:root {
            --primary-green: #2E7D32;
            --light-green: #4CAF50;
            --primary-blue: #1976D2;
            --light-blue: #42A5F5;
            --dark-text: #2E3440;
            --light-text: #5E81AC;
            --bg-light: #FAFAFA;
            --white: #FFFFFF;
            --shadow: 0 8px 25px rgba(0,0,0,0.1);
            --shadow-hover: 0 12px 35px rgba(0,0,0,0.15);
            --gradient-primary: linear-gradient(135deg, var(--primary-green), var(--light-green));
            --gradient-secondary: linear-gradient(135deg, var(--primary-blue), var(--light-blue));
            --gradient-bg: linear-gradient(135deg, #E8F5E8 0%, #E3F2FD 100%);
            --nav-h: clamp(100px, 12vw, 100px);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Poppins', sans-serif;
            line-height: 1.6;
            color: var(--dark-text);
            background: var(--bg-light);
        }

        /* Header Styles */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            z-index: 1000;
            transition: all 0.3s ease;
            box-shadow: var(--shadow);
        }

        .nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 5%;
            max-width: 1200px;
            margin: 0 auto;
        }

        .nav-logo {
            height: calc(var(--nav-h)-0px);  /* marge interne visuelle */
            width: auto;                        /* conserve le ratio */
            display: block;                     /* supprime l’espace inline */
            object-fit: contain;                /* propre pour PNG/JPG/SVG */
            object-position: left center;       /* ancré à gauche */
        }

        .nav {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: var(--nav-h);
        padding: 0 20px;
        }

        .nav-brand {
        display: inline-flex;
        align-items: center;
        height: 100%;
        }


        .nav-logo {
        height: calc(var(--nav-h) - 0px);  /* marge interne visuelle */
        width: auto;                        /* conserve le ratio */
        display: block;                     /* supprime l’espace inline */
        object-fit: contain;                /* propre pour PNG/JPG/SVG */
        object-position: left center;       /* ancré à gauche */
        }
        .logo i {
            color: var(--primary-blue);
        }

        .nav-links {
            display: flex;
            list-style: none;
            gap: 2rem;
        }

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

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

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--dark-text);
            cursor: pointer;
        }

        /* Hero Section */
        .hero {
            height: 100vh;
            background-image: url(images/generated-image.png);
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero-content {
            max-width: 800px;
            padding: 2rem;
            color: var(--white);
            opacity: 0;
            transform: translateY(30px);
            animation: fadeInUp 1s ease forwards 0.5s;
        }

        .hero h1 {
            font-size: clamp(2.5rem, 5vw, 4rem);
            font-weight: 700;
            margin-bottom: 1.5rem;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }

        .hero p {
            font-size: clamp(1.1rem, 2.5vw, 1.3rem);
            margin-bottom: 2rem;
            font-weight: 300;
            text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
        }

        .cta-btn {
            display: inline-block;
            padding: 1rem 2.5rem;
            background: var(--gradient-primary);
            color: var(--white);
            text-decoration: none;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1.1rem;
            box-shadow: var(--shadow);
            transition: all 0.3s ease;
        }

        .cta-btn:hover {
            box-shadow: var(--shadow-hover);
        }

        /* Section Styles */
        .section {
            padding: 5rem 5%;
            max-width: 1200px;
            margin: 0 auto;
        }

        .section-title {
            text-align: center;
            margin-bottom: 3rem;
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.8s ease;
        }

        .section-title.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .section-title h2 {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 700;
            color: var(--primary-green);
            margin-bottom: 1rem;
        }

        .section-title p {
            font-size: 1.2rem;
            color: var(--light-text);
            font-weight: 300;
        }

        /* About Section */
        .about-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
            opacity: 0;
            transform: translateX(-30px);
            transition: all 0.8s ease;
        }

        .about-content.visible {
            opacity: 1;
            transform: translateX(0);
        }

        .about-text {
            font-size: 1.1rem;
            line-height: 1.8;
            color: var(--light-text);
        }

        .about-stats {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
        }

        .stat-card {
            background: var(--white);
            padding: 2rem;
            border-radius: 20px;
            text-align: center;
            box-shadow: var(--shadow);
            transition: transform 0.3s ease;
        }

        .stat-card:hover {
            transform: translateY(-5px);
        }

        .stat-number {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--primary-green);
        }

        .stat-label {
            color: var(--light-text);
            font-weight: 500;
        }

        /* Services Section */
        .services {
            background: var(--gradient-bg);
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }

        .service-card {
            background: var(--white);
            padding: 2.5rem;
            border-radius: 25px;
            text-align: center;
            box-shadow: var(--shadow);
            transition: all 0.3s ease;
            opacity: 0;
            transform: translateY(30px);
        }

        .service-card.visible {
            opacity: 1;
            transform: translateY(0);
        }

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

        .service-icon {
            width: 80px;
            height: 80px;
            background: var(--gradient-secondary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
            color: var(--white);
            font-size: 2rem;
        }

        .service-card h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--primary-green);
            margin-bottom: 1rem;
        }

        .service-card p {
            color: var(--light-text);
            line-height: 1.6;
        }

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

        .project-card {
            background: var(--white);
            border-radius: 20px;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all 0.3s ease;
            opacity: 0;
            transform: scale(0.95);
        }

        .project-card.visible {
            opacity: 1;
            transform: scale(1);
        }

        .project-card:hover {
            transform: translateY(-5px) scale(1.02);
            box-shadow: var(--shadow-hover);
        }

