/* ==========================================================================
   CSS Variables - Galerie Yann.Art
   Aligned with Yann.Art umbrella design system
   ========================================================================== */

:root {
    /* Couleurs principales - from Yann.Art main site */
    --color-primary: #0BCFE0;
    --color-secondary: #02D2ED;
    --color-accent: #0AB8D1;
    --color-error: #F97316;        /* Orange - couleur complémentaire pour erreurs */

    /* Couleurs neutres */
    --color-bg: #FAFAFA;
    --color-bg-alt: #FFFFFF;
    --color-text: #1A1A1A;
    --color-text-light: #666666;
    --color-text-lighter: #999999;

    /* Typographie - From charte graphique */
    --font-primary: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-display: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Tailles de police */
    --font-size-xs: 0.75rem;      /* 12px */
    --font-size-sm: 0.875rem;     /* 14px */
    --font-size-base: 1rem;       /* 16px */

    /* Poids de police */
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    /* Espacements */
    --spacing-xs: 0.5rem;         /* 8px */
    --spacing-sm: 1rem;           /* 16px */
    --spacing-md: 1.5rem;         /* 24px */
    --spacing-lg: 2rem;           /* 32px */
    --spacing-xl: 3rem;           /* 48px */
    --spacing-2xl: 4rem;          /* 64px */
    --spacing-3xl: 6rem;          /* 96px */

    /* Border radius */
    --border-radius: 12px;
    --border-radius-sm: 8px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(45, 55, 72, 0.04);
    --shadow-md: 0 4px 12px rgba(45, 55, 72, 0.05);
    --shadow-lg: 0 8px 24px rgba(45, 55, 72, 0.08);
    --shadow-cyan: 0 4px 12px rgba(11, 207, 224, 0.3);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;

    /* Header */
    --header-height: 70px;
}

/* Mobile adjustments */
@media (max-width: 768px) {
    :root {
        --header-height: 60px;
        --spacing-xl: 2rem;
        --spacing-2xl: 3rem;
        --spacing-3xl: 4rem;
    }
}

/* Reset et base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Typographie de base : listes — règle unique, réutilisable partout.
   Le reset * {padding:0} supprime l'indentation par défaut ; on la restaure ici
   pour tout <ul>/<ol> de contenu. Les listes qui ne doivent PAS être indentées
   (menu nav, listes d'actions, etc.) utilisent une classe dédiée qui réinitialise. */
ul, ol {
    list-style-position: outside;
    margin: 0.75rem 0 1.25rem;
    padding-left: 2rem;
}
ul { list-style-type: disc; }
ol { list-style-type: decimal; }

li {
    font-size: 1rem;
    line-height: 1.7;
    color: #444;
    margin-bottom: 0.4rem;
    padding-left: 0.25rem;
}
li:last-child {
    margin-bottom: 0;
}

/* Cas particuliers : listes utilisées comme structure (navigation, etc.) */
.nav-menu,
.footer-links {
    margin: 0;
    padding: 0;
    list-style: none;
}
.nav-menu li,
.footer-links li {
    font-size: inherit;
    line-height: inherit;
    color: inherit;
    margin: 0;
    padding: 0;
}

/* Listes sur mobile : un peu moins d'indentation pour gagner en largeur utile. */
@media (max-width: 768px) {
    ul, ol { padding-left: 1.5rem; }
}

html, body {
    height: 100%;
    min-height: 100%;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex: 1 0 auto;
}

footer {
    flex-shrink: 0;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Typography */
h1, h2, h3 {
    font-family: var(--font-display);
    font-weight: 500;
    line-height: 1.2;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(250, 250, 250, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(26, 26, 26, 0.1);
    transition: all var(--transition-base);
}

.nav-container {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: var(--header-height);
    position: relative;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    transition: color var(--transition-base);
}

.nav-logo-icon {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
}

.nav-logo-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.nav-logo-title {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.nav-logo-subtitle {
    font-family: var(--font-primary);
    font-size: 11px;
    font-weight: 400;
    color: var(--color-text);
    line-height: 1.2;
    opacity: 0.7;
}

.nav-logo:hover .nav-logo-title {
    color: var(--color-primary);
}

@media (max-width: 768px) {
    .nav-logo-icon {
        width: 32px;
        height: 32px;
    }
    .nav-logo-subtitle {
        display: none;
    }
}

