/* Variables CSS */
:root {
    --color-bg-primary: #F8F8F8;
    --color-bg-secondary: #EFEFEF;
    --color-text-primary: #1A202C;
    --color-text-secondary: #2D3748;
    --color-accent: #00BFFF;
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Montserrat', sans-serif;
}

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

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    margin-bottom: 1rem;
}

h1 {
    font-size: 3rem;
    line-height: 1.2;
}

h2 {
    font-size: 2.5rem;
    color: var(--color-text-secondary);
}

h3 {
    font-size: 1.75rem;
}

p {
    margin-bottom: 1.5rem;
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover {
    color: #0096cc;
}

img {
    max-width: 100%;
    height: auto;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: var(--color-accent);
    color: white;
    border-radius: 4px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
}

.btn:hover {
    background-color: #0096cc;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* Header */
header {
    padding: 1.5rem 0;
    background-color: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
}

.logo a {
    color: var(--color-text-primary);
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 2rem;
}

nav ul li a {
    color: var(--color-text-secondary);
    font-weight: 600;
}

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

.language-selector {
    display: flex;
    align-items: center;
}

.language-selector a {
    margin-left: 1rem;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.language-selector a.active {
    color: var(--color-accent);
    font-weight: 600;
}

/* Hero Section */
.hero {
    padding: 10rem 0 6rem;
    background-color: var(--color-bg-primary);
    position: relative;
    overflow: hidden;
}

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

.hero-text {
    flex: 1;
    padding-right: 2rem;
}

.hero-image {
    flex: 1;
    text-align: right;
}

.hero-image img {
    max-width: 100%;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.hero h1 {
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: var(--color-text-secondary);
}

/* About Section */
.about {
    padding: 6rem 0;
    background-color: white;
}

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

.about-image {
    flex: 1;
    padding-right: 2rem;
}

.about-image img {
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.about-text {
    flex: 1;
}

.skills {
    margin-top: 2rem;
}

.skills h3 {
    margin-bottom: 1rem;
}

.skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.skill-item {
    background-color: var(--color-bg-secondary);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    font-size: 0.9rem;
    font-weight: 600;
}

/* Projects Section */
.projects {
    padding: 6rem 0;
    background-color: var(--color-bg-primary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.project-card {
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

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

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.5s ease;
}

.project-card:hover .project-image img {
    transform: scale(1.05);
}

.project-content {
    padding: 1.5rem;
}

.project-content h3 {
    margin-bottom: 0.5rem;
}

.project-content p {
    color: var(--color-text-secondary);
    margin-bottom: 1rem;
}

/* Contact Section */
.contact {
    padding: 6rem 0;
    background-color: white;
}

.contact-content {
    display: flex;
    justify-content: space-between;
    gap: 4rem;
}

.contact-info {
    flex: 1;
}

.contact-info h3 {
    margin-bottom: 1rem;
}

.contact-info p {
    margin-bottom: 0.5rem;
}

.contact-form {
    flex: 1;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: var(--font-body);
    font-size: 1rem;
}

.form-group textarea {
    min-height: 150px;
}

/* Footer */
footer {
    padding: 3rem 0;
    background-color: var(--color-text-primary);
    color: white;
}

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

.footer-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
}

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

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

.footer-links ul li a {
    color: white;
    opacity: 0.8;
}

.footer-links ul li a:hover {
    opacity: 1;
}

.copyright {
    margin-top: 2rem;
    text-align: center;
    font-size: 0.9rem;
    opacity: 0.6;
}

/* Responsive Design */
@media (max-width: 992px) {
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .hero-content,
    .about-content,
    .contact-content {
        flex-direction: column;
    }
    
    .hero-text,
    .about-image,
    .about-text,
    .contact-info,
    .contact-form {
        padding-right: 0;
        margin-bottom: 2rem;
    }
    
    .projects-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
}

@media (max-width: 768px) {
    header {
        padding: 1rem 0;
    }
    
    .header-container {
        flex-direction: column;
    }
    
    .logo {
        margin-bottom: 1rem;
    }
    
    nav ul {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    nav ul li {
        margin: 0 1rem 0.5rem;
    }
    
    .language-selector {
        margin-top: 1rem;
        justify-content: center;
    }
    
    .hero {
        padding: 8rem 0 4rem;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-logo {
        margin-bottom: 1rem;
    }
    
    .footer-links ul {
        justify-content: center;
    }
    
    .footer-links ul li {
        margin: 0 1rem;
    }
}

/* Project Detail Page Specific Styles */
.breadcrumb {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

.breadcrumb a {
    color: var(--color-text-secondary);
}

.project-hero {
    padding: 4rem 0;
    background-color: white;
}

.project-hero h1 {
    margin-bottom: 1rem;
}

.project-meta {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.project-meta span {
    background-color: var(--color-bg-secondary);
    padding: 0.5rem 1rem;
    border-radius: 4px;
}

.project-content {
    padding: 4rem 0;
}

.content-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.project-details h3 {
    color: var(--color-accent);
    margin-bottom: 1rem;
}

.project-specs {
    background-color: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.spec-item {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--color-bg-secondary);
}

.spec-item:last-child {
    border-bottom: none;
}

.spec-label {
    font-weight: 600;
    color: var(--color-text-secondary);
}

.project-gallery {
    margin: 4rem 0;
}

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

.gallery-item {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.gallery-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.project-navigation {
    padding: 4rem 0;
    background-color: white;
    border-top: 1px solid var(--color-bg-secondary);
}

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

.nav-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background-color: var(--color-bg-primary);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.nav-link:hover {
    background-color: var(--color-bg-secondary);
    transform: translateY(-2px);
}

@media (max-width: 992px) {
    .project-meta {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-links {
        flex-direction: column;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .project-hero {
        padding: 2rem 0;
    }
    
    .project-content {
        padding: 2rem 0;
    }
}