:root {
            --tech-blue: #2575fc;
            --power-red: #e63946;
            --titan-gold: #ffd700;
            --carbon: #1a1a2e;
            --ivory: #fffff5;
            --transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
            --glow: 0 0 15px rgba(37, 117, 252, 0.5);
        }

        /* Base */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Rajdhani', sans-serif;
            background-color: var(--ivory);
            color: var(--carbon);
            overflow-x: hidden;
        }

        /* Bannière Héroïque */
        .hero-banner {
            height: 100vh;
            min-height: 800px;
            position: relative;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            color: white;
            margin-top: -80px;
            padding-top: 80px;
            background: linear-gradient(135deg, #1a1a2e 0%, #2575fc 100%);
        }

        .hero-image {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 0;
            object-fit: cover;
            opacity: 0.3;
        }

        .hero-content {
            max-width: 900px;
            padding: 0 20px;
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.8s ease 0.3s, transform 0.8s ease 0.3s;
            position: relative;
            z-index: 2;
        }

        .hero-banner.loaded .hero-content {
            opacity: 1;
            transform: translateY(0);
        }

        .hero-title {
            font-family: 'Orbitron', sans-serif;
            font-size: clamp(2.5rem, 5vw, 4.5rem);
            margin-bottom: 20px;
            text-shadow: 0 2px 10px rgba(0,0,0,0.5);
            line-height: 1.2;
            position: relative;
        }

        .hero-title span {
            color: var(--titan-gold);
            position: relative;
            display: inline-block;
        }

        .hero-title span::after {
            content: "";
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--power-red);
            transform: scaleX(0);
            transform-origin: right;
            transition: transform 0.8s ease 1s;
        }

        .hero-banner.loaded .hero-title span::after {
            transform: scaleX(1);
            transform-origin: left;
        }

        .hero-subtitle {
            font-size: clamp(1.1rem, 2vw, 1.4rem);
            margin-bottom: 30px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
            text-shadow: 0 2px 5px rgba(0,0,0,0.3);
        }

        .cta-buttons {
            display: flex;
            gap: 20px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .cta-button {
            padding: 15px 30px;
            border-radius: 50px;
            font-weight: 700;
            text-decoration: none;
            transition: var(--transition);
            font-size: 1.1rem;
            letter-spacing: 1px;
            position: relative;
            overflow: hidden;
        }

        .cta-primary {
            background: linear-gradient(135deg, var(--tech-blue), var(--power-red));
            color: white;
            box-shadow: var(--glow);
        }

        .cta-primary:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(37, 117, 252, 0.6);
            animation: pulse 1.5s infinite;
        }

        .cta-secondary {
            background: transparent;
            color: white;
            border: 2px solid white;
        }

        .cta-secondary:hover {
            background: white;
            color: var(--carbon);
        }

        @keyframes pulse {
            0% { box-shadow: 0 0 0 0 rgba(37, 117, 252, 0.7); }
            70% { box-shadow: 0 0 0 15px rgba(37, 117, 252, 0); }
            100% { box-shadow: 0 0 0 0 rgba(37, 117, 252, 0); }
        }

        /* Section Présentation */
        .presentation-section {
            padding: 100px 5%;
            position: relative;
            background: white;
        }

        .section-container {
            max-width: 1200px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }

        .section-title {
            font-family: 'Orbitron', sans-serif;
            font-size: 2.5rem;
            text-align: center;
            margin-bottom: 60px;
            position: relative;
            color: var(--carbon);
        }

        .section-title::after {
            content: "";
            position: absolute;
            bottom: -15px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: linear-gradient(90deg, var(--tech-blue), var(--power-red));
        }

        .presentation-content {
            display: flex;
            align-items: center;
            gap: 50px;
        }

        .presentation-text {
            flex: 1;
            opacity: 0;
            transform: translateX(-50px);
            transition: opacity 0.8s ease, transform 0.8s ease;
        }

        .presentation-text.in-view {
            opacity: 1;
            transform: translateX(0);
        }

        .presentation-text h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
            color: var(--tech-blue);
        }

        .presentation-text p {
            font-size: 1.1rem;
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .highlight-box {
            background: linear-gradient(135deg, rgba(37, 117, 252, 0.1), rgba(230, 57, 70, 0.1));
            border-left: 4px solid var(--power-red);
            padding: 20px;
            margin: 30px 0;
            border-radius: 0 8px 8px 0;
        }

