function ScrollToSection() {
    const sectionRef = useRef(null);

    const scrollToSection = () => {
        sectionRef.current.scrollIntoView({ behavior: 'smooth' });
    };

    return (
        <div>
            <button onClick={scrollToSection}>Aller à la section</button>

            {/* ... beaucoup de contenu ... */}

            <section ref={sectionRef}>
                <h2>Section cible</h2>
            </section>
        </div>
    );
}