@media (max-width: 800px) {
    .nav-logo-title {
        font-size: 0.95rem;
    }
    .nav-menu {
        gap: 1.2rem;
    }
}

@media (max-width: 600px) {
    .nav-logo-title {
        font-size: 0.9rem;
    }
    .nav-menu {
        gap: 1.2rem;
    }
}

.nav-menu {
    display: flex;
    align-items: center;
    list-style: none;
    gap: var(--spacing-xs);
}

.nav-item {
    display: flex;
}

.nav-separator {
    color: var(--color-primary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    user-select: none;
    opacity: 0.6;
    padding: 0 4px;
}

.nav-link {
    padding: 0.5rem 0.75rem;
    font-size: 13px;
    font-weight: var(--font-weight-semibold);
    letter-spacing: 0.05em;
    color: var(--color-text);
    text-decoration: none;
    transition: all var(--transition-base);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 80%;
    height: 2px;
    background: var(--color-primary);
    border-radius: 2px;
    transition: transform var(--transition-base);
}

.nav-link:hover {
    color: var(--color-primary);
}

.nav-link:hover::after {
    transform: translateX(-50%) scaleX(1);
}

/* Mobile Toggle Button */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    width: 30px;
    height: 24px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 10001;
}

.nav-toggle span {
    width: 100%;
    height: 3px;
    background: var(--color-text);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.nav-toggle:hover span {
    background: var(--color-primary);
}

.nav-toggle.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/* Navigation pour exposition */
.nav-exposition {
    background: rgba(250, 250, 250, 0.98);
}

/* Responsive Navigation */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 1rem;
    }

    .nav-menu {
        position: fixed;
        top: var(--header-height);
        left: 100%;
        width: 100%;
        height: calc(100vh - var(--header-height));
        background: white;
        border-left: 1px solid rgba(26, 26, 26, 0.1);
        transition: left 0.3s ease;
        padding: 2rem;
        display: flex !important;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: var(--spacing-md);
        overflow-y: auto;
        z-index: 10000;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-item {
        width: auto;
        text-align: center;
    }

    .nav-link {
        display: block;
        padding: 0.5rem 0.75rem;
        font-size: 1.2rem;
        font-weight: var(--font-weight-semibold);
        letter-spacing: 0.05em;
        color: var(--color-text);
        text-decoration: none;
        transition: all var(--transition-base);
        position: relative;
    }

    .nav-link::after {
        content: '';
        position: absolute;
        bottom: 4px;
        left: 50%;
        transform: translateX(-50%) scaleX(0);
        width: 80%;
        height: 2px;
        background: var(--color-primary);
        border-radius: 2px;
        transition: transform var(--transition-base);
    }

    /* Hover : cyan transitoire OK (pas testé par Lighthouse statique). */
    .nav-link:hover {
        color: var(--color-primary);
    }
    /* État `.active` : on garde la couleur de texte standard (WCAG 4.5:1+ sur fond blanc).
       L'identification visuelle de la page courante reste assurée par l'underline cyan
       `::after` ci-dessous (signature graphique préservée, ratio non concerné). */
    .nav-link.active {
        color: var(--color-text);
    }

    .nav-link:hover::after,
    .nav-link.active::after {
        transform: translateX(-50%) scaleX(1);
    }

    .nav-separator {
        display: none;
    }

    .nav-toggle {
        display: flex;
        position: relative;
        z-index: 10001;
    }

    .nav-logo-subtitle {
        display: none;
    }
}

/* Extra small screens - Fix burger menu overflow */
@media (max-width: 480px) {
    .nav-container {
        padding: 0 0.5rem;
    }

    .nav-logo-icon {
        width: 28px;
        height: 28px;
    }

    .nav-logo-title {
        font-size: 0.85rem;
    }
}

/* Hero Section — 70vh pour laisser 30vh de "peek" sur la section suivante (UX best practice) */
.hero {
    height: 70vh;           /* fallback pour vieux navigateurs */
    height: 70dvh;          /* dynamic viewport height : stable malgré la barre d'adresse mobile */
    min-height: 500px;      /* garde-fou petits écrans */
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
    background: linear-gradient(135deg, #fafafa 0%, #f5f5f5 100%);
}

