:root {
            --text-color: #111;
            --bg-color: #fff;
            --accent: #000;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            background-color: var(--bg-color);
            color: var(--text-color);
            line-height: 1.6;
            font-size: 16px;
        }

        /* Bouton retour */
        .button_retour {
            position: fixed;
            top: 2rem;
            left: 2rem;
            background: rgba(255, 255, 255, 0.9);
            border: 1px solid #ddd;
            padding: 0.75rem 1.5rem;
            cursor: pointer;
            z-index: 100;
            transition: background 0.3s;
        }

        .button_retour:hover {
            background: #fff;
            transform: translateX(-5px);
        }

        .button_retour a {
            font-family: 'Open Sans', sans-serif;
            text-decoration: none;
            color: #111;
            font-size: 0.9rem;
            font-weight: 400;
            letter-spacing: 1px;
        }

        /* Section principale */
        #atelier {
            padding: 8rem 4rem 4rem;
            max-width: 1400px;
            margin: 0 auto;
        }

        #atelier > h2 {
            font-family: 'Cormorant Garamond', serif;
            font-size: 1rem;
            font-weight: 400;
            letter-spacing: 3px;
            text-transform: uppercase;
            margin-bottom: 3rem;
            text-align: left;
        }
        
        /* Blocs de contenu */
        #atelier > div {
            margin-bottom: 6rem;
            scroll-margin-top: 100px;
        }

        #atelier h1 {
            font-family: 'Cormorant Garamond', serif;
            font-weight: 400;
            font-size: 3.5rem;
            letter-spacing: -1px;
            text-align: left;
            margin-bottom: 2rem;
            color: #111;
        }

        #atelier h4 {
            font-family: 'Cormorant Garamond', serif;
            font-weight: 700;
            font-size: 1.3rem;
            letter-spacing: 0.5px;
            margin-top: 2rem;
            margin-bottom: 0.75rem;
            text-align: left;
            max-width: 900px;
            color: #111;
        }

        #atelier h4:first-of-type {
            margin-top: 0;
        }

        #atelier p {
            font-family: 'Open Sans', sans-serif;
            font-weight: 300;
            font-size: 1rem;
            line-height: 1.8;
            max-width: 800px;
            text-align: left;
            color: #333;
        }

        /* Responsive */
        @media (max-width: 768px) {
            #atelier {
                padding: 6rem 2rem 2rem;
            }

            .button_retour {
                top: 1rem;
                left: 1rem;
                padding: 0.5rem 1rem;
            }

            #atelier h1 {
                font-size: 2.5rem;
            }

            #atelier h4 {
                font-size: 1.1rem;
            }

            .atelier-nav {
                padding: 1rem 0;
            }

            .atelier-nav ul {
                gap: 1rem;
            }

            .atelier-nav a {
                font-size: 0.85rem;
            }
        }