/* VARIABLES */
:root {
    --primary: #0f4c81; /* Bleu professionnel */
    --primary-light: #3282b8;
    --primary-dark: #082c48;
    --secondary: #e63946; /* Rouge moderne */
    --secondary-light: #ff6b7a;
    --secondary-dark: #c1121f;
    --accent: #ffd60a; /* Accent jaune/doré */
    --white: #ffffff;
    --light: #f8f9fa;
    --gray: #6c757d;
    --dark: #212529;
    --ai-color: #38b48b; /* Couleur pour les éléments IA */
    --font-primary: 'Outfit', sans-serif;
    --font-secondary: 'Roboto Mono', monospace;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 5px 15px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
    --radius: 12px;
    --border: 1px solid rgba(0, 0, 0, 0.08);
  }
  
  /* BASE STYLES */
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
  }
  
  body {
    font-family: var(--font-primary);
    color: var(--dark);
    background-color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
  }
  
  h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
  }
  
  a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
  }
  
  ul {
    list-style: none;
  }
  
  img {
    max-width: 100%;
    height: auto;
  }
  
  .section-padding {
    padding: 100px 0;
  }
  
  .bg-light {
    background-color: var(--light);
  }
  
  .mt-4 {
    margin-top: 2.5rem;
  }
  
  /* HEADER & NAVIGATION */
  header {
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
  }
  
  .header-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 30px;
  }
  
  .logo a {
    font-family: var(--font-secondary);
    font-size: 24px;
    font-weight: 700;
    color: var(--dark);
    letter-spacing: -0.5px;
  }
  
  .logo span {
    color: var(--primary);
  }
  
  .nav-links {
    display: flex;
    gap: 30px;
  }
  
  .nav-link {
    font-size: 16px;
    font-weight: 500;
    color: var(--dark);
    padding: 8px 0;
    position: relative;
  }
  
  .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary);
    transition: var(--transition);
  }
  
  .nav-link:hover {
    color: var(--primary);
  }
  
  .nav-link:hover::after {
    width: 100%;
  }
  
  .hamburger {
    display: none;
    cursor: pointer;
  }
  
  .hamburger span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--dark);
    margin: 5px 0;
    transition: var(--transition);
  }
  
  /* HERO SECTION */
  .hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 30px;
    background-color: var(--white);
    position: relative;
    overflow: hidden;
  }
  
  .hero::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(58, 12, 163, 0.1) 0%, rgba(255, 255, 255, 0) 70%);
    top: -100px;
    right: -100px;
    z-index: 0;
  }
  
  .hero::after {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(247, 37, 133, 0.1) 0%, rgba(255, 255, 255, 0) 70%);
    bottom: -50px;
    left: -50px;
    z-index: 0;
  }
  
  .hero-text {
    flex: 1;
    max-width: 600px;
    z-index: 1;
  }
  
  .hero-text h1 {
    font-size: 64px;
    margin-bottom: 10px;
    line-height: 1.1;
  }
  
  .hero-text h1 span {
    color: var(--primary);
  }
  
  .hero-text h2 {
    font-size: 24px;
    color: var(--secondary);
    font-weight: 600;
    margin-bottom: 20px;
  }
  
  .hero-text p {
    font-size: 18px;
    color: var(--gray);
    margin-bottom: 30px;
    max-width: 500px;
  }
  
  .hero-buttons {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
    flex-wrap: wrap;
  }
  
  .btn {
    display: inline-block;
    padding: 12px 25px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
  }
  
  .btn i {
    margin-right: 8px;
  }
  
  .btn-primary {
    background-color: var(--primary);
    color: var(--white);
    border: 2px solid var(--primary);
  }
  
  .btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
  }
  
  .btn-outline {
    background-color: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
  }
  
  .btn-outline:hover {
    background-color: var(--primary);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
  }
  
  .btn-submit {
    width: 100%;
  }
  
  .social-links {
    display: flex;
    gap: 20px;
  }
  
  .social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background-color: var(--light);
    border-radius: 50%;
    color: var(--primary);
    font-size: 20px;
    transition: var(--transition);
  }
  
  .social-links a:hover {
    background-color: var(--primary);
    color: var(--white);
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
  }
  
  .hero-image {
    flex: 1;
    max-width: 500px;
    position: relative;
    z-index: 1;
    padding: 30px;
  }
  
