/* =====================================
   VARIABLES & RESET
===================================== */

:root {
    --color-black: #0a0a0a;
    --color-white: #ffffff;
    --color-gold: #d3b77c;
    --color-grey-light: #f5f5f5;
    --color-grey: #666666;
    --color-grey-dark: #1a1a1a;
    
    --font-heading: 'Cormorant Garamond', serif;
    --font-body: 'Manrope', sans-serif;
    
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-light: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-medium: 0 8px 40px rgba(0, 0, 0, 0.12);
    --shadow-heavy: 0 16px 60px rgba(0, 0, 0, 0.2);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-grey);
    background-color: var(--color-white);
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
    position: relative;
}

html {
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

.container {
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
    padding: 0 80px;
    box-sizing: border-box;
}

/* =====================================
   TYPOGRAPHY
===================================== */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 500;
    line-height: 1.2;
    color: var(--color-black);
}

h1 {
    font-size: 4.5rem;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 3.5rem;
}

h3 {
    font-size: 2rem;
}

.gold {
    color: var(--color-gold);
}

.section-subtitle {
    display: inline-block;
    font-size: 0.875rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: 1rem;
    font-weight: 600;
}

.section-title {
    margin-bottom: 1.5rem;
}

.title-underline {
    width: 80px;
    height: 2px;
    background: linear-gradient(90deg, var(--color-gold), transparent);
    margin-bottom: 3rem;
}

/* =====================================
   BUTTONS
===================================== */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2.5rem;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.btn:active {
    transform: scale(0.98);
}

.btn-primary {
    background-color: var(--color-gold);
    color: var(--color-white);
}

.btn-primary:hover {
    background-color: #c4a66d;
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-black);
    border: 2px solid var(--color-black);
}

.btn-secondary:hover {
    background-color: var(--color-black);
    color: var(--color-white);
}

.btn-view {
    padding: 0.75rem 1.5rem;
    background-color: var(--color-white);
    color: var(--color-black);
    border: none;
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    cursor: pointer;
    transition: var(--transition);
    user-select: none;
    -webkit-user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.btn-view:hover {
    background-color: var(--color-gold);
    color: var(--color-white);
}

/* =====================================
   HEADER
===================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: var(--transition);
}

.header.scrolled {
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-light);
    padding: 1rem 0;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo a {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--color-black);
    letter-spacing: 0.02em;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 3rem;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-black);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-gold);
    transition: var(--transition);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    z-index: 1001;
}

.menu-toggle span {
    width: 30px;
    height: 2px;
    background-color: var(--color-black);
    transition: var(--transition);
}

/* =====================================
   HERO
===================================== */

.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(10, 10, 10, 0.7), rgba(10, 10, 10, 0.4));
    z-index: 1;
}

.hero .container {
    position: relative;
    z-index: 2;
}

.hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-title {
    color: var(--color-white);
    margin-bottom: 1.5rem;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-white);
    margin-bottom: 2.5rem;
    opacity: 0.95;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-indicator span {
    display: block;
    width: 2px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-gold), transparent);
    animation: scrollDown 2s infinite;
}

/* =====================================
   SECTIONS
===================================== */

section {
    padding: 120px 0;
    width: 100%;
    overflow: hidden;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
}

.section-header .title-underline {
    margin-left: auto;
    margin-right: auto;
}

/* =====================================
   GALERIE
===================================== */

.galerie {
    background-color: var(--color-grey-light);
}

.galerie-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 4rem;
}

.filter-btn {
    padding: 0.75rem 2rem;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 500;
    background-color: var(--color-white);
    color: var(--color-grey);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    user-select: none;
    -webkit-user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.filter-btn:active {
    transform: scale(0.98);
}

.filter-btn:hover,
.filter-btn.active {
    background-color: var(--color-black);
    color: var(--color-white);
    border-color: var(--color-black);
}

.galerie-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 2.5rem;
    position: relative;
}

/* Indicateurs de scroll pour mobile */
.scroll-indicators {
    display: none;
    justify-content: center;
    gap: 8px;
    margin-top: 1.5rem;
}

.scroll-indicator-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--color-grey);
    opacity: 0.3;
    transition: all 0.3s ease;
    cursor: pointer;
    user-select: none;
    -webkit-user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.scroll-indicator-dot.active {
    opacity: 1;
    background-color: var(--color-gold);
    transform: scale(1.2);
}

@media screen and (max-width: 992px) {
    .scroll-indicators {
        display: flex;
    }
}

.galerie-item {
    position: relative;
    overflow: hidden;
    background-color: var(--color-white);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

.galerie-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-heavy);
}

.galerie-image {
    position: relative;
    width: 100%;
    padding-top: 125%;
    overflow: hidden;
}

.galerie-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.galerie-item:hover .galerie-image img {
    transform: scale(1.05);
}

.galerie-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9), rgba(0, 0, 0, 0.3));
    display: flex;
    align-items: flex-end;
    padding: 2rem;
    opacity: 0;
    transition: var(--transition);
}

.galerie-item:hover .galerie-overlay {
    opacity: 1;
}

.galerie-info {
    color: var(--color-white);
}

.galerie-info h3 {
    font-size: 1.5rem;
    color: var(--color-white);
    margin-bottom: 0.5rem;
}

.galerie-info .artist {
    font-size: 0.95rem;
    color: var(--color-gold);
    margin-bottom: 0.25rem;
    font-weight: 500;
}

