/* ============================================
   Neo-Minimalist & Kinetic Design System
   "The Invisible Museum" - Art Gallery
   ============================================ */

:root {
  /* Achromatic Base Palette */
  --color-gallery-white: #FFFFFF;
  --color-ebonized-wood: #121212;
  --color-soft-concrete: #EFEFEF;
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Space Grotesk', var(--font-primary);
  
  /* Spacing Scale */
  --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;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  
  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  
  /* Z-Index Scale */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
}

/* ============================================
   Reset & Base Styles
   ============================================ */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-primary);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-ebonized-wood);
  background-color: var(--color-gallery-white);
  overflow-x: hidden;
}

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

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

a:hover {
  opacity: 0.7;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  transition: all var(--transition-fast);
}

/* ============================================
   Typography
   ============================================ */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 600;
}

h2 {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
}

p {
  margin-bottom: var(--space-md);
}

/* ============================================
   Header & Navigation
   ============================================ */

.site-header {
  position: relative;
  width: 100%;
  padding: var(--space-lg) var(--space-xl);
  background-color: var(--color-gallery-white);
  border-bottom: 1px solid var(--color-soft-concrete);
  z-index: var(--z-fixed);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-brand {
  font-family: var(--font-display);
  font-size: clamp(1rem, 2vw, 1.3rem);
  font-weight: 500;
  color: var(--color-ebonized-wood);
}

.nav-menu {
  display: flex;
  gap: 15px;
  list-style: none;
  align-items: center;
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  position: relative;
  padding: var(--space-sm) 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-ebonized-wood);
  transition: width var(--transition-base);
}

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

/* Burger Menu - Visible only up to 1023px */
.burger-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  width: 24px;
  height: 20px;
  cursor: pointer;
  z-index: var(--z-modal);
  position: relative;
}

.burger-line {
  width: 100%;
  height: 2px;
  background-color: var(--color-ebonized-wood);
  transition: all var(--transition-base);
}

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

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

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

.mobile-nav {
  display: none;
  position: fixed;
  top: 0;
  right: -100%;
  width: 320px;
  max-width: 85vw;
  height: 100vh;
  background-color: var(--color-gallery-white);
  border-left: 1px solid var(--color-soft-concrete);
  z-index: var(--z-modal);
  padding: var(--space-3xl) var(--space-xl);
  transition: right var(--transition-base);
  overflow-y: auto;
  box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
}

.mobile-nav.active {
  right: 0;
}

.mobile-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.mobile-nav-link {
  font-size: 1rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-soft-concrete);
}

.mobile-nav-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(18, 18, 18, 0.5);
  z-index: calc(var(--z-modal) - 1);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.mobile-nav-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* ============================================
   Hero Banners (Full-Width)
   ============================================ */

.hero-banner {
  width: 100vw;
  position: relative;
  margin-left: calc(-50vw + 50%);
  margin-right: calc(-50vw + 50%);
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: var(--space-3xl) var(--space-xl);
  max-width: 900px;
  width: 100%;
  margin: 0 auto;
}

.hero-title {
  margin-bottom: var(--space-lg);
  color: white;
  text-shadow: 0 2px 15px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: white;
  font-weight: 300;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.5);
  max-width: 700px;
  margin: 0 auto;
}
.footer-bottom p{color: black}
.footer-contact-info p{color: black}
.footer-menu a{
  color: black;
}
.hero-image {
  display: none;
}

.hero-image-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(18, 18, 18, 0.5) 0%, rgba(18, 18, 18, 0.7) 100%);
  z-index: 1;
}

/* ============================================
   Main Content Sections
   ============================================ */

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-4xl) var(--space-xl);
}

.content-section {
  margin-bottom: var(--space-4xl);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
  width: 100%;
}

.content-section.visible {
  opacity: 1;
  transform: translateY(0);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.section-title {
  margin-bottom: var(--space-md);
}

.section-description {
  font-size: 1.125rem;
  color: #666;
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.7;
}

/* Image Grids */
.image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.image-grid-item {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background-color: var(--color-soft-concrete);
  border-radius: var(--radius-md);
}

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

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

/* Asymmetrical Grid */
.asymmetrical-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.asymmetrical-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.asymmetrical-item.large {
  grid-column: span 1;
}

.asymmetrical-item img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform var(--transition-slow);
}

