:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --light-bg: #ecf0f1;
    --dark-text: #2c3e50;
    --white: #fff;
    --shadow: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-hover: 0 10px 20px rgba(0,0,0,0.15);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark-text);
    overflow-x: hidden;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

/* Navigation */
#navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    z-index: 1000;
    transition: all 0.3s ease;
}

#navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    transition: transform 0.3s;
}

.logo:hover {
    transform: scale(1.05);
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin-left: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--dark-text);
    font-weight: 500;
    position: relative;
    padding-bottom: 5px;
    transition: color 0.3s;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--secondary-color);
    transition: width 0.3s ease;
}

.nav-links a:hover {
    color: var(--secondary-color);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.nav-links a.active {
    color: var(--secondary-color);
}

.hamburger {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    transition: transform 0.3s;
}

.hamburger:hover {
    transform: scale(1.1);
}

/* Hero Section avec animation de fond */
.hero {
    position: relative;
    height: 100vh;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    display: flex;
    align-items: center;
    text-align: center;
    margin-top: 60px;
    overflow: hidden;
}

/* Éléments animés du fond */
.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 50%);
    animation: rotate 30s linear infinite;
    z-index: 1;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -10%;
    right: -10%;
    width: 300px;
    height: 300px;
    background: rgba(255,255,255,0.05);
    border-radius: 50%;
    animation: float 8s ease-in-out infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes float {
    0% { transform: translateY(0) translateX(0); }
    50% { transform: translateY(-30px) translateX(-20px); }
    100% { transform: translateY(0) translateX(0); }
}

.hero-content {
    position: relative;
    z-index: 2;
    animation: fadeInUp 1.5s ease;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    animation: slideInLeft 1s ease;
}

.subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    animation: slideInRight 1s ease 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    animation: fadeIn 1s ease 0.4s both;
}

.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    text-decoration: none;
    border-radius: 50px;
    transition: all 0.3s ease;
    font-weight: 500;
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255,255,255,0.2);
    transition: left 0.3s;
    z-index: -1;
}

.btn:hover::before {
    left: 0;
}

.btn-primary {
    background: var(--accent-color);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(231, 76, 60, 0.4);
}

.btn-primary:hover {
    background: #c0392b;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(231, 76, 60, 0.5);
}

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

.btn-secondary:hover {
    background: var(--white);
    color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255,255,255,0.3);
}

/* Sections */
.section {
    padding: 5rem 0;
    position: relative;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.section.revealed {
    opacity: 1;
    transform: translateY(0);
}

.bg-light {
    background: var(--light-bg);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--primary-color);
    position: relative;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease 0.2s, transform 0.6s ease 0.2s;
}

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

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: var(--accent-color);
    margin: 0.5rem auto;
    transition: width 0.4s ease;
}

.section.revealed .section-title::after {
    width: 120px;
}

/* À propos */
.propos-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: center;
}

.propos-text > * {
    opacity: 0;
    transform: translateX(-20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.section.revealed .propos-text > * {
    opacity: 1;
    transform: translateX(0);
}

.propos-text p:nth-child(1) { transition-delay: 0.1s; }
.propos-text .contact-info { transition-delay: 0.2s; }
.propos-text .langues { transition-delay: 0.3s; }

.contact-info p {
    margin: 0.5rem 0;
    transition: transform 0.3s;
}

.contact-info p:hover {
    transform: translateX(5px);
}

.contact-info i {
    width: 30px;
    color: var(--secondary-color);
    transition: transform 0.3s;
}

.contact-info p:hover i {
    transform: scale(1.2);
}

.langues h3 {
    margin: 1rem 0 0.5rem;
}

.langues ul {
    display: flex;
    flex-wrap: wrap;
    list-style: none;
    gap: 0.5rem;
}

.langues li {
    background: var(--secondary-color);
    color: var(--white);
    padding: 0.3rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    transition: all 0.3s;
    cursor: default;
}

.langues li:hover {
    background: var(--accent-color);
    transform: scale(1.05);
    box-shadow: var(--shadow);
}

.propos-image {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.8s ease 0.3s, transform 0.8s ease 0.3s;
}

.section.revealed .propos-image {
    opacity: 1;
    transform: scale(1);
}

.propos-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
}

.propos-image img:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-hover);
}

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

.timeline-item {
    display: flex;
    margin-bottom: 2rem;
    gap: 2rem;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.section.revealed .timeline-item {
    opacity: 1;
    transform: translateY(0);
}

.timeline-item:nth-child(1) { transition-delay: 0.1s; }
.timeline-item:nth-child(2) { transition-delay: 0.2s; }
.timeline-item:nth-child(3) { transition-delay: 0.3s; }

