/* Variables CSS */
:root {
    --primary: #1a365d;
    --secondary: #2d3748;
    --accent: #e53e3e;
    --light: #f7fafc;
    --dark: #2d3748;
    --gray: #718096;
    --light-gray: #e2e8f0;
    --dark-bg: #1a202c;
    --dark-text: #e2e8f0;
}

/* Styles de base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background-color: var(--light);
    transition: background-color 0.3s, color 0.3s;
}

body.dark-mode {
    background-color: var(--dark-bg);
    color: var(--dark-text);
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Header */
header {
    background-color: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: background-color 0.3s;
}

body.dark-mode header {
    background-color: var(--dark-bg);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo h1 {
    color: var(--primary);
    font-size: 1.8rem;
    cursor: pointer;
    transition: color 0.3s;
}

body.dark-mode .logo h1 {
    color: var(--dark-text);
}

.nav-links {
    display: flex;
    list-style: none;
    align-items: center;
}

.nav-links li {
    margin-left: 30px;
}

.nav-links a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    transition: color 0.3s;
}

body.dark-mode .nav-links a {
    color: var(--dark-text);
}

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

.btn-login {
    background-color: var(--primary);
    color: white;
    border: none;
    padding: 8px 15px;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

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

/* Bouton thème */
.theme-toggle {
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    color: var(--dark);
    transition: color 0.3s;
}

body.dark-mode .theme-toggle {
    color: var(--dark-text);
}

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

/* Menu hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    z-index: 1001;
    padding: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--dark);
    margin: 3px 0;
    transition: 0.3s;
    display: block;
}

body.dark-mode .hamburger span {
    background: var(--dark-text);
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(26, 54, 93, 0.8), rgba(26, 54, 93, 0.9)), url('https://images.unsplash.com/photo-1581094794329-c8112a89af12?ixlib=rb-4.0.3&auto=format&fit=crop&w=1950&q=80');
    background-size: cover;
    background-position: center;
    height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    margin-top: 70px;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
}

.hero-content p {
    font-size: 1.5rem;
    margin-bottom: 30px;
}

.cta-button {
    display: inline-block;
    background-color: var(--accent);
    color: white;
    padding: 12px 30px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s;
}

.cta-button:hover {
    background-color: #c53030;
}

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

h2 {
    text-align: center;
    margin-bottom: 50px;
    font-size: 2.5rem;
    color: var(--primary);
}

body.dark-mode h2 {
    color: var(--dark-text);
}

h3 {
    margin-bottom: 20px;
    color: var(--secondary);
}

body.dark-mode h3 {
    color: var(--dark-text);
}

/* Présentation */
.presentation {
    background-color: white;
}

body.dark-mode .presentation {
    background-color: var(--dark-bg);
}

.presentation p {
    margin-bottom: 15px;
    font-size: 1.1rem;
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Activités */
.activites {
    background-color: var(--light-gray);
}

body.dark-mode .activites {
    background-color: #2d3748;
}

.secteurs-grid, .objectifs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.secteur-card, .objectif-card {
    background-color: white;
    padding: 30px 20px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s, background-color 0.3s;
}

body.dark-mode .secteur-card,
body.dark-mode .objectif-card {
    background-color: #2d3748;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.secteur-card:hover, .objectif-card:hover {
    transform: translateY(-10px);
}

.secteur-card i {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 15px;
}

body.dark-mode .secteur-card i {
    color: var(--dark-text);
}

.objectif-card h4 {
    color: var(--primary);
    margin-bottom: 10px;
}

body.dark-mode .objectif-card h4 {
    color: var(--dark-text);
}

.btn-details {
    background-color: var(--primary);
    color: white;
    border: none;
    padding: 8px 15px;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.3s;
}

.btn-details:hover {
    background-color: var(--secondary);
    transform: scale(1.05);
}

/* CARROUSEL SIMPLIFIÉ */
.carousel-container {
    position: relative;
    margin: 40px 0;
    overflow: hidden;
    padding: 20px 0;
}

.carousel-wrapper {
    overflow: hidden;
    width: 100%;
}

.carousel-track {
    display: flex;
    transition: transform 0.5s ease;
    width: max-content;
}