        .presentation-image {
            flex: 1;
            position: relative;
            opacity: 0;
            transform: translateX(50px);
            transition: opacity 0.8s ease, transform 0.8s ease;
        }

        .presentation-image.in-view {
            opacity: 1;
            transform: translateX(0);
        }

        .presentation-image img {
            width: 100%;
            border-radius: 10px;
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
            transform: rotate(-2deg);
            transition: var(--transition);
        }

        .presentation-image:hover img {
            transform: rotate(0deg) scale(1.02);
        }

        .presentation-image::before {
            content: "";
            position: absolute;
            width: 100%;
            height: 100%;
            border: 3px solid var(--titan-gold);
            border-radius: 10px;
            top: 20px;
            left: 20px;
            z-index: -1;
            transition: var(--transition);
        }

        .presentation-image:hover::before {
            top: 15px;
            left: 15px;
        }

        /* Section Programmes */
        .programs-section {
            padding: 100px 5%;
            background: linear-gradient(135deg, #f8f9fa, #e9ecef);
            position: relative;
            overflow: hidden;
        }

        .programs-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            max-width: 1200px;
            margin: 50px auto 0;
        }

        .program-card {
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
            transition: var(--transition);
            opacity: 0;
            transform: translateY(50px);
        }

        .program-card.in-view {
            opacity: 1;
            transform: translateY(0);
        }

        .program-card:nth-child(1) { transition-delay: 0.1s; }
        .program-card:nth-child(2) { transition-delay: 0.3s; }
        .program-card:nth-child(3) { transition-delay: 0.5s; }

        .program-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(0,0,0,0.15);
        }

        .program-image {
            height: 200px;
            overflow: hidden;
            position: relative;
        }

        .program-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

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

        .program-badge {
            position: absolute;
            top: 20px;
            right: 20px;
            background: var(--power-red);
            color: white;
            padding: 5px 15px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 700;
        }

        .program-content {
            padding: 25px;
        }

        .program-content h3 {
            font-size: 1.5rem;
            margin-bottom: 15px;
            color: var(--carbon);
            position: relative;
            display: inline-block;
        }

        .program-content h3::after {
            content: "";
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 50%;
            height: 3px;
            background: var(--tech-blue);
            transition: width 0.4s ease;
        }

        .program-card:hover .program-content h3::after {
            width: 100%;
        }

        .program-content p {
            color: #666;
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .program-features {
            margin-bottom: 20px;
        }

        .program-features li {
            display: flex;
            align-items: center;
            margin-bottom: 8px;
            color: #555;
        }

        .program-features i {
            color: var(--tech-blue);
            margin-right: 10px;
            font-size: 0.9rem;
        }

        .program-link {
            display: inline-flex;
            align-items: center;
            color: var(--tech-blue);
            font-weight: 600;
            text-decoration: none;
            transition: var(--transition);
        }

        .program-link i {
            margin-left: 8px;
            transition: var(--transition);
        }

        .program-link:hover {
            color: var(--power-red);
        }

        .program-link:hover i {
            transform: translateX(5px);
        }

        /* Section Pourquoi */
    
        /* Styles pour la section Why */
.why-section {
    padding: 4rem 1.5rem;
    text-align: center;
    overflow: hidden;
    position: relative;
}

.section-title {
    font-size: clamp(1.8rem, 5vw, 2.5rem);
    margin-bottom: 3rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(to right, var(--primary), var(--accent));
    border-radius: 2px;
    animation: underlineGrow 1s ease-out forwards;
}

.why-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
}

.why-card {
    background: white;
    border-radius: 15px;
    padding: 1.5rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    animation: fadeInUp 0.8s ease-out both;
    animation-delay: var(--delay);
    position: relative;
    overflow: hidden;
}

.why-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(to right, var(--primary), var(--accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.why-card:hover {
    transform: translateY(-10px) scale(1.03);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.why-card:hover::before {
    transform: scaleX(1);
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    animation: float 4s ease-in-out infinite, pulse 2s ease-in-out infinite;
    display: inline-block;
}

.why-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--primary);
    transition: color 0.3s ease;
}

