/* Tailwind CSS - Loaded via CDN in HTML */

/* Custom Fonts */
@import url('https://fonts.googleapis.com/css2?family=Libre+Caslon+Text:ital,wght@0,400;0,700;1,400&family=Inter:wght@300;400;500;600;700&display=swap');

/* CSS Variables */
:root {
  --font-serif: 'Libre Caslon Text', 'Times New Roman', serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --color-primary: #1a1a1a;
  --color-secondary: #4a4a4a;
  --color-accent: #2563eb;
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  color: var(--color-primary);
  background-color: #fafafa;
  line-height: 1.6;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.2;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }

@media (min-width: 768px) {
  h1 { font-size: 3.5rem; }
  h2 { font-size: 2.5rem; }
  h3 { font-size: 1.75rem; }
}

/* Container */
.container-custom {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 640px) {
  .container-custom { padding: 0 1.5rem; }
}

@media (min-width: 1024px) {
  .container-custom { padding: 0 2rem; }
}

/* Header */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: var(--transition);
}

header.scrolled {
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

header.transparent {
  background-color: transparent;
}

header.transparent .nav-link,
header.transparent .logo {
  color: white;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

.logo {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  text-decoration: none;
  transition: var(--transition);
}

/* Navigation */
nav ul {
  list-style: none;
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-link {
  text-decoration: none;
  position: relative;
  padding: 0.5rem 0;
  transition: var(--transition);
  font-weight: 500;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background-color: currentColor;
  transition: width 0.3s ease;
}

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

/* Language Selector */
.lang-selector {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.lang-selector a {
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.25rem 0.5rem;
  border-radius: 0.25rem;
  transition: var(--transition);
}

.lang-selector a.active {
  background-color: var(--color-primary);
  color: white;
}

.lang-selector a:not(.active):hover {
  background-color: rgba(0, 0, 0, 0.1);
}

/* Mobile Menu */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-menu-btn svg {
  width: 24px;
  height: 24px;
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: white;
  z-index: 999;
  padding: 5rem 2rem 2rem;
}

.mobile-menu.active {
  display: block;
}

.mobile-menu nav ul {
  flex-direction: column;
  gap: 1.5rem;
}

.mobile-menu .nav-link {
  font-size: 1.5rem;
}

@media (max-width: 768px) {
  .desktop-nav {
    display: none;
  }
  
  .mobile-menu-btn {
    display: block;
  }
}

/* Hero Section */
.hero-section {
  height: 90vh;
  min-height: 600px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-section img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to bottom, rgba(0,0,0,0.3), rgba(0,0,0,0.5));
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  color: white;
  padding: 2rem;
}

.hero-content h1 {
  margin-bottom: 1rem;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.hero-content p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  text-decoration: none;
  border: 2px solid;
  transition: var(--transition);
  font-weight: 500;
  cursor: pointer;
}

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

.btn-primary:hover {
  background-color: transparent;
  color: white;
  border-color: white;
}

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

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

/* Scroll Down Button */
.scroll-down {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  animation: bounce 2s infinite;
  cursor: pointer;
  background: none;
  border: none;
  color: white;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
  40% { transform: translateX(-50%) translateY(-10px); }
  60% { transform: translateX(-50%) translateY(-5px); }
}

/* Gallery Grid */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
}

@media (min-width: 768px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Gallery Card */
.gallery-card {
  position: relative;
  overflow: hidden;
  border-radius: 0.5rem;
  transition: var(--transition);
  cursor: pointer;
}

.gallery-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.gallery-card-image {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
}

.gallery-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.gallery-card-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
  padding: 1.5rem;
  color: white;
}

.gallery-card-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.gallery-card-description {
  font-size: 0.875rem;
  opacity: 0.9;
  margin-bottom: 0.75rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.gallery-card-link {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 500;
  border-bottom: 1px solid white;
  padding-bottom: 2px;
  transition: var(--transition);
}

.gallery-card:hover .gallery-card-link {
  padding-bottom: 5px;
}

/* Gallery Detail */
.gallery-hero {
  position: relative;
  height: 50vh;
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.gallery-hero img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery-hero h1 {
  position: relative;
  z-index: 10;
  color: white;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
  padding: 2rem;
  text-align: center;
}

.gallery-content {
  padding: 4rem 0;
}

.gallery-description {
  max-width: 800px;
  margin: 0 auto 3rem;
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--color-secondary);
}

.gallery-images {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 768px) {
  .gallery-images {
    grid-template-columns: repeat(2, 1fr);
  }
}

.gallery-image-item {
  overflow: hidden;
  border-radius: 0.5rem;
  transition: var(--transition);
}

.gallery-image-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.gallery-image-item img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.5s ease;
}

.gallery-image-item:hover img {
  transform: scale(1.03);
}

.gallery-image-caption {
  padding: 1rem;
  background-color: #f9f9f9;
  font-size: 0.875rem;
  color: var(--color-secondary);
}

/* Back Link */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--color-secondary);
  font-weight: 500;
  margin-bottom: 2rem;
  transition: var(--transition);
}

.back-link:hover {
  color: var(--color-primary);
  gap: 0.75rem;
}

/* About Page */
.about-section {
  margin-bottom: 5rem;
}

.about-section h2 {
  font-size: 2rem;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid #e5e5e5;
}

.bio-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: start;
}

@media (min-width: 768px) {
  .bio-grid {
    grid-template-columns: 1fr 2fr;
  }
}

.bio-image {
  width: 100%;
  border-radius: 0.5rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.bio-text {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--color-secondary);
}

