/* Reset et styles de base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: rgb(1, 14, 187);
    --primary-dark: rgb(1, 11, 150);
    --primary-light: rgba(1, 14, 187, 0.1);
    --text-dark: #2d3748;
    --text-gray: #4a5568;
    --text-light: #718096;
    --bg-white: #ffffff;
    --bg-gray: #f7fafc;
    --bg-light: #edf2f7;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
    overflow-x: hidden;
    position: relative;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--bg-light);
    z-index: 1000;
    transition: var(--transition);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo span {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-gray);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover {
    color: var(--primary-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

.nav-link:hover::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    transition: all 0.3s ease;
    background-color: transparent;
    border: 2px solid transparent;
}

.hamburger:hover {
    background-color: rgba(1, 14, 187, 0.1);
    border-color: rgba(1, 14, 187, 0.2);
    transform: scale(1.05);
}

.hamburger span {
    width: 28px;
    height: 3px;
    background-color: var(--text-dark);
    margin: 4px 0;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    border-radius: 2px;
    transform-origin: center;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, var(--bg-white) 0%, var(--bg-gray) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    align-items: center;
}

.hero-image {
    text-align: center;
}

.profile-img {
    width: 280px;
    height: 280px;
    border-radius: 50%;
    object-fit: cover;
    border: 6px solid white;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.profile-img:hover {
    transform: scale(1.05);
}

.hero-text h1 {
    font-size: 3rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.hero-text .title {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-gray);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Boutons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 12px 24px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background-color: white;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-large {
    padding: 16px 32px;
    font-size: 1.1rem;
}

/* Sections */
.section-title {
    font-size: 2.5rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-dark);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

/* À propos */
.about {
    padding: 80px 0;
    background-color: var(--bg-white);
    position: relative;
    z-index: 1;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-content p {
    font-size: 1.1rem;
    color: var(--text-gray);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

/* Expériences */
.experiences {
    padding: 80px 0;
    background-color: var(--bg-gray);
    position: relative;
    z-index: 1;
}

.timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 3px;
    height: 100%;
    background-color: var(--primary-color);
}

.timeline-item {
    display: flex;
    margin: 2rem 0;
    position: relative;
}

.timeline-item:nth-child(odd) {
    flex-direction: row;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-date {
    flex: 1;
    padding: 1rem;
    text-align: center;
    font-weight: 600;
    color: var(--primary-color);
    font-size: 0.9rem;
}

.timeline-content {
    flex: 1;
    background-color: white;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    margin: 0 1rem;
    position: relative;
}

.timeline-content::before {
    content: '';
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border: 10px solid transparent;
}

.timeline-item:nth-child(odd) .timeline-content::before {
    left: -20px;
    border-right-color: white;
}

.timeline-item:nth-child(even) .timeline-content::before {
    right: -20px;
    border-left-color: white;
}

.timeline-content h3 {
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.timeline-content h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: 500;
}

.timeline-content ul {
    list-style: none;
    padding-left: 0;
}

.timeline-content li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-gray);
}

.timeline-content li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

/* Compétences */
.skills {
    padding: 80px 0;
    background-color: var(--bg-white);
    position: relative;
    z-index: 1;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.skill-category {
    background-color: var(--bg-gray);
    padding: 2rem;
    border-radius: var(--border-radius);
    text-align: center;
}

.skill-category h3 {
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
}

.skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
}

.skill-badge {
    background-color: var(--primary-light);
    color: var(--primary-color);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid rgba(1, 14, 187, 0.2);
    transition: var(--transition);
}

.skill-badge:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

/* Formation */
.education {
    padding: 80px 0;
    background-color: var(--bg-gray);
    position: relative;
    z-index: 1;
}

.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.education-item {
    background-color: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    display: flex;
    gap: 1.5rem;
    transition: var(--transition);
}

.education-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.education-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background-color: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.5rem;
}

.education-content h3 {
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.education-content h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.95rem;
}

.education-date {
    display: inline-block;
    background-color: var(--bg-light);
    color: var(--text-gray);
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.85rem;
    margin-bottom: 0.75rem;
}

.education-content p {
    color: var(--text-gray);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* Contact */
.contact {
    padding: 80px 0;
    background-color: var(--bg-white);
    position: relative;
    z-index: 1;
    width: 100%;
}

.contact .container {
    max-width: none !important;
    width: 100% !important;
    padding: 0 !important;
    margin: 0 !important;
}

