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

        :root {
            --betra-blue: #0098DA;
            --betra-dark-blue: #005A8C;
            --betra-light-blue: #E6F5FB;
            --benin-green: #00A65A;
            --benin-yellow: #FDB913;
            --benin-red: #E8112D;
            --text-dark: #1A1A1A;
            --text-gray: #4A5568;
            --text-light: #718096;
            --white: #FFFFFF;
            --gray-50: #F9FAFB;
            --gray-100: #F3F4F6;
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            line-height: 1.6;
            color: var(--text-dark);
            overflow-x: hidden;
        }


        /* ==================== HEADER ==================== */
        .top-bar {
            background: linear-gradient(135deg, var(--betra-dark-blue), var(--betra-blue));
            color: var(--white);
            padding: 10px 0;
            font-size: 14px;
        }

        .top-bar-content {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }

        .top-bar-left {
            display: flex;
            gap: 25px;
            align-items: center;
        }

        .top-bar-left a {
            color: var(--white);
            text-decoration: none;
            transition: opacity 0.3s;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .top-bar-left a:hover {
            opacity: 0.8;
        }

        .benin-badge {
            background: rgba(255,255,255,0.2);
            padding: 5px 15px;
            border-radius: 2px;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        header {
            background: var(--white);
            box-shadow: 0 2px 20px rgba(0,0,0,0.08);
            position: sticky;
            top: 0;
            z-index: 1000;
            transition: all 0.3s;
        }

        .header-main {
            max-width: 1400px;
            margin: 0 auto;
            padding: 20px 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            display: flex;
            align-items: center;
            text-decoration: none;
        }

        /* LOGO PARFAIT SUR TOUS LES ÉCRANS - À COLLER À LA FIN DE header_style.css */
.logo img {
    height: 60px;          /* taille normale sur desktop */
    width: auto;           /* garde les proportions */
    transition: height 0.3s ease;
}

/* Tablette */
@media (max-width: 1024px) {
    .logo img {
        height: 50px;      /* un peu plus petit */
        width: auto;
    }
}

/* Mobile (≤768px) */
@media (max-width: 768px) {
    .logo img {
        height: 45px;      /* parfait sur mobile */
        width: auto;
    }
}

/* Très petit mobile (≤480px) */
@media (max-width: 480px) {
    .logo img {
        height: 40px;
        width: auto;
    }
}

/* Footer : même chose, mais un peu plus grand pour rester lisible */
footer .logo img {
    height: 55px;
    width: auto;
}

@media (max-width: 768px) {
    footer .logo img {
        height: 48px;
        width: auto;
    }
}

@media (max-width: 480px) {
    footer .logo img {
        height: 44px;
        width: auto;
    }
}

        /* Ancien logo CSS - gardé pour compatibilité mais non utilisé */
        .logo-symbol {
            width: 50px;
            height: 50px;
            background: linear-gradient(135deg, var(--betra-blue), var(--betra-dark-blue));
            transform: rotate(45deg);
            position: relative;
            border-radius: 2px;
            display: none; /* Caché car on utilise le vrai logo */
        }

        .logo-symbol::before,
        .logo-symbol::after {
            content: '';
            position: absolute;
            background: var(--white);
            border-radius: 2px;
        }

        .logo-symbol::before {
            width: 14px;
            height: 14px;
            top: 10px;
            left: 10px;
        }

        .logo-symbol::after {
            width: 14px;
            height: 14px;
            bottom: 10px;
            right: 10px;
        }

        .logo-text {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-dark);
            display: none; /* Caché car inclus dans le logo image */
        }

        .nav-menu {
            display: flex;
            list-style: none;
            gap: 40px;
            align-items: center;
        }

        .nav-menu a {
            text-decoration: none;
            color: var(--text-dark);
            font-weight: 600;
            font-size: 15px;
            transition: color 0.3s;
            position: relative;
        }