.hero-content {
    max-width: 800px;
    padding: 0 2rem;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 500;
    margin-bottom: 1.5rem;
    overflow: hidden;
    color: var(--color-text);
}

.hero-title-line {
    display: block;
    transform: translateY(100%);
    opacity: 0;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-light);
    margin-bottom: 3rem;
    font-weight: 300;
    opacity: 0;
    transform: translateY(30px);
}

.hero-cta {
    opacity: 0;
    transform: translateY(30px);
}

.hero-scroll {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    opacity: 0;
}

.scroll-text {
    font-size: 0.85rem;
    color: #999;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.scroll-indicator {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, transparent 0%, #999 50%, transparent 100%);
    animation: scrollBounce 1.8s ease-in-out infinite;
}

/* Signal "scroll vers le bas" : ligne qui descend + fade in/out (plus incitatif qu'un simple pulse). */
@keyframes scrollBounce {
    0%   { transform: translateY(-12px); opacity: 0; }
    25%  { opacity: 1; }
    75%  { opacity: 1; }
    100% { transform: translateY(12px); opacity: 0; }
}

/* Buttons - Style from charte graphique with cyan colors */
.btn-primary, .btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-family: var(--font-display);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--border-radius);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    min-height: 48px;
    min-width: 120px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-bg-alt);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-cyan);
}

.btn-primary:hover {
    background: var(--color-secondary);
    border-color: var(--color-secondary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-secondary:hover {
    background-color: var(--color-primary);
    color: var(--color-bg-alt);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Button modifier - Full width */
.btn-full-width {
    width: 100%;
}

/* Sections */
.expositions, .about, .contact {
    padding: 6rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    opacity: 0;
    transform: translateY(30px);
}

.section-subtitle {
    font-size: 1.1rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
    opacity: 0;
    transform: translateY(30px);
}

/* Expositions Grid */
.expositions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
    margin-top: 4rem;
}

/* Expositions CTA - Bouton centré sous la grille */
.expositions-cta {
    text-align: center;
    margin-top: 3rem;
    opacity: 0;
    transform: translateY(30px);
}

.exposition-card {
    position: relative;
    height: 500px;
    border-radius: 0;
    overflow: hidden;
    opacity: 1;
    transform: translateY(0px);
}

.exposition-image {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.exposition-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.exposition-card:hover .exposition-image img {
    transform: scale(1.05);
}

.exposition-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 0%, rgba(0,0,0,0.8) 100%);
    display: flex;
    align-items: flex-end;
    padding: 2rem;
    opacity: 1;
    transition: opacity 0.3s ease;
}


.exposition-info {
    color: white;
}

.exposition-title {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.exposition-description {
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

/* Coming Soon */
.coming-soon .exposition-image {
    background: linear-gradient(135deg, #f5f5f5 0%, #e8e8e8 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.coming-soon-content {
    text-align: center;
    color: #999;
}

/* About Section */
.about {
    background-color: #f8f8f8;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-title {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    opacity: 0;
    transform: translateY(30px);
}

.about-description {
    font-size: 1.1rem;
    color: #666;
    line-height: 1.8;
    opacity: 0;
    transform: translateY(30px);
}

/* Contact Section */
.contact-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.contact-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    opacity: 0;
    transform: translateY(30px);
}

.contact-description {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 2rem;
    opacity: 0;
    transform: translateY(30px);
}

.contact-email {
    font-size: 1.25rem;
    color: #2c2c2c;
    text-decoration: none;
    border-bottom: 1px solid #2c2c2c;
    transition: color 0.3s ease;
    opacity: 0;
    transform: translateY(30px);
}

.contact-email:hover {
    color: #666;
}

.confirm-message {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    margin-top: 5.5rem;
}
.confirm-message a {
    display: inline-block;
    text-align: center;
}

/* Footer */
.footer {
    background-color: #2c2c2c;
    color: #fafafa;
    padding: 4rem 0 3rem 0;
    text-align: center;
}

.footer-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 2rem;
}

.footer-brand {
    margin-bottom: 2rem;
}

.footer-brand h3 {
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 1rem;
    color: #fafafa;
}