.timeline-date {
    min-width: 120px;
    font-weight: bold;
    color: var(--secondary-color);
    transition: color 0.3s;
}

.timeline-item:hover .timeline-date {
    color: var(--accent-color);
}

.timeline-content {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
    flex: 1;
    transition: transform 0.3s, box-shadow 0.3s;
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.subsection-title {
    margin: 2rem 0 1rem;
    color: var(--primary-color);
    opacity: 0;
    transform: translateX(-20px);
    transition: opacity 0.6s ease 0.4s, transform 0.6s ease 0.4s;
}

.section.revealed .subsection-title {
    opacity: 1;
    transform: translateX(0);
}

.formations-list {
    list-style: none;
    max-width: 800px;
    margin: 0 auto;
}

.formations-list li {
    background: var(--white);
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 5px;
    box-shadow: var(--shadow);
    opacity: 0;
    transform: translateX(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.section.revealed .formations-list li {
    opacity: 1;
    transform: translateX(0);
}

.formations-list li:nth-child(1) { transition-delay: 0.5s; }
.formations-list li:nth-child(2) { transition-delay: 0.6s; }
.formations-list li:nth-child(3) { transition-delay: 0.7s; }

.formations-list li:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
    background: var(--secondary-color);
    color: var(--white);
    transition: all 0.3s;
}

/* Expériences */
.experience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.exp-card {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(30px);
}

.section.revealed .exp-card {
    opacity: 1;
    transform: translateY(0);
}

.exp-card:nth-child(1) { transition-delay: 0.1s; }
.exp-card:nth-child(2) { transition-delay: 0.2s; }
.exp-card:nth-child(3) { transition-delay: 0.3s; }
.exp-card:nth-child(4) { transition-delay: 0.4s; }
.exp-card:nth-child(5) { transition-delay: 0.5s; }
.exp-card:nth-child(6) { transition-delay: 0.6s; }
.exp-card:nth-child(7) { transition-delay: 0.7s; }
.exp-card:nth-child(8) { transition-delay: 0.8s; }
.exp-card:nth-child(9) { transition-delay: 0.9s; }

.exp-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-hover);
    border-left: 4px solid var(--accent-color);
}

.exp-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.exp-company {
    font-weight: bold;
    color: var(--secondary-color);
}

.exp-date {
    color: #7f8c8d;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.exp-card ul {
    list-style: none;
}

.exp-card li {
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
    transition: transform 0.3s;
}

.exp-card li:hover {
    transform: translateX(5px);
}

.exp-card li::before {
    content: '✓';
    color: var(--accent-color);
    position: absolute;
    left: 0;
    font-weight: bold;
    transition: transform 0.3s;
}

.exp-card li:hover::before {
    transform: scale(1.2);
}

/* Projets */
.projets-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.projet-card {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(30px);
}

.section.revealed .projet-card {
    opacity: 1;
    transform: translateY(0);
}

.projet-card:nth-child(1) { transition-delay: 0.1s; }
.projet-card:nth-child(2) { transition-delay: 0.2s; }
.projet-card:nth-child(3) { transition-delay: 0.3s; }

.projet-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-hover);
    border-bottom: 4px solid var(--secondary-color);
}

.projet-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    border-bottom: 2px solid var(--secondary-color);
    padding-bottom: 0.5rem;
}

.projet-card ul {
    list-style: none;
}

.projet-card li {
    margin-bottom: 0.8rem;
    transition: transform 0.3s;
}

.projet-card li:hover {
    transform: translateX(5px);
}

.projet-card a {
    color: var(--secondary-color);
    text-decoration: none;
    position: relative;
}

.projet-card a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--secondary-color);
    transition: width 0.3s;
}

.projet-card a:hover::after {
    width: 100%;
}

/* Compétences */
.competences-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.competence-category {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(30px);
}

.section.revealed .competence-category {
    opacity: 1;
    transform: translateY(0);
}

.competence-category:nth-child(1) { transition-delay: 0.1s; }
.competence-category:nth-child(2) { transition-delay: 0.2s; }
.competence-category:nth-child(3) { transition-delay: 0.3s; }
.competence-category:nth-child(4) { transition-delay: 0.4s; }

.competence-category:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.competence-category h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    transition: color 0.3s;
}

.competence-category:hover h3 {
    color: var(--accent-color);
}

.competence-category ul {
    list-style: none;
}

.competence-category li {
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
    transition: transform 0.3s;
}

.competence-category li:hover {
    transform: translateX(5px);
}

.competence-category li::before {
    content: '▹';
    color: var(--secondary-color);
    position: absolute;
    left: 0;
    transition: color 0.3s, transform 0.3s;
}