.why-card p {
    font-size: 0.95rem;
    line-height: 1.5;
    color: #555;
    transition: color 0.3s ease;
}

.why-card:hover h3,
.why-card:hover p {
    color: #333;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

@keyframes underlineGrow {
    from {
        width: 0;
    }
    to {
        width: 80px;
    }
}

/* Media Queries pour le responsive */
@media (max-width: 1024px) {
    .why-cards {
        gap: 1.2rem;
    }
    .why-card {
        padding: 1.2rem;
    }
}

@media (max-width: 768px) {
    .why-section {
        padding: 3rem 1rem;
    }
    .why-cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .why-cards {
        grid-template-columns: 1fr;
        max-width: 350px;
    }
    .why-card {
        padding: 1.5rem;
    }
    .section-title {
        font-size: 2rem;
    }
}


        /* Section Partenaires */
        .partenaires-section {
            padding: 100px 5%;
            background: linear-gradient(135deg, #f8f9fa, #e9ecef);
        }

        .partenaires-title {
            color: var(--carbon);
        }

        .partenaires-grid {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 40px;
            max-width: 1000px;
            margin: 50px auto 0;
        }

        .partenaire-card {
            background: white;
            border-radius: 10px;
            padding: 30px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.05);
            transition: var(--transition);
            width: 220px;
            height: 120px;
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            transform: scale(0.8);
        }

        .partenaire-card.in-view {
            opacity: 1;
            transform: scale(1);
        }

        .partenaire-card:nth-child(1) { transition-delay: 0.1s; }
        .partenaire-card:nth-child(2) { transition-delay: 0.3s; }
        .partenaire-card:nth-child(3) { transition-delay: 0.5s; }
        .partenaire-card:nth-child(4) { transition-delay: 0.7s; }

        .partenaire-card:hover {
            transform: translateY(-10px) scale(1.05);
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        }

        .partenaire-card img {
            max-width: 100%;
            max-height: 60px;
            filter: grayscale(100%);
            opacity: 0.7;
            transition: var(--transition);
        }

        .partenaire-card:hover img {
            filter: grayscale(0%);
            opacity: 1;
        }

        /* Section CTA */
        .final-cta {
            padding: 100px 5%;
            background: linear-gradient(135deg, var(--tech-blue), var(--power-red));
            color: white;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .final-cta h2 {
            font-size: 2.5rem;
            margin-bottom: 20px;
        }

        .final-cta h2 span {
            text-decoration: underline;
            text-underline-offset: 8px;
        }

        .final-cta p {
            font-size: 1.2rem;
            margin-bottom: 40px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        .floating-icons {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
        }

        .floating-icons i {
            position: absolute;
            font-size: 2rem;
            opacity: 0.1;
            animation: float 10s infinite linear;
        }

        .floating-icons i:nth-child(1) {
            top: 20%;
            left: 10%;
            animation-delay: 0s;
        }

        .floating-icons i:nth-child(2) {
            top: 60%;
            left: 80%;
            animation-delay: 2s;
        }

        .floating-icons i:nth-child(3) {
            top: 30%;
            left: 70%;
            animation-delay: 4s;
        }

        /* Animations */
        @keyframes float {
            0% {
                transform: translateY(0) rotate(0deg);
            }
            50% {
                transform: translateY(-20px) rotate(5deg);
            }
            100% {
                transform: translateY(0) rotate(0deg);
            }
        }

        /* Responsive */
        @media (max-width: 992px) {
            .presentation-content {
                flex-direction: column;
            }

            .presentation-text, 
            .presentation-image {
                width: 100%;
                max-width: 600px;
                margin: 0 auto;
            }

            .presentation-text {
                order: 2;
                text-align: center;
            }

            .presentation-image {
                order: 1;
                margin-bottom: 40px;
            }

            .hero-title {
                font-size: 3rem;
            }
        }

        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.5rem;
            }

            .hero-subtitle {
                font-size: 1.2rem;
            }

            .cta-buttons {
                flex-direction: column;
                gap: 15px;
            }

            .cta-button {
                width: 100%;
                max-width: 300px;
                margin: 0 auto;
            }

            .section-title {
                font-size: 2rem;
            }

            .programs-grid {
                grid-template-columns: 1fr;
            }

            .pourquoi-grid {
                grid-template-columns: 1fr;
            }
        }