/* =========================================
   1. BASE & VARIABLES
========================================= */
:root {
    --bg-color: #0e0e10;
    --surface-color: #16161a;
    --text-color: #f4f2ee;
    --text-secondary: #8a8a90;
    --accent-color: #c8a96a;          /* champagne / or discret */
    --accent-soft: rgba(200, 169, 106, 0.4);
    --border-color: #26262b;
    --transition-smooth: all 0.5s cubic-bezier(0.25, 1, 0.5, 1);
    --font-display: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'Montserrat', sans-serif;
}

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

html, body {
    overflow-x: clip;
    width: 100%;
    position: relative;
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

body.no-scroll {
    overflow: hidden !important;
    touch-action: none;
}

::selection { background: var(--accent-soft); color: var(--text-color); }

/* --- PROTECTION DES IMAGES --- */
img {
    -webkit-user-drag: none;
    -khtml-user-drag: none;
    -moz-user-drag: none;
    -o-user-drag: none;
    user-drag: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    -webkit-touch-callout: none;
}

/* --- OVERLAY DE TRANSITION --- */
.transition-overlay {
    position: fixed; top: 0; left: 0; width: 100%;
    height: 100vh; height: 100dvh;
    background-color: var(--bg-color); z-index: 9999;
    opacity: 1; transition: opacity 0.6s ease;
}
.transition-overlay.hidden { opacity: 0; pointer-events: none; }

main { animation: fadeInPage 1s cubic-bezier(0.25, 1, 0.5, 1) forwards; }
@keyframes fadeInPage { from { opacity: 0; } to { opacity: 1; } }

/* --- 2. EN-TÊTE & NAVIGATION --- */
header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 2rem clamp(1.5rem, 5%, 5rem); position: sticky; top: 0;
    background: transparent;
    z-index: 100;
}

header::before {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 160%;
    background-color: rgba(14, 14, 16, 0.85);
    backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    z-index: -1;
    mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 1) 55%, rgba(0, 0, 0, 0) 100%);
    -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 1) 55%, rgba(0, 0, 0, 0) 100%);
}

.logo a { text-decoration: none; display: flex; align-items: center; gap: 0.9rem; }
.logo-image { height: 1.7rem; width: auto; display: block; transition: var(--transition-smooth); }
.logo a:hover .logo-image { opacity: 0.8; }
.logo-name {
    font-family: var(--font-display);
    font-size: 1.35rem; font-weight: 500; letter-spacing: 3px;
    color: var(--text-color); text-transform: uppercase; line-height: 1;
    white-space: nowrap;
}

.nav-links { display: flex; list-style: none; gap: 2.2rem; align-items: center; }
.nav-links a {
    color: var(--text-secondary); text-decoration: none; font-size: 0.72rem;
    font-weight: 500; text-transform: uppercase; letter-spacing: 2.5px;
    transition: color 0.4s ease; position: relative; padding-bottom: 5px;
}
.nav-links a::after {
    content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 1px;
    background-color: var(--accent-color); transition: width 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-links a:hover, .nav-links a.active { color: var(--text-color); }

.burger { display: none; cursor: pointer; }
.burger div { width: 24px; height: 1px; background-color: var(--text-color); margin: 6px; transition: var(--transition-smooth); }
.mobile-close-btn { display: none; }

/* --- 3. CONFIGURATION ACCUEIL (body.home) --- */
.home header { position: fixed; width: 100%; }
.home .hero-slider {
    position: relative; width: 100%; height: 100vh; height: 100dvh; overflow: hidden;
    background-color: var(--bg-color);
}

/* --- 4. SLIDER --- */
.slider-container { position: relative; width: 100%; height: 100%; }
.slide {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    opacity: 0; transition: opacity 1.1s cubic-bezier(0.25, 1, 0.5, 1), transform 1.4s cubic-bezier(0.25, 1, 0.5, 1);
    transform: scale(1.06); z-index: 1;
}
.slide.active { opacity: 1; transform: scale(1); z-index: 2; }
.slide img { width: 100%; height: 100%; object-fit: cover; filter: brightness(0.45); }
.slide::after {
    content: ''; position: absolute; inset: 0;
    background: radial-gradient(ellipse at center, rgba(0,0,0,0) 35%, rgba(0,0,0,0.55) 100%);
    z-index: 2;
}