.footer-description {
    font-size: 1.1rem;
    color: #fafafa;
    opacity: 0.9;
    line-height: 1.6;
    margin-bottom: 3rem;
    font-style: italic;
}

.footer-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0;
    margin-bottom: 2rem;
}

.footer-text {
    font-size: 0.9rem;
    opacity: 0.7;
    margin-top: 2rem;
}

/* Legal Pages */
.legal-page {
    background-color: #ffffff;
}

.legal-content {
    padding: 6rem 0 4rem 0;
    min-height: 80vh;
}

.legal-header {
    text-align: center;
    margin-bottom: 4rem;
}

.legal-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 500;
    margin-bottom: 1rem;
    color: #2c2c2c;
}

.legal-subtitle {
    font-size: 1.2rem;
    color: #666;
    font-weight: 300;
}

.legal-body {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 2rem;
}

.legal-section {
    margin-bottom: 3rem;
}

.legal-section h2 {
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    color: #2c2c2c;
    border-bottom: 2px solid #f0f0f0;
    padding-bottom: 0.5rem;
}

.legal-section p {
    font-size: 1rem;
    line-height: 1.7;
    color: #444;
    margin-bottom: 1rem;
}

.legal-list {
    margin: 1rem 0 1rem 2rem;
    padding: 0;
}

.legal-list li {
    font-size: 1rem;
    line-height: 1.7;
    color: #444;
    margin-bottom: 0.5rem;
}

/* Sous-titres H3 des pages légales : un peu d'air au-dessus et en dessous. */
.legal-section h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: #2c2c2c;
    margin: 1.5rem 0 0.75rem;
}

.legal-link {
    color: #666;
    text-decoration: underline;
    transition: color 0.3s ease;
}

.legal-link:hover {
    color: #2c2c2c;
}

/* Responsive */
@media (max-width: 768px) {
    .legal-content {
        padding: 4rem 0 3rem 0;
    }

    .legal-body {
        padding: 0 1.5rem;
    }

    .legal-list {
        margin-left: 1.5rem;
    }
}
.exposition-page {
    background-color: #ffffff;
}

.exposition-header {
    padding: 8rem 0 4rem;
    background-color: #fafafa;
    text-align: center;
}

.exposition-intro {
    max-width: 800px;
    margin: 0 auto;
}

.exposition-main-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    margin-bottom: 2rem;
    opacity: 1;
    transform: translateY(0px);
}

.exposition-main-description {
    font-size: 1.2rem;
    color: #666;
    line-height: 1.7;
    margin-bottom: 2rem;
    opacity: 1;
    transform: translateY(0px);
}

.exposition-meta {
    display: flex;
    justify-content: center;
    gap: 2rem;
    font-size: 0.95rem;
    color: #666;
    opacity: 1;
    transform: translateY(0px);
}

/* Gallery harmonisée */
.gallery {
    padding: 6rem 0;
    max-width: 1200px;
    margin: 0 auto;
}

.gallery-item {
    margin-bottom: 10rem;
    opacity: 1;
    transform: translateY(0px);
}

.gallery-item:last-child {
    margin-bottom: 6rem;
}

/* Container d'image uniforme */
.gallery-image-container {
    width: 100%;
    max-width: 800px;
    margin: 0 auto 4rem;
    position: relative;
}

.gallery-image-frame {
    width: 100%;
    /* Hauteur retirée : le container épouse la hauteur intrinsèque de l'image (width + height
       HTML fournissent le ratio). Plus de bande blanche sous les photos ratio ≠ 4:3. */
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    background: #f8f8f8;
    box-shadow:
        0 20px 60px rgba(0, 0, 0, 0.08),
        0 8px 25px rgba(0, 0, 0, 0.06);
    transition: all 0.6s power3.out;
    line-height: 0; /* élimine aussi le gap baseline éventuel autour du <img> */
}

.gallery-image-frame:hover {

    transform: translateY(-8px);
    box-shadow:
        0 30px 80px rgba(0, 0, 0, 0.12),
        0 12px 35px rgba(0, 0, 0, 0.08);

}

.gallery-image {
    width: 100%;
    height: auto;           /* garde le ratio natif de la photo */
    display: block;         /* supprime le gap inline baseline en bas */
    transition: transform 0.8s power3.out;
    will-change: transform;
}

