:root {
            --medical-blue: #005596;      /* Bleu Médical Pur */
            --deep-navy: #0a2540;        /* Bleu Nuit Confiance */
            --soft-blue: #eef5fb;        /* Fond de section */
            --accent-cyan: #00aec7;      /* Cyan Technologique */
            --text-grey: #4a5568;
            --white: #ffffff;
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            line-height: 1.8;
            color: var(--text-grey);
            margin: 0;
            background-color: var(--white);
        }

        /* Header Premium */
        header {
            background: linear-gradient(135deg, var(--deep-navy) 0%, var(--medical-blue) 100%);
            color: white;
            padding: 100px 20px;
            text-align: center;
            clip-path: polygon(0 0, 100% 0, 100% 90%, 0 100%);
        }

        .container { max-width: 1050px; margin: 0 auto; padding: 0 20px; }

        h1 { font-size: 2.8rem; margin: 0; font-weight: 700; letter-spacing: -1px; }
        h2 { color: var(--deep-navy); font-size: 2rem; margin-top: 50px; border-bottom: 2px solid var(--soft-blue); padding-bottom: 10px; }
        h3 { color: var(--medical-blue); font-size: 1.4rem; }

        .image-container {
            margin: 40px 0;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 20px 40px rgba(0,0,0,0.1);
            background: var(--soft-blue);
        }

        .img-placeholder {
            width: 100%;
            height: auto;
            display: block;
        }

        /* SEO Content Grid */
        .benefits-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
            margin: 40px 0;
        }

        .benefit-card {
            padding: 30px;
            border: 1px solid #e2e8f0;
            border-radius: 12px;
            background: var(--white);
            border-top: 4px solid var(--medical-blue);
        }

        /* Backlink Style */
        .product-link {
            color: var(--medical-blue);
            text-decoration: none;
            font-weight: 700;
            border-bottom: 2px solid var(--accent-cyan);
            transition: 0.3s;
        }

        .product-link:hover { background: var(--soft-blue); }

        /* FAQ Styling */
        .faq-wrapper {
            background: var(--soft-blue);
            padding: 80px 0;
            margin-top: 60px;
        }

        .faq-item {
            background: white;
            margin-bottom: 15px;
            padding: 25px;
            border-radius: 8px;
            box-shadow: 0 4px 6px rgba(0,0,0,0.02);
        }

        .faq-q {
            font-weight: 700;
            color: var(--deep-navy);
            display: block;
            margin-bottom: 10px;
        }

        /* CTA */
        .cta-section {
            text-align: center;
            padding: 80px 0;
        }

        .btn-medical {
            background: var(--accent-cyan);
            color: white;
            padding: 18px 40px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 700;
            font-size: 1.1rem;
            box-shadow: 0 10px 20px rgba(0,174,199,0.3);
            transition: 0.3s;
        }

        .btn-medical:hover { transform: translateY(-3px); box-shadow: 0 15px 25px rgba(0,174,199,0.4); }

        @media (max-width: 768px) {
            h1 { font-size: 2rem; }
        }