/* =====================================================
   ATELIER FUCHS'ART - DESIGN SYSTEM MODERNE
   Design responsive et accessible pour tous les appareils
===================================================== */

/* === VARIABLES CSS DESIGN SYSTEM === */
:root {
  /* Palette de couleurs raffinée */
  --primary-gold: #D4AF37;
  --accent-gold: #F4D03F;
  --dark-gold: #B8860B;
  --light-gold: #FFE4B5;
  
  --black-primary: #000000;
  --black-soft: #1a1a1a;
  --gray-dark: #2d2d2d;
  --gray-medium: #666666;
  --gray-light: #cccccc;
  --white: #ffffff;
  
  /* Système typographique */
  --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-secondary: Georgia, 'Times New Roman', serif;
  
  /* Tailles de police responsive */
  --fs-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --fs-sm: clamp(0.875rem, 0.8rem + 0.375vw, 1rem);
  --fs-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --fs-lg: clamp(1.125rem, 1rem + 0.625vw, 1.375rem);
  --fs-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.75rem);
  --fs-2xl: clamp(1.5rem, 1.3rem + 1vw, 2.25rem);
  --fs-3xl: clamp(2rem, 1.7rem + 1.5vw, 3rem);
  --fs-4xl: clamp(2.5rem, 2rem + 2.5vw, 4rem);
  
  /* Espacements */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  
  /* Breakpoints */
  --bp-sm: 576px;
  --bp-md: 768px;
  --bp-lg: 992px;
  --bp-xl: 1200px;
  --bp-2xl: 1400px;
  
  /* Ombres */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-gold: 0 4px 14px 0 rgba(212, 175, 55, 0.2);
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-normal: 250ms ease-in-out;
  --transition-slow: 350ms ease-in-out;
  
  /* Border radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;
  
  /* Z-index system */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}

/* === RESET ET BASE === */
*,
*::before,
*::after {
  box-sizing: border-box;
}

* {
  margin: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-4xl);
}

body {
  font-family: var(--font-primary);
  font-size: var(--fs-base);
  line-height: 1.6;
  color: var(--white);
  background-color: var(--black-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

input,
button,
textarea,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

p,
h1,
h2,
h3,
h4,
h5,
h6 {
  overflow-wrap: break-word;
}

/* === UTILITIES === */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.container {
  width: 100%;
  max-width: var(--bp-xl);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-md);
  padding-right: var(--space-md);
}

@media (min-width: 576px) {
  .container {
    padding-left: var(--space-lg);
    padding-right: var(--space-lg);
  }
}

@media (min-width: 768px) {
  .container {
    padding-left: var(--space-xl);
    padding-right: var(--space-xl);
  }
}

/* Grid system */
.grid {
  display: grid;
  gap: var(--space-md);
}

.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

@media (min-width: 576px) {
  .sm\\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sm\\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (min-width: 768px) {
  .md\\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .md\\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .md\\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (min-width: 992px) {
  .lg\\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .lg\\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .lg\\:grid-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
}

/* Flex utilities */
.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.items-center {
  align-items: center;
}

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.gap-2 { gap: var(--space-sm); }
.gap-4 { gap: var(--space-md); }
.gap-6 { gap: var(--space-lg); }
.gap-8 { gap: var(--space-xl); }

/* === NAVIGATION === */
.navbar {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  z-index: 1050 !important;
  background: rgba(0, 0, 0, 0.98) !important;
  backdrop-filter: blur(16px);
  border-bottom: 1px solid #333333;
  transition: transform 250ms ease-in-out;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  display: block !important;
  visibility: visible !important;
  opacity: 1 !important;
}

.navbar.hidden {
  transform: translateY(-100%);
}

.nav-container {
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  height: 70px;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 1rem;
  width: 100%;
  visibility: visible !important;
}

@media (min-width: 768px) {
  .nav-container {
    height: 80px;
    padding: 0 2rem;
  }
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  color: var(--primary-gold);
  font-weight: 700;
  font-size: var(--fs-lg);
}

.logo-image {
  height: 32px;
  width: auto;
  transition: transform var(--transition-normal);
}

