visibility: visible;
  }
  
  .modal-overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
  }
  
  .modal-container {
    position: relative;
    width: 100%;
    max-width: 32rem;
    margin: 0 1rem;
    background-color: var(--color-white);
    border-radius: var(--border-radius-2xl);
    box-shadow: var(--shadow-xl);
    transform: scale(0.9) translateY(1.25rem);
    transition: transform var(--transition-normal);
    z-index: 1;
  }
  
  .modal.visible .modal-container {
    transform: scale(1) translateY(0);
  }
  
  .modal-content {
    padding: 2rem;
  }
  
  .modal-content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
    color: var(--color-gray-800);
    margin-bottom: 1.5rem;
  }
  
  .persona-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(8rem, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
  }
  
  .persona-button {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 1rem;
    background: linear-gradient(to bottom right, var(--color-white), var(--color-gray-100));
    border: 1px solid var(--color-gray-200);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
  }
  
  .persona-button:hover {
    transform: translateY(-0.25rem) scale(1.03);
    box-shadow: var(--shadow-xl);
  }
  
  .persona-button:active {
    transform: scale(0.98);
  }
  
  .persona-button .icon {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
  }
  
  .persona-button .title {
    font-weight: 700;
    color: var(--color-gray-800);
  }
  
  .persona-button .description {
    font-size: 0.875rem;
    color: var(--color-gray-600);
  }
  
  .text-button {
    display: block;
    margin: 0 auto;
    background: none;
    border: none;
    color: var(--color-gray-500);
    text-decoration: underline;
    font-size: 0.875rem;
  }
  
  /* Media Queries */
  @media (max-width: 768px) {
    .nav-links {
      display: none;
    }
    
    .mobile-menu-toggle {
      display: flex;
    }
    
    .hero-title {
      font-size: 2.5rem;
    }
    
    .hero-subtitle {
      font-size: 1.25rem;
    }
    
    .section-title .title-text {
      font-size: 1.75rem;
    }
    
    .services-grid {
      grid-template-columns: 1fr;
    }
    
    .cta-section h2 {
      font-size: 1.75rem;
    }
    
    .cta-section p {
      font-size: 1rem;
    }
    
    .footer-content {
      flex-direction: column;
    }
    
    .persona-buttons {
      grid-template-columns: 1fr;
    }
  }