/* Contenu textuel harmonisé */ 
.gallery-content {
    text-align: center; 
    max-width: 700px;
    margin: 0 auto;
    opacity: 1;
    transform: translateY(0px);
}

.gallery-title {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: #2c2c2c;
    font-weight: 400;
    letter-spacing: -0.02em;
    opacity: 1;
    transform: translateY(0px);
}

.gallery-caption {
    font-size: 1rem;
    color: #666;
    line-height: 1.8;
    font-weight: 300;
    opacity: 1;
    transform: translateY(0px);
}

/* Exposition Outro */
.exposition-outro {
    background-color: #fafafa;
    padding: 6rem 0;
    text-align: center;
}

.outro-content {
    max-width: 800px;
    margin: 0 auto;
}

.outro-title {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    opacity: 0;
    transform: translateY(30px);
}

.outro-description {
    font-size: 1.1rem;
    color: #666;
    line-height: 1.7;
    margin-bottom: 3rem;
    opacity: 0;
    transform: translateY(30px);
}

.outro-actions {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    opacity: 0;
    transform: translateY(30px);
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    
    .nav-container {
        padding: 0 1rem;
    }
    
    .nav-menu {
        gap: 1rem;
    }
    
    .hero-title {
        font-size: clamp(2.5rem, 10vw, 4rem);
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .expositions-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .exposition-card {
        height: 400px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .about-title, .contact-title, .outro-title {
        font-size: 2rem;
    }
    
    .exposition-main-title {
        font-size: clamp(2rem, 8vw, 3rem);
    }
    
    .exposition-meta {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .outro-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-primary, .btn-secondary {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .hero-content {
        padding: 0 1rem;
    }
    
    .exposition-overlay {
        padding: 1.5rem;
    }
    
    .gallery-item {
        margin-bottom: 6rem;
    }
    
    .gallery-title {
        font-size: 1.5rem;
    }
    
    .gallery-caption {
        font-size: 1rem;
    }
}


/* Contact Page Styles */
.contact-page {
    background-color: #ffffff;
}

.contact-form-section {
    padding: 6rem 0;
    min-height: 60vh;
}

.contact-form-container {
    max-width: 600px;
    margin: 0 auto 4rem;
}

.contact-form {
    background: #ffffff;
    padding: 3rem;
    border-radius: 0;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
}

.form-group {
    margin-bottom: 2rem;
    position: relative;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #2c2c2c;
    font-size: 0.95rem;
}

.form-input, .form-textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    background-color: #fafafa;
}

.form-input:focus, .form-textarea:focus {
    outline: none;
    border-color: #2c2c2c;
    box-shadow: 0 0 0 2px rgba(44, 44, 44, 0.1);
    background-color: #ffffff;
}

/* Validation states - Applied only via JS after submit attempt */
.form-input.error,
.form-textarea.error,
select.form-input.error {
    border-color: var(--color-error);
    border-width: 2px;
    background-color: rgba(249, 115, 22, 0.03);
}

.form-input.error:focus,
.form-textarea.error:focus,
select.form-input.error:focus {
    outline: none;
    border-color: var(--color-error);
    box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.2);
    background-color: #ffffff;
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

/* RGPD notice */
.form-rgpd {
    margin-bottom: 1.5rem;
    padding: 1rem;
    background-color: #f8f9fa;
    border-left: 3px solid var(--color-primary);
}

.rgpd-text {
    font-size: 0.85rem;
    line-height: 1.5;
    color: #666;
    margin: 0;
    font-style: italic;
}

/* Captcha */
.captcha-wrapper {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.captcha-display {
    flex: 0 0 auto;
    width: auto;
    min-width: 120px;
    padding: 1rem;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-family: inherit;
    background-color: #f8f9fa;
    text-align: center;
    color: #2c2c2c;
    font-weight: 500;
    cursor: not-allowed;
}

.captcha-input {
    flex: 0 0 auto;
    width: 120px;
    padding: 1rem;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-family: inherit;
    background-color: #fafafa;
    text-align: center;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.captcha-input:focus {
    outline: none;
    border-color: #2c2c2c;
    box-shadow: 0 0 0 2px rgba(44, 44, 44, 0.1);
    background-color: #ffffff;
}