.slide-content {
    position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
    text-align: center; z-index: 3; width: 100%;
}
.slide-overline {
    display: block; font-family: var(--font-body); font-size: 0.7rem;
    letter-spacing: 5px; text-transform: uppercase; color: var(--accent-color);
    margin-bottom: 1.5rem; opacity: 0; transform: translateY(20px);
    transition: all 0.8s cubic-bezier(0.25, 1, 0.5, 1) 0.2s;
}
.slide.active .slide-overline { opacity: 1; transform: translateY(0); }
.slide-title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 9vw, 9rem); font-weight: 500; letter-spacing: 0.06em; margin-bottom: 2.2rem;
    color: var(--text-color); text-transform: uppercase; opacity: 0;
    transform: translateY(40px); transition: all 0.9s cubic-bezier(0.25, 1, 0.5, 1) 0.3s; line-height: 1;
}
.slide.active .slide-title { opacity: 1; transform: translateY(0); }

.slide-link {
    display: inline-block; padding: 0.95rem 3rem; border: 1px solid rgba(244, 242, 238, 0.5);
    color: var(--text-color); text-decoration: none; text-transform: uppercase;
    letter-spacing: 3px; font-size: 0.72rem; opacity: 0; transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.25, 1, 0.5, 1) 0.5s, background-color 0.4s, color 0.4s, border-color 0.4s;
}
.slide.active .slide-link { opacity: 1; transform: translateY(0); }
.slide-link:hover { background-color: var(--accent-color); border-color: var(--accent-color); color: var(--bg-color); }

.slider-controls {
    position: absolute; bottom: 2.8rem; left: 0; width: 100%;
    display: flex; justify-content: center; align-items: center; z-index: 10;
}
.slider-prev, .slider-next {
    position: absolute; font-size: 1.6rem; color: var(--text-color);
    cursor: pointer; transition: var(--transition-smooth); user-select: none;
    width: 48px; height: 48px; display: flex; align-items: center; justify-content: center;
}
.slider-prev { left: 4%; }
.slider-next { right: 4%; }
.slider-prev:hover, .slider-next:hover { color: var(--accent-color); }
.slider-pagination { font-size: 0.78rem; letter-spacing: 4px; color: var(--text-secondary); }
.slider-pagination .current { color: var(--accent-color); }

/* --- 5. GALERIE --- */
.gallery-intro {
    text-align: center; padding: 7rem 5% 1rem;
}
.gallery-intro h1 {
    font-family: var(--font-display); font-weight: 500;
    font-size: clamp(2.2rem, 5vw, 3.6rem); letter-spacing: 0.04em; text-transform: uppercase;
}
.gallery-intro p {
    color: var(--text-secondary); font-size: 0.78rem; letter-spacing: 3px;
    text-transform: uppercase; margin-top: 0.8rem;
}
.gallery-intro .accent-line {
    width: 50px; height: 1px; background: var(--accent-color);
    margin: 1.5rem auto 0;
}

.gallery { padding: 2.5rem clamp(1rem, 5%, 5rem) 5rem; column-count: 3; column-gap: 1.5rem; }
.item {
    break-inside: avoid; margin-bottom: 1.5rem; cursor: pointer; overflow: hidden;
    background-color: var(--surface-color); position: relative; transition: var(--transition-smooth);
}
.item img { width: 100%; height: auto; display: block; filter: grayscale(20%) brightness(0.95); transition: var(--transition-smooth); }
.item::after {
    content: ''; position: absolute; inset: 0;
    box-shadow: inset 0 0 0 1px transparent; transition: box-shadow 0.5s ease;
    pointer-events: none;
}
.item:hover img { transform: scale(1.04); filter: grayscale(0%) brightness(1); }
.item:hover::after { box-shadow: inset 0 0 0 1px var(--accent-soft); }

