/* --- 1. Polices --- */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;700&family=Lato:wght@300;400;700&family=Cormorant+Garamond:wght@700&display=swap');

/* --- 2. Couleurs --- */
:root {
    --color-gold: #c5a778;
    --color-background: #1a1a1a; /* Fond sombre principal */
    --color-surface: #2c2c2c; /* Surface des cartes et sections */
    --color-text-primary: #f5f5f5; /* Texte principal et titres */
    --color-text-secondary: #b0b0b0; /* Texte secondaire, paragraphes */
    --color-border: #444444;
    --shadow: rgba(0, 0, 0, 0.2);
}

/* --- 3. Base et typographie générale --- */
body {
    font-family: 'Lato', sans-serif;
    background-color: var(--color-background);
    color: var(--color-text-secondary);
    margin: 0;
    padding: 0;
    line-height: 1.9;
    font-size: 19px;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Cormorant Garamond', serif;
    font-weight: 700;
    color: var(--color-text-primary);
    letter-spacing: 0.5px;
}

h1 {
    font-size: 4rem;
    margin-bottom: 2rem;
}

h2 {
    font-size: 2.8rem;
    margin-top: 4rem;
    margin-bottom: 2.5rem;
    border-bottom: none;
    padding-bottom: 1.5rem;
    position: relative;
    text-align: center;
}

    h2::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 50%;
        transform: translateX(-50%);
        width: 80px;
        height: 2px;
        background-color: var(--color-gold);
    }

h3 {
    font-size: 1.8rem;
    margin-top: 3rem;
}

h4 {
    font-size: 1.2rem;
    font-weight: 700;
    font-family: 'Lato', sans-serif;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-gold);
    margin-top: 2.5rem;
}

p {
    margin-bottom: 1.5rem;
    color: var(--color-text-secondary);
}

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

/* --- 4. Logo et En-tête --- */
.site-brand {
    font-family: 'Cormorant Garamond', serif;
}

    .site-brand a {
        text-decoration: none;
        color: var(--color-text-primary);
        font-size: 2rem;
        transition: color 0.3s ease;
        letter-spacing: 1px;
    }

        .site-brand a:hover {
            color: var(--color-gold);
        }

header {
    padding: 1.5rem 3rem;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-sizing: border-box;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: padding 0.3s ease;
}

nav#main-nav {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(44, 44, 44, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 0.75rem 2rem;
    border-radius: 50px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

    nav#main-nav a {
        color: var(--color-text-primary);
        text-decoration: none;
        font-weight: 400;
        font-size: 1.1rem;
        padding: 0.5rem 0;
        transition: color 0.3s ease;
        position: relative;
    }

        nav#main-nav a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 1px;
            bottom: 0;
            left: 0;
            background-color: var(--color-gold);
            transition: width 0.3s ease;
        }

        nav#main-nav a:hover,
        nav#main-nav a:focus {
            color: var(--color-gold);
        }

            nav#main-nav a:hover::after {
                width: 100%;
            }

/* --- 5. Section Hero (Page d'accueil) --- */
.hero {
    background-image: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('images/accueil.jpg');
    background-color: var(--color-dark);
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 4rem 2rem;
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
}

    .hero h1 {
        color: #fff;
        text-shadow: 0 2px 15px rgba(0,0,0,0.4);
    }

    .hero p {
        color: rgba(255, 255, 255, 0.95);
        font-weight: 300;
        max-width: 700px;
        margin-left: auto;
        margin-right: auto;
        font-size: 1.25rem;
    }

    .hero .cta-button {
        margin-top: 2.5rem;
    }

/* --- 6. Contenu Principal --- */
main {
    max-width: 1100px;
    padding: 4rem 2rem;
    margin: 4rem auto;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    box-shadow: 0 15px 35px var(--shadow);
    border-radius: 12px;
}

/* --- 7. Galerie des Chambres --- */
.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 4rem;
}

figure {
    background: transparent;
    box-shadow: none;
    border: 1px solid var(--color-border);
    transition: box-shadow 0.4s ease;
    border-radius: 12px;
    overflow: hidden;
}

    figure:hover {
        transform: none;
        box-shadow: 0 15px 50px var(--shadow);
    }

.room-images {
    padding: 0;
    border-bottom: 1px solid var(--color-border);
    margin-top: 0;
}