/* Captcha validation states - Applied only via JS after submit attempt */
.captcha-input.error {
    border-color: var(--color-error);
    border-width: 2px;
    background-color: rgba(249, 115, 22, 0.03);
}

/* ==========================================================================
   Honeypot - Champ invisible anti-bot
   ========================================================================== */

.honeypot-field {
    /* Positionnement hors écran (pas display:none pour éviter détection) */
    position: absolute;
    left: -9999px;
    top: -9999px;
    width: 1px;
    height: 1px;
    opacity: 0;
    pointer-events: none;
    /* Accessible aux lecteurs d'écran mais caché visuellement */
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
}

.honeypot-field label,
.honeypot-field input {
    position: absolute;
    left: -9999px;
    opacity: 0;
}

.captcha-input.error:focus {
    outline: none;
    border-color: var(--color-error);
    box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.2);
    background-color: #ffffff;
}

/* Captcha responsive */
@media (max-width: 768px) {
    .captcha-wrapper {
        flex-direction: column;
        align-items: stretch;
        gap: 0.75rem;
    }

    .captcha-display,
    .captcha-input {
        width: 100%;
        max-width: 100%;
    }
}

/* .form-submit - Removed, using .btn-primary instead */



.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    max-width: 800px;
    margin: 0 auto;
}

.contact-info-item {
    text-align: center;
}

.contact-info-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #2c2c2c;
}

.contact-info-text {
    color: #666;
    line-height: 1.6;
}

.success-message, .error-message {
    text-align: center;
    padding: 3rem;
    margin-bottom: 2rem;
}

.success-message {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.error-message {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Footer Improvements */
.footer-brand-link {
    color: #fafafa;
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s ease;
}

.footer-brand-link:hover {
    opacity: 0.8;
}

.footer-link {
    color: #fafafa;
    text-decoration: none;
    font-size: 0.95rem;
    opacity: 0.8;
    transition: opacity 0.3s ease;
    padding: 0 1.5rem;
    position: relative;
}

.footer-link:not(:last-child)::after {
    /*content: '|';*/
    position: absolute;
    right: 0;
    color: #fafafa;
    opacity: 0.4;
}

.footer-link:hover {
    opacity: 1;
    text-decoration: underline;
}

/* Exposition Cards - Animation States */
.exposition-card {
    position: relative;
    overflow: hidden;
    border-radius: 0;
    background: #ffffff;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 500px;
    /* Suppression de l'état initial opacity: 0 pour éviter les conflits GSAP */
}

.exposition-card:hover {
    /* Suppression de l'effet translateY qui monte */
    /* transform: translateY(-5px); */
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.exposition-image {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
    /* L'image reste toujours en place */
}

.exposition-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
    /* L'image n'est jamais affectée par les animations GSAP */
}

.exposition-card:hover .exposition-image img {
    transform: scale(1.05);
}
.exposition-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, 
        rgba(0,0,0,0.8) 0%, 
        rgba(0,0,0,0.6) 20%, 
        transparent 50%, 
        rgba(0,0,0,0.3) 70%, 
        rgba(0,0,0,0.9) 100%);
    display: flex;
    align-items: flex-start;
    padding: 2rem;
    opacity: 0;
    transition: opacity 0.4s ease;
    /* Cet élément peut être animé par GSAP */
}

.exposition-info {
    color: white;
    width: 100%;
    text-align: center;
    display: flex;
    flex-direction: column;
    height: 100%;
    justify-content: space-between;
}

.exposition-title {
    font-size: 1.8rem;
    margin-bottom: 0.8rem;
    font-weight: 600;
    line-height: 1.2;
}

.exposition-description {
    font-size: 1rem;
    margin-bottom: 0.5rem;
    opacity: 0.95;
    line-height: 1.6;
    max-width: 90%;
    margin-left: auto;
    margin-right: auto;
}

.exposition-meta {
    display: flex !important;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    visibility: visible !important;
    opacity: 1 !important;
}

.exposition-cta {
    background: rgba(255,255,255,0.15) !important;
    backdrop-filter: blur(10px);
    color: white !important;
    text-decoration: none;
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 1px solid rgba(255,255,255,0.4);
    position: relative;
    overflow: hidden;
    margin-top: auto;
    align-self: center;
    display: inline-block;
}
.exposition-header-year,
.exposition-header-count {
    color: #666;
    font-weight: 500;
}