        .project-image {
            height: 250px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 4rem;
            width: 100%;
            aspect-ratio: 16 / 9;        /* ou une valeur adaptée à ton design */
            overflow: hidden;            /* masque ce qui dépasse du cadre */
            border-top-left-radius: 20px;
            border-top-right-radius: 20px;
        }
        .project-image img {
            width: 100%;
            height: 100%;
            display: block;              /* évite l’espace blanc inline */
            object-fit: cover;           /* remplit le cadre en conservant le ratio */
            object-position: center;     /* centre le recadrage */
        }

        .project-info {
            padding: 2rem;
        }

        .project-info h3 {
            font-size: 1.3rem;
            font-weight: 600;
            color: var(--primary-green);
            margin-bottom: 0.5rem;
        }

        .project-info p {
            color: var(--light-text);
            line-height: 1.6;
        }

        /* Contact Section */
        .contact {
            background: var(--gradient-bg);
        }

        .contact-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: start;
        }

        .contact-form {
            background: var(--white);
            padding: 3rem;
            border-radius: 25px;
            box-shadow: var(--shadow);
        }

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

        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 500;
            color: var(--dark-text);
        }

        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 1rem;
            border: 2px solid #E0E0E0;
            border-radius: 15px;
            font-size: 1rem;
            transition: border-color 0.3s ease;
            font-family: inherit;
        }

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

        .form-group textarea {
            resize: vertical;
            height: 120px;
        }

        .contact-info {
            opacity: 0;
            transform: translateX(30px);
            transition: all 0.8s ease;
        }

        .contact-info.visible {
            opacity: 1;
            transform: translateX(0);
        }

        .contact-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-bottom: 2rem;
            padding: 1.5rem;
            background: var(--white);
            border-radius: 20px;
            box-shadow: var(--shadow);
            transition: transform 0.3s ease;
        }

        .contact-item:hover {
            transform: translateX(10px);
        }

        .contact-icon {
            width: 60px;
            height: 60px;
            background: var(--gradient-primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-size: 1.5rem;
        }

        .contact-text h4 {
            font-weight: 600;
            color: var(--primary-green);
            margin-bottom: 0.3rem;
        }
        #form-status {
            text-align: center;
            margin-top: 20px;
            font-weight: 500;
            border-radius: 8px;
            padding: 10px;
            }
            #form-status.success {
            background-color: #dcfce7;
            color: #166534;
            }
            #form-status.error {
            background-color: #fee2e2;
            color: #991b1b;
            }
            #form-status.loading {
            background-color: #f0f9ff;
            color: #0369a1;
            }
            .hidden {
            display: none;
            }
            .contact-text p {
            color: var(--light-text);
            }
        .cta-btn{
            border: 0px;
        }
        .cta-btn:hover{
            cursor: pointer;
            transform: translateX(50px);
        }
        .whatsapp-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 1rem 2rem;
            background: #25D366;
            color: var(--white);
            text-decoration: none;
            border-radius: 50px;
            font-weight: 600;
            box-shadow: var(--shadow);
            transition: all 0.3s ease;
            margin-top: 1rem;
        }

        .whatsapp-btn:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }

        /* Footer */
        .footer {
            background: var(--dark-text);
            color: var(--white);
            padding: 3rem 5% 2rem;
            text-align: center;
        }

        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-section h3 {
            font-size: 1.3rem;
            margin-bottom: 1rem;
            color: var(--light-green);
        }

        .footer-section p,
        .footer-section li {
            margin-bottom: 0.5rem;
            color: #B0BEC5;
        }

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

        .footer-section a {
            color: #B0BEC5;
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .footer-section a:hover {
            color: var(--light-green);
        }

        .social-links {
            display: flex;
            justify-content: center;
            gap: 1rem;
            margin-top: 1rem;
        }

        .social-links a {
            width: 40px;
            height: 40px;
            background: var(--gradient-primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-size: 1.2rem;
            transition: transform 0.3s ease;
        }

        .social-links a:hover {
            transform: translateY(-3px);
        }

        .footer-bottom {
            border-top: 1px solid #37474F;
            padding-top: 1rem;
            color: #78909C;
        }

        /* Animations */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
            @media (min-width: 992px) {
    .services-grid {
        display: grid;
        grid-template-columns: repeat(3, minmax(280px, 1fr));
        gap: 2rem;
    }
    /* 1 carte restante sur la dernière ligne -> commence en colonne 2 */
    .services-grid > .service-card:nth-last-child(1):nth-child(3n + 1) {
        grid-column: 2 / span 1;
    }
    /* 2 cartes restantes -> la première commence en colonne 2 (donc 2 et 3) */
    .services-grid > .service-card:nth-last-child(2):nth-child(3n + 1) {
        grid-column: 2 / span 1;
    }
}

        /* Responsive Design */
        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--white);
                flex-direction: column;
                padding: 2rem;
                box-shadow: var(--shadow);
                transform: translateY(-100%);
                opacity: 0;
                visibility: hidden;
                transition: all 0.3s ease;
            }

            .nav-links.active {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }

            .mobile-menu-btn {
                display: block;
            }

            .about-content {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .about-stats {
                grid-template-columns: 1fr;
            }

            .contact-container {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

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

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

            .footer-content {
                grid-template-columns: 1fr;
                text-align: left;
            }

            .social-links {
                justify-content: flex-start;
            }
        }

        @media (max-width: 480px) {
            .section {
                padding: 3rem 1rem;
            }

            .nav {
                padding: 1rem;
            }

            .contact-form {
                padding: 2rem;
            }

            .hero-content {
                padding: 1rem;
            }
        }