/* --- VARIABLES ET RÉGLAGES DE BASE --- */
        :root {
            --copper: #c5a059;
            --copper-low: rgba(197, 160, 89, 0.15);
            --copper-mid: rgba(197, 160, 89, 0.4);
            --bg-dark: #0a0a0a;
        }

        body {
            background-color: var(--bg-dark);
            color: var(--copper);
            font-family: 'Inter', sans-serif;
            overflow-x: hidden;
            margin: 0;
            display: flex;
            flex-direction: column;
            min-height: 100vh; /* Occupe au moins toute la hauteur de l'écran */
        }

        .serif {
            font-family: 'Playfair Display', serif;
        }

                /* --- BOUTON PLEIN ÉCRAN (NOUVEAUTÉ) --- */
        .fullscreen-btn {
            position: fixed;
            top: 2rem;
            right: 2rem;
            z-index: 50;
            background: rgba(0, 0, 0, 0.3);
            border: 1px solid var(--copper-low);
            color: var(--copper);
            width: 45px;
            height: 45px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.4s ease;
            backdrop-filter: blur(4px);
        }

        .fullscreen-btn:hover {
            border-color: var(--copper);
            background: rgba(197, 160, 89, 0.1);
            transform: scale(1.05);
        }

        /* --- ENTÊTE (HEADER) --- */
        header {
            padding-bottom: 2rem;  /* Équivalent pb-8 */
            text-align: center;
        }

        /* Titre principal */
        .main-title {
            font-size: 3rem;       /* Équivalent text-5xl */
            letter-spacing: 0.2em;
            text-transform: uppercase;
            margin-bottom: 10px; /* Équivalent mb-6 */
            font-weight: normal;
        }

        /* Sous-titre */
        .subtitle {
            font-size: 0.875rem;   /* Équivalent text-sm */
            letter-spacing: 0.5em;
            text-transform: uppercase;
            opacity: 0.5;
        }

        /* Responsive : écran moyen et plus (md:) */
        @media (min-width: 768px) {
            .main-title { font-size: 6rem; }      /* Équivalent md:text-8xl */
            .wrapper { padding-left: 0; padding-right: 0; } /* Équivalent md:px-0 */
        }

        /* --- SECTION PRINCIPALE (MAIN) --- */
        main {
            flex-grow: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding-left: 1.5rem;  /* Équivalent px-6 */
            padding-right: 1.5rem;
            padding-top: 2rem;     /* Équivalent py-8 */
            padding-bottom: 2rem;
        }

        /* --- CARROUSEL --- */
        .carousel-container {
            position: relative;
            width: 100%;
            max-width: 1000px;
            aspect-ratio: 16 / 10;
            margin: 0 auto;
            border: 1px solid var(--copper-low);
            border-radius: 8px; 
            overflow: hidden;
            box-shadow: 0 30px 60px -12px rgba(0, 0, 0, 0.9);
        }

        .carousel-slide {
            position: absolute;
            inset: 0;
            opacity: 0;
            transition: opacity 1.5s cubic-bezier(0.4, 0, 0.2, 1);
            background-size: cover;
            background-position: center;
        }

        .carousel-slide.active {
            opacity: 1;
        }

        /* --- BOUTONS DE NAVIGATION (FLÈCHES) --- */
        .nav-btn {
            background: rgba(0, 0, 0, 0.4);
            color: var(--copper);
            backdrop-filter: blur(8px);
            transition: all 0.4s ease;
            border: 1px solid var(--copper-low);
            /* Positionnement et taille (remplace les classes Tailwind) */
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            width: 3.5rem;  /* Équivalent w-14 */
            height: 3.5rem; /* Équivalent h-14 */
            border-radius: 9999px; /* Équivalent rounded-full */
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 10;
            opacity: 0; /* Caché par défaut */
            cursor: pointer;
        }

        .nav-btn-left { left: 1.5rem; }  /* Équivalent left-6 */
        .nav-btn-right { right: 1.5rem; } /* Équivalent right-6 */

        /* Effet de survol du groupe : affiche les flèches */
        .carousel-container:hover .nav-btn {
            opacity: 1;
        }

        .nav-btn:hover {
            border: 1px solid var(--copper);
            background: rgba(197, 160, 89, 0.1);
            transform: translateY(-50%) scale(1.1);
        }

        /* Effet de rebond au clic */
        .nav-btn:active {
            animation: bounce 0.4s ease;
        }