.logo-image:hover {
  transform: scale(1.05);
}

@media (min-width: 768px) {
  .logo-image {
    height: 40px;
  }
}

.nav-menu {
  display: flex !important;
  align-items: center !important;
  gap: 1.5rem !important;
  visibility: visible !important;
}

@media (max-width: 991px) {
  .nav-menu {
    display: none !important;
  }
}

.nav-link {
  color: #ffffff;
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  transition: all 250ms ease-in-out;
  position: relative;
  white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
  color: #D4AF37;
  background: rgba(212, 175, 55, 0.15);
  transform: translateY(-1px);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  width: 0;
  height: 2px;
  background: #D4AF37;
  transition: all 250ms ease-in-out;
  transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 80%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Dropdowns */
.dropdown {
  position: relative;
}

.dropdown-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  background: #2d2d2d;
  border: 1px solid #666666;
  border-radius: 0.5rem;
  color: #ffffff;
  font-size: 0.875rem;
  transition: all 250ms ease-in-out;
  cursor: pointer;
  font-weight: 500;
  white-space: nowrap;
}

.dropdown-toggle:hover {
  background: #1a1a1a;
  border-color: #D4AF37;
  transform: translateY(-1px);
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + var(--space-xs));
  right: 0;
  background: var(--black-soft);
  border: 1px solid var(--gray-dark);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--transition-normal);
  z-index: var(--z-dropdown);
}

.dropdown:hover .dropdown-menu,
.dropdown.active .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  color: var(--gray-light);
  text-decoration: none;
  font-size: var(--fs-sm);
  transition: all var(--transition-fast);
}

.dropdown-item:hover {
  background: var(--gray-dark);
  color: var(--primary-gold);
}

.dropdown-item:first-child {
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.dropdown-item:last-child {
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

/* Flags */
.flag {
  width: 20px;
  height: 15px;
  border-radius: 2px;
  background-size: cover;
  background-position: center;
}

.flag-fr { background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 3 2"><rect width="1" height="2" fill="%23002654"/><rect x="1" width="1" height="2" fill="%23FFFFFF"/><rect x="2" width="1" height="2" fill="%23ED2939"/></svg>'); }
.flag-en { background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 60 30"><rect width="60" height="30" fill="%23012169"/><g fill="%23FFFFFF"><path d="M0 0v30h60V0z"/><path d="M25 0v30M0 10v10h60v-10z" fill="%23C8102E"/></g></svg>'); }
.flag-de { background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 5 3"><rect width="5" height="1" fill="%23000000"/><rect y="1" width="5" height="1" fill="%23DD0000"/><rect y="2" width="5" height="1" fill="%23FFCE00"/></svg>'); }
.flag-ar { background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 900 600"><rect width="900" height="600" fill="%23006233"/><polygon points="0,0 0,600 300,300" fill="%23FFFFFF"/><polygon points="0,0 0,600 250,300" fill="%23D21034"/></svg>'); }

/* Mobile menu */
.mobile-menu-toggle {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: var(--space-sm);
  background: none;
  border: none;
  color: var(--white);
}

@media (min-width: 992px) {
  .mobile-menu-toggle {
    display: none;
  }
}

.hamburger-line {
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: all var(--transition-normal);
  transform-origin: center;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

.mobile-menu {
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.98);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--gray-dark);
  transform: translateY(-100%);
  transition: transform var(--transition-normal);
  z-index: var(--z-modal);
}

@media (min-width: 768px) {
  .mobile-menu {
    top: 72px;
  }
}

.mobile-menu.active {
  transform: translateY(0);
}

.mobile-menu-content {
  padding: var(--space-xl) var(--space-md);
  max-height: calc(100vh - 64px);
  overflow-y: auto;
}

@media (min-width: 768px) {
  .mobile-menu-content {
    max-height: calc(100vh - 72px);
  }
}

.mobile-nav-link {
  display: block;
  color: var(--gray-light);
  text-decoration: none;
  font-weight: 500;
  font-size: var(--fs-lg);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--gray-dark);
  transition: color var(--transition-normal);
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
  color: var(--primary-gold);
}

