body {
    margin-left: 220px;
    font-family: 'Inter', sans-serif;
    background-color: #f8f9fad8;
}

.sidebar {
    position: fixed;
    top: 20px;
    left: 20px;
    height: auto;
    width: 180px;
    background-color: white;
    padding: 20px 0;
    z-index: 1000;
    border-radius: 16px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    border: 1px solid #e0e7ff;
}

.sidebar .nav-link {
    color: #333;
    padding: 12px 15px;
    transition: all 0.3s;
    font-weight: 500;
    border-radius: 8px;
    margin: 4px 12px;
    display: flex;
    align-items: center;
}

.sidebar .nav-link i {
    color: #2563eb;
    transition: color 0.3s;
}

.sidebar .title {
    color: #2563eb;
    padding-top: 10px;
    padding-bottom: 10px;
    padding-left: 20px;
    font-weight: 600;
    font-size: 1.2rem;
    margin-bottom: 20px;

}

.sidebar .nav-link:hover {
    background-color: #e0e7ff;
    color: #2563eb;
    text-decoration: none;
    border-radius: 8px;
}

.sidebar .nav-link:hover i {
    color: #2563eb;
}

.sidebar .navbar-nav {
    flex-direction: column;
    width: 100%;
}

.sidebar .nav-item {
    width: auto;
    margin: 0;
}

img {
    border-radius: 50%;
}

.profile-img {
    width: 150px;
    height: 150px;
    object-fit: cover;
    border: 4px solid #2563eb;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.hero-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 20px;
    padding: 40px 0;
}

.hero-text h1 {
    margin: 0;
    font-size: 2.5rem;
    font-weight: 600;
    color: #1a1a1a;
}

.hero-text p {
    margin: 8px 0 0 0;
    font-size: 1.2rem;
    color: #555;
}

.hero-text .subtitle {
    font-size: 1rem;
    color: #2563eb;
    font-weight: 500;
}

.content-section {
    padding: 30px 0;
    max-width: 800px;
}

.content-section h2 {
    color: #2563eb;
    font-weight: 600;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #e0e7ff;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 20px;
}

.skill-card {
    background: white;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    text-align: center;
}

.skill-card i {
    font-size: 2rem;
    color: #2563eb;
    margin-bottom: 10px;
}

.skill-card h4 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: #333;
}

.skill-card p {
    font-size: 0.9rem;
    color: #666;
    margin: 0;
}

.timeline-item {
    padding: 15px 0;
    border-left: 3px solid #2563eb;
    padding-left: 20px;
    margin-bottom: 15px;
}

.timeline-item h4 {
    color: #2563eb;
    font-weight: 600;
    margin-bottom: 5px;
}

.timeline-item p {
    margin: 0;
    color: #555;
}

.footer {
    text-align: center;
    padding: 30px 0;
    margin-top: 40px;
    border-top: 1px solid #e0e7ff;
    color: #666;
}

.quick-links {
    margin-top: 30px;
}

.quick-links h4 {
    color: #333;
    margin-bottom: 15px;
    font-weight: 500;
}

.links-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
}

.quick-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
    background: white;
    border-radius: 12px;
    text-decoration: none;
    color: #333;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    transition: all 0.3s;
    border: 1px solid #e0e7ff;
}

.quick-link i {
    font-size: 1.8rem;
    color: #2563eb;
    margin-bottom: 8px;
}

.quick-link span {
    font-size: 0.9rem;
    font-weight: 500;
}

.quick-link:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.15);
    border-color: #2563eb;
    color: #2563eb;
}

.project-card {
    background: white;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    margin-bottom: 20px;
}

.project-card h4 {
    color: #2563eb;
    font-weight: 600;
    margin-bottom: 10px;
}

.project-card h4 i {
    margin-right: 8px;
}

.project-card ul {
    margin: 0;
    padding-left: 20px;
    color: #555;
}

.project-card li {
    margin-bottom: 5px;
}

.contact-info {
    margin-top: 20px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: white;
    border-radius: 10px;
    margin-bottom: 15px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.contact-item i {
    font-size: 1.5rem;
    color: #2563eb;
}

.contact-item h5 {
    margin: 0 0 3px 0;
    color: #333;
    font-weight: 600;
}

.contact-item p {
    margin: 0;
    color: #666;
}

.interests-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin: 20px 0;
}

.interest-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.interest-item i {
    font-size: 1.5rem;
    color: #2563eb;
}