        .nav-menu a.active {
            color: var(--betra-blue);
        }

        .nav-menu a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--betra-blue);
            transition: width 0.3s;
        }

        .nav-menu a:hover::after,
        .nav-menu a.active::after {
            width: 100%;
        }

        .header-cta {
            background: var(--betra-blue);
            color: var(--white);
            padding: 12px 30px;
            border-radius: 2px;
            text-decoration: none;
            font-weight: 700;
            transition: all 0.3s;
            box-shadow: 0 4px 15px rgba(0, 152, 218, 0.3);
        }

        .header-cta:hover {
            background: var(--betra-dark-blue);
            transform: translateY(-2px);
            box-shadow: 0 6px 25px rgba(0, 152, 218, 0.4);
        }

        .mobile-menu {
            display: none;
            background: none;
            border: none;
            font-size: 28px;
            cursor: pointer;
            color: var(--text-dark);
        }

        /* ==================== MOBILE MENU ==================== */
        .mobile-nav {
            position: fixed;
            top: 0;
            right: -100%;
            width: 300px;
            height: 100vh;
            background: var(--white);
            box-shadow: -5px 0 25px rgba(0,0,0,0.2);
            z-index: 2000;
            transition: right 0.3s ease;
            overflow-y: auto;
            border-radius: 0;
        }

        .mobile-nav.active {
            right: 0;
        }

        .mobile-nav-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 25px;
            border-bottom: 1px solid var(--gray-100);
        }

        .mobile-close {
            background: none;
            border: none;
            font-size: 32px;
            cursor: pointer;
            color: var(--text-dark);
        }

        .mobile-nav-links {
            list-style: none;
            padding: 20px 0;
        }

        .mobile-nav-links li {
            border-bottom: 1px solid var(--gray-100);
        }

        .mobile-nav-links a {
            display: block;
            padding: 20px 25px;
            color: var(--text-dark);
            text-decoration: none;
            font-weight: 600;
            font-size: 16px;
            transition: all 0.3s;
        }

        .mobile-nav-links a:hover,
        .mobile-nav-links a.active {
            background: var(--betra-light-blue);
            color: var(--betra-blue);
        }

        .mobile-nav-cta {
            margin: 20px 25px;
        }

        .mobile-nav-cta a {
            display: block;
            background: var(--betra-blue);
            color: var(--white);
            padding: 15px;
            border-radius: 2px;
            text-align: center;
            text-decoration: none;
            font-weight: 700;
        }

        .mobile-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100vh;
            background: rgba(0,0,0,0.5);
            z-index: 1999;
            display: none;
        }

        .mobile-overlay.active {
            display: block;
        }

        /* ==================== WHATSAPP BUTTON ==================== */
        .whatsapp-float {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 60px;
            height: 60px;
            background: #25D366;
            border-radius: 2px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 32px;
            box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
            z-index: 1000;
            cursor: pointer;
            text-decoration: none;
            transition: all 0.3s;
            animation: pulse 2s infinite;
        }

        .whatsapp-float:hover {
            transform: scale(1.1);
            box-shadow: 0 6px 30px rgba(37, 211, 102, 0.6);
        }

        @keyframes pulse {
            0%, 100% {
                box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
            }
            50% {
                box-shadow: 0 4px 30px rgba(37, 211, 102, 0.7);
            }
        }

        .whatsapp-tooltip {
            position: absolute;
            right: 70px;
            background: var(--white);
            padding: 12px 20px;
            border-radius: 2px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.2);
            white-space: nowrap;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-dark);
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s;
        }

        .whatsapp-float:hover .whatsapp-tooltip {
            opacity: 1;
        }

        /* ==================== PDF DOWNLOAD BUTTON ==================== */
        

        .mobile-menu {
            display: none;
            background: none;
            border: none;
            font-size: 28px;
            cursor: pointer;
            color: var(--text-dark);
        }

