/* Variables CSS */
:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --accent-color: #f59e0b;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    --background-light: #f9fafb;
    --background-white: #ffffff;
    --border-color: #e5e7eb;
    --shadow-light: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-large: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --font-family: 'Inter', sans-serif;
    --max-width: 1200px;
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background-white);
}

.container {
    max-width: var(--max-width);
    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(--border-color);
    z-index: 1000;
    transition: var(--transition);
}

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

.nav-logo a {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

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

.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-item {
    margin-left: 32px;
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
    transition: var(--transition);
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: var(--text-primary);
    margin: 3px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><polygon fill="%23ffffff" fill-opacity="0.05" points="0,1000 1000,0 1000,1000"/></svg>');
    background-size: cover;
}

.hero-container {
    position: relative;
    z-index: 2;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    opacity: 1;
    transform: translateY(0);
    transition: all 0.6s ease;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.highlight {
    background: linear-gradient(45deg, #f59e0b, #ef4444);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 40px;
    color: rgba(255, 255, 255, 0.9);
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--accent-color);
    color: white;
    box-shadow: var(--shadow-medium);
}

.btn-primary:hover {
    background-color: #d97706;
    transform: translateY(-2px);
    box-shadow: var(--shadow-large);
}

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

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

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-avatar {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    overflow: hidden;
    border: 5px solid rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-large);
    position: relative;
}

.hero-avatar .profile-media {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.hero-avatar .profile-media.active {
    opacity: 1;
}

#profile-img {
    background-color: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: rgba(255, 255, 255, 0.7);
}

#profile-video {
    border-radius: 50%;
}

.media-controls {
    position: absolute;
    bottom: 10px;
    right: 10px;
    display: flex;
    gap: 8px;
    z-index: 10;
}

.media-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    font-size: 16px;
    cursor: pointer;
    transition: var(--transition);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
}

.media-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

.media-btn.active {
    background: var(--accent-color);
    color: white;
}

.profile-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
    color: white;
    padding: 20px;
    text-align: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    border-radius: 0 0 50% 50%;
}

.hero-avatar:hover .profile-overlay {
    opacity: 1;
}

.profile-info h3 {
    margin: 0 0 5px 0;
    font-size: 1.2rem;
    font-weight: 600;
}

.profile-info p {
    margin: 0;
    font-size: 0.9rem;
    opacity: 0.9;
}

/* Sections générales */
section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* About Section */
.about {
    background-color: var(--background-light);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    align-items: start;
}

.about-text h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.about-text p {
    margin-bottom: 20px;
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.7;
}

.about-info {
    margin-top: 30px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 15px;
    color: var(--text-secondary);
}

.info-item i {
    color: var(--primary-color);
    width: 20px;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.stat-item {
    text-align: center;
    padding: 30px;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.stat-label {
    color: var(--text-secondary);
    font-weight: 500;
}

/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.skill-category {
    background: white;
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

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

.skill-category h3 {
    font-size: 1.5rem;
    margin-bottom: 25px;
    color: var(--text-primary);
    text-align: center;
}

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

.skill-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 20px;
    background: var(--background-light);
    border-radius: 8px;
    transition: var(--transition);
}

.skill-item:hover {
    background: var(--primary-color);
    color: white;
}

.skill-item i {
    font-size: 2rem;
    color: var(--primary-color);
    transition: var(--transition);
}

.skill-item:hover i {
    color: white;
}

.skill-item span {
    font-weight: 500;
    font-size: 14px;
}

/* Projects Section */
.projects {
    background-color: var(--background-light);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.project-card {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-large);
}

.project-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
    background-color: var(--background-light);
}

.project-card:hover .project-image img {
    transform: scale(1.1);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(37, 99, 235, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-links {
    display: flex;
    gap: 20px;
}

.project-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: white;
    color: var(--primary-color);
    border-radius: 50%;
    text-decoration: none;
    transition: var(--transition);
}

.project-link:hover {
    transform: scale(1.1);
}

.project-content {
    padding: 30px;
}

.project-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.project-title a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}

.project-title a:hover {
    color: var(--primary-color);
}

.project-description {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.project-details-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    transition: var(--transition);
    border-bottom: 1px solid transparent;
}

.project-details-btn:hover {
    color: var(--secondary-color);
    border-bottom-color: var(--secondary-color);
}

.tech-tag {
    background: var(--background-light);
    color: var(--primary-color);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.contact-info p {
    color: var(--text-secondary);
    margin-bottom: 30px;
    line-height: 1.7;
}

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

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 25px;
    padding: 20px;
    background: var(--background-light);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.contact-item:hover {
    background: white;
    box-shadow: var(--shadow-light);
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    width: 24px;
    text-align: center;
}

.contact-item h4 {
    margin-bottom: 5px;
    color: var(--text-primary);
}

.contact-item p {
    color: var(--text-secondary);
    margin: 0;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    text-decoration: none;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--secondary-color);
    transform: translateY(-3px);
}

/* Contact Form */
.contact-form {
    background: white;
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
}

.form-group {
    position: relative;
    margin-bottom: 30px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 16px;
    background: transparent;
    transition: var(--transition);
    resize: vertical;
}

.form-group textarea {
    min-height: 120px;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group label {
    position: absolute;
    top: 15px;
    left: 15px;
    color: var(--text-light);
    font-size: 16px;
    transition: var(--transition);
    pointer-events: none;
}

.form-group input:focus + label,
.form-group input:valid + label,
.form-group textarea:focus + label,
.form-group textarea:valid + label {
    top: -8px;
    left: 12px;
    font-size: 12px;
    color: var(--primary-color);
    background: white;
    padding: 0 5px;
}

/* Footer */
.footer {
    background: var(--text-primary);
    color: white;
    padding: 40px 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-links {
    display: flex;
    gap: 30px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: white;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-medium);
        padding: 20px 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-item {
        margin: 15px 0;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }

    .hero-avatar {
        width: 200px;
        height: 200px;
    }
    
    .media-controls {
        bottom: 5px;
        right: 5px;
    }
    
    .media-btn {
        width: 35px;
        height: 35px;
        font-size: 14px;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-stats {
        flex-direction: row;
        justify-content: space-around;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .section-title {
        font-size: 2rem;
    }

    .container {
        padding: 0 15px;
    }

    section {
        padding: 60px 0;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .btn {
        padding: 12px 20px;
        font-size: 14px;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

    .skills-grid {
        grid-template-columns: 1fr;
    }

    .skills-list {
        grid-template-columns: 1fr;
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Scroll animations - Version simplifiée */
.scroll-animate {
    opacity: 1;
    transform: translateY(0);
    transition: all 0.6s ease-out;
}

.scroll-animate.animate {
    opacity: 1;
    transform: translateY(0);
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--background-light);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}