a.service-card {
    display: block;
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}


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

        :root {
            /* Couleurs du logo O-Vision */
            --bordeaux-principal: #6d4c4c;
            --rouge-ovision: #a4313a;
            --gris-ovision: #5a5a5a;
            --noir: #0a0a0a;
            --charbon: #1a1a1a;
            --ardoise: #2a2a2a;
            --ivoire: #faf8f5;
            --blanc-casse: #f5f3f0;
            --accent-dore: #b89968;
            --serif: 'Cormorant Garamond', serif;
            --body: 'Spectral', serif;
            --crimson: 'Crimson Text', serif;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--body);
            color: var(--noir);
            background: var(--ivoire);
            font-weight: 300;
            line-height: 1.55;
            letter-spacing: 0.3px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        /* Navigation */
        nav {
            position: fixed;
            top: 0;
            width: 100%;
            background: rgba(250, 248, 245, 0.98);
            backdrop-filter: blur(20px);
            z-index: 1000;
            border-bottom: 1px solid rgba(164, 49, 58, 0.1);
        }

        .nav-container {
            max-width: 1600px;
            margin: 0 auto;
            padding: 1.5rem 5%;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo-container {
            display: flex;
            align-items: center;
            gap: 0;
        }

        .logo-image {
            height: 70px;
            width: auto;
        }

        .nav-links {
            display: flex;
            gap: 4rem;
            list-style: none;
            align-items: center;
        }

        .nav-links a {
            text-decoration: none;
            color: var(--noir);
            font-size: 0.85rem;
            font-weight: 300;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 1px;
            background: var(--rouge-ovision);
            transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .nav-links a:hover::after {
            width: 100%;
        }

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

        .contact-nav {
            border: 1px solid var(--rouge-ovision);
            padding: 0.8rem 2rem;
            border-radius: 0;
            color: var(--rouge-ovision) !important;
        }

        .contact-nav:hover {
            background: var(--rouge-ovision);
            color: var(--ivoire) !important;
        }

        .contact-nav::after {
            display: none;
        }

        /* Langue */
        .lang-en {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            text-decoration: none;
            color: var(--gris-ovision);
            font-size: 0.78rem;
            font-weight: 400;
            letter-spacing: 2px;
            text-transform: uppercase;
            transition: color 0.3s ease;
            padding-left: 1.5rem;
            border-left: 1px solid rgba(164, 49, 58, 0.2);
            opacity: 0.65;
        }
        .lang-en:hover { color: var(--rouge-ovision); opacity: 1; }
        .lang-en::after { display: none !important; }
        .lang-en svg {
            width: 20px;
            height: 14px;
            border-radius: 2px;
            flex-shrink: 0;
            box-shadow: 0 0 0 1px rgba(0,0,0,0.12);
        }

        /* Hero */
        .hero {
            margin-top: 100px;
            min-height: 75vh;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
            background: linear-gradient(165deg, var(--ivoire) 0%, var(--blanc-casse) 100%);
            padding: 4rem 5%;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 80%;
            height: 150%;
            background: radial-gradient(ellipse at center, rgba(164, 49, 58, 0.06) 0%, transparent 60%);
            animation: heroGlow 20s ease-in-out infinite;
        }

        @keyframes heroGlow {
            0%, 100% { opacity: 0.4; transform: rotate(0deg) scale(1); }
            50% { opacity: 0.6; transform: rotate(5deg) scale(1.1); }
        }

        .hero-container {
            max-width: 1600px;
            margin: 0 auto;
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 6rem;
            align-items: center;
        }

        .hero-content {
            animation: fadeInUp 1.2s cubic-bezier(0.4, 0, 0.2, 1);
        }

        @keyframes fadeInUp {
            from { opacity: 0; transform: translateY(40px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .hero-badge {
            display: inline-block;
            font-size: 0.7rem;
            letter-spacing: 3px;
            text-transform: uppercase;
            color: var(--rouge-ovision);
            margin-bottom: 1.5rem;
            font-weight: 400;
            position: relative;
            padding-left: 60px;
        }