/* --- 6. CONTACT --- */
.contact-container {
    padding: 9rem 5% 5rem; max-width: 1200px; margin: 0 auto;
    min-height: 80vh; display: flex; align-items: center; gap: 5rem;
}
.contact-image-col { flex: 1; display: flex; justify-content: center; }
.contact-image-col img { width: 100%; max-width: 420px; height: auto; object-fit: contain; }
.contact-text-col { flex: 1; }
.contact-text-col .overline {
    display: block; font-size: 0.7rem; letter-spacing: 4px; text-transform: uppercase;
    color: var(--accent-color); margin-bottom: 1.2rem;
}
.contact-text-col h2 {
    font-family: var(--font-display); font-size: clamp(2rem, 4vw, 3rem); font-weight: 500;
    letter-spacing: 1px; margin-bottom: 1.5rem; line-height: 1.1; text-transform: uppercase;
}
.contact-subtitle { color: var(--text-secondary); font-size: 0.98rem; line-height: 1.8; margin-bottom: 3.5rem; max-width: 520px; }
.contact-info { display: flex; flex-wrap: wrap; gap: 3.5rem; }
.info-block { display: flex; flex-direction: column; gap: 0.6rem; }
.info-block .label { font-size: 0.68rem; text-transform: uppercase; letter-spacing: 2.5px; color: var(--text-secondary); }
.contact-link {
    color: var(--text-color); text-decoration: none; font-size: 1.25rem;
    font-weight: 300; transition: var(--transition-smooth); border-bottom: 1px solid transparent;
    padding-bottom: 2px;
}
.contact-link:hover { color: var(--accent-color); border-bottom-color: var(--accent-color); }

/* --- 7. LIGHTBOX --- */
.lightbox {
    display: none; position: fixed; z-index: 200; left: 0; top: 0; width: 100vw;
    height: 100vh; height: 100dvh;
    background-color: rgba(8, 8, 10, 0.98); justify-content: center; align-items: center;
    opacity: 0; transition: opacity 0.4s ease;
}
.lightbox.active { opacity: 1; }
.lightbox-content {
    max-width: 90vw; max-height: 85vh; width: auto; height: auto;
    object-fit: contain; transform: scale(0.95); transition: var(--transition-smooth);
    box-shadow: 0 30px 80px rgba(0,0,0,0.6);
}
.lightbox.active .lightbox-content { transform: scale(1); }

.close-lightbox, .lightbox-prev, .lightbox-next {
    position: absolute; color: var(--text-color); font-weight: 200; cursor: pointer; transition: var(--transition-smooth);
}
.close-lightbox { top: 40px; right: 50px; font-size: 35px; }
.close-lightbox:hover { transform: rotate(90deg); color: var(--accent-color); }
.lightbox-prev, .lightbox-next { top: 50%; transform: translateY(-50%); font-size: 40px; padding: 20px; user-select: none; }
.lightbox-prev { left: 30px; }
.lightbox-next { right: 30px; }
.lightbox-prev:hover, .lightbox-next:hover { color: var(--accent-color); }

/* --- 8. RESPONSIVE --- */

/* Grand desktop */
@media screen and (min-width: 1600px) {
    .gallery { column-count: 4; }
}

/* Tablette paysage */
@media screen and (max-width: 1024px) {
    .gallery { column-count: 2; }
    .contact-container { gap: 3.5rem; }
}

/* Tablette portrait */
@media screen and (max-width: 900px) {
    header { padding: 1.6rem clamp(1.2rem, 5%, 3rem); }
    .logo-name { font-size: 1.15rem; letter-spacing: 2px; }
}

/* Menu burger (dès que la barre manque de place) */
@media screen and (max-width: 1100px) {
    .nav-links {
        position: fixed; right: 0; top: 0; bottom: 0;
        height: 100vh; height: 100dvh;
        background-color: var(--bg-color);
        display: flex; flex-direction: column; align-items: flex-start; justify-content: center;
        padding-left: 12%; width: 100%;
        transform: translateX(100%);
        visibility: hidden;
        transition: transform 0.5s cubic-bezier(0.25, 1, 0.5, 1), visibility 0.5s;
        z-index: 99; gap: 2rem;
        overflow-y: auto;
        overscroll-behavior: none;
        touch-action: auto;
    }

    .nav-links a { font-size: 1.4rem; font-family: var(--font-display); letter-spacing: 3px; color: var(--text-color); }
    .nav-links a::after { background-color: var(--accent-color); }
    .nav-links.nav-active { transform: translateX(0%); visibility: visible; }
    .burger { display: block; z-index: 101; }
    .burger.toggle .line1 { transform: rotate(45deg) translate(5px, 5px); }
    .burger.toggle .line2 { opacity: 0; }
    .burger.toggle .line3 { transform: rotate(-45deg) translate(5px, -5px); }