.carousel-item {
    width: 300px;
    height: 400px;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    padding: 30px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
    flex-shrink: 0;
    cursor: pointer;
    margin-right: 20px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

body.dark-mode .carousel-item {
    background-color: #2d3748;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.carousel-item:hover {
    transform: scale(1.05);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.carousel-item h3 {
    color: var(--primary);
    margin-bottom: 15px;
}

body.dark-mode .carousel-item h3 {
    color: var(--dark-text);
}

.carousel-item p {
    color: var(--gray);
    margin-bottom: 20px;
}

body.dark-mode .carousel-item p {
    color: var(--light-gray);
}

.carousel-item i {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 20px;
}

body.dark-mode .carousel-item i {
    color: var(--dark-text);
}

.carousel-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 20px;
    gap: 20px;
}

.carousel-btn {
    background-color: var(--primary);
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    transition: background-color 0.3s;
    min-width: 44px;
    min-height: 44px;
}

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

.carousel-counter {
    font-weight: bold;
    color: var(--primary);
    min-width: 50px;
    text-align: center;
}

body.dark-mode .carousel-counter {
    color: var(--dark-text);
}

/* Section Produits */
.produits {
    background-color: white;
}

body.dark-mode .produits {
    background-color: var(--dark-bg);
}

/* Section Partenaires */
.marques {
    background-color: var(--light-gray);
}

body.dark-mode .marques {
    background-color: #2d3748;
}

/* Menu latéral des produits */
.product-sidebar {
    position: fixed;
    top: 0;
    right: -400px;
    width: 400px;
    height: 100%;
    background-color: white;
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
    transition: right 0.3s ease;
    z-index: 1001;
    overflow-y: auto;
}

body.dark-mode .product-sidebar {
    background-color: var(--dark-bg);
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.3);
}

.product-sidebar.active {
    right: 0;
}

.sidebar-content {
    padding: 30px;
    position: relative;
}

.close-sidebar {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--dark);
    min-width: 44px;
    min-height: 44px;
}

body.dark-mode .close-sidebar {
    color: var(--dark-text);
}

.sidebar-content h3 {
    color: var(--primary);
    margin-bottom: 20px;
}

body.dark-mode .sidebar-content h3 {
    color: var(--dark-text);
}

.sidebar-content p {
    margin-bottom: 15px;
    color: var(--gray);
}

body.dark-mode .sidebar-content p {
    color: var(--light-gray);
}

.sidebar-content ul {
    list-style-type: none;
    margin-bottom: 20px;
}

.sidebar-content ul li {
    padding: 8px 0;
    border-bottom: 1px solid var(--light-gray);
}

body.dark-mode .sidebar-content ul li {
    border-bottom: 1px solid #2d3748;
}

/* Footer */
footer {
    background-color: var(--primary);
    color: white;
    padding: 50px 0 20px;
    transition: background-color 0.3s;
}

body.dark-mode footer {
    background-color: var(--dark-bg);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.footer-section h3, .footer-section h4 {
    margin-bottom: 20px;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: var(--light-gray);
    text-decoration: none;
}

.footer-section ul li a:hover {
    color: white;
}

.footer-social {
    margin-top: 15px;
}

.footer-social a {
    color: var(--light-gray);
    margin-right: 15px;
    font-size: 1.2rem;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-links a {
    color: var(--light-gray);
    text-decoration: none;
    margin: 0 10px;
}

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

/* Responsive */
@media (max-width: 1024px) {
    .nav-links li {
        margin-left: 20px;
    }
    
    .carousel-item {
        width: 280px;
        height: 380px;
        margin-right: 15px;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-links {
        position: fixed;
        top: 0;
        left: -100%;
        width: 80%;
        height: 100vh;
        background-color: white;
        flex-direction: column;
        align-items: flex-start;
        justify-content: flex-start;
        padding: 80px 30px 30px;
        transition: left 0.3s ease;
        z-index: 999;
        box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
    }
    
    body.dark-mode .nav-links {
        background-color: var(--dark-bg);
        box-shadow: 2px 0 10px rgba(0, 0, 0, 0.3);
    }
    
    .nav-links.active {
        left: 0;
    }
    
    .nav-links li {
        margin: 15px 0;
        width: 100%;
    }
    
    .nav-links a, .btn-login, .theme-toggle {
        display: block;
        width: 100%;
        padding: 12px 0;
    }
    
    .btn-login {
        text-align: center;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-content p {
        font-size: 1.2rem;
    }
    
    .carousel-item {
        width: 260px;
        height: 360px;
        margin-right: 15px;
        padding: 20px;
    }
    
    .product-sidebar {
        width: 100%;
        right: -100%;
    }
    
    .secteurs-grid, .objectifs-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .carousel-item {
        width: 240px;
        height: 340px;
        margin-right: 10px;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .carousel-controls {
        gap: 10px;
    }
    
    .carousel-btn {
        padding: 8px 12px;
        font-size: 1rem;
    }
}