        .hero-badge::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 45px;
            height: 1px;
            background: var(--rouge-ovision);
        }

        .hero h1 {
            font-family: var(--serif);
            font-size: 4.5rem;
            font-weight: 400;
            line-height: 1.1;
            margin-bottom: 1.5rem;
            color: var(--noir);
            letter-spacing: -1px;
        }

        .hero-description {
            font-size: 1.2rem;
            color: var(--ardoise);
            margin-bottom: 2rem;
            line-height: 1.6;
            font-weight: 300;
        }

        .hero-buttons {
            display: flex;
            gap: 2rem;
        }

        .btn-primary {
            display: inline-block;
            padding: 1.2rem 3rem;
            background: var(--bordeaux-principal);
            color: var(--ivoire);
            text-decoration: none;
            font-size: 0.85rem;
            letter-spacing: 2px;
            text-transform: uppercase;
            transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
            border: 1px solid var(--bordeaux-principal);
            font-weight: 400;
        }

        .btn-primary:hover {
            background: var(--rouge-ovision);
            border-color: var(--rouge-ovision);
            transform: translateY(-3px);
            box-shadow: 0 15px 50px rgba(164, 49, 58, 0.25);
        }

        .btn-secondary {
            display: inline-block;
            padding: 1.2rem 3rem;
            background: transparent;
            color: var(--bordeaux-principal);
            text-decoration: none;
            font-size: 0.85rem;
            letter-spacing: 2px;
            text-transform: uppercase;
            transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
            border: 1px solid var(--bordeaux-principal);
            font-weight: 400;
        }

        .btn-secondary:hover {
            background: var(--bordeaux-principal);
            color: var(--ivoire);
            transform: translateY(-3px);
        }

        .hero-features {
            background: white;
            padding: 2.5rem 3rem;
            border-radius: 0;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
            border-left: 3px solid var(--rouge-ovision);
        }

        .feature-item {
            margin-bottom: 2rem;
        }

        .feature-item:last-child {
            margin-bottom: 0;
        }

        .feature-icon {
            width: 48px;
            height: 48px;
            background: var(--bordeaux-principal);
            border-radius: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 0.8rem;
        }

        .feature-icon svg {
            width: 30px;
            height: 30px;
            stroke: white;
        }

        .feature-content h3 {
            font-family: var(--serif);
            font-size: 1.2rem;
            font-weight: 500;
            margin-bottom: 0.4rem;
            color: var(--noir);
        }

        .feature-content p {
            font-size: 0.9rem;
            color: var(--gris-ovision);
            line-height: 1.5;
        }

        /* Section Clarté */
        .clarity-section {
            background: var(--bordeaux-principal);
            color: var(--ivoire);
            padding: 6rem 5%;
            position: relative;
            overflow: hidden;
        }

        .clarity-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--rouge-ovision), transparent);
        }

        .clarity-container {
            max-width: 1200px;
            margin: 0 auto;
            text-align: center;
        }

        .clarity-container h2 {
            font-family: var(--serif);
            font-size: 3.2rem;
            font-weight: 400;
            margin-bottom: 2.5rem;
            color: var(--ivoire);
            letter-spacing: -0.5px;
        }

        .clarity-text {
            font-size: 1.1rem;
            line-height: 1.65;
            font-weight: 300;
            max-width: 950px;
            margin: 0 auto 1.2rem;
            opacity: 0.95;
        }

        /* Boîte de téléchargement dans clarity section */
        .clarity-download {
            max-width: 600px;
            margin: 3rem auto 0;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            padding: 2rem 2.5rem;
            transition: all 0.3s ease;
        }

        .clarity-download:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.25);
        }

        .clarity-download-link {
            display: flex;
            align-items: center;
            gap: 1.2rem;
            text-decoration: none;
            color: var(--ivoire);
        }

        .clarity-download-icon {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.15);
            border-radius: 4px;
        }

        .clarity-download-icon svg {
            width: 24px;
            height: 24px;
            fill: var(--ivoire);
        }