.contact .section-title {
    text-align: center;
    margin-bottom: 3rem;
    padding: 0 2rem;
}

.contact-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    width: 100%;
    max-width: none;
    margin: 0 0 3rem 0;
    padding: 0 2rem;
    justify-items: stretch;
}

.contact-item {
    margin-bottom: 1.5rem;
    padding: 1rem 1.25rem;
    background: rgba(1, 14, 187, 0.02);
    border-radius: var(--border-radius);
    border-left: 3px solid var(--primary-color);
    transition: all 0.3s ease;
    width: 100%;
}

.contact-item-content {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.contact-title {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0;
    color: var(--text-dark);
    font-size: 1.1rem;
    font-weight: 600;
    text-align: center;
}

.contact-title i {
    width: 35px;
    height: 35px;
    background-color: var(--primary-light);
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}

.contact-item h3 {
    color: var(--text-dark);
    margin-bottom: 0.25rem;
    font-size: 1.1rem;
}

.contact-item a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

.contact-item a:hover {
    color: var(--primary-dark);
}

/* Boutons de contact stylés */
.contact-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 8px 18px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white !important;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 500;
    font-size: 0.85rem;
    transition: all 0.3s ease;
    box-shadow: 0 3px 10px rgba(1, 14, 187, 0.3);
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    min-width: 130px;
}

.contact-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(1, 14, 187, 0.4);
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
}

.contact-btn:active {
    transform: translateY(-1px);
}

.contact-btn-email {
    background: linear-gradient(135deg, #e74c3c, #c0392b);
    box-shadow: 0 4px 15px rgba(231, 76, 60, 0.3);
}

.contact-btn-email:hover {
    background: linear-gradient(135deg, #c0392b, #e74c3c);
    box-shadow: 0 8px 25px rgba(231, 76, 60, 0.4);
}

.contact-btn-phone {
    background: linear-gradient(135deg, #27ae60, #229954);
    box-shadow: 0 4px 15px rgba(39, 174, 96, 0.3);
}

.contact-btn-phone:hover {
    background: linear-gradient(135deg, #229954, #27ae60);
    box-shadow: 0 8px 25px rgba(39, 174, 96, 0.4);
}

.contact-details {
    display: block;
    font-size: 0.8rem;
    color: var(--text-gray);
    margin: 0;
    font-weight: 500;
}

.location-info {
    margin-top: 0.5rem;
}

.location-info span {
    color: var(--text-gray);
    font-size: 1rem;
    padding-left: 0.5rem;
}

.social-links h3 {
    color: var(--text-dark);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.social-icons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.social-icons a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-gray);
    text-decoration: none;
    transition: var(--transition);
    padding: 0.5rem;
    border-radius: var(--border-radius);
}

.social-icons a:hover {
    color: var(--primary-color);
    background-color: var(--primary-light);
}

.contact-cta {
    text-align: center;
}

/* Footer */
.footer {
    background-color: var(--text-dark);
    color: white;
    text-align: center;
    padding: 2rem 0;
}

/* Optimisation spécifique pour mode paysage */
@media (orientation: landscape) and (min-width: 1024px) {
    .contact-content {
        gap: 1.5rem;
        padding: 0 3%;
        width: 100%;
        max-width: none;
        margin: 0 0 3rem 0;
        justify-items: stretch;
    }
    
    .contact-item {
        min-height: 200px;
        padding: 1.5rem 1.25rem;
        width: 100%;
    }
    
    .contact-title i {
        width: 60px;
        height: 60px;
        font-size: 1.4rem;
    }
}

/* Optimisation pour écrans paysage et larges */
@media (min-width: 1024px) {
    .contact-content {
        gap: 1.5rem;
        padding: 0 3rem;
        align-items: stretch;
        justify-items: stretch;
        width: 100%;
    }
    
    .contact-item {
        padding: 1.25rem;
        margin-bottom: 0;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        min-height: 180px;
        width: 100%;
    }
    
    .contact-item-content {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: space-between;
        height: 100%;
        text-align: center;
    }
}

@media (min-width: 1200px) {
    .contact-content {
        gap: 2rem;
        padding: 0 4rem;
    }
    
    .contact-item {
        padding: 1.5rem;
        min-height: 200px;
        width: 100%;
    }
}

@media (min-width: 1600px) {
    .contact-content {
        gap: 2.5rem;
        padding: 0 6rem;
    }
    