.exposition-year,
.exposition-count {
    background: rgba(255, 255, 255, 0.1) !important;
    backdrop-filter: blur(10px);
    padding: 0.5rem 1rem;
    border-radius: 15px;
    font-weight: 500;
    color: white !important;
    opacity: 1 !important;
    border: 1px solid rgba(255,255,255,0.3);
    display: inline-block !important;
    visibility: visible !important;
}

.exposition-count {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.exposition-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 30px;
    color: white;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    margin-top: auto;
}

.exposition-cta:hover {
    background: rgba(255,255,255,0.2);
    border-color: rgba(255,255,255,0.5);
    transform: translateY(-2px);
}

.exposition-cta::after {
    content: "→";
    transition: transform 0.3s ease;
}

.exposition-cta:hover::after {
    transform: translateX(3px);
}

/* INFO MOBILE TOUJOURS VISIBLE */
.exposition-info-mobile {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, transparent 100%);
    padding: 1.5rem;
    display: block;
    /* Cet élément peut être animé par GSAP */
}

.exposition-title-mobile {
    color: white;
    font-size: 1.2rem;
    margin: 0;
    font-weight: 600;
}

/* Masquer l'info mobile sur desktop au profit du hover */
@media (min-width: 769px) {
    .exposition-info-mobile {
        display: none;
    }
}

/* Sur mobile, masquer l'overlay hover et garder l'info mobile */
@media (max-width: 768px) {
    .exposition-overlay {
        display: none;
    }
    
    .exposition-info-mobile {
        display: block;
    }
    
    .exposition-card {
        height: 400px;
    }
}

.coming-soon {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.coming-soon-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 400px;
    text-align: center;
    color: #666;
}

/* Responsive Design Updates */
@media (max-width: 768px) {
    .contact-form {
        padding: 2rem;
        margin: 0 1rem;
    }
    
    .contact-info {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .exposition-image {
        height: 300px;
    }
    
    .exposition-overlay {
        padding: 1.5rem;
    }
}


/* DESIGN COHÉRENT POUR TOUTES LES CARTES */
/* Version centrée comme "Prochainement" pour une meilleure UX */
.exposition-overlay-centered {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.exposition-card:hover .exposition-overlay-centered {
    opacity: 1;
}

.exposition-info-centered {
    color: white;
    max-width: 80%;
}

.exposition-info-centered .exposition-title {
    font-size: 2rem;
    margin-bottom: 1rem;
    font-weight: 600;
    line-height: 1.2;
}

.exposition-info-centered .exposition-description {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    opacity: 0.95;
    line-height: 1.6;
}

.exposition-info-centered .exposition-meta {
    justify-content: center;
    margin-bottom: 1.5rem;
}

.exposition-info-centered .exposition-cta {
    margin: 0 auto;
}


/* Expositions Grid */
.expositions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
    margin-top: 4rem;
}

.exposition-card {
    position: relative;
    height: 500px;
    border-radius: 0;
    overflow: hidden;
    opacity: 1;
    transform: translateY(0);
}

.exposition-image {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.exposition-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.exposition-card:hover .exposition-image img {
    transform: scale(1.05);
}

.exposition-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 0%, rgba(0,0,0,0.8) 100%);
    display: flex;
    align-items: flex-end;
    padding: 2rem;
    opacity: 1;
    transition: opacity 0.3s ease;
}


.exposition-info {
    color: white;
}

.exposition-title {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.exposition-description {
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.exposition-meta {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.exposition-year,
.exposition-count {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 0.5rem 1rem;
    border-radius: 15px;
    font-weight: 500;
    color: white;
    border: 1px solid rgba(255,255,255,0.3);
    display: inline-block;
}

.exposition-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 30px;
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.exposition-cta:hover {
    background: rgba(255,255,255,0.2);
    border-color: rgba(255,255,255,0.5);
    transform: translateY(-2px);
}

.exposition-cta::after {
    content: "→";
    transition: transform 0.3s ease;
}

.exposition-cta:hover::after {
    transform: translateX(3px);
}

/* Coming Soon */
.coming-soon .exposition-image {
    background: linear-gradient(135deg, #f5f5f5 0%, #e8e8e8 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.coming-soon-content {
    text-align: center;
    color: #999;
}


