/* Variables globales */
:root {
    --primary-color: #3498db;
    --secondary-color: #2c3e50;
    --accent-color: #3498db;
    --light-color: #ecf0f1;
    --dark-color: #2c3e50;
    --text-color: #333;
    --bg-color: #f9f9f9;
    --shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
    --transition: all 0.3s ease;
    --gradient: linear-gradient(135deg, var(--primary-color), #1a6ba1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

h1, h2, h3, h4 {
    margin-bottom: 1rem;
    line-height: 1.3;
}

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

a:hover {
    color: var(--accent-color);
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: var(--border-radius);
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 1px;
    transition: var(--transition);
    cursor: pointer;
    box-shadow: var(--shadow);
}

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

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

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

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

/* Styles de la barre de navigation et du menu burger */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 30px;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow);
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    background-color: var(--secondary-color);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.burger-menu {
    display: flex;
    align-items: center;
}

.burger-icon {
    cursor: pointer;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    z-index: 2000;
}

.burger-icon span {
    width: 100%;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 3px;
    transition: var(--transition);
}

.burger-icon.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

.burger-icon.active span:nth-child(2) {
    opacity: 0;
}

.burger-icon.active span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

.menu-items {
    position: fixed;
    top: 0;
    right: -300px;
    width: 300px;
    height: 100vh;
    background-color: var(--secondary-color);
    display: flex;
    flex-direction: column;
    padding-top: 80px;
    transition: right 0.4s ease;
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
}

.menu-items.active {
    right: 0;
}

.menu-items a {
    color: white;
    padding: 15px 30px;
    font-size: 18px;
    transition: var(--transition);
    border-left: 4px solid transparent;
}

.menu-items a:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-left: 4px solid var(--primary-color);
    padding-left: 35px;
}

/* Project Hero Section */
.project-hero {
    min-height: 60vh;
    display: flex;
    align-items: center;
    background: linear-gradient(to right, var(--secondary-color), var(--primary-color));
    color: white;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.project-hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('/api/placeholder/1200/800') center/cover no-repeat;
    opacity: 0.2;
}

.project-hero .container {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.project-hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.project-subtitle {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    font-weight: 400;
    opacity: 0.9;
}

/* Project Content Section */
.project-content {
    padding: 80px 0;
}

.project-content h2 {
    font-size: 2rem;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
    border-bottom: 3px solid var(--primary-color);
    padding-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.project-content h2 i {
    color: var(--primary-color);
}

.project-content h3 {
    font-size: 1.5rem;
    color: var(--secondary-color);
    margin: 1.5rem 0 1rem;
}

.project-content p {
    margin-bottom: 1.5rem;
    text-align: justify;
}

.project-content ul {
    margin: 0 0 1.5rem 20px;
}

.project-content li {
    margin-bottom: 8px;
}

/* Project Overview */
.project-overview {
    margin-bottom: 50px;
}

.tech-stack {
    background-color: white;
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    margin-top: 30px;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 15px;
}

.tech-tag {
    background-color: rgba(52, 152, 219, 0.1);
    color: var(--primary-color);
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
}

.tech-tag:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-3px);
}

/* Project Details */
.project-details {
    margin-bottom: 50px;
}

.detail-section {
    margin-bottom: 40px;
}

.architecture-diagram {
    background-color: white;
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    margin: 20px 0;
    text-align: center;
}

.architecture-diagram img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius);
}

/* Service Cards */
.service-card {
    background-color: white;
    padding: 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    margin-bottom: 25px;
    transition: var(--transition);
    border-left: 4px solid var(--primary-color);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.service-card h4 {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--secondary-color);
}

.service-card h4 i {
    color: var(--primary-color);
}

/* Project Challenges */
.project-challenges {
    margin-bottom: 50px;
}

.challenge-item {
    background-color: white;
    padding: 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    margin-bottom: 25px;
    transition: var(--transition);
    border-left: 4px solid #e74c3c;
}

.challenge-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.challenge-item h3 {
    color: #e74c3c;
}

/* Project Results */
.project-results {
    background-color: white;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    margin-bottom: 50px;
    border-left: 4px solid #2ecc71;
}

.project-results h2 {
    color: #2ecc71;
    border-bottom-color: #2ecc71;
}

.project-results ul {
    list-style-type: none;
    margin-left: 0;
}

.project-results li {
    padding-left: 30px;
    position: relative;
    margin-bottom: 15px;
}

.project-results li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #2ecc71;
    font-weight: bold;
    font-size: 1.2rem;
}

/* Project Conclusion */
.project-conclusion {
    margin-bottom: 50px;
}

.code-preview {
    background-color: #2c3e50;
    padding: 20px;
    border-radius: var(--border-radius);
    margin-top: 30px;
    overflow-x: auto;
}

.code-preview h3 {
    color: white;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    padding-bottom: 10px;
    margin-bottom: 20px;
}

.code-preview pre {
    padding: 0;
    margin: 0;
}

.code-preview code {
    font-family: 'Consolas', 'Monaco', monospace;
    color: #ecf0f1;
    line-height: 1.5;
    font-size: 0.9rem;
    display: block;
}

/* Project Navigation */
.project-navigation {
    padding: 30px 0 50px;
    background-color: white;
    border-top: 1px solid #eee;
}

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

.nav-links a {
    padding: 12px 20px;
    border-radius: var(--border-radius);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
}

.prev-project {
    background-color: rgba(52, 152, 219, 0.1);
    color: var(--primary-color);
}

.all-projects {
    background-color: rgba(44, 62, 80, 0.1);
    color: var(--secondary-color);
}

.next-project {
    background-color: rgba(52, 152, 219, 0.1);
    color: var(--primary-color);
}

.nav-links a:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

/* Footer */
.footer {
    background-color: var(--secondary-color);
    color: white;
    padding: 50px 0 20px;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
}

.footer-logo {
    font-size: 36px;
    font-weight: 700;
    color: white;
}

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

.footer-links a {
    color: white;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-links a:hover {
    color: var(--primary-color);
}

.footer-copyright {
    margin-top: 30px;
    text-align: center;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

/* Media Queries pour la responsivité */
@media (max-width: 992px) {
    html {
        font-size: 15px;
    }
    
    .project-hero h1 {
        font-size: 2.5rem;
    }
    
    .project-subtitle {
        font-size: 1.3rem;
    }
    
    .nav-links {
        flex-direction: column;
        gap: 15px;
    }
    
    .nav-links a {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    .project-hero {
        min-height: 50vh;
    }
    
    .project-hero h1 {
        font-size: 2.2rem;
    }
    
    .project-subtitle {
        font-size: 1.1rem;
    }
    
    .project-content {
        padding: 60px 0;
    }
    
    .service-card,
    .challenge-item {
        padding: 20px;
    }
}

@media (max-width: 576px) {
    .navbar {
        padding: 15px;
    }
    
    .project-hero h1 {
        font-size: 1.8rem;
    }
    
    .project-subtitle {
        font-size: 1rem;
    }
    
    .project-content h2 {
        font-size: 1.6rem;
    }
    
    .service-card,
    .challenge-item,
    .project-results {
        padding: 15px;
    }
    
    .tech-tags {
        gap: 8px;
    }
    
    .tech-tag {
        padding: 6px 12px;
        font-size: 0.8rem;
    }
}