.bio-text p {
  margin-bottom: 1.5rem;
}

/* Video Container */
.video-container {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: 0.5rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* Exhibition/Publication Cards */
.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 768px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.card {
  background-color: white;
  border-radius: 0.5rem;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  transition: var(--transition);
}

.card:hover {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  transform: translateY(-3px);
}

.card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.card-content {
  padding: 1.5rem;
}

.card-badge {
  display: inline-block;
  background-color: var(--color-primary);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 1rem;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.card-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.card-meta {
  color: var(--color-secondary);
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

.card-description {
  color: var(--color-secondary);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.875rem;
  transition: var(--transition);
}

.card-link:hover {
  gap: 0.75rem;
}

/* Contact Form */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

@media (min-width: 1024px) {
  .contact-grid {
    grid-template-columns: 1fr 1fr;
  }
}

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

.form-label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--color-primary);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid #d1d5db;
  border-radius: 0.375rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  transition: var(--transition);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.1);
}

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

.contact-info-box {
  background-color: white;
  padding: 2rem;
  border-radius: 0.5rem;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.contact-info-item {
  display: flex;
  align-items: start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.contact-info-item svg {
  flex-shrink: 0;
  margin-top: 0.25rem;
  color: var(--color-secondary);
}

.contact-info-label {
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.contact-info-value {
  color: var(--color-secondary);
}

.contact-info-value a {
  color: var(--color-secondary);
  text-decoration: none;
  transition: var(--transition);
}

.contact-info-value a:hover {
  color: var(--color-primary);
}

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

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: #f3f4f6;
  color: var(--color-secondary);
  text-decoration: none;
  transition: var(--transition);
}

.social-link:hover {
  background-color: var(--color-primary);
  color: white;
}

/* Footer */
footer {
  background-color: #1a1a1a;
  color: white;
  padding: 3rem 0 2rem;
  margin-top: 5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.footer-section h3 {
  font-size: 1.125rem;
  margin-bottom: 1rem;
  color: white;
}

.footer-nav {
  list-style: none;
}

.footer-nav li {
  margin-bottom: 0.75rem;
}

.footer-link {
  color: #9ca3af;
  text-decoration: none;
  transition: var(--transition);
}

.footer-link:hover {
  color: white;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: #9ca3af;
  font-size: 0.875rem;
}

/* Animations */
.fade-in {
  animation: fadeIn 0.8s ease-in-out;
}

.slide-up {
  animation: slideUp 0.6s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { 
    opacity: 0;
    transform: translateY(20px);
  }
  to { 
    opacity: 1;
    transform: translateY(0);
  }
}

/* Loading Spinner */
.spinner {
  display: inline-block;
  width: 40px;
  height: 40px;
  border: 4px solid rgba(0, 0, 0, 0.1);
  border-left-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Utility Classes */
.text-center { text-align: center; }
.mb-8 { margin-bottom: 2rem; }
.mb-16 { margin-bottom: 4rem; }
.py-24 { padding-top: 6rem; padding-bottom: 6rem; }

/* ===================================
   LIGHTBOX
   =================================== */

.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.95);
  z-index: 10000;
  display: none;
  align-items: center;
  justify-content: center;
}

.lightbox.active {
  display: flex;
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: rgba(255, 255, 255, 0.2);
  border: none;
  color: white;
  font-size: 40px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  cursor: pointer;
  z-index: 10002;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  transition: background 0.3s ease;
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.3);
}

.lightbox-counter {
  position: absolute;
  top: 30px;
  left: 50%;
  transform: translateX(-50%);
  color: white;
  font-size: 18px;
  font-weight: 500;
  z-index: 10002;
  background: rgba(0, 0, 0, 0.5);
  padding: 8px 16px;
  border-radius: 20px;
}

.lightbox-swiper {
  width: 100%;
  height: 100%;
  padding: 100px 80px;
}

.lightbox-swiper .swiper-slide {
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-image-container {
  max-width: 100%;
  max-height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-image-container img {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  border-radius: 4px;
}

.lightbox-caption {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  color: white;
  font-size: 16px;
  text-align: center;
  z-index: 10002;
  background: rgba(0, 0, 0, 0.7);
  padding: 12px 24px;
  border-radius: 8px;
  max-width: 80%;
}

/* Flèches navigation lightbox */
.lightbox .swiper-button-prev,
.lightbox .swiper-button-next {
  color: white;
  width: 50px;
  height: 50px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  transition: background 0.3s ease;
}

.lightbox .swiper-button-prev:hover,
.lightbox .swiper-button-next:hover {
  background: rgba(255, 255, 255, 0.3);
}

.lightbox .swiper-button-prev::after,
.lightbox .swiper-button-next::after {
  font-size: 24px;
  font-weight: bold;
}

/* Responsive lightbox */
@media (max-width: 768px) {
  .lightbox-swiper {
    padding: 80px 20px;
  }
  
  .lightbox-close {
    top: 10px;
    right: 10px;
    width: 40px;
    height: 40px;
    font-size: 30px;
  }
  
  .lightbox-counter {
    top: 15px;
    font-size: 14px;
    padding: 6px 12px;
  }
  
  .lightbox-caption {
    bottom: 20px;
    font-size: 14px;
    padding: 10px 16px;
    max-width: 90%;
  }
  
  .lightbox .swiper-button-prev,
  .lightbox .swiper-button-next {
    width: 40px;
    height: 40px;
  }
  
  .lightbox .swiper-button-prev::after,
  .lightbox .swiper-button-next::after {
    font-size: 20px;
  }
}