    .contact-item {
        padding: 1.75rem;
        min-height: 220px;
        width: 100%;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        right: -100%;
        top: 0;
        flex-direction: column;
        background: linear-gradient(135deg, rgba(1, 14, 187, 0.95) 0%, rgba(1, 14, 187, 0.98) 100%);
        backdrop-filter: blur(10px);
        width: 280px;
        height: 100vh;
        text-align: left;
        transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.2);
        padding: 120px 0 2rem 0;
        z-index: 999;
        overflow-y: auto;
    }
    
    .nav-menu.active {
        right: 0;
        transform: translateX(0);
    }
    
    .nav-menu .nav-link {
        padding: 1.2rem 2rem;
        display: block;
        color: rgba(255, 255, 255, 0.9);
        font-weight: 500;
        font-size: 1.1rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        transition: all 0.3s ease;
        transform: translateX(20px);
        opacity: 0;
        animation: slideInMenu 0.6s ease forwards;
    }
    
    .nav-menu.active .nav-link:nth-child(1) { animation-delay: 0.1s; }
    .nav-menu.active .nav-link:nth-child(2) { animation-delay: 0.2s; }
    .nav-menu.active .nav-link:nth-child(3) { animation-delay: 0.3s; }
    .nav-menu.active .nav-link:nth-child(4) { animation-delay: 0.4s; }
    .nav-menu.active .nav-link:nth-child(5) { animation-delay: 0.5s; }
    
    .nav-menu .nav-link:hover {
        background-color: rgba(255, 255, 255, 0.15);
        color: white;
        transform: translateX(10px);
        border-left: 4px solid white;
    }
    
    /* Style spécifique pour les liens actifs dans le menu mobile */
    .nav-menu.active .nav-link.active,
    .nav-menu .nav-link.active {
        background-color: rgba(255, 255, 255, 0.25) !important;
        color: #FFFFFF !important;
        font-weight: 700 !important;
        border-left: 6px solid #FFD700 !important;
        transform: translateX(15px) !important;
        text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.8) !important;
        border-radius: 0 8px 8px 0 !important;
        box-shadow: inset 0 0 10px rgba(255, 215, 0, 0.2) !important;
    }
    
    .nav-menu .nav-link.active::after {
        display: none !important;
    }
    
    .nav-menu .nav-link:last-child {
        border-bottom: none;
    }
    
    /* Animation pour les liens du menu */
    @keyframes slideInMenu {
        to {
            opacity: 1;
            transform: translateX(0);
        }
    }
    
    /* Overlay sombre en arrière-plan */
    .nav-menu.active::before {
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        right: 280px;
        bottom: 0;
        background-color: rgba(0, 0, 0, 0.5);
        backdrop-filter: blur(2px);
        z-index: -1;
        animation: fadeInOverlay 0.4s ease;
    }
    
    @keyframes fadeInOverlay {
        from { opacity: 0; }
        to { opacity: 1; }
    }
    
    .hamburger {
        display: flex;
    }
    
    .hamburger.active {
        background-color: rgba(1, 14, 187, 0.15);
        border-color: rgba(1, 14, 187, 0.3);
        transform: scale(1.1);
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(-45deg) translate(-6px, 7px);
        background-color: var(--primary-color);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
        transform: scale(0);
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(45deg) translate(-6px, -7px);
        background-color: var(--primary-color);
    }
    
    .hero {
        padding: 100px 0 60px;
        min-height: auto;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .profile-img {
        width: 200px;
        height: 200px;
    }
    
    .hero-text h1 {
        font-size: 2.2rem;
    }
    
    .hero-text .title {
        font-size: 1.2rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        flex-direction: column !important;
        margin-left: 40px;
        /* Animation mobile : depuis le bas uniquement */
        opacity: 0;
        transform: translateY(40px) !important;
    }
    
    .timeline-item.show {
        opacity: 1;
        transform: translateY(0) !important;
    }
    
    .timeline-date {
        text-align: left;
        padding: 0.5rem 0;
    }
    
    .timeline-content {
        margin: 0;
    }
    
    .timeline-content::before {
        left: -20px !important;
        right: auto !important;
        border-right-color: white !important;
        border-left-color: transparent !important;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .education-grid {
        grid-template-columns: 1fr;
    }
    
    .education-item {
        flex-direction: column;
        text-align: center;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .contact-btn {
        padding: 10px 20px;
        font-size: 0.9rem;
        border-radius: 40px;
    }
    
