:root {
            --primary-color: #2c3e50;
            --secondary-color: #3498db;
            --accent-color: #e74c3c;
            --light-color: #ecf0f1;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            overflow-x: hidden;
        }
        
        .navbar {
            background-color: var(--primary-color) !important;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }
        
        .hero-section {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: white;
            padding: 100px 0;
            position: relative;
            overflow: hidden;
        }
        
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('https://images.unsplash.com/photo-1522202176988-66273c2fd55f?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80') no-repeat center center/cover;
            opacity: 0.15;
            z-index: 0;
        }
        
        .hero-content {
            position: relative;
            z-index: 1;
        }
        
        .course-card {
            transition: all 0.3s ease;
            border: none;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            margin-bottom: 20px;
        }
        
        .course-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
        }
        
        .course-img {
            height: 180px;
            object-fit: cover;
        }
        
        .btn-primary {
            background-color: var(--secondary-color);
            border-color: var(--secondary-color);
        }
        
        .btn-primary:hover {
            background-color: #2980b9;
            border-color: #2980b9;
        }
        
        .btn-enroll {
            background-color: var(--accent-color);
            border-color: var(--accent-color);
            font-weight: bold;
        }
        
        .btn-enroll:hover {
            background-color: #c0392b;
            border-color: #c0392b;
        }
        
        .stats-section {
            background-color: var(--light-color);
            padding: 60px 0;
        }
        
        .stat-item {
            text-align: center;
            padding: 20px;
        }
        
        .stat-number {
            font-size: 3rem;
            font-weight: bold;
            color: var(--secondary-color);
        }
        
        .testimonial-card {
            border-left: 4px solid var(--secondary-color);
        }
        
        footer {
            background-color: var(--primary-color);
            color: white;
        }
        
        .social-icons a {
            color: white;
            font-size: 1.5rem;
            margin: 0 10px;
            transition: all 0.3s ease;
        }
        
        .social-icons a:hover {
            color: var(--secondary-color);
            transform: translateY(-5px);
        }
        
        /* Animation classes */
        .animate-on-scroll {
            opacity: 0;
        }
        
        .fade-in {
            animation: fadeIn 1s forwards;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }


        
        .stats-section {
        position: relative;
        overflow: hidden;
    }
    
    .stat-item {
        position: relative;
        z-index: 1;
        padding: 30px 15px;
        background: white;
        border-radius: 10px;
        box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        transition: all 0.4s ease;
        margin: 10px;
    }
    
    .stat-item:hover {
        transform: translateY(-5px);
        box-shadow: 0 15px 30px rgba(0,0,0,0.1);
    }
    
    .stat-item::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 5px;
        background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
        opacity: 0;
        transition: opacity 0.3s ease;
    }
    
    .stat-item:hover::before {
        opacity: 1;
    }
    
    .stat-number {
        font-size: 3rem;
        font-weight: bold;
        color: var(--secondary-color);
        line-height: 1;
        margin-bottom: 10px;
        display: inline-block;
    }
    
    /* Animation de pulse au survol */
    @keyframes pulse {
        0% { transform: scale(1); }
        50% { transform: scale(1.05); }
        100% { transform: scale(1); }
    }
    
    .stat-item:hover .stat-number {
        animation: pulse 1s infinite;
        color: var(--accent-color);
    }
    