.mobile-nav-link:last-child {
  border-bottom: none;
}

/* === BOUTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  border: none;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: var(--fs-sm);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-gold), var(--accent-gold));
  color: var(--black-primary);
  box-shadow: var(--shadow-gold);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(212, 175, 55, 0.4);
}

.btn-secondary {
  background: var(--black-soft);
  color: var(--white);
  border: 1px solid var(--gray-dark);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--gray-dark);
  border-color: var(--primary-gold);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--primary-gold);
  border: 2px solid var(--primary-gold);
}

.btn-outline:hover:not(:disabled) {
  background: var(--primary-gold);
  color: var(--black-primary);
}

.btn-sm {
  padding: var(--space-xs) var(--space-md);
  font-size: var(--fs-xs);
}

.btn-lg {
  padding: var(--space-md) var(--space-2xl);
  font-size: var(--fs-lg);
}

/* Cart button special styling */
.cart-btn {
  position: relative;
}

.cart-count {
  position: absolute;
  top: -8px;
  right: -8px;
  background: #e53e3e;
  color: var(--white);
  font-size: var(--fs-xs);
  font-weight: 700;
  min-width: 20px;
  height: 20px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

/* === SECTIONS === */
.section {
  padding: var(--space-4xl) 0;
}

.section-sm {
  padding: var(--space-2xl) 0;
}

.section-lg {
  padding: var(--space-4xl) 0;
}

@media (min-width: 768px) {
  .section {
    padding: 6rem 0;
  }
  
  .section-lg {
    padding: 8rem 0;
  }
}

.section-title {
  font-size: var(--fs-3xl);
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--space-2xl);
  background: linear-gradient(135deg, var(--primary-gold), var(--accent-gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: var(--fs-lg);
  color: var(--gray-light);
  text-align: center;
  margin-bottom: var(--space-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* === HERO SECTION === */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--black-primary) 0%, var(--black-soft) 100%);
  position: relative;
  overflow: hidden;
  padding-top: 80px; /* Espace pour la navbar */
  margin-top: 0;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 20%, rgba(212, 175, 55, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(244, 208, 63, 0.05) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero-title {
  font-size: var(--fs-4xl);
  font-weight: 700;
  margin-bottom: var(--space-lg);
  background: linear-gradient(135deg, var(--primary-gold), var(--accent-gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: var(--fs-xl);
  color: var(--gray-light);
  margin-bottom: var(--space-2xl);
  font-weight: 400;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  align-items: center;
}

@media (min-width: 576px) {
  .hero-actions {
    flex-direction: row;
    justify-content: center;
  }
}

/* === RESPONSIVE BEHAVIOR === */

/* Hide scrollbar but keep functionality */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--primary-gold) var(--gray-dark);
}

*::-webkit-scrollbar {
  width: 8px;
}

*::-webkit-scrollbar-track {
  background: var(--gray-dark);
}

*::-webkit-scrollbar-thumb {
  background: var(--primary-gold);
  border-radius: var(--radius-sm);
}

*::-webkit-scrollbar-thumb:hover {
  background: var(--accent-gold);
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  html {
    scroll-behavior: auto;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --primary-gold: #ffff00;
    --accent-gold: #ffff66;
    --gray-light: #ffffff;
    --gray-medium: #cccccc;
  }
}

/* Focus styles pour l'accessibilité */
*:focus {
  outline: 2px solid var(--primary-gold);
  outline-offset: 2px;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--primary-gold);
  outline-offset: 2px;
}

/* === GALERIE ET CARTES === */
.gallery-filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-2xl);
}

.filter-btn {
  padding: var(--space-sm) var(--space-lg);
  background: var(--black-soft);
  border: 1px solid var(--gray-dark);
  border-radius: var(--radius-full);
  color: var(--gray-light);
  font-size: var(--fs-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--primary-gold);
  color: var(--black-primary);
  border-color: var(--primary-gold);
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-xl);
  padding: var(--space-md) 0;
}

@media (min-width: 576px) {
  .gallery-grid {
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  }
}

@media (min-width: 768px) {
  .gallery-grid {
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--space-2xl);
  }
}