  .hero-image img {
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    transform: rotate(3deg);
    position: relative;
    z-index: 2;
  }
  
  .hero-shape {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background-color: var(--primary-light);
    border-radius: var(--radius);
    transform: rotate(-3deg);
    z-index: 1;
  }
  
  /* SECTION HEADERS */
  .section-header {
    text-align: center;
    margin-bottom: 60px;
  }
  
  .section-subtitle {
    display: inline-block;
    font-size: 16px;
    font-weight: 500;
    color: var(--secondary);
    margin-bottom: 10px;
    position: relative;
  }
  
  .section-subtitle::before,
  .section-subtitle::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 30px;
    height: 1px;
    background-color: var(--secondary-light);
  }
  
  .section-subtitle::before {
    right: 100%;
    margin-right: 15px;
  }
  
  .section-subtitle::after {
    left: 100%;
    margin-left: 15px;
  }
  
  .section-title {
    font-size: 36px;
    color: var(--dark);
    position: relative;
    padding-bottom: 20px;
  }
  
  .section-title::after {
    content: '';
    position: absolute;
    width: 70px;
    height: 3px;
    background-color: var(--primary);
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
  }
  
  /* ABOUT SECTION */
  .about-container {
    display: flex;
    gap: 50px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 30px;
  }
  
  .about-image {
    flex: 1;
    position: relative;
  }
  
  .about-image img {
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
  }
  
  .exp-box {
    position: absolute;
    bottom: 30px;
    right: -20px;
    background-color: var(--primary);
    color: var(--white);
    border-radius: var(--radius);
    padding: 20px;
    text-align: center;
    box-shadow: var(--shadow-md);
  }
  
  .exp-number {
    font-size: 40px;
    font-weight: 700;
    line-height: 1;
  }
  
  .exp-text {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
  }
  
  .about-content {
    flex: 1;
  }
  
  .about-content h3 {
    font-size: 30px;
    margin-bottom: 20px;
    color: var(--dark);
  }
  
  .about-content p {
    font-size: 16px;
    color: var(--gray);
    margin-bottom: 20px;
  }
  
  .about-info {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 30px;
  }
  
  @media (max-width: 992px) {
    .about-info {
      grid-template-columns: repeat(2, 1fr);
    }
  }
  
  @media (max-width: 576px) {
    .about-info {
      grid-template-columns: 1fr;
    }
  }
  
  .info-item {
    flex: 1;
    min-width: 200px;
    background-color: var(--white);
    padding: 25px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
  }
  
  .info-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
  }
  
  .info-item h4 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--primary);
  }
  
  .info-item h4 i {
    margin-right: 10px;
  }
  
  .info-item p {
    margin-bottom: 0;
  }
  
  /* SKILLS SECTION */
  .skills-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 30px;
  }
  
  .skills-group {
    margin-bottom: 40px;
  }
  
  .skills-group:last-child {
    margin-bottom: 0;
  }
  
  .skills-group-title {
    font-size: 24px;
    margin-bottom: 30px;
    color: var(--dark);
    display: flex;
    align-items: center;
  }
  
  .skills-group-title i {
    margin-right: 15px;
    color: var(--primary);
  }
  
  .skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 30px;
  }
  
  .skill-card {
    background-color: var(--white);
    border-radius: var(--radius);
    padding: 30px 20px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
  }
  
  .skill-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
  }
  
  .skill-icon {
    font-size: 40px;
    color: var(--primary);
    margin-bottom: 15px;
  }
  
  .skill-card h4 {
    font-size: 18px;
    margin-bottom: 15px;
  }
  
  .skill-level {
    display: flex;
    justify-content: center;
    gap: 5px;
    margin-bottom: 10px;
  }
  
  .level-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--light);
    border: 1px solid var(--primary-light);
  }
  
  .level-dot.active {
    background-color: var(--primary);
  }
  
  .skill-status {
    font-size: 14px;
    color: var(--gray);
    font-weight: 500;
  }
  
  /* PROJECTS SECTION */
  .projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 30px;
  }
  
  .project-card {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    height: 280px;
  }
  
  .project-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
  }
  
  .project-image {
    width: 100%;
    height: 100%;
  }
  
  .project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
  }
  
  .project-card:hover .project-image img {
    transform: scale(1.1);
  }
  
  .project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: var(--white);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 25px;
    opacity: 0;
    transition: var(--transition);
  }
  
