/* Variables CSS globales */
:root {
    --primary-color: #1e3a8a;
    --secondary-color: #3b82f6;
    --accent-color: #f59e0b;
    --dark-color: #1f2937;
    --light-color: #f3f4f6;
    --text-color: #374151;
    --heading-font: 'Montserrat', sans-serif;
    --body-font: 'Raleway', sans-serif;
    --transition: all 0.3s ease;
    --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --border-radius: 8px;
    --container-padding: 0 2rem;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--body-font);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
    background-color: #fff;
}

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

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

ul {
    list-style: none;
}

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

/* Conteneur */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--container-padding);
}

/* En-têtes de section */
.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    position: relative;
}

.section-header h2 span {
    color: var(--primary-color);
}

.section-header p {
    color: #6b7280;
    max-width: 700px;
    margin: 0 auto;
    font-size: 1.1rem;
}

/* Boutons */
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
}

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

.btn-primary:hover {
    background-color: #152a67;
    transform: translateY(-3px);
}

.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;
    transform: translateY(-3px);
}

.btn-text {
    color: var(--primary-color);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
}

.btn-text i {
    margin-left: 8px;
    transition: var(--transition);
}

.btn-text:hover i {
    transform: translateX(5px);
}

/* Navigation */
.navbar {
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    padding: 1.2rem 0;
    z-index: 1000;
    transition: var(--transition);
    background-color: transparent;
}

.navbar.scrolled {
    background-color: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 0.8rem 0;
}

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

.logo h1 {
    font-size: 1.8rem;
    margin-bottom: 0;
}

.logo h1 a {
    color: inherit;
    text-decoration: none;
}

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

.nav-links ul {
    display: flex;
}

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

.nav-links ul li a {
    font-weight: 600;
    position: relative;
}

.nav-links ul li a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

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

.fa-bars, .fa-times {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Section Hero */
.hero {
    padding: 8rem 0 4rem;
    background-color: #f8fafc;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background-color: rgba(30, 58, 138, 0.05);
    z-index: -1;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -100px;
    left: -100px;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background-color: rgba(59, 130, 246, 0.05);
    z-index: -1;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

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

.hero-content span {
    color: var(--primary-color);
}

.hero-content h2 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: #4b5563;
}

.hero-content p {
    font-size: 1.1rem;
    color: #6b7280;
    margin-bottom: 2rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
}

.hero-image {
    position: relative;
}

.hero-image img {
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.hero-image::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border: 3px solid var(--primary-color);
    border-radius: var(--border-radius);
    top: 20px;
    right: -20px;
    z-index: -1;
}

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.service-card {
    padding: 2rem;
    border-radius: var(--border-radius);
    background-color: white;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.service-card::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 0;
    bottom: 0;
    left: 0;
    background-color: var(--primary-color);
    transition: var(--transition);
    z-index: -1;
    opacity: 0.05;
}

.service-card:hover {
    transform: translateY(-10px);
}

.service-card:hover::before {
    height: 100%;
}

.service-card .icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.service-card p {
    color: #6b7280;
}

/* Section À propos */
.about {
    padding: 6rem 0;
    background-color: #f8fafc;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text p {
    margin-bottom: 1.5rem;
    color: #4b5563;
}

.stats {
    display: flex;
    justify-content: space-between;
    margin-top: 2rem;
}

.stat-item {
    text-align: center;
}

.stat-item h3 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-item p {
    font-weight: 600;
    color: #6b7280;
    margin-bottom: 0;
}

.about-image {
    position: relative;
}

.about-image img {
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.about-image::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border: 3px solid var(--primary-color);
    border-radius: var(--border-radius);
    bottom: 20px;
    left: -20px;
    z-index: -1;
}

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

.projects-slider {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
}

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

.project-card:hover {
    transform: translateY(-10px);
}

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

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

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

.project-info {
    padding: 1.5rem;
    background-color: white;
}

.project-info h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.project-info p {
    color: #6b7280;
    margin-bottom: 1rem;
}

.slider-controls {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.slider-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background-color: var(--primary-color);
    color: white;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-btn:hover {
    background-color: #152a67;
}