        .clarity-download-content {
            flex: 1;
        }

        .clarity-download-title {
            font-family: var(--serif);
            font-size: 1.1rem;
            font-weight: 500;
            margin-bottom: 0.3rem;
            color: var(--ivoire);
        }

        .clarity-download-meta {
            font-size: 0.8rem;
            opacity: 0.7;
            letter-spacing: 0.5px;
        }

        /* Section Vision */
        .vision-section {
            padding: 7rem 5%;
            background: var(--ivoire);
        }

        .vision-container {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 6rem;
            align-items: start;
        }

        .vision-content h2 {
            font-family: var(--serif);
            font-size: 3rem;
            font-weight: 300;
            margin-bottom: 1.5rem;
            color: var(--noir);
            letter-spacing: -0.5px;
            line-height: 1.15;
        }

        .vision-subtitle {
            font-family: var(--serif);
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 1.2rem;
            color: var(--bordeaux-principal);
        }

        .vision-text {
            font-size: 1rem;
            color: var(--ardoise);
            line-height: 1.65;
            margin-bottom: 1rem;
            font-weight: 300;
        }

        .vision-list {
            list-style: none;
            margin-top: 1rem;
        }

        .vision-list li {
            padding-left: 2rem;
            margin-bottom: 0.6rem;
            position: relative;
            font-size: 1rem;
            color: var(--ardoise);
            line-height: 1.55;
        }

        .vision-list li::before {
            content: '•';
            position: absolute;
            left: 0;
            color: var(--rouge-ovision);
            font-weight: bold;
        }

        .mission-box {
            background: var(--blanc-casse);
            padding: 3.5rem;
            border-left: 3px solid var(--rouge-ovision);
        }

        .mission-box h3 {
            font-family: var(--serif);
            font-size: 1.8rem;
            font-weight: 500;
            margin-bottom: 1rem;
            color: var(--noir);
        }

        /* Section Approche */
        .approach-section {
            padding: 6rem 5%;
            background: var(--blanc-casse);
        }

        .approach-container {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 6rem;
        }

        .approach-title {
            font-family: var(--serif);
            font-size: 3rem;
            font-weight: 300;
            margin-bottom: 1.5rem;
            color: var(--noir);
        }

        .approach-subtitle {
            font-family: var(--serif);
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 1.5rem;
            color: var(--bordeaux-principal);
        }

        .approach-item {
            margin-bottom: 1.5rem;
        }

        .approach-item-title {
            font-weight: 600;
            font-size: 1rem;
            color: var(--noir);
            margin-bottom: 0.3rem;
        }

        .approach-item-text {
            font-size: 0.95rem;
            color: var(--gris-ovision);
            line-height: 1.55;
        }

        .engagement-box {
            background: white;
            padding: 3.5rem;
            border-left: 3px solid var(--rouge-ovision);
        }

        .engagement-box h2 {
            font-family: var(--serif);
            font-size: 2.2rem;
            font-weight: 400;
            margin-bottom: 1rem;
            color: var(--noir);
        }

        /* Services */
        .services {
            padding: 7rem 5%;
            background: var(--ivoire);
        }

        .section-header {
            max-width: 800px;
            margin: 0 auto 4rem;
            text-align: center;
        }

        .section-title {
            font-family: var(--serif);
            font-size: 3rem;
            font-weight: 300;
            margin-bottom: 1rem;
            color: var(--noir);
            letter-spacing: -0.5px;
        }

.service-title a {
    color: inherit;
    text-decoration: none;
}

.service-title a:hover {
    color: var(--rouge-ovision);
}
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--ardoise);
            line-height: 1.6;
            font-weight: 300;
        }

        .services-grid {
            max-width: 1600px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 0;
            border: 1px solid rgba(164, 49, 58, 0.15);
        }

        .service-card {
            padding: 3rem 3rem;
            border-right: 1px solid rgba(164, 49, 58, 0.15);
            border-bottom: 1px solid rgba(164, 49, 58, 0.15);
            background: var(--blanc-casse);
            transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgba(164, 49, 58, 0.03) 0%, transparent 50%);
            opacity: 0;
            transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .service-card:hover::before {
            opacity: 1;
        }

