/* Focus visible for accessibility */
a:focus,
button:focus,
.cta-button:focus,
.cta-button-final:focus,
.skip-link:focus,
.footer-section a:focus,
.social-links a:focus,
.legal-info a:focus {
    outline: 2px solid #007bff;
    outline-offset: 2px;
    border-radius: 4px;
}

/* High contrast mode */
@media (prefers-contrast: high) {
    body {
        background: #000000;
        color: #ffffff;
    }

    header {
        background: #000000;
        border-bottom: 2px solid #ffffff;
    }

    .navbar a,
    .nav-links a {
        color: #ffffff;
    }

    .hero {
        background: #000000;
        color: #ffffff;
    }

    .cta-button,
    .cta-button-final {
        background: #ffffff;
        color: #000000;
        border: 2px solid #ffffff;
    }

    .service-card,
    .client-card {
        background: #000000;
        border: 2px solid #ffffff;
        color: #ffffff;
    }

    .service-card p,
    .client-card p,
    .atout-item p,
    .process-step p {
        color: #ffffff;
    }

    .atouts,
    .clients {
        background: #000000;
    }

    .section-title,
    .section-title::after {
        color: #ffffff;
        background: #ffffff;
    }

    footer {
        background: #000000;
        border-top: 4px solid #ffffff;
    }

    .footer-section h3,
    .footer-section h4 {
        color: #ffffff;
        border-bottom-color: #ffffff;
    }

    .footer-tagline,
    .footer-description,
    .footer-section a,
    .legal-info a {
        color: #ffffff;
    }

    .social-links a {
        background: #333333;
        border: 2px solid #ffffff;
        color: #ffffff;
    }
}