        /* ==================== HERO ==================== */
        .hero {
            background: linear-gradient(135deg, rgba(0, 90, 140, 0.95), rgba(0, 152, 218, 0.95)),
                        url('data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" width="1920" height="1080"%3E%3Crect fill="%230098DA" width="1920" height="1080"/%3E%3C/svg%3E');
            background-size: cover;
            background-position: center;
            color: var(--white);
            padding: 120px 0 100px;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml,%3Csvg width="100" height="100" xmlns="http://www.w3.org/2000/svg"%3E%3Cdefs%3E%3Cpattern id="grid" width="50" height="50" patternUnits="userSpaceOnUse"%3E%3Cpath d="M 50 0 L 0 0 0 50" fill="none" stroke="white" stroke-width="0.5" opacity="0.1"/%3E%3C/pattern%3E%3C/defs%3E%3Crect width="100%25" height="100%25" fill="url(%23grid)"/%3E%3C/svg%3E');
            opacity: 0.3;
        }

        .container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 30px;
        }

        .hero-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
            position: relative;
            z-index: 2;
        }

        .hero-text h1 {
            font-size: 58px;
            font-weight: 900;
            line-height: 1.1;
            margin-bottom: 25px;
        }

        .hero-highlight {
            color: var(--benin-yellow);
        }

        .hero-subtitle {
            font-size: 22px;
            line-height: 1.7;
            margin-bottom: 30px;
            opacity: 0.95;
        }

        .hero-badges {
            display: flex;
            gap: 20px;
            margin-bottom: 35px;
            flex-wrap: wrap;
        }

        .hero-badge {
            background: rgba(255,255,255,0.15);
            backdrop-filter: blur(10px);
            padding: 12px 25px;
            border-radius: 2px;
            border: 1px solid rgba(255,255,255,0.3);
            font-size: 14px;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hero-buttons {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }

        .btn-primary, .btn-secondary {
            padding: 16px 40px;
            border-radius: 0;
            text-decoration: none;
            font-weight: 700;
            font-size: 16px;
            transition: all 0.3s;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-primary {
            background: var(--white);
            color: var(--betra-blue);
            box-shadow: 0 8px 25px rgba(0,0,0,0.2);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 35px rgba(0,0,0,0.3);
        }

        .btn-secondary {
            background: transparent;
            color: var(--white);
            border: 2px solid var(--white);
        }

        .btn-secondary:hover {
            background: var(--white);
            color: var(--betra-blue);
        }

        .hero-image {
            position: relative;
        }

        .hero-image img {
            width: 100%;
            border-radius: 0;
            box-shadow: 0 20px 60px rgba(0,0,0,0.3);
        }

        .hero-floating-card {
            position: absolute;
            background: var(--white);
            padding: 25px;
            border-radius: 2px;
            box-shadow: 0 15px 40px rgba(0,0,0,0.3);
            color: var(--text-dark);
        }

        .hero-floating-card.card-1 {
            top: 20px;
            right: -20px;
        }

        .hero-floating-card.card-2 {
            bottom: 30px;
            left: -20px;
        }

        .floating-card-number {
            font-size: 36px;
            font-weight: 800;
            color: var(--betra-blue);
            line-height: 1;
            margin-bottom: 5px;
        }

        .floating-card-text {
            font-size: 14px;
            color: var(--text-gray);
            font-weight: 600;
        }

        /* ==================== STATS ==================== */
        .stats-section {
            background: var(--white);
            padding: 60px 0;
            margin-top: -50px;
            position: relative;
            z-index: 3;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            background: var(--white);
            padding: 50px;
            border-radius: 2px;
            box-shadow: 0 10px 50px rgba(0,0,0,0.1);
        }

        .stat-card {
            text-align: center;
            padding: 20px;
            border-right: 1px solid var(--gray-100);
        }

        .stat-card:last-child {
            border-right: none;
        }

        .stat-icon {
            font-size: 48px;
            margin-bottom: 15px;
        }

        .stat-icon i {
    color: #0098DA;
}

        .stat-number {
            font-size: 48px;
            font-weight: 800;
            color: var(--betra-blue);
            margin-bottom: 10px;
        }