  .project-card:hover .project-overlay {
    opacity: 1;
  }
  
  .project-overlay h3 {
    font-size: 22px;
    margin-bottom: 10px;
  }
  
  .project-overlay p {
    font-size: 14px;
    margin-bottom: 15px;
    color: rgba(255, 255, 255, 0.8);
  }
  
  .project-links {
    display: flex;
    gap: 15px;
  }
  
  .project-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: var(--white);
    color: var(--primary);
    border-radius: 50%;
    font-size: 18px;
    transition: var(--transition);
  }
  
  .project-link:hover {
    background-color: var(--primary);
    color: var(--white);
    transform: translateY(-3px);
  }
  
  /* STAGES SECTION */
  .stages-timeline {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding: 30px;
  }
  
  .stages-timeline::before {
    content: '';
    position: absolute;
    width: 2px;
    height: 100%;
    background-color: var(--primary-light);
    left: 50%;
    transform: translateX(-50%);
    top: 0;
  }
  
  .stage-card {
    position: relative;
    margin-bottom: 80px;
    display: flex;
    justify-content: flex-end;
    align-items: center;
  }
  
  .stage-card:last-child {
    margin-bottom: 0;
  }
  
  .stage-card:nth-child(even) {
    flex-direction: row-reverse;
  }
  
  .stage-year {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--primary);
    color: var(--white);
    padding: 10px 20px;
    border-radius: 50px;
    font-weight: 600;
    z-index: 1;
  }
  
  .stage-content {
    width: 45%;
    background-color: var(--white);
    border-radius: var(--radius);
    padding: 30px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
  }
  
  .stage-card:hover .stage-content {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
  }
  
  .stage-logo {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
  }
  
  .stage-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
  }
  
  .stage-content h3 {
    font-size: 20px;
    margin-bottom: 15px;
  }
  
  .stage-tasks {
    margin-left: 10px;
  }
  
  .stage-tasks li {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
  }
  
  .stage-tasks li:last-child {
    margin-bottom: 0;
  }
  
  .stage-tasks i {
    color: var(--primary);
    margin-right: 10px;
  }
  
  /* CERTIFICATIONS SECTION */
  .cert-container {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 30px;
  }
  
  .cert-card {
    width: 350px;
    background-color: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
  }
  
  .cert-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
  }
  
  .cert-image {
    height: 180px;
    background-color: var(--light);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
  }
  
  .cert-image img {
    max-height: 100%;
    max-width: 100%;
    object-fit: contain;
  }
  
  .cert-content {
    padding: 25px;
  }
  
  .cert-content h3 {
    font-size: 22px;
    margin-bottom: 10px;
  }
  
  .cert-content p {
    font-size: 16px;
    color: var(--gray);
    margin-bottom: 20px;
  }
  
  .cert-link {
    display: inline-block;
    color: var(--primary);
    font-weight: 600;
    transition: var(--transition);
  }
  
  .cert-link i {
    margin-right: 8px;
  }
  
  .cert-link:hover {
    color: var(--primary-dark);
  }
  
  .cert-link.disabled {
    color: var(--gray);
    cursor: not-allowed;
  }
  
  /* VEILLE SECTION */
  .veille-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 30px;
  }
  
  .veille-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 50px;
  }
  
  .veille-intro p {
    font-size: 18px;
    color: var(--gray);
  }
  
  .veille-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
  }
  
  .veille-card {
    background-color: var(--white);
    border-radius: var(--radius);
    padding: 30px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
  }
  
  .veille-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
  }
  
  .veille-icon {
    width: 60px;
    height: 60px;
    background-color: var(--primary-light);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 20px;
  }
  
  .veille-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
  }
  
  .veille-card p {
    font-size: 15px;
    color: var(--gray);
    margin-bottom: 20px;
  }
  
  .veille-link {
    display: inline-block;
    color: var(--primary);
    font-weight: 600;
  }
  
  .veille-link i {
    margin-right: 8px;
  }
  
  .veille-link:hover {
    color: var(--primary-dark);
  }
  
  .veille-summary {
    background-color: var(--white);
    border-radius: var(--radius);
    padding: 30px;
    box-shadow: var(--shadow-md);
  }
  
  .veille-summary h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: var(--dark);
  }
  
  .veille-summary p {
    font-size: 16px;
    color: var(--gray);
    line-height: 1.8;
  }
  