.artwork-card {
  background: var(--black-soft);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-normal);
  cursor: pointer;
  position: relative;
}

.artwork-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl), var(--shadow-gold);
}

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

.artwork-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

.artwork-status {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-full);
  font-size: var(--fs-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.artwork-status.available {
  background: rgba(34, 197, 94, 0.9);
  color: var(--white);
}

.artwork-status.reserved {
  background: rgba(251, 191, 36, 0.9);
  color: var(--black-primary);
}

.artwork-status.sold {
  background: rgba(239, 68, 68, 0.9);
  color: var(--white);
}

.artwork-certificate {
  position: absolute;
  top: var(--space-md);
  left: var(--space-md);
  background: rgba(212, 175, 55, 0.9);
  color: var(--black-primary);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-full);
  font-size: var(--fs-xs);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.artwork-info {
  padding: var(--space-lg);
}

.artwork-title {
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--white);
  margin-bottom: var(--space-xs);
  line-height: 1.3;
}

.artwork-artist {
  font-size: var(--fs-sm);
  color: var(--primary-gold);
  margin-bottom: var(--space-sm);
  font-weight: 500;
}

.artwork-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  font-size: var(--fs-sm);
}

.artwork-detail {
  color: var(--gray-light);
}

.artwork-detail strong {
  color: var(--white);
  font-weight: 600;
}

.artwork-price {
  font-size: var(--fs-xl);
  font-weight: 700;
  color: var(--primary-gold);
  text-align: center;
  padding: var(--space-sm) 0;
  border-top: 1px solid var(--gray-dark);
  margin-top: var(--space-md);
}

.artwork-actions {
  display: flex;
  gap: var(--space-sm);
  padding: 0 var(--space-lg) var(--space-lg);
}

.artwork-actions .btn {
  flex: 1;
  justify-content: center;
}

/* === ARTISTES === */
.artists-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--space-xl);
}

@media (min-width: 768px) {
  .artists-grid {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  }
}

.artist-card {
  background: var(--black-soft);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-normal);
  text-align: center;
  cursor: pointer;
}

.artist-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.artist-photo-container {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
}

.artist-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.artist-card:hover .artist-photo {
  transform: scale(1.05);
}

.artist-info {
  padding: var(--space-xl);
}

.artist-name {
  font-size: var(--fs-xl);
  font-weight: 700;
  color: var(--white);
  margin-bottom: var(--space-sm);
}

.artist-specialty {
  font-size: var(--fs-sm);
  color: var(--primary-gold);
  margin-bottom: var(--space-md);
  font-weight: 500;
}

.artist-bio {
  font-size: var(--fs-sm);
  color: var(--gray-light);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* === MODALES === */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  padding: var(--space-md);
}

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

.modal-content {
  background: var(--black-soft);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  max-width: 90vw;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  transform: scale(0.9);
  transition: transform var(--transition-normal);
}

.modal.active .modal-content {
  transform: scale(1);
}

.modal-close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  background: rgba(0, 0, 0, 0.5);
  border: none;
  border-radius: var(--radius-full);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: var(--fs-xl);
  cursor: pointer;
  transition: all var(--transition-normal);
  z-index: 10;
}

.modal-close:hover {
  background: rgba(212, 175, 55, 0.8);
  transform: scale(1.1);
}

.modal-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  padding: var(--space-xl);
}

@media (min-width: 768px) {
  .modal-body {
    grid-template-columns: 1fr 1fr;
    max-width: 1000px;
  }
}

.modal-image-container {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.modal-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  cursor: zoom-in;
  transition: transform var(--transition-normal);
}

.modal-image.zoomed {
  cursor: zoom-out;
}

.modal-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.modal-title {
  font-size: var(--fs-2xl);
  font-weight: 700;
  color: var(--white);
  margin-bottom: var(--space-sm);
}

.modal-artist {
  font-size: var(--fs-lg);
  color: var(--primary-gold);
  font-weight: 600;
}

.modal-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.modal-detail {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.modal-detail-label {
  font-size: var(--fs-sm);
  color: var(--gray-light);
  font-weight: 500;
}