/* Section Témoignages */
.testimonials {
    padding: 6rem 0;
    background-color: #f8fafc;
}

.testimonials-slider {
    display: flex;
    flex-direction: row;
    gap: 2rem;
    margin-bottom: 2rem;
    overflow-x: auto;
    padding-bottom: 1rem;
    scroll-snap-type: x mandatory;
}

.testimonial-card {
    background-color: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    flex: 0 0 auto;
    width: 350px;
    scroll-snap-align: start;
}

.testimonial-card:hover {
    transform: translateY(-10px);
}

.testimonials-slider::-webkit-scrollbar {
    height: 8px;
}

.testimonials-slider::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

.testimonials-slider::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 10px;
}

.testimonials-slider::-webkit-scrollbar-thumb:hover {
    background: #152a67;
}

.quote-icon {
    font-size: 2rem;
    color: var(--primary-color);
    opacity: 0.3;
    margin-bottom: 1rem;
}

.testimonial-text {
    margin-bottom: 1.5rem;
    font-style: italic;
    color: #4b5563;
}

.testimonial-author {
    display: flex;
    align-items: center;
}

.testimonial-author img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    margin-right: 1rem;
}

.author-info h4 {
    font-size: 1.1rem;
    margin-bottom: 0.2rem;
}

.author-info p {
    color: #6b7280;
    font-size: 0.9rem;
}

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

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

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

.blog-card:hover {
    transform: translateY(-10px);
}

.blog-image {
    height: 220px;
    overflow: hidden;
}

.blog-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.blog-content {
    padding: 1.5rem;
}

.blog-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: #6b7280;
}

.blog-meta span i {
    margin-right: 5px;
    color: var(--primary-color);
}

.blog-content h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    line-height: 1.4;
}

.blog-content p {
    color: #6b7280;
    margin-bottom: 1.5rem;
}

.blog-cta {
    text-align: center;
}

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

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

.info-item {
    display: flex;
    margin-bottom: 2rem;
}

.info-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-right: 1rem;
    min-width: 40px;
    display: flex;
    align-items: center;
}

.info-item h3 {
    font-size: 1.2rem;
    margin-bottom: 0.3rem;
}

.info-item p {
    color: #6b7280;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-links a:hover {
    background-color: #152a67;
    transform: translateY(-3px);
}

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

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 1px solid #d1d5db;
    border-radius: var(--border-radius);
    font-family: var(--body-font);
    font-size: 1rem;
    transition: var(--transition);
}

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

.contact-form textarea {
    height: 150px;
    resize: none;
}

/* Footer */
.footer {
    background-color: var(--dark-color);
    color: white;
    padding: 4rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-logo h2 {
    font-size: 2rem;
    color: white;
}

.footer-logo span {
    color: var(--secondary-color);
}

.footer-logo p {
    color: #9ca3af;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-column h3 {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    color: white;
}

.footer-column ul li {
    margin-bottom: 0.8rem;
}

.footer-column ul li a {
    color: #9ca3af;
    transition: var(--transition);
}

.footer-column ul li a:hover {
    color: var(--secondary-color);
    padding-left: 5px;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 1.5rem;
    text-align: center;
}

.footer-bottom p {
    color: #9ca3af;
    font-size: 0.9rem;
}

/* Médias queries pour la responsivité */
@media (max-width: 1024px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-content h2 {
        font-size: 1.5rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 1rem 0;
    }
    
    .fa-bars {
        display: block;
    }
    
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100vh;
        background-color: white;
        padding-top: 4rem;
        transition: var(--transition);
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
        z-index: 1001;
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .nav-links ul {
        flex-direction: column;
    }
    
    .nav-links ul li {
        margin: 1rem 0;
        margin-left: 0;
        padding: 0 2rem;
    }
    
    .fa-times {
        display: block;
        position: absolute;
        top: 1.5rem;
        right: 2rem;
    }
    
    .hero .container,
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .hero {
        padding: 6rem 0 3rem;
    }
    
    .hero-image::before,
    .about-image::before {
        display: none;
    }
    
    .projects-slider,
    .testimonials-slider {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-links {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 576px) {
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .stats {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        gap: 1rem;
    }
    
    .btn {
        width: 100%;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
}