  /* CONTACT SECTION */
  .contact-container {
    display: flex;
    flex-wrap: wrap;
    gap: 50px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 30px;
  }
  
  .contact-info {
    flex: 1;
    min-width: 300px;
  }
  
  .contact-card {
    display: flex;
    gap: 20px;
    background-color: var(--white);
    padding: 25px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    margin-bottom: 30px;
    transition: var(--transition);
  }
  
  .contact-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
  }
  
  .contact-icon {
    width: 50px;
    height: 50px;
    background-color: var(--primary-light);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
  }
  
  .contact-detail {
    flex: 1;
  }
  
  .contact-detail h3 {
    font-size: 18px;
    margin-bottom: 5px;
  }
  
  .contact-detail a {
    color: var(--gray);
    transition: var(--transition);
  }
  
  .contact-detail a:hover {
    color: var(--primary);
  }
  
  .contact-form-container {
    flex: 1;
    min-width: 300px;
  }
  
  .contact-form {
    background-color: var(--white);
    padding: 30px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
  }
  
  .form-group {
    margin-bottom: 20px;
  }
  
  .form-group label {
    display: block;
    font-size: 16px;
    margin-bottom: 8px;
    font-weight: 500;
  }
  
  .form-group input,
  .form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    font-family: var(--font-primary);
    font-size: 16px;
    transition: var(--transition);
  }
  
  .form-group input:focus,
  .form-group textarea:focus {
    outline: none;
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.2);
  }
  
  .form-group textarea {
    resize: vertical;
  }
  
  /* FOOTER */
  footer {
    background-color: var(--primary-dark);
    color: var(--white);
    padding: 80px 0 30px;
  }
  
  .footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 30px;
    display: flex;
    flex-wrap: wrap;
    gap: 50px;
    margin-bottom: 50px;
  }
  
  .footer-logo {
    flex: 2;
    min-width: 300px;
  }
  
  .footer-logo a {
    font-family: var(--font-secondary);
    font-size: 24px;
    font-weight: 700;
    color: var(--white);
    letter-spacing: -0.5px;
    display: inline-block;
    margin-bottom: 20px;
  }
  
  .footer-logo span {
    color: var(--secondary);
  }
  
  .footer-logo p {
    color: rgba(255, 255, 255, 0.7);
    max-width: 300px;
  }
  
  .footer-links {
    flex: 1;
    min-width: 200px;
  }
  
  .footer-links h3 {
    font-size: 18px;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 10px;
  }
  
  .footer-links h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--secondary);
  }
  
  .footer-links ul li {
    margin-bottom: 12px;
  }
  
  .footer-links ul li a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
    display: flex;
    align-items: center;
  }
  
  .footer-links ul li a::before {
    content: '→';
    margin-right: 10px;
    opacity: 0;
    transform: translateX(-10px);
    transition: var(--transition);
  }
  
  .footer-links ul li a:hover {
    color: var(--white);
    padding-left: 5px;
  }
  
  .footer-links ul li a:hover::before {
    opacity: 1;
    transform: translateX(0);
  }
  
  .footer-social {
    flex: 1;
    min-width: 200px;
  }
  
  .footer-social h3 {
    font-size: 18px;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 10px;
  }
  
  .footer-social h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--secondary);
  }
  
  .footer-social .social-icons {
    display: flex;
    gap: 15px;
  }
  
  .footer-social .social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--white);
    font-size: 18px;
    transition: var(--transition);
  }
  
  .footer-social .social-icons a:hover {
    background-color: var(--secondary);
    transform: translateY(-5px);
  }
  
  .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    padding-top: 30px;
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 30px;
    padding-right: 30px;
  }
  
  .footer-bottom p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
  }
  
  /* RESPONSIVE STYLES */
  @media (max-width: 1200px) {
    .section-padding {
      padding: 80px 0;
    }
    
    .hero-text h1 {
      font-size: 54px;
    }
    
    .hero-image {
      padding: 20px;
    }
  }
  
  @media (max-width: 992px) {
    .hero {
      flex-direction: column;
      padding-top: 100px;
      height: auto;
      min-height: 100vh;
    }
    