    .mobile-close-btn {
        display: block; position: absolute; top: 2rem; right: 1.8rem;
        font-size: 2.5rem; font-weight: 300; color: var(--text-color); cursor: pointer; line-height: 1;
    }
}

/* Mobile */
@media screen and (max-width: 768px) {
    .gallery { column-count: 1; column-gap: 1rem; padding: 2rem 1.2rem 4rem; }
    .item { margin-bottom: 1rem; }
    .gallery-intro { padding-top: 6rem; }

    .slider-prev, .slider-next { font-size: 1.4rem; }
    .slider-prev { left: 1%; }
    .slider-next { right: 1%; }
    .slider-controls { bottom: 2rem; }

    .contact-container { flex-direction: column; text-align: center; gap: 2.5rem; padding-top: 7rem; min-height: auto; }
    .contact-image-col img { max-width: 200px; }
    .contact-text-col .overline, .contact-subtitle { margin-left: auto; margin-right: auto; }
    .contact-info { justify-content: center; gap: 2.5rem; }
    .info-block { align-items: center; }

    .lightbox-content { max-width: 95vw; max-height: 75vh; }
    .close-lightbox { top: 20px; right: 25px; font-size: 35px; }
    .lightbox-prev, .lightbox-next { font-size: 26px; padding: 10px; }
    .lightbox-prev { left: 2px; }
    .lightbox-next { right: 2px; }
}

@media screen and (max-width: 420px) {
    .logo-name { font-size: 1rem; letter-spacing: 1.5px; }
    .logo-image { height: 1.4rem; }
}

/* --- 9. BOUTON RETOUR EN HAUT --- */
.scroll-to-top {
    position: fixed; bottom: 40px; right: 40px;
    width: 46px; height: 46px;
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    display: flex; justify-content: center; align-items: center;
    font-size: 1.2rem; cursor: pointer; z-index: 98;
    opacity: 0; visibility: hidden;
    transform: translateY(20px) rotate(90deg);
    transition: var(--transition-smooth);
}

.scroll-to-top.visible {
    opacity: 1; visibility: visible;
    transform: translateY(0) rotate(90deg);
}

.scroll-to-top:hover {
    background-color: var(--accent-color);
    color: var(--bg-color);
    border-color: var(--accent-color);
}

@media screen and (max-width: 768px) {
    .scroll-to-top {
        bottom: 25px; right: 25px;
        width: 42px; height: 42px;
        font-size: 1rem;
    }
}

/* =========================================
   10. PRELOADER
========================================= */
.preloader {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100vh; height: 100dvh;
    background-color: var(--bg-color);
    z-index: 10000;
    display: flex; justify-content: center; align-items: center;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

.preloader.hidden { opacity: 0; visibility: hidden; }

.preloader-content { text-align: center; }

.preloader-logo {
    width: 80px; height: auto; margin-bottom: 2rem;
    animation: preloaderPulse 1.5s ease-in-out infinite;
}

.preloader-spinner {
    width: 38px; height: 38px;
    margin: 0 auto 1.5rem auto;
    border: 1px solid var(--border-color);
    border-top-color: var(--accent-color);
    border-radius: 50%;
    animation: preloaderSpin 0.8s linear infinite;
}

.preloader-text {
    color: var(--text-secondary);
    font-size: 0.78rem; letter-spacing: 3px; text-transform: uppercase;
}

.preloader-percent {
    color: var(--text-color);
    font-size: 1.15rem; font-weight: 500; margin-top: 0.5rem;
}

@keyframes preloaderSpin { to { transform: rotate(360deg); } }
@keyframes preloaderPulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }

.gallery { opacity: 0; transition: opacity 0.8s cubic-bezier(0.25, 1, 0.5, 1); }
.gallery.loaded { opacity: 1; }
body.preloader-active { overflow: hidden; }

/* Description de catégorie (gérée depuis l'admin) */
.gallery-desc {
    max-width: 640px;
    margin: 0.6rem auto 0;
    font-family: 'Montserrat', sans-serif;
    font-weight: 300;
    font-size: 0.95rem;
    line-height: 1.6;
    color: #555;
}
.gallery-desc p { margin: 0.3rem 0; }