/* Responsive pour la galerie harmonisée */
@media (max-width: 768px) {
    .gallery {
        padding: 4rem 1rem;
    }
    
    .gallery-image-frame {
        /* hauteur retirée aussi en responsive : ratio natif préservé */
        border-radius: 8px;
        margin-bottom: 3rem;
    }

    .gallery-item {
        margin-bottom: 6rem;
    }

    .gallery-title {
        font-size: 1.5rem;
        margin-bottom: 1rem;
    }

    .gallery-caption {
        font-size: 0.95rem;
        padding: 0 1rem;
    }
}

@media (max-width: 480px) {
    .gallery-image-frame {
        /* hauteur retirée : ratio natif */
        border-radius: 6px;
    }

    .gallery-item {
        margin-bottom: 4rem;
    }

    .gallery-title {
        font-size: 1.3rem;
    }
}


/* Section Outro harmonisée */
.exposition-outro {
    background: linear-gradient(135deg, #fafafa 0%, #f5f5f5 100%);
    padding: 8rem 0;
    text-align: center;
    border-top: 1px solid #eee;
}

.outro-content {
    max-width: 700px;
    margin: 0 auto;
}

.outro-title {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: #2c2c2c;
    font-weight: 400;
    letter-spacing: -0.02em;
    opacity: 1;
    transform: translateY(0px);
}

.outro-description {
    font-size: 1.1rem;
    color: #666;
    line-height: 1.8;
    margin-bottom: 3rem;
    font-weight: 300;
    opacity: 1;
    transform: translateY(0px);
}

.outro-actions {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    opacity: 1;
    transform: translateY(0px);
}

/* Bouton retour harmonisé */
.exposition-navigation {
    padding: 3rem 0;
    background-color: #fff;
}

.btn-back {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    text-decoration: none;
    color: #666;
    font-size: 0.95rem;
    font-weight: 400;
    border: 1px solid #ddd;
    border-radius: 0;
    transition: all 0.3s ease;
    background-color: transparent;
}

.btn-back:hover {
    color: #2c2c2c;
    border-color: #2c2c2c;
    transform: translateX(-3px);
}

/* Responsive pour la section outro */
@media (max-width: 768px) {
    .exposition-outro {
        padding: 6rem 1rem;
    }
    
    .outro-title {
        font-size: 2rem;
        margin-bottom: 1.5rem;
    }
    
    .outro-description {
        font-size: 1rem;
        margin-bottom: 2.5rem;
    }
    
    .outro-actions {
        flex-direction: column;
        gap: 1rem;
    }
    
    .btn-primary, .btn-secondary {
        width: 100%;
        max-width: 280px;
        text-align: center;
    }
}


.link {
    color: #2c2c2c;
    text-decoration: underline;
    cursor: pointer;
    transition: color 0.2s;
    font-weight: 500;
}

.link:hover, .link:focus {
    color: #666;
    text-decoration: underline;
    outline: none;
}

/* Page 404 harmonisée */
.error-section {
    padding: 8rem 0 4rem;
    text-align: center;
}

.error-content {
    max-width: 600px;
    margin: 0 auto;
}

.error-code {
    font-size: 8rem;
    font-weight: 300;
    color: #ddd;
    line-height: 1;
    margin-bottom: 2rem;
    font-family: 'Playfair Display', serif;
}

.error-message {
    font-size: 1.2rem;
    color: #666;
    line-height: 1.7;
    margin-bottom: 3rem;
}

.error-links {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
}

.error-link {
    display: inline-flex;
    align-items: center;
    padding: 0.75rem 1.5rem;
    background: transparent;
    border: 2px solid #2c2c2c;
    color: #2c2c2c;
    text-decoration: none;
    border-radius: 0;
    font-weight: 500;
    transition: all 0.3s ease;
}

.error-link:hover {
    background: #2c2c2c;
    color: white;
    transform: translateY(-2px);
}

/* Responsive pour page 404 */
@media (max-width: 768px) {
    .error-code {
        font-size: 6rem;
    }
    
    .error-links {
        flex-direction: column;
        align-items: center;
    }
    
    .error-link {
        width: 100%;
        max-width: 250px;
        justify-content: center;
    }
}