        .service-card:nth-child(3n) {
            border-right: none;
        }

        .service-card:hover {
            background: var(--ivoire);
            transform: scale(1.02);
            z-index: 10;
            box-shadow: 0 30px 80px rgba(109, 76, 76, 0.12);
        }

        .service-icon {
            width: 52px;
            height: 52px;
            background: rgba(164, 49, 58, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.5rem;
        }

        .service-icon svg {
            width: 26px;
            height: 26px;
            fill: var(--rouge-ovision);
        }

        .service-title {
            font-family: var(--serif);
            font-size: 1.6rem;
            font-weight: 500;
            margin-bottom: 0.8rem;
            color: var(--noir);
            line-height: 1.2;
        }

        .service-description {
            font-size: 0.95rem;
            color: var(--ardoise);
            line-height: 1.55;
            margin-bottom: 0.8rem;
            font-weight: 400;
        }

        .service-details {
            font-size: 0.9rem;
            color: var(--gris-ovision);
            line-height: 1.55;
            font-weight: 300;
        }

        /* Contact */
        .contact {
            padding: 7rem 5% 5rem;
            background: var(--blanc-casse);
        }

        .contact-container {
            max-width: 1200px;
            margin: 0 auto;
        }

        .contact-intro {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 4rem;
        }

        .contact-intro h2 {
            font-family: var(--serif);
            font-size: 3rem;
            font-weight: 300;
            margin-bottom: 1rem;
            color: var(--noir);
        }

        .contact-intro p {
            font-size: 1.05rem;
            color: var(--ardoise);
            line-height: 1.6;
            font-weight: 300;
        }

        .contact-grid {
            display: flex;
            justify-content: center;
            gap: 0;
        }

        .contact-item {
            padding: 3rem 4rem;
            text-align: center;
            background: var(--ivoire);
            border: 1px solid rgba(164, 49, 58, 0.2);
            transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
            max-width: 500px;
 width: 66.67%; 
        }

        .contact-item:last-child {
            border-right: none;
        }

        .contact-item:hover {
            background: var(--blanc-casse);
        }

        .contact-icon {
            font-size: 0.7rem;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--rouge-ovision);
            margin-bottom: 1rem;
        }

        .contact-item h3 {
            font-family: var(--serif);
            font-size: 1.3rem;
            font-weight: 400;
            margin-bottom: 0.8rem;
            color: var(--noir);
        }

        .contact-detail {
            font-size: 0.95rem;
            color: var(--ardoise);
            margin-bottom: 0.3rem;
        }

        .contact-note {
            font-size: 0.8rem;
            color: var(--ardoise);
            opacity: 0.7;
            font-style: italic;
        }

        /* CTA Final */
        .final-cta {
            padding: 6rem 5%;
            background: var(--bordeaux-principal);
            color: var(--ivoire);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .final-cta::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgba(164, 49, 58, 0.1) 0%, transparent 50%);
        }

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

        .final-cta h2 {
            font-family: var(--serif);
            font-size: 3.2rem;
            font-weight: 300;
            margin-bottom: 1.5rem;
            color: var(--ivoire);
            line-height: 1.2;
        }

        .final-cta p {
            font-size: 1.1rem;
            margin-bottom: 2.5rem;
            line-height: 1.6;
            font-weight: 300;
            color: var(--ivoire);
            opacity: 0.9;
        }

        .final-cta-btn {
            display: inline-block;
            padding: 1.5rem 4rem;
            border: 1px solid var(--ivoire);
            color: var(--ivoire);
            text-decoration: none;
            font-size: 0.85rem;
            letter-spacing: 2px;
            text-transform: uppercase;
            transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
            font-weight: 400;
        }

        .final-cta-btn:hover {
            background: var(--ivoire);
            color: var(--bordeaux-principal);
            transform: translateY(-3px);
            box-shadow: 0 15px 50px rgba(255, 255, 255, 0.2);
        }

        /* Footer */
        footer {
            background: var(--charbon);
            color: var(--ivoire);
            padding: 4rem 5% 2.5rem;
            border-top: 1px solid rgba(164, 49, 58, 0.2);
        }