.competence-category li:hover::before {
    color: var(--accent-color);
    transform: scale(1.2);
}

.centres-interet {
    text-align: center;
    margin-top: 2rem;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease 0.5s, transform 0.6s ease 0.5s;
}

.section.revealed .centres-interet {
    opacity: 1;
    transform: translateY(0);
}

.centres-interet h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.centres-interet ul {
    display: flex;
    justify-content: center;
    gap: 2rem;
    list-style: none;
}

.centres-interet li {
    font-size: 1.2rem;
    transition: transform 0.3s;
}

.centres-interet li:hover {
    transform: translateY(-5px);
    color: var(--accent-color);
}

.centres-interet i {
    margin-right: 0.5rem;
    color: var(--secondary-color);
    transition: transform 0.3s;
}

.centres-interet li:hover i {
    transform: rotate(10deg) scale(1.2);
    color: var(--accent-color);
}

/* Références */
.references-table {
    overflow-x: auto;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease 0.2s, transform 0.8s ease 0.2s;
}

.section.revealed .references-table {
    opacity: 1;
    transform: translateY(0);
}

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: box-shadow 0.3s;
}

table:hover {
    box-shadow: var(--shadow-hover);
}

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

th, td {
    padding: 1rem;
    text-align: left;
    transition: background 0.3s;
}

tbody tr {
    transition: background 0.3s, transform 0.3s;
}

tbody tr:hover {
    background: var(--secondary-color);
    color: var(--white);
    transform: scale(1.01);
}

tbody tr:nth-child(even) {
    background: var(--light-bg);
}

tbody tr:nth-child(even):hover {
    background: var(--secondary-color);
}

/* Contact */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
}

.contact-info {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.6s ease 0.2s, transform 0.6s ease 0.2s;
}

.contact-form {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.6s ease 0.3s, transform 0.6s ease 0.3s;
}

.section.revealed .contact-info,
.section.revealed .contact-form {
    opacity: 1;
    transform: translateX(0);
}

.contact-info h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.contact-info p {
    margin: 1rem 0;
    transition: transform 0.3s;
}

.contact-info p:hover {
    transform: translateX(5px);
}

.contact-info i {
    width: 30px;
    color: var(--secondary-color);
    transition: transform 0.3s;
}

.contact-info p:hover i {
    transform: scale(1.2);
    color: var(--accent-color);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-group {
    position: relative;
    overflow: hidden;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: inherit;
    transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 10px rgba(52, 152, 219, 0.3);
    transform: scale(1.02);
}

.form-group label {
    position: absolute;
    top: 1rem;
    left: 1rem;
    color: #999;
    transition: all 0.3s;
    pointer-events: none;
}

.form-group input:focus + label,
.form-group textarea:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:not(:placeholder-shown) + label {
    top: -10px;
    left: 10px;
    font-size: 0.8rem;
    background: var(--white);
    padding: 0 5px;
    color: var(--secondary-color);
}

#form-message {
    margin-top: 1rem;
    padding: 0.5rem;
    border-radius: 5px;
    text-align: center;
    transition: all 0.3s;
}

.success {
    background: #d4edda;
    color: #155724;
    animation: pop 0.3s ease;
}

.error {
    background: #f8d7da;
    color: #721c24;
    animation: shake 0.3s ease;
}

@keyframes pop {
    0% { transform: scale(0.8); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* Footer */
footer {
    background: var(--primary-color);
    color: var(--white);
    text-align: center;
    padding: 2rem 0;
    opacity: 0;
    animation: fadeIn 1s ease 1s forwards;
}

@keyframes fadeIn {
    to { opacity: 1; }
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hamburger {
        display: block;
    }

    .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(255,255,255,0.95);
        backdrop-filter: blur(10px);
        padding: 1rem;
        box-shadow: var(--shadow);
        animation: slideDown 0.3s ease;
    }

    @keyframes slideDown {
        from { opacity: 0; transform: translateY(-10px); }
        to { opacity: 1; transform: translateY(0); }
    }

    .nav-links.active li {
        margin: 1rem 0;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .subtitle {
        font-size: 1.2rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .propos-content {
        grid-template-columns: 1fr;
    }

    .propos-image {
        order: -1;
        max-width: 300px;
        margin: 0 auto;
    }

    .timeline-item {
        flex-direction: column;
        gap: 0.5rem;
    }

    .contact-container {
        grid-template-columns: 1fr;
    }

    .centres-interet ul {
        flex-direction: column;
        gap: 1rem;
    }
}

/* Animations génériques */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-50px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(50px); }
    to { opacity: 1; transform: translateX(0); }
}