    .room-images img {
        transition: transform 0.4s ease;
        cursor: pointer;
        width: 100%;
        height: 300px;
        object-fit: cover;
    }

figure:hover .room-images img {
    transform: scale(1.05);
}

figcaption {
    font-family: 'Cormorant Garamond', serif;
    font-weight: 700;
    color: var(--color-text-primary);
    letter-spacing: 1px;
    padding: 1.5rem;
    font-size: 2rem;
    text-align: center;
    background-color: var(--color-background);
}

p.room-description-text {
    padding: 1.5rem;
}

/* --- 8. Tableau des Tarifs --- */
.table-responsive {
    border: 1px solid var(--color-border);
    border-radius: 12px;
    overflow: hidden;
}

    .table-responsive table {
        box-shadow: none;
        width: 100%;
        border-collapse: collapse;
    }

table th, table td {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--color-border);
}

table th {
    background-color: transparent;
    color: var(--color-text-primary);
    font-family: 'Lato', sans-serif;
    font-weight: 700;
    text-transform: none;
    font-size: 0.9rem;
    letter-spacing: 1px;
    text-align: center;
}

    table th:first-child {
        text-align: left;
    }

table td:first-child {
    text-align: left;
}

table td:not(:first-child) {
    text-align: center;
}

table tr:last-child td {
    border-bottom: none;
}

table tr:nth-child(even) {
    background-color: transparent;
}

table tr:hover {
    background-color: #3a3a3a;
}

/* --- 9. Bouton d'Appel à l'Action --- */
.cta-button {
    background-color: var(--color-gold);
    color: #1a1a1a;
    padding: 1rem 2.5rem;
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    border: 1px solid var(--color-gold);
    transition: all 0.3s ease;
    display: inline-block;
    text-align: center;
    border-radius: 50px;
    text-decoration: none;
}

    .cta-button:hover {
        background-color: transparent;
        border-color: var(--color-gold);
        color: var(--color-gold);
        transform: translateY(-2px);
        box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    }

/* --- 10. Footer --- */
footer {
    text-align: center;
    padding: 4rem 2rem;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    border-top: 1px solid var(--color-border);
    margin-top: 4rem;
    background-color: transparent;
}

/* --- 11. Lightbox --- */
.lightbox-overlay {
    background-color: rgba(26, 26, 26, 0.95);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

    .lightbox-overlay.visible {
        opacity: 1;
        visibility: visible;
    }

.lightbox-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
}

    .lightbox-content img {
        border-radius: 4px;
        width: 100%;
        height: 100%;
        object-fit: contain;
    }

.lightbox-close {
    color: #fff;
    font-size: 4rem;
    top: 1rem;
    right: 2rem;
    font-weight: 300;
    position: absolute;
    cursor: pointer;
    z-index: 2002;
}

.lightbox-nav {
    background-color: rgba(44, 44, 44, 0.5);
    color: #fff;
    border: none;
    font-size: 3rem;
    cursor: pointer;
    padding: 0.5rem 1.5rem;
    z-index: 2001;
    transition: background-color 0.3s ease;
    font-weight: 300;
    line-height: 1;
    user-select: none;
    border-radius: 8px;
}

    .lightbox-nav:hover {
        background-color: rgba(44, 44, 44, 0.8);
    }

#lightbox-prev {
    left: 1rem;
}

#lightbox-next {
    right: 1rem;
}

/* --- 12. Style de l'élément de menu actif --- */
.page-a-propos nav#main-nav a[href="a-propos.html"],
.page-nos-chambres nav#main-nav a[href="nos-chambres.html"],
.page-tarifs nav#main-nav a[href="tarifs.html"],
.page-contact nav#main-nav a[href="contact.html"] {
    color: var(--color-gold);
}

    .page-a-propos nav#main-nav a[href="a-propos.html"]::after,
    .page-nos-chambres nav#main-nav a[href="nos-chambres.html"]::after,
    .page-tarifs nav#main-nav a[href="tarifs.html"]::after,
    .page-contact nav#main-nav a[href="contact.html"]::after {
        width: 100%;
    }

/* --- 13. Styles pour les détails de contact --- */
.contact-details a {
    color: var(--color-text-secondary);
    text-decoration: none;
    border-bottom: 1px solid var(--color-border);
    transition: color 0.3s ease, border-color 0.3s ease;
}