        .footer-container {
            max-width: 1600px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 4rem;
            margin-bottom: 3rem;
        }

        .footer-brand h3 {
            font-family: var(--serif);
            font-size: 1.2rem;
            font-weight: 300;
            letter-spacing: 4px;
            text-transform: uppercase;
            margin-bottom: 1.2rem;
            color: var(--rouge-ovision);
        }

        .footer-brand p {
            font-size: 0.88rem;
            line-height: 1.6;
            opacity: 0.7;
            font-weight: 300;
        }

        .footer-section h4 {
            font-size: 0.75rem;
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 1.2rem;
            color: var(--rouge-ovision);
            font-weight: 400;
        }

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

        .footer-section li {
            margin-bottom: 0.6rem;
        }

        .footer-section a {
            color: var(--ivoire);
            text-decoration: none;
            font-size: 0.88rem;
            opacity: 0.7;
            transition: all 0.3s ease;
            font-weight: 300;
        }

        .footer-section a:hover {
            opacity: 1;
            color: var(--rouge-ovision);
        }

        .footer-bottom {
            max-width: 1600px;
            margin: 0 auto;
            padding-top: 2rem;
            border-top: 1px solid rgba(164, 49, 58, 0.2);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .footer-copyright {
            font-size: 0.75rem;
            opacity: 0.5;
            letter-spacing: 1px;
        }

        .footer-legal {
            display: flex;
            gap: 2rem;
        }

        .footer-legal a {
            font-size: 0.75rem;
            color: var(--ivoire);
            text-decoration: none;
            opacity: 0.5;
            transition: opacity 0.3s ease;
            letter-spacing: 1px;
        }

        .footer-legal a:hover {
            opacity: 1;
        }

        /* Responsive */
        @media (max-width: 1200px) {
            .hero h1 { font-size: 3.5rem; }
            .hero-container { grid-template-columns: 1fr; gap: 4rem; }
            .services-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            
            .logo-image {
                height: 50px;
            }

            .nav-container {
                padding: 1rem 4%;
            }
            
            .hero {
                padding: 3rem 4% 2rem;
                margin-top: 80px;
            }

            .hero h1 { 
                font-size: 2.2rem;
                line-height: 1.2;
            }

            .hero-description {
                font-size: 1rem;
            }

            .hero-buttons {
                flex-direction: column;
                gap: 1rem;
            }

            .btn-primary, .btn-secondary {
                width: 100%;
                text-align: center;
                justify-content: center;
            }

            .hero-features {
                padding: 2rem 1.5rem;
            }

            .clarity-section {
                padding: 4rem 4%;
            }

            .clarity-container h2 {
                font-size: 2.2rem;
            }

            .clarity-text {
                font-size: 1rem;
            }

            .clarity-download {
                padding: 1.5rem;
                margin-top: 2rem;
            }

            .clarity-download-link {
                gap: 1rem;
            }

            .clarity-download-icon {
                width: 40px;
                height: 40px;
            }

            .clarity-download-title {
                font-size: 1rem;
            }

            .vision-section,
            .approach-section,
            .services {
                padding: 4rem 4%;
            }
            
            .services-grid,
            .contact-grid,
            .vision-container,
            .approach-container,
            .footer-container {
                grid-template-columns: 1fr;
            }

            .service-card {
                border-right: none;
                border-bottom: 1px solid rgba(164, 49, 58, 0.15);
            }

            .service-card:last-child {
                border-bottom: none;
            }

            .contact-item {
                border-right: none;
                border-bottom: 1px solid rgba(164, 49, 58, 0.2);
            }

            .contact-item:last-child {
                border-bottom: none;
            }

            .footer-container {
                padding: 0 4%;
            }

            .footer-bottom {
                flex-direction: column;
                gap: 2rem;
                text-align: center;
            }
        }

        /* Scroll Reveal */
        .reveal {
            opacity: 1;
            transform: translateY(0);
            transition: all 1s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .reveal.active {
            opacity: 1;
            transform: translateY(0);
        }