    .contact-item {
        padding: 1rem;
        margin-bottom: 2rem;
    }
    
    .container {
        padding: 0 15px;
    }
}

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 1.8rem;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .btn-large {
        padding: 14px 28px;
        font-size: 1rem;
    }
    
    .profile-img {
        width: 150px;
        height: 150px;
    }
    
    .skills-list {
        gap: 0.5rem;
    }
    
    .skill-badge {
        font-size: 0.8rem;
        padding: 0.4rem 0.8rem;
    }
}

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

.hero-content,
.about-content,
.timeline-item,
.skill-category,
.education-item {
    animation: fadeInUp 0.6s ease-out;
    animation-fill-mode: both;
}

/* États de focus pour l'accessibilité */
.btn:focus,
.nav-link:focus,
.contact-item a:focus,
.social-icons a:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Lien actif dans la navigation */
.nav-link.active {
    color: var(--primary-color);
}

.nav-link.active::after {
    width: 100%;
}

/* Animation d'entrée */
.animate-in {
    animation: fadeInUp 0.6s ease-out forwards;
}

/* Animations de scroll fluides */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
    will-change: opacity, transform;
}

.fade-in.show {
    opacity: 1;
    transform: translateY(0);
}

.slide-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.7s ease-out, transform 0.7s ease-out;
    will-change: opacity, transform;
}

.slide-left.show {
    opacity: 1;
    transform: translateX(0);
}

.slide-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.7s ease-out, transform 0.7s ease-out;
    will-change: opacity, transform;
}

.slide-right.show {
    opacity: 1;
    transform: translateX(0);
}

.scale-up {
    opacity: 0;
    transform: scale(0.9) translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
    will-change: opacity, transform;
}

.scale-up.show {
    opacity: 1;
    transform: scale(1) translateY(0);
}

.bounce-in {
    opacity: 0;
    transform: scale(0.8);
    transition: opacity 0.6s ease-out, transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
    will-change: opacity, transform;
}

.bounce-in.show {
    opacity: 1;
    transform: scale(1);
}

/* Délais pour les animations en cascade */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }
.delay-6 { transition-delay: 0.6s; }

/* Animation pour les titres avec underline animé */
.section-title.animated-title {
    opacity: 0;
    transform: translateY(-30px);
    transition: all 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.section-title.animated-title.show {
    opacity: 1;
    transform: translateY(0);
}

.section-title.animated-title::after {
    transform: scaleX(0);
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    transition-delay: 0.3s;
}

.section-title.animated-title.show::after {
    transform: scaleX(1);
}

/* Animation des badges de compétences fluide */
.skills-list .skill-badge {
    opacity: 0;
    transform: translateY(15px);
    transition: opacity 0.5s ease-out, transform 0.5s ease-out;
    will-change: opacity, transform;
}

.skills-list .skill-badge.show {
    opacity: 1;
    transform: translateY(0);
}

/* Délais progressifs réduits pour fluidité */
.skills-list .skill-badge:nth-child(1) { transition-delay: 0.05s; }
.skills-list .skill-badge:nth-child(2) { transition-delay: 0.1s; }
.skills-list .skill-badge:nth-child(3) { transition-delay: 0.15s; }
.skills-list .skill-badge:nth-child(4) { transition-delay: 0.2s; }
.skills-list .skill-badge:nth-child(5) { transition-delay: 0.25s; }
.skills-list .skill-badge:nth-child(6) { transition-delay: 0.3s; }

/* Animation simple et fluide pour la timeline */
.timeline-item {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
    will-change: opacity, transform;
}

.timeline-item.show {
    opacity: 1;
    transform: translateY(0) !important;
}

/* Assurer que les éléments sont cachés par défaut */
.about-content,
.skill-category,
.education-item {
    opacity: 0;
    transform: translateY(25px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
    will-change: opacity, transform;
}

/* États visibles pour tous les éléments */
.about-content.show,
.skill-category.show,
.education-item.show {
    opacity: 1;
    transform: translateY(0);
}

/* Animation fluide des cartes de contact */
.contact-item {
    opacity: 0;
    transform: translateY(25px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
    will-change: opacity, transform;
}

.contact-item.show {
    opacity: 1;
    transform: translateY(0);
}

/* Animation ripple pour les boutons */
@keyframes ripple {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* Navigation au clavier */
.keyboard-navigation *:focus {
    outline: 2px solid var(--primary-color) !important;
    outline-offset: 2px;
}

/* Scroll smooth et performance */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}