    /* Effet de vague en arrière-plan */
    .wave-bg {
        position: absolute;
        bottom: 0;
        left: 0;
        width: 100%;
        height: 100px;
        background: url('data:image/svg+xml;utf8,<svg viewBox="0 0 1200 120" xmlns="http://www.w3.org/2000/svg" preserveAspectRatio="none"><path d="M0,0V46.29c47.79,22.2,103.59,32.17,158,28,70.36-5.37,136.33-33.31,206.8-37.5C438.64,32.43,512.34,53.67,583,72.05c69.27,18,138.3,24.88,209.4,13.08,36.15-6,69.85-17.84,104.45-29.34C989.49,25,1113-14.29,1200,52.47V0Z" fill="%232c3e50" opacity=".05"/><path d="M0,0V15.81C13,36.92,27.64,56.86,47.69,72.05,99.41,111.27,165,111,224.58,91.58c31.15-10.15,60.09-26.07,89.67-39.8,40.92-19,84.73-46,130.83-49.67,36.26-2.85,70.9,9.42,98.6,31.56,31.77,25.39,62.32,62,103.63,73,40.44,10.79,81.35-6.69,119.13-24.28s75.16-39,116.92-43.05c59.73-5.85,113.28,22.88,168.9,38.84,30.2,8.66,59,6.17,87.09-7.5,22.43-10.89,48-26.93,60.65-49.24V0Z" fill="%232c3e50" opacity=".1"/><path d="M0,0V5.63C149.93,59,314.09,71.32,475.83,42.57c43-7.64,84.23-20.12,127.61-26.46,59-8.63,112.48,12.24,165.56,35.4C827.93,77.22,886,95.24,951.2,90c86.53-7,172.46-45.71,233.88-58.6c12.43-1.18,22.87-5.43,32-10C1171.98,33.55,1192.69,12.39,1200,0Z" fill="%232c3e50" opacity=".15"/></svg>');
        background-size: cover;
        opacity: 0.3;
    }
/*viens d'etre ajouté*/
.stats-section .row {
        display: flex;
        flex-wrap: nowrap;
        overflow-x: auto;
        scrollbar-width: none; /* Pour Firefox */
        -ms-overflow-style: none; /* Pour IE */
    }
    
    .stats-section .row::-webkit-scrollbar {
        display: none; /* Pour Chrome/Safari */
    }
    
    .stat-item {
        min-width: calc(25% - 20px);
        flex: 0 0 auto;
        margin: 0 10px;
        padding: 20px 10px;
    }
    
    /* Adaptation mobile */
    @media (max-width: 768px) {
        .stat-item {
            min-width: calc(50% - 20px);
        }
    }
    
    @media (max-width: 576px) {
        .stat-item {
            min-width: calc(45% - 20px);
        }
        
        .stat-number {
            font-size: 2rem !important;
        }
    }
    
    /*logo*/
     /* Animation subtile au survol */
    .navbar-brand svg {
        transition: transform 0.3s ease;
    }
    .navbar-brand:hover svg {
        transform: rotate(15deg);
    }
    
    /* Version alternative pour navbar claire */
    .navbar-light .navbar-brand svg path:first-child {
        fill: #2c3e50;
    }
    
    /* Styles pour la section CTA améliorée */
    .cta-section {
        min-height: 400px;
        display: flex;
        align-items: center;
    }
    
    .bg-overlay {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        overflow: hidden;
    }
    
    .bg-image {
        width: 100%;
        height: 100%;
        object-fit: cover;
        object-position: center;
        filter: brightness(0.7);
    }
    
    .color-overlay {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: linear-gradient(45deg, rgba(41, 128, 185, 0.8), rgba(142, 68, 173, 0.8));
    }
    
    .z-index-1 {
        z-index: 1;
    }
    
    /* Effet sur le bouton */
    .btn-hover-effect {
        transition: all 0.3s ease;
        position: relative;
        overflow: hidden;
        border: none;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    }
    
    .btn-hover-effect:hover {
        transform: translateY(-3px);
        box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    }
    
    .btn-ripple-effect {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        border: 2px solid rgba(255, 255, 255, 0.4);
        border-radius: 50rem;
        animation: ripple 2s infinite;
        pointer-events: none;
    }
    
    @keyframes ripple {
        0% {
            transform: scale(1);
            opacity: 1;
        }
        100% {
            transform: scale(1.5);
            opacity: 0;
        }
    }
    
    /* Responsive */
    @media (max-width: 768px) {
        .cta-section {
            min-height: 300px;
            text-align: center;
        }
        
        .cta-section h2 {
            font-size: 2rem !important;
        }
        
        .cta-section .lead {
            font-size: 1.25rem !important;
        }
    }