.galerie-info .category {
    font-size: 0.875rem;
    opacity: 0.8;
    margin-bottom: 1rem;
}

/* =====================================
   À PROPOS
===================================== */

.apropos-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: center;
}

.apropos-image {
    position: relative;
}

.apropos-image img {
    width: 100%;
    height: auto;
    box-shadow: var(--shadow-medium);
}



.apropos-text {
    max-width: 600px;
}

.text-intro {
    font-size: 1.25rem;
    line-height: 1.6;
    color: var(--color-black);
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.apropos-text p {
    margin-bottom: 1.25rem;
}

.apropos-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
    padding-top: 3rem;
    border-top: 2px solid var(--color-grey-light);
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    color: var(--color-gold);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-grey);
}

/* =====================================
   EXPOSITIONS
===================================== */

.expositions {
    background-color: var(--color-grey-light);
}

.expositions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 3rem;
}

.exposition-card {
    background-color: var(--color-white);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
    overflow: hidden;
}

.exposition-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-heavy);
}

.exposition-image {
    position: relative;
    width: 100%;
    padding-top: 65%;
    overflow: hidden;
}

.exposition-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.exposition-date {
    position: absolute;
    top: 20px;
    right: 20px;
    background-color: var(--color-white);
    padding: 1rem;
    text-align: center;
    box-shadow: var(--shadow-medium);
}

.date-day {
    display: block;
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 600;
    color: var(--color-black);
    line-height: 1;
}

.date-month {
    display: block;
    font-size: 0.875rem;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-top: 0.25rem;
}

.exposition-content {
    padding: 2.5rem;
}

.exposition-type {
    display: inline-block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-gold);
    margin-bottom: 1rem;
    font-weight: 600;
}

.exposition-title {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.exposition-description {
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.exposition-details {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--color-grey-light);
}

.exposition-details span {
    font-size: 0.9rem;
    color: var(--color-grey);
}

.exposition-details i {
    color: var(--color-gold);
    margin-right: 0.5rem;
}

/* =====================================
   CONTACT
===================================== */

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
}

.contact-intro {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-bottom: 3rem;
}

.contact-item {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--color-gold);
    margin-top: 0.25rem;
}

.contact-item h4 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
    color: var(--color-black);
}

.contact-item p {
    font-size: 0.95rem;
    line-height: 1.6;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--color-grey-light);
    color: var(--color-grey);
    transition: var(--transition);
}

.social-links a:hover {
    border-color: var(--color-gold);
    color: var(--color-gold);
    transform: translateY(-3px);
}

/* Contact Form */

.contact-form {
    background-color: var(--color-grey-light);
    padding: 3rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem 1.5rem;
    font-family: var(--font-body);
    font-size: 0.95rem;
    border: 2px solid transparent;
    background-color: var(--color-white);
    transition: var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-gold);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

.contact-form .btn {
    width: 100%;
    justify-content: center;
}

.form-message {
    margin-top: 1.5rem;
    padding: 1rem;
    text-align: center;
    font-weight: 500;
    border-radius: 4px;
    display: none;
}

.form-message.success {
    background-color: #d4edda;
    color: #155724;
    display: block;
}

.form-message.error {
    background-color: #f8d7da;
    color: #721c24;
    display: block;
}

/* =====================================
   FOOTER
===================================== */

.footer {
    background-color: var(--color-grey-dark);
    color: var(--color-white);
    padding: 80px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-desc {
    margin-bottom: 2rem;
    opacity: 0.8;
    line-height: 1.7;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid rgba(255, 255, 255, 0.2);
    color: var(--color-white);
    transition: var(--transition);
}

.footer-social a:hover {
    border-color: var(--color-gold);
    color: var(--color-gold);
}

.footer-column h4 {
    font-size: 1.1rem;
    color: var(--color-white);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--color-gold);
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
}

.footer-bottom p {
    font-size: 0.875rem;
    opacity: 0.6;
}

/* =====================================
   SCROLL TO TOP
===================================== */

.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--color-gold);
    color: var(--color-white);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    background-color: var(--color-black);
    transform: translateY(-3px);
}

/* =====================================
   ARTWORK MODAL
===================================== */

.artwork-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.artwork-modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(5px);
}

.modal-content {
    position: relative;
    background: var(--color-white);
    max-width: 500px;
    width: 90%;
    border-radius: 0;
    padding: 3rem 2.5rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    transform: translateY(30px);
    transition: transform 0.3s ease;
    z-index: 1;
}

.artwork-modal.active .modal-content {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
    background: transparent;
    border: 2px solid var(--color-grey);
    color: var(--color-grey);
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    user-select: none;
    -webkit-user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.modal-close:hover {
    border-color: var(--color-gold);
    color: var(--color-gold);
    transform: rotate(90deg);
}

.modal-title {
    font-size: 2.5rem;
    color: var(--color-black);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.modal-artist {
    font-size: 1.1rem;
    color: var(--color-gold);
    margin-bottom: 2rem;
    font-weight: 500;
}

.modal-details {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 1.5rem 0;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.95rem;
    color: var(--color-grey);
}

.detail-item i {
    width: 20px;
    color: var(--color-gold);
    font-size: 1rem;
}

.detail-item.detail-price {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--color-black);
    margin-top: 0.5rem;
}

.detail-item.detail-price i {
    font-size: 1.2rem;
}

.modal-contact {
    width: 100%;
    justify-content: center;
}

/* =====================================
   UTILITY CLASSES
===================================== */

.hidden {
    display: none !important;
}