.modal-detail-value {
  font-size: var(--fs-base);
  color: var(--white);
  font-weight: 600;
}

.modal-description {
  font-size: var(--fs-base);
  color: var(--gray-light);
  line-height: 1.6;
  margin: var(--space-lg) 0;
}

.modal-price {
  font-size: var(--fs-2xl);
  font-weight: 700;
  color: var(--primary-gold);
  text-align: center;
  padding: var(--space-lg);
  background: rgba(212, 175, 55, 0.1);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(212, 175, 55, 0.3);
}

.modal-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

@media (min-width: 576px) {
  .modal-actions {
    flex-direction: row;
  }
}

/* === FORMULAIRES === */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.form-label {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--white);
}

.form-input,
.form-textarea,
.form-select {
  padding: var(--space-md);
  background: var(--black-soft);
  border: 1px solid var(--gray-dark);
  border-radius: var(--radius-md);
  color: var(--white);
  font-size: var(--fs-base);
  transition: all var(--transition-normal);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--primary-gold);
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--gray-medium);
}

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

.form-error {
  color: #ef4444;
  font-size: var(--fs-sm);
  margin-top: var(--space-xs);
}

.form-success {
  color: #22c55e;
  font-size: var(--fs-sm);
  margin-top: var(--space-xs);
}

/* === FOOTER === */
.footer {
  background: var(--black-soft);
  border-top: 1px solid var(--gray-dark);
  padding: var(--space-4xl) 0 var(--space-xl);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

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

@media (min-width: 992px) {
  .footer-content {
    grid-template-columns: repeat(3, 1fr);
  }
}

.footer-section h3 {
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--primary-gold);
  margin-bottom: var(--space-md);
}

.footer-section p,
.footer-section a {
  color: var(--gray-light);
  font-size: var(--fs-sm);
  line-height: 1.6;
  text-decoration: none;
  transition: color var(--transition-normal);
}

.footer-section a:hover {
  color: var(--primary-gold);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-xl);
  border-top: 1px solid var(--gray-dark);
  color: var(--gray-medium);
  font-size: var(--fs-sm);
}

/* === ANIMATIONS === */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

.animate-fade-in {
  animation: fadeIn 0.6s ease-out;
}

.animate-fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

/* Loading states */
.loading {
  position: relative;
  overflow: hidden;
}

.loading::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(212, 175, 55, 0.2),
    transparent
  );
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% {
    left: -100%;
  }
  100% {
    left: 100%;
  }
}

/* === AMÉLIORATIONS POUR L'INTERFACE ENHANCED === */

/* Navigation avec effet de masquage */
.navbar.hidden {
  transform: translateY(-100%);
}

/* Images avec chargement progressif */
.artwork-image,
.artist-photo {
  opacity: 0.3;
  filter: blur(2px);
  transition: all var(--transition-slow);
}

.artwork-image.loaded,
.artist-photo.loaded {
  opacity: 1;
  filter: blur(0);
}

/* Messages de notification améliorés */
.notification {
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.notification-success {
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.9), rgba(34, 197, 94, 0.8));
}

.notification-error {
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.9), rgba(239, 68, 68, 0.8));
}

.notification-warning {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.9), rgba(245, 158, 11, 0.8));
}

.notification-info {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.9), rgba(59, 130, 246, 0.8));
}

/* États de chargement améliorés */
.loading-spinner {
  background: conic-gradient(
    from 0deg,
    var(--primary-gold) 0deg,
    transparent 90deg,
    transparent 270deg,
    var(--primary-gold) 360deg
  );
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* Cartes avec effet de profondeur */
.artwork-card,
.artist-card {
  position: relative;
  overflow: hidden;
}

.artwork-card::before,
.artist-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(212, 175, 55, 0.1),
    transparent
  );
  transition: left 0.6s ease;
  z-index: 1;
}

.artwork-card:hover::before,
.artist-card:hover::before {
  left: 100%;
}

/* Overlay amélioré */
.artwork-overlay,
.artist-overlay {
  background: linear-gradient(
    135deg,
    rgba(0, 0, 0, 0.7),
    rgba(0, 0, 0, 0.9)
  );
  backdrop-filter: blur(4px);
}