        @keyframes bounce {
            0%, 100% {
                transform: translateY(-50%) scale(1);
            }
            25% {
                transform: translateY(-50%) scale(0.85);
            }
            50% {
                transform: translateY(-50%) scale(1.05);
            }
            75% {
                transform: translateY(-50%) scale(0.95);
            }
        }

        /* --- BOUTON PAUSE --- */
        .pause-control {
            position: absolute;
            bottom: 20px;
            right: 20px;
            z-index: 20;
            background: rgba(0, 0, 0, 0.3);
            border: 1px solid var(--copper-low);
            color: var(--copper);
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.4s ease;
            backdrop-filter: blur(4px);
            opacity: 0;
        }

        .carousel-container:hover .pause-control {
            opacity: 1;
        }

        .pause-control:hover {
            border-color: var(--copper);
            background: rgba(197, 160, 89, 0.1);
            transform: scale(1.1);
        }

        /* --- TEXTES ET LÉGENDES --- */
        .caption-container {
            margin-top: 3rem; /* Équivalent mt-12 */
            text-align: center;
        }

        .caption-title {
            font-size: 1.875rem; /* Text-3xl */
            letter-spacing: 0.05em; /* Tracking-wide */
            opacity: 0.9;
            text-transform: uppercase;
            margin-top: 0px;
            margin-bottom: 10px;
        }
        
        @media (min-width: 768px) {
            .caption-title { font-size: 2.25rem; } /* Text-4xl */
        }

        .caption-year {
            font-size: 0.875rem;
            letter-spacing: 0.4em;
            opacity: 0.4;
            margin-top: 0px;
        }

        .caption-price {
            font-size: 1.125rem;
            letter-spacing: 0.2em;
            opacity: 0.8;
            margin-top: 30px;
            margin-bottom: 0px;
        }

        /* --- PIED DE PAGE (FOOTER) --- */
        footer {
            padding-top: 3rem;    /* pt-12 */
            padding-bottom: 4rem; /* pb-16 */
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 4rem;            /* gap-16 */
        }

        .footer-content {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 3.5rem;          /* gap-14 */
            text-align: center;
        }

        /* Bouton "Acheter" */
        .purchase-btn {
            position: relative;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 1.5rem 3.5rem;
            color: var(--copper);
            letter-spacing: 0.3em;
            overflow: hidden;
            transition: all 0.6s cubic-bezier(0.23, 1, 0.32, 1);
            border: 1px solid var(--copper-mid);
            border-radius: 4px;
            background: transparent;
            text-decoration: none;
            /* Typographie */
            font-size: 1.25rem; /* text-xl */
            text-transform: uppercase;
        }

        @media (min-width: 768px) {
            .purchase-btn { font-size: 1.5rem; } /* text-2xl */
        }

        .purchase-btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(197, 160, 89, 0.12), transparent);
            transition: all 0.6s;
        }

        .purchase-btn:hover {
            border-color: var(--copper);
            letter-spacing: 0.25em;
            background: rgba(197, 160, 89, 0.04);
            color: #ffffff;
        }

        .purchase-btn:hover::before { left: 100%; }

        /* Flèche animée dans le bouton */
        .purchase-btn .arrow {
            width: 0;
            opacity: 0;
            transition: all 0.5s ease;
            transform: translateX(-10px);
            stroke: var(--copper);
        }

        .purchase-btn:hover .arrow {
            width: 24px;
            opacity: 1;
            margin-left: 15px;
            transform: translateX(0);
            stroke: #ffffff;
        }

        /* Navigation secondaire (liens) */
        .nav-links {
            display: flex;
            gap: 3rem; /* gap-12 */
            font-size: 0.75rem; /* text-xs */
            letter-spacing: 0.3em;
            text-transform: uppercase;
        }

        .premium-link {
            position: relative;
            text-decoration: none;
            color: var(--copper);
            opacity: 0.7;
            transition: all 0.3s ease;
            font-family: 'Playfair Display', serif;
            font-size: 18px;
            padding: 10px;
        }

        .premium-link:hover { opacity: 1; }
        .premium-link::after {
            content: '';
            position: absolute;
            width: 0;
            height: 1px;
            bottom: -4px;
            left: 0;
            background-color: var(--copper);
            transition: width 0.5s ease;
        }
        .premium-link:hover::after { width: 100%; }

        /* Copyright */
        .footer-legal {
            font-size: 11px;
            letter-spacing: 0.5em;
            text-transform: uppercase;
            text-align: center;
            opacity: 0.3;
        }

        /* --- ANIMATIONS --- */
        .fade-in { animation: fadeIn 1.5s ease forwards; }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(15px); }
            to { opacity: 1; transform: translateY(0); }
        }