        .stat-label {
            font-size: 15px;
            color: var(--text-gray);
            font-weight: 600;
        }

        /* ==================== FEATURES ==================== */
        .features-section {
            padding: 100px 0;
            background: var(--gray-50);
        }

        .section-label {
            font-size: 14px;
            font-weight: 700;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--betra-blue);
            margin-bottom: 15px;
            text-align: center;
        }

        .section-title {
            font-size: 48px;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 25px;
            line-height: 1.2;
            text-align: center;
        }

        .section-description {
            font-size: 18px;
            color: var(--text-gray);
            line-height: 1.8;
            margin: 0 auto 60px;
            text-align: center;
            max-width: 800px;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 40px;
            margin-top: 60px;
        }

        .feature-card {
            background: var(--white);
            padding: 40px;
            border-radius: 2px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.08);
            transition: all 0.3s;
            text-align: center;
        }

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

        .feature-icon {
            font-size: 64px;
            margin-bottom: 25px;
        }

        .feature-title {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 15px;
        }

        .feature-text {
            font-size: 16px;
            color: var(--text-gray);
            line-height: 1.7;
        }

        .feature-icon.circle {
        display: inline-flex;
        width: 56px;
        height: 56px;
        align-items: center;
        justify-content: center;
        border-radius: 2px;
        background: #F3F4F6; /* fond plat */
        color: #0098DA;       /* icône sombre */
        font-size: 22px;
        box-shadow: none;     /* look plat */
        }

        /* ==================== PRODUCTS PREVIEW ==================== */
        .products-preview {
            padding: 100px 0;
            background: var(--gray-100);
        }

        .products-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-bottom: 50px;
        }

        .product-card {
            background: var(--white);
            border: 2px solid var(--gray-100);
            border-radius: 2px;
            overflow: hidden;
            transition: all 0.3s;
            cursor: pointer;
        }

        .product-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(0,0,0,0.15);
            border-color: var(--betra-blue);
        }

        .product-icon {
            height: 200px;
            background: linear-gradient(135deg, var(--betra-light-blue), var(--betra-blue));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 80px;
        }

        .product-info {
            padding: 25px;
        }

        .product-category {
            font-size: 12px;
            font-weight: 700;
            text-transform: uppercase;
            color: var(--betra-blue);
            letter-spacing: 1px;
            margin-bottom: 10px;
        }

        .product-name {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 12px;
        }

        .product-description {
            font-size: 14px;
            color: var(--text-gray);
            line-height: 1.6;
            margin-bottom: 15px;
        }

        /* ==================== CLIENTS ==================== */
        .clients-section {
            padding: 100px 0;
            background: var(--white);
        }

        .clients-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 30px;
            margin-top: 60px;
        }

        .client-card {
            background: var(--white);
            padding: 30px;
            border-radius: 2px;
            display: flex;
            align-items: center;
            justify-content: center;
            height: 130px;
            transition: all 0.3s;
            border: 2px solid transparent;
            text-align: center;
        }

        .client-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 15px 40px rgba(0,0,0,0.12);
            border-color: var(--betra-blue);
        }

        .client-name {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-gray);
        }

        /* ==================== ACTUALITÉS HOME ==================== */
        .actualites-home-section {
            padding: 100px 0;
            background: var(--white);
        }

        .actualites-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-top: 60px;
        }

        .actualite-card {
            background: var(--white);
            border: 2px solid var(--gray-100);
            border-radius: 2px;
            padding: 35px;
            transition: all 0.4s ease;
            cursor: pointer;
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .actualite-card:hover {
            border-color: var(--betra-blue);
            box-shadow: 0 15px 50px rgba(0, 152, 218, 0.15);
            transform: translateY(-8px);
        }

        .actualite-date {
            font-size: 14px;
            font-weight: 600;
            color: var(--betra-blue);
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .actualite-title {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 15px;
            line-height: 1.4;
        }