.soft-skills {
    list-style: none;
    padding: 0;
}

.soft-skills li {
    padding: 8px 0;
    color: #555;
}

.soft-skills li i {
    color: #2563eb;
    margin-right: 10px;
}

/* Page Contact - Centrage et séparations */
.contact-page {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.contact-header {
    margin-bottom: 40px;
}

.contact-header h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.intro-text {
    font-size: 1.1rem;
    color: #555;
    max-width: 600px;
    margin: 0 auto;
}

/* Séparateurs */
.separator {
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #2563eb, #60a5fa);
    border-radius: 2px;
    margin: 15px auto;
}

.separator-line {
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, #e0e7ff, transparent);
    margin: 40px 0;
}

/* Titres de section */
.section-title {
    color: #2563eb;
    font-weight: 600;
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.section-desc {
    color: #666;
    margin-bottom: 25px;
}

/* Grille de contact */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.contact-card {
    background: white;
    padding: 30px 20px;
    border-radius: 16px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid #e0e7ff;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.15);
    border-color: #2563eb;
}

.icon-circle {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #2563eb, #60a5fa);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
}

.icon-circle i {
    font-size: 1.5rem;
    color: white;
}

.contact-card h5 {
    color: #333;
    font-weight: 600;
    margin-bottom: 8px;
}

.contact-card p {
    color: #2563eb;
    font-weight: 500;
    margin-bottom: 5px;
}

.contact-note {
    font-size: 0.85rem;
    color: #888;
    font-style: italic;
}

/* Formulaire */
.form-container {
    background: white;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    max-width: 700px;
    margin: 0 auto;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #333;
    font-weight: 500;
}

.form-group label i {
    color: #2563eb;
    margin-right: 8px;
}

.form-control {
    border: 2px solid #e0e7ff;
    border-radius: 10px;
    padding: 12px 15px;
    transition: all 0.3s;
}

.form-control:focus {
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.btn-submit {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    color: white;
    border: none;
    padding: 15px 40px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.3);
}

/* Disponibilités */
.availability-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.avail-card {
    background: white;
    padding: 30px 20px;
    border-radius: 16px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    text-align: center;
    border: 2px solid #e0e7ff;
    transition: all 0.3s;
}

.avail-card:hover {
    border-color: #2563eb;
    transform: translateY(-5px);
}

.avail-card i {
    font-size: 2rem;
    color: #2563eb;
    margin-bottom: 15px;
}

.avail-card h4 {
    color: #333;
    font-weight: 600;
    margin-bottom: 10px;
}

.avail-card p {
    color: #666;
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Boîte d'info réponse */
.response-box {
    background: linear-gradient(135deg, #e0e7ff, #dbeafe);
    padding: 25px 30px;
    border-radius: 16px;
    display: flex;
    align-items: flex-start;
    gap: 20px;
    text-align: left;
    border-left: 4px solid #2563eb;
}

.response-box i {
    font-size: 1.8rem;
    color: #2563eb;
    flex-shrink: 0;
}

.response-box h4 {
    color: #2563eb;
    font-weight: 600;
    margin-bottom: 8px;
}

.response-box p {
    color: #555;
    margin: 0;
    line-height: 1.6;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.fade-in {
    animation: fadeIn 0.8s ease-out forwards;
}

.slide-up {
    animation: slideUp 0.8s ease-out forwards;
    opacity: 0;
}

.delay-1 {
    animation-delay: 0.2s;
}

.delay-2 {
    animation-delay: 0.4s;
}

.delay-3 {
    animation-delay: 0.6s;
}

.pulse-hover:hover {
    animation: pulse 0.5s ease-in-out;
}

/* Page Accueil */
.accueil-page {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.accueil-header {
    margin-bottom: 10px;
}

.accueil-header .separator {
    margin: 8px auto;
}

.accueil-content {
    max-width: 700px;
    margin: 0 auto 40px;
}

.accueil-content p {
    color: #555;
    line-height: 1.8;
}

.quick-links-section {
    margin: 40px 0;
}

.stats-section {
    margin-top: 40px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.stat-card {
    background: white;
    padding: 30px 20px;
    border-radius: 16px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    text-align: center;
    border: 2px solid #e0e7ff;
    transition: all 0.3s;
}