    .hero-text {
      text-align: center;
      margin-bottom: 40px;
    }
    
    .hero-text p {
      margin-left: auto;
      margin-right: auto;
    }
    
    .hero-buttons {
      justify-content: center;
    }
    
    .social-links {
      justify-content: center;
    }
    
    .hero-image {
      margin: 0 auto;
    }
    
    .about-container {
      flex-direction: column;
    }
    
    .about-image {
      margin: 0 auto;
      max-width: 500px;
    }
    
    .stages-timeline::before {
      left: 20px;
    }
    
    .stage-card {
      justify-content: flex-start;
    }
    
    .stage-card:nth-child(even) {
      flex-direction: row;
    }
    
    .stage-year {
      left: 20px;
      transform: translateX(0);
    }
    
    .stage-content {
      width: calc(100% - 60px);
      margin-left: 60px;
    }
  }
  
  @media (max-width: 768px) {
    .header-container {
      padding: 15px 20px;
    }
    
    .nav-links {
      position: fixed;
      top: 70px;
      left: -100%;
      width: 100%;
      height: 100vh;
      background-color: var(--white);
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 20px;
      transition: var(--transition);
      z-index: 999;
    }
    
    .nav-links.active {
      left: 0;
    }
    
    .hamburger {
      display: block;
      z-index: 1000;
    }
    
    .hamburger.active span:nth-child(1) {
      transform: rotate(45deg) translate(5px, 5px);
    }
    
    .hamburger.active span:nth-child(2) {
      opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
      transform: rotate(-45deg) translate(7px, -7px);
    }
    
    .hero-text h1 {
      font-size: 42px;
    }
    
    .hero-text h2 {
      font-size: 20px;
    }
    
    .section-title {
      font-size: 30px;
    }
    
    .projects-grid {
      grid-template-columns: 1fr;
    }
    
    .cert-container {
      gap: 20px;
    }
    
    .cert-card {
      width: 100%;
    }
    
    .veille-cards {
      grid-template-columns: 1fr;
    }
  }
  /* Updated Stages Section Styles */
.stages-timeline {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding: 30px;
  }
  
  .stages-timeline::before {
    content: '';
    position: absolute;
    width: 2px;
    height: 100%;
    background-color: var(--primary-light);
    left: 50%;
    transform: translateX(-50%);
    top: 0;
  }
  
  .stage-card {
    position: relative;
    margin-bottom: 80px;
    display: flex;
    justify-content: flex-end;
    align-items: center;
  }
  
  .stage-card:last-child {
    margin-bottom: 0;
  }
  
  .stage-card:nth-child(even) {
    flex-direction: row-reverse;
  }
  
  .stage-year {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--primary);
    color: var(--white);
    padding: 10px 20px;
    border-radius: 50px;
    font-weight: 600;
    z-index: 1;
  }
  
  .stage-content {
    width: 45%;
    background-color: var(--white);
    border-radius: var(--radius);
    padding: 30px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
  }
  
  .stage-card:hover .stage-content {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
  }
  
  .stage-header {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
  }
  
  .stage-logo {
    width: 80px;
    height: 80px;
    margin-right: 20px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
  }
  
  .stage-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
  }
  
  .stage-company {
    font-size: 18px;
    color: var(--primary);
    font-weight: 600;
  }
  
  .stage-content h3 {
    font-size: 20px;
    margin-bottom: 15px;
  }
  
  .stage-tasks {
    margin-left: 10px;
  }
  
  .stage-tasks li {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
  }
  
  .stage-tasks li:last-child {
    margin-bottom: 0;
  }
  
  .stage-tasks i {
    color: var(--primary);
    margin-right: 10px;
  }
  
  /* Responsive Styles for Stages Section */
  @media (max-width: 992px) {
    .stages-timeline::before {
      left: 20px;
    }
    
    .stage-card {
      justify-content: flex-start;
    }
    
    .stage-card:nth-child(even) {
      flex-direction: row;
    }
    
    .stage-year {
      left: 20px;
      transform: translateX(0);
    }
    
    .stage-content {
      width: calc(100% - 60px);
      margin-left: 60px;
    }
  }
  
  @media (max-width: 576px) {
    .hero-text h1 {
      font-size: 36px;
    }
    
    .section-padding {
      padding: 60px 0;
    }
    
    .section-header {
      margin-bottom: 40px;
    }
    
    .about-info {
      flex-direction: column;
    }
    
    .skills-grid {
      grid-template-columns: 1fr;
    }
    
    .footer-container {
      flex-direction: column;
      gap: 30px;
    }
    
    .footer-links, .footer-social {
      min-width: 100%;
    }
  }