        .actualite-excerpt {
            font-size: 15px;
            color: var(--text-gray);
            line-height: 1.7;
            margin-bottom: 20px;
            flex-grow: 1;
        }

        .actualite-link {
            color: var(--betra-blue);
            font-weight: 600;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all 0.3s;
        }

        .actualite-link:hover {
            gap: 12px;
        }

        /* ==================== CTA ==================== */
        .cta-section {
            padding: 100px 0;
            background: linear-gradient(135deg, var(--betra-dark-blue), var(--betra-blue));
            color: var(--white);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(255,255,255,0.1) 1px, transparent 1px);
            background-size: 50px 50px;
            animation: drift 30s linear infinite;
        }

        @keyframes drift {
            from { transform: translate(0, 0) rotate(0deg); }
            to { transform: translate(50px, 50px) rotate(360deg); }
        }

        .cta-content {
            max-width: 900px;
            margin: 0 auto;
            position: relative;
            z-index: 2;
        }

        .cta-content h2 {
            font-size: 48px;
            font-weight: 800;
            margin-bottom: 25px;
        }

        .cta-content p {
            font-size: 20px;
            margin-bottom: 40px;
            opacity: 0.95;
            line-height: 1.7;
        }

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

        /* ==================== FOOTER ==================== */
        footer {
            background: var(--text-dark);
            color: var(--white);
            padding: 80px 0 0;
        }

        .footer-main {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 60px;
            padding-bottom: 60px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }

        .footer-brand .logo {
            margin-bottom: 25px;
            display: inline-block;
            background: var(--white);
            padding: 15px 20px;
            border-radius: 2px;
            transition: all 0.3s;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
        }

        .footer-brand .logo:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
        }

        .footer-brand .logo img {
            height: 50px;
            display: block;
        }

        .footer-brand .logo-text {
            color: var(--white);
        }

        .footer-description {
            color: rgba(255,255,255,0.7);
            line-height: 1.8;
            margin-bottom: 25px;
            font-size: 15px;
        }

        .footer-social {
            display: flex;
            gap: 15px;
        }

        .social-link {
            width: 45px;
            height: 45px;
            background: rgba(255,255,255,0.1);
            border-radius: 2px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            text-decoration: none;
            font-size: 20px;
            transition: all 0.3s;
        }

        .social-link:hover {
            background: var(--betra-blue);
            transform: translateY(-3px);
        }

        .footer-section h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 25px;
            color: var(--white);
        }

        .footer-links {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 15px;
        }

        .footer-links a {
            color: rgba(255,255,255,0.7);
            text-decoration: none;
            transition: all 0.3s;
            display: inline-block;
            font-size: 15px;
        }

        .footer-links a:hover {
            color: var(--betra-blue);
            transform: translateX(5px);
        }

        .footer-bottom {
            padding: 30px 0;
            text-align: center;
        }

        .footer-bottom-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: rgba(255,255,255,0.5);
            font-size: 14px;
        }

        .benin-flag {
            font-size: 24px;
        }

        /* ==================== RESPONSIVE ==================== */
        @media (max-width: 1024px) {
            .nav-menu {
                display: none;
            }

            .mobile-menu {
                display: block;
            }

            .logo img {
                height: 50px;
            }

            .hero-content {
                grid-template-columns: 1fr;
            }

            .products-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .actualites-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .clients-grid {
                grid-template-columns: repeat(3, 1fr);
            }

            .footer-main {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .logo img {
                height: 40px;
            }

            .footer-brand .logo img {
                height: 45px;
            }

            .footer-brand .logo {
                padding: 12px 18px;
            }

            .hero-text h1 {
                font-size: 36px;
            }

            .section-title {
                font-size: 32px;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                padding: 30px;
            }

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

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

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

            .clients-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-main {
                grid-template-columns: 1fr;
            }

            .footer-bottom-content {
                flex-direction: column;
                gap: 15px;
            }
        }