.stat-card:hover {
    border-color: #2563eb;
    transform: translateY(-5px);
}

.stat-card i {
    font-size: 2rem;
    color: #2563eb;
    margin-bottom: 15px;
}

.stat-card h4 {
    color: #333;
    font-weight: 600;
    margin-bottom: 10px;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: #2563eb;
    margin: 10px 0;
}

/* Page Compétences */
.competences-page {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.page-header {
    margin-bottom: 40px;
}

.page-header h2 {
    font-size: 2.5rem;
}

.competences-intro {
    margin: 40px 0;
}

.skill-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #2563eb, #60a5fa);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
}

.skill-icon i {
    font-size: 1.5rem;
    color: white;
}

.skill-level {
    margin-top: 15px;
}

.level-badge {
    background: #e0e7ff;
    color: #2563eb;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.cert-card {
    background: white;
    padding: 25px 20px;
    border-radius: 16px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    text-align: center;
    border: 2px solid #e0e7ff;
    transition: all 0.3s;
}

.cert-card:hover {
    border-color: #2563eb;
    transform: translateY(-5px);
}

.cert-card i {
    font-size: 2rem;
    color: #2563eb;
    margin-bottom: 15px;
}

.cert-card h4 {
    color: #333;
    font-weight: 600;
    margin-bottom: 8px;
}

.cert-card p {
    color: #666;
    font-size: 0.9rem;
}

.learning-section {
    margin-top: 40px;
}

/* Page Parcours */
.parcours-page {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.timeline-section {
    margin: 40px 0;
}

.timeline-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    background: white;
    padding: 25px;
    border-radius: 16px;
    margin-bottom: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    text-align: left;
    border-left: 4px solid #2563eb;
}

.timeline-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #2563eb, #60a5fa);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.timeline-icon i {
    font-size: 1.2rem;
    color: white;
}

.timeline-content h4 {
    color: #2563eb;
    font-weight: 600;
    margin-bottom: 8px;
}

.timeline-title {
    font-weight: 600;
    color: #333;
    margin-bottom: 5px;
}

.timeline-place {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.timeline-desc {
    color: #555;
    line-height: 1.6;
}

.stages-section {
    margin: 40px 0;
}

.stage-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.stage-card {
    background: white;
    padding: 25px;
    border-radius: 16px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    text-align: left;
    border: 2px solid #e0e7ff;
    transition: all 0.3s;
}

.stage-card:hover {
    border-color: #2563eb;
    transform: translateY(-5px);
}

.stage-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.stage-header i {
    font-size: 1.5rem;
    color: #2563eb;
}

.stage-header h4 {
    color: #333;
    font-weight: 600;
    margin: 0;
}

.stage-date {
    color: #666;
    font-size: 0.85rem;
}

.stage-entreprise {
    color: #2563eb;
    font-weight: 500;
    margin-bottom: 10px;
}

.stage-desc {
    color: #555;
    font-size: 0.9rem;
    line-height: 1.6;
}

.stage-reports {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
}

.report-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 25px;
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    color: white;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.2);
}

.report-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.3);
    color: white;
    text-decoration: none;
}

.report-btn i {
    font-size: 1.2rem;
}

@media (max-width: 768px) {
    .stage-reports {
        flex-direction: column;
        align-items: center;
    }
}

.projets-pro {
    margin: 40px 0;
}

.projet-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.projet-card {
    background: white;
    padding: 25px 20px;
    border-radius: 16px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    text-align: center;
    border: 2px solid #e0e7ff;
    transition: all 0.3s;
}

.projet-card:hover {
    border-color: #2563eb;
    transform: translateY(-5px);
}

.projet-card i {
    font-size: 2rem;
    color: #2563eb;
    margin-bottom: 15px;
}

.projet-card h4 {
    color: #333;
    font-weight: 600;
    margin-bottom: 10px;
}

.projet-card p {
    color: #555;
    font-size: 0.9rem;
    line-height: 1.6;
}

/* Page Projets */
.projets-page {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.projets-intro {
    margin: 40px 0;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
    margin-top: 30px;
}

.project-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #2563eb, #60a5fa);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.project-icon i {
    font-size: 1.5rem;
    color: white;
}

.project-desc {
    color: #666;
    margin-bottom: 15px;
    line-height: 1.6;
}

.project-list {
    list-style: none;
    padding: 0;
    margin: 0 0 20px 0;
}

.project-list li {
    padding: 8px 0;
    color: #555;
    border-bottom: 1px solid #f0f0f0;
}

