/* Variables CSS pour le thème */
:root {
    /* Couleurs - Mode clair */
    --primary-color: #0066cc;
    --primary-dark: #0052a3;
    --secondary-color: #333333;
    --text-color: #333333;
    --text-light: #666666;
    --bg-color: #ffffff;
    --bg-light: #f8f9fa;
    --bg-section: #f5f6f7;
    --border-color: #e1e4e8;
    --card-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    --card-hover-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
    
    /* Espacements */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* Typographie */
    --font-primary: 'Montserrat', sans-serif;
    --font-secondary: 'Roboto', sans-serif;
    
    /* Transitions */
    --transition: all 0.3s ease;
}

/* Mode sombre */
body.dark-mode {
    --text-color: #e4e6eb;
    --text-light: #b0b3b8;
    --bg-color: #18191a;
    --bg-light: #242526;
    --bg-section: #1c1e21;
    --border-color: #3a3b3c;
    --card-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    --card-hover-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-secondary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    transition: var(--transition);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

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

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: var(--bg-color);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: var(--transition);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
}

.nav-brand .nav-text {
    font-family: var(--font-primary);
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    margin: 0;
}

.nav-link {
    font-family: var(--font-primary);
    font-weight: 500;
    color: var(--text-color);
    padding: var(--spacing-xs) 0;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    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;
}

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

.theme-toggle {
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 1.2rem;
    cursor: pointer;
    padding: var(--spacing-xs);
    transition: var(--transition);
}

.theme-toggle:hover {
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--spacing-xl) 0;
    margin-top: 60px;
    background-color: var(--bg-light);
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-color);
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-lg);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.btn {
    display: inline-block;
    padding: 14px 32px;
    font-family: var(--font-primary);
    font-weight: 500;
    text-align: center;
    border-radius: 5px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 102, 204, 0.3);
}

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

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

.social-links {
    display: flex;
    gap: var(--spacing-md);
}

.social-links a {
    font-size: 1.5rem;
    color: var(--text-light);
}

.social-links a:hover {
    color: var(--primary-color);
    transform: translateY(-3px);
}

/* Hero Image */
.hero-image {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    min-height: 400px;
}

.hero-logo-large {
    width: 100%;
    height: 100%;
    max-width: 500px;
    max-height: 500px;
    object-fit: contain;
    opacity: 0.3;
    position: absolute;
}

/* Tech Animation */
.tech-animation {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.tech-word {
    position: absolute;
    font-family: var(--font-primary);
    font-weight: 700;
    color: var(--primary-color);
    opacity: 0;
    animation: float 10s infinite;
    font-size: 1.2rem;
}

.tech-word:nth-child(1) { animation-delay: 0s; left: 10%; top: 20%; }
.tech-word:nth-child(2) { animation-delay: 1s; left: 70%; top: 10%; }
.tech-word:nth-child(3) { animation-delay: 2s; left: 20%; top: 60%; }
.tech-word:nth-child(4) { animation-delay: 3s; left: 80%; top: 40%; }
.tech-word:nth-child(5) { animation-delay: 4s; left: 50%; top: 30%; }
.tech-word:nth-child(6) { animation-delay: 5s; left: 30%; top: 80%; }
.tech-word:nth-child(7) { animation-delay: 6s; left: 60%; top: 70%; }
.tech-word:nth-child(8) { animation-delay: 7s; left: 15%; top: 40%; }
.tech-word:nth-child(9) { animation-delay: 8s; left: 85%; top: 20%; }
.tech-word:nth-child(10) { animation-delay: 9s; left: 40%; top: 50%; }

@keyframes float {
    0%, 100% {
        opacity: 0;
        transform: translateY(20px) scale(0.8);
    }
    10%, 90% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
    50% {
        transform: translateY(-10px) scale(1.1);
    }
}

/* Section commune */
section {
    padding: var(--spacing-xl) 0;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
}

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

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about-text p {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.skills {
    margin-top: var(--spacing-xl);
}

.skills h3 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.skill-category {
    background-color: var(--bg-color);
    padding: var(--spacing-md);
    border-radius: 10px;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
}

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

.skill-category h4 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

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

.skill-category li {
    padding: var(--spacing-xs) 0;
    color: var(--text-light);
}

/* Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

.project-card {
    background-color: var(--bg-light);
    padding: var(--spacing-lg);
    border-radius: 10px;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
    text-align: center;
}

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

.project-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.project-card h3 {
    margin-bottom: var(--spacing-sm);
}

.project-card p {
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    justify-content: center;
}

.tech-tag {
    background-color: var(--primary-color);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

/* Services Section */
.services {
    background-color: var(--bg-section);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.service-card {
    background-color: var(--bg-color);
    padding: var(--spacing-lg);
    border-radius: 10px;
    box-shadow: var(--card-shadow);
    text-align: center;
    transition: var(--transition);
}

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

.service-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.service-card h3 {
    margin-bottom: var(--spacing-sm);
}

.service-card p {
    color: var(--text-light);
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    max-width: 900px;
    margin: 0 auto;
}

.contact-info h3 {
    margin-bottom: var(--spacing-md);
}

.contact-info p {
    color: var(--text-light);
    margin-bottom: var(--spacing-lg);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

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

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    background-color: var(--bg-light);
    color: var(--text-color);
    font-family: var(--font-secondary);
    transition: var(--transition);
}

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

/* Footer */
.footer {
    background-color: var(--bg-section);
    padding: var(--spacing-md) 0;
    text-align: center;
    color: var(--text-light);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 60px;
        flex-direction: column;
        background-color: var(--bg-color);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.1);
        padding: var(--spacing-md) 0;
    }

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

    .nav-toggle {
        display: flex;
    }

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

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

    .hero-image {
        min-height: 250px;
    }

    .hero-logo-large {
        max-width: 300px;
        max-height: 300px;
    }

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

    .tech-animation {
        height: 200px;
    }

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

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