/* --- Agencement justifié (bureau) géré par gallery-layout.js --- */
.gallery--justified { display: block; column-count: unset !important; }
.gallery--justified .jrow { display: flex; align-items: flex-start; }
.gallery--justified .item { margin: 0; break-inside: auto; }
.gallery--justified .item img { width: 100%; height: auto; display: block; }

/* Animation d'apparition des rangées justifiées */
@keyframes galleryRowIn { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
.gallery--justified.gallery-animate .jrow { animation: galleryRowIn 0.7s cubic-bezier(0.25,1,0.5,1) both; }
.gallery--justified.gallery-animate .jrow:nth-child(2) { animation-delay: 0.08s; }
.gallery--justified.gallery-animate .jrow:nth-child(3) { animation-delay: 0.16s; }
.gallery--justified.gallery-animate .jrow:nth-child(4) { animation-delay: 0.24s; }
.gallery--justified.gallery-animate .jrow:nth-child(n+5) { animation-delay: 0.3s; }

/* Transitions fluides de la visionneuse (lightbox) */
.lightbox-content { transition: opacity 0.35s ease, transform 0.45s cubic-bezier(0.25,1,0.5,1); will-change: opacity, transform; }
.lightbox-content.lb-hidden { opacity: 0; }

/* Animation d'apparition du préchargeur (changement de catégorie) */
@keyframes preloaderIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes preloaderPop { from { opacity: 0; transform: scale(0.92) translateY(8px); } to { opacity: 1; transform: none; } }
.preloader.flash-in { animation: preloaderIn 0.28s ease both; }
.preloader.flash-in .preloader-content { animation: preloaderPop 0.4s cubic-bezier(0.25,1,0.5,1) both; }

/* --- Header compact au défilement --- */
header { transition: padding 0.35s cubic-bezier(0.25,1,0.5,1); }
.logo-name { transition: font-size 0.35s ease, letter-spacing 0.35s ease; }
header.shrink { padding-top: 0.7rem; padding-bottom: 0.7rem; }
header.shrink::before { height: 100%; mask-image: none; -webkit-mask-image: none; background-color: rgba(14,14,16,0.92); }
header.shrink .logo-image { height: 1.25rem; }
header.shrink .logo-name { font-size: 1.05rem; letter-spacing: 2px; }
@media screen and (max-width: 900px) {
  header.shrink { padding-top: 0.6rem; padding-bottom: 0.6rem; }
  header.shrink .logo-name { font-size: 0.95rem; }
}

/* --- Nav : adaptation logo/menu selon le nombre d'items --- */
header { gap: 1rem; }
.logo { flex-shrink: 0; min-width: 0; }
header nav { min-width: 0; }
/* Resserre la barre quand l'espace manque (desktop/tablette large), sans toucher au très grand écran */
@media screen and (min-width: 1101px) and (max-width: 1500px) {
  .nav-links { gap: 1.3rem; }
  .nav-links a { font-size: 0.66rem; letter-spacing: 1.6px; }
  .logo-name { font-size: 1.05rem; letter-spacing: 2px; }
}
/* Menu burger : items en haut, alignés, défilables (corrige l'affichage quand beaucoup de pages) */
@media screen and (max-width: 1100px) {
  .nav-links {
    /* Répartit les items sur toute la hauteur : tout rentre, gros, et le dernier
       (CONTACT) n'est jamais collé au bord ni sous la barre Safari. */
    justify-content: space-evenly;
    align-items: flex-start;
    gap: 0;
    /* svh = plus petite hauteur visible (barres du navigateur incluses) :
       garantit que rien n'est coupé, même sur une page courte (ex: page sans photo). */
    height: 100svh;
    max-height: 100svh;
    padding: calc(3.5rem + env(safe-area-inset-top)) 0 calc(2.5rem + env(safe-area-inset-bottom)) 12%;
    -webkit-overflow-scrolling: touch;
  }
  /* Taille adaptée à la hauteur d'écran (plus gros sur iPad) */
  .nav-links a { font-size: clamp(1.3rem, 3.4vh, 2.4rem); line-height: 1.1; }
}

/* Hauteur mini de la galerie : garantit que même une page sans (ou peu de) photos
   reste assez haute pour défiler comme les autres → barres du navigateur cohérentes
   → le menu burger s'affiche identiquement partout (corrige le cas page vide type "artist"). */
#gallery { min-height: 78svh; }