.project-list li:last-child {
    border-bottom: none;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
    margin-top: 15px;
}

.tech-badge {
    background: #e0e7ff;
    color: #2563eb;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.methodo-section {
    margin: 40px 0;
}

.methodo-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.methodo-card {
    background: white;
    padding: 25px 15px;
    border-radius: 16px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    text-align: center;
    border: 2px solid #e0e7ff;
    transition: all 0.3s;
}

.methodo-card:hover {
    border-color: #2563eb;
    transform: translateY(-5px);
}

.methodo-card i {
    font-size: 2rem;
    color: #2563eb;
    margin-bottom: 15px;
}

.methodo-card h4 {
    color: #333;
    font-weight: 600;
    margin-bottom: 10px;
}

.methodo-card p {
    color: #555;
    font-size: 0.9rem;
}

.avenir-section {
    margin-top: 40px;
}

/* Page Présentation */
.presentation-page {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.about-section {
    margin: 40px 0;
}

.about-content {
    max-width: 700px;
    margin: 0 auto;
}

.about-text p {
    color: #555;
    line-height: 1.8;
    margin-bottom: 20px;
}

.interests-section {
    margin: 40px 0;
}

.interest-card {
    background: white;
    padding: 25px 20px;
    border-radius: 16px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    text-align: center;
    border: 2px solid #e0e7ff;
    transition: all 0.3s;
}

.interest-card:hover {
    border-color: #2563eb;
    transform: translateY(-5px);
}

.interest-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #2563eb, #60a5fa);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
}

.interest-icon i {
    font-size: 1.5rem;
    color: white;
}

.interest-card h4 {
    color: #333;
    font-weight: 600;
    margin-bottom: 10px;
}

.interest-card p {
    color: #666;
    font-size: 0.9rem;
    line-height: 1.6;
}

.objectifs-section {
    margin: 40px 0;
}

.objectif-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.objectif-card {
    background: white;
    padding: 30px 25px;
    border-radius: 16px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    text-align: center;
    border: 2px solid #e0e7ff;
    transition: all 0.3s;
}

.objectif-card:hover {
    border-color: #2563eb;
    transform: translateY(-5px);
}

.objectif-card i {
    font-size: 2rem;
    color: #2563eb;
    margin-bottom: 15px;
}

.objectif-card h4 {
    color: #333;
    font-weight: 600;
    margin-bottom: 15px;
}

.objectif-card p {
    color: #555;
    line-height: 1.6;
}

.softskills-section {
    margin: 40px 0;
}

.softskills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin-top: 30px;
}

.softskill-card {
    background: white;
    padding: 15px 20px;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
    display: flex;
    align-items: center;
    gap: 12px;
    border: 1px solid #e0e7ff;
    transition: all 0.3s;
}

.softskill-card:hover {
    border-color: #2563eb;
    transform: translateX(5px);
}

.softskill-card i {
    font-size: 1.2rem;
    color: #2563eb;
}

.softskill-card span {
    color: #333;
    font-weight: 500;
    font-size: 0.95rem;
}

.cta-section {
    margin-top: 40px;
}

/* Info Box commune */
.info-box {
    background: linear-gradient(135deg, #e0e7ff, #dbeafe);
    padding: 25px 30px;
    border-radius: 16px;
    display: flex;
    align-items: flex-start;
    gap: 20px;
    text-align: left;
    border-left: 4px solid #2563eb;
}

.info-box i {
    font-size: 1.8rem;
    color: #2563eb;
    flex-shrink: 0;
}

.info-box h4 {
    color: #2563eb;
    font-weight: 600;
    margin-bottom: 8px;
}

.info-box p {
    color: #555;
    margin: 0;
    line-height: 1.6;
}

/* Responsive amélioré */
@media (max-width: 768px) {
    .contact-grid,
    .cert-grid,
    .stage-cards,
    .projet-cards,
    .objectif-cards,
    .methodo-grid,
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .availability-cards,
    .projects-grid,
    .interests-grid,
    .softskills-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .response-box,
    .info-box {
        flex-direction: column;
        text-align: center;
    }
    
    .timeline-item {
        flex-direction: column;
        text-align: center;
    }
    
    .page-header h2 {
        font-size: 2rem;
    }
}

/* Animation de particules */
#particles-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}