    .contact-details a:hover {
        color: var(--color-gold);
        border-color: var(--color-gold);
    }

.info-layout {
    display: flex;
    gap: 3rem;
    align-items: center;
    margin-top: 2.5rem;
    margin-bottom: 3rem;
}

    .info-layout .info-text {
        flex: 1;
    }

    .info-layout .info-image {
        flex: 1;
    }

        .info-layout .info-image img {
            border-radius: 12px;
            width: 100%;
        }

iframe {
    filter: invert(0.9) hue-rotate(180deg);
    border-radius: 12px;
}

/* --- 14. Styles pour tablettes et mobiles --- */
#menu-toggle {
    display: none;
}

@media (max-width: 1125px) {
    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    header {
        padding: 1rem 1.5rem;
        background: var(--color-surface);
        box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    }

    .hero {
        min-height: 60vh;
    }

    main {
        padding: 2rem 1rem;
        border: none;
        box-shadow: none;
        margin-top: 2rem;
        border-radius: 0;
    }

    .site-brand a {
        font-size: 1.2rem;
    }

    #menu-toggle {
        display: block;
        position: relative;
        z-index: 1100;
        background-color: transparent;
        border: none;
        cursor: pointer;
        width: 48px;
        height: 48px;
        padding: 0;
    }

        #menu-toggle .hamburger,
        #menu-toggle .hamburger::before,
        #menu-toggle .hamburger::after {
            content: '';
            display: block;
            background-color: var(--color-text-primary);
            height: 2px;
            width: 20px;
            border-radius: 2px;
            position: absolute;
            left: 50%;
            top: 50%;
            transform: translate(-50%, -50%);
            transition: all 0.3s ease-in-out;
        }

            #menu-toggle .hamburger::before {
                transform: translate(-50%, -7px);
            }

            #menu-toggle .hamburger::after {
                transform: translate(-50%, 5px);
            }

        #menu-toggle.open .hamburger {
            background-color: transparent;
        }

            #menu-toggle.open .hamburger::before {
                transform: translate(-50%, -50%) rotate(45deg);
            }

            #menu-toggle.open .hamburger::after {
                transform: translate(-50%, -50%) rotate(-45deg);
            }

    nav#main-nav {
        position: static;
        transform: none;
        background: transparent;
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        padding: 0;
        border-radius: 0;
        box-shadow: none;
        display: none;
    }

        nav#main-nav.open {
            display: flex;
            position: fixed;
            top: 0;
            left: 0;
            height: 100vh;
            width: 100%;
            background: var(--color-surface);
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 2rem;
            z-index: 1050;
        }

            nav#main-nav.open a {
                color: var(--color-text-primary);
                font-size: 1.8rem;
            }

    .page-a-propos nav#main-nav.open a[href="a-propos.html"],
    .page-nos-chambres nav#main-nav.open a[href="nos-chambres.html"],
    .page-tarifs nav#main-nav.open a[href="tarifs.html"],
    .page-contact nav#main-nav.open a[href="contact.html"] {
        color: var(--color-gold);
    }

    .gallery {
        grid-template-columns: 1fr;
    }

    .table-responsive {
        border: none;
    }

        .table-responsive tr {
            border: 1px solid var(--color-border);
            border-radius: 0;
            box-shadow: none;
        }

    .cta-button {
        width: 100%;
        padding: 1rem 0.5rem;
        font-size: 1rem;
        line-height: 1.5;
        box-sizing: border-box;
    }

    .lightbox-nav {
        padding: 0.2rem 1rem;
    }

    #lightbox-prev {
        left: 0.5rem;
    }

    #lightbox-next {
        right: 0.5rem;
    }

    .info-layout {
        flex-direction: column;
    }

        .info-layout .info-image {
            margin-top: 2rem;
        }
}

/* --- 15. Bouton de retour en haut --- */
#back-to-top-btn {
    display: none;
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background-color: var(--color-surface);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    cursor: pointer;
    z-index: 999;
    transition: opacity 0.3s ease, visibility 0.3s ease, background-color 0.3s ease;
    text-decoration: none;
    justify-content: center;
    align-items: center;
}

    #back-to-top-btn:hover {
        background-color: var(--color-gold);
        color: var(--color-surface);
        border-color: var(--color-gold);
    }

/* --- 16. Animations au défilement --- */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

    .fade-in.visible {
        opacity: 1;
        transform: translateY(0);
    }