/* Boutons avec micro-interactions */
.btn-icon {
  position: relative;
  overflow: hidden;
}

.btn-icon::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: all 0.3s ease;
}

.btn-icon:hover::before {
  width: 100px;
  height: 100px;
}

/* Formulaires avec validation visuelle */
.form-input:valid,
.form-textarea:valid,
.form-select:valid {
  border-color: #22c55e;
  box-shadow: 0 0 0 1px rgba(34, 197, 94, 0.2);
}

.form-input:invalid:not(:placeholder-shown),
.form-textarea:invalid:not(:placeholder-shown) {
  border-color: #ef4444;
  box-shadow: 0 0 0 1px rgba(239, 68, 68, 0.2);
}

/* Messages de formulaire */
.form-message {
  padding: var(--space-md);
  border-radius: var(--radius-md);
  font-size: var(--fs-sm);
  font-weight: 500;
  margin-bottom: var(--space-lg);
  opacity: 0;
  transform: translateY(-10px);
  transition: all var(--transition-normal);
}

.form-message:not(:empty) {
  opacity: 1;
  transform: translateY(0);
}

.form-message.form-success {
  background: rgba(34, 197, 94, 0.1);
  color: #22c55e;
  border: 1px solid rgba(34, 197, 94, 0.3);
}

.form-message.form-error {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

/* Prix avec effet de surbrillance */
.artwork-price,
.modal-price {
  position: relative;
  background: linear-gradient(
    135deg,
    rgba(212, 175, 55, 0.1),
    rgba(244, 208, 63, 0.1)
  );
  overflow: hidden;
}

.artwork-price::before,
.modal-price::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(212, 175, 55, 0.2),
    transparent
  );
  animation: priceShimmer 3s infinite;
}

@keyframes priceShimmer {
  0%, 90%, 100% {
    left: -100%;
  }
  10%, 80% {
    left: 100%;
  }
}

/* États vides avec style */
.empty-state,
.error-container {
  background: radial-gradient(
    circle at center,
    rgba(212, 175, 55, 0.05),
    transparent 70%
  );
  border: 2px dashed var(--gray-dark);
  border-radius: var(--radius-xl);
}

/* Responsive amélioré */
@media (max-width: 576px) {
  .artwork-overlay,
  .artist-overlay {
    opacity: 0.9;
  }
  
  .artwork-actions-overlay {
    position: static;
    transform: none;
    opacity: 1;
    background: none;
    justify-content: center;
    margin-top: var(--space-md);
  }
  
  .btn-icon {
    width: 44px;
    height: 44px;
    font-size: var(--fs-lg);
  }
}

@media (hover: none) {
  /* Styles pour les appareils tactiles */
  .artwork-overlay,
  .artist-overlay {
    opacity: 0;
  }
  
  .artwork-card:active .artwork-overlay,
  .artist-card:active .artist-overlay {
    opacity: 1;
  }
}

/* Animations d'apparition pour les éléments */
@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

.animate-slide-left {
  animation: slideInLeft 0.6s ease-out;
}

.animate-slide-right {
  animation: slideInRight 0.6s ease-out;
}

/* Amélioration du spinner de chargement */
@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* Effets de focus améliorés */
.btn:focus-visible,
.filter-btn:focus-visible,
.dropdown-toggle:focus-visible {
  outline: 3px solid rgba(212, 175, 55, 0.5);
  outline-offset: 2px;
  box-shadow: 0 0 0 6px rgba(212, 175, 55, 0.1);
}

/* Performance optimizations */
.artwork-card,
.artist-card,
.btn-icon {
  will-change: transform;
}

.artwork-image,
.artist-photo {
  will-change: transform, filter;
}

/* Support du dark mode système */
@media (prefers-color-scheme: dark) {
  :root {
    /* Les variables sont déjà optimisées pour le dark mode */
  }
}

/* Impression */
@media print {
  .navbar,
  .modal,
  .notification {
    display: none !important;
  }
  
  .artwork-card,
  .artist-card {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid #ccc;
  }
}