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

/* Banner with Image Below Text */
.banner-section {
  width: 100%;
  position: relative;
  padding: var(--space-4xl) var(--space-xl);
  background-color: var(--color-gallery-white);
  max-width: 1200px;
  margin: 0 auto;
}

.banner-text-content {
  max-width: 800px;
  margin: 0 auto var(--space-3xl);
  text-align: center;
}

.banner-text-content h3 {
  margin-bottom: var(--space-md);
}

.banner-text-content p {
  margin-bottom: var(--space-md);
  line-height: 1.7;
}

.banner-image-container {
  max-width: 1000px;
  margin: 0 auto;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.banner-image-container img {
  width: 100%;
  height: auto;
  display: block;
}

/* ============================================
   Forms
   ============================================ */

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

.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--space-sm);
  font-size: 0.875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-md);
  border: 1px solid var(--color-soft-concrete);
  background-color: var(--color-gallery-white);
  font-family: inherit;
  font-size: 1rem;
  transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-ebonized-wood);
}

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

.form-checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.form-checkbox {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  cursor: pointer;
}

.form-checkbox-label {
  font-size: 0.875rem;
  line-height: 1.5;
}

.form-submit {
  width: 100%;
  padding: var(--space-md) var(--space-xl);
  background-color: var(--color-ebonized-wood);
  color: var(--color-gallery-white);
  font-size: 0.9375rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: var(--space-lg);
  transition: background-color var(--transition-fast);
}

.form-submit:hover {
  background-color: #333;
}

/* ============================================
   Products Grid
   ============================================ */

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.product-card {
  background-color: var(--color-gallery-white);
  border: 1px solid var(--color-soft-concrete);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.product-image {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background-color: var(--color-soft-concrete);
}

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

.product-title {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}

.product-description {
  font-size: 0.9375rem;
  color: #666;
  margin-bottom: var(--space-md);
}

.product-price {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-ebonized-wood);
}

/* ============================================
   Artists Grid
   ============================================ */

.artists-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
}

.artist-card {
  text-align: center;
}

.artist-image {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  margin-bottom: var(--space-lg);
  background-color: var(--color-soft-concrete);
}

.artist-name {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}

.artist-bio {
  font-size: 0.9375rem;
  color: #666;
  line-height: 1.6;
}

/* ============================================
   Exhibitions Timeline
   ============================================ */

.exhibitions-timeline {
  position: relative;
  padding-left: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.exhibitions-timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background-color: var(--color-soft-concrete);
}

.exhibition-item {
  position: relative;
  padding-bottom: var(--space-3xl);
  padding-left: var(--space-xl);
}

.exhibition-item::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--space-xl) - 5px);
  top: 0;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--color-ebonized-wood);
  border: 2px solid var(--color-gallery-white);
}

.exhibition-date {
  font-size: 0.875rem;
  color: #666;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-sm);
}

.exhibition-title {
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
}

.exhibition-description {
  color: #666;
  margin-bottom: var(--space-md);
}

/* ============================================
   Google Maps
   ============================================ */

.map-container {
  width: 100%;
  height: 400px;
  margin: var(--space-xl) 0;
  border: 1px solid var(--color-soft-concrete);
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* ============================================
   Footer
   ============================================ */

.site-footer {
  background-color: var(--color-ebonized-wood);
  color: var(--color-gallery-white);
  padding: var(--space-3xl) var(--space-xl);
  margin-top: var(--space-4xl);
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-xl);
}

.footer-section-title {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-md);
}

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

.footer-menu-item {
  margin-bottom: var(--space-sm);
}

.footer-link {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.8);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--color-gallery-white);
}

.footer-contact-info {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.8;
}

.footer-bottom {
  margin-top: var(--space-xl);
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
}

/* ============================================
   Privacy Policy Popup
   ============================================ */

.privacy-popup {
  display: none;
  position: fixed;
  bottom: var(--space-lg);
  left: var(--space-lg);
  right: var(--space-lg);
  max-width: 500px;
  background-color: var(--color-gallery-white);
  border: 1px solid var(--color-soft-concrete);
  padding: var(--space-lg);
  box-shadow: var(--shadow-lg);
  z-index: var(--z-modal);
}

.privacy-popup.active {
  display: block;
}

.privacy-popup-text {
  font-size: 0.875rem;
  margin-bottom: var(--space-md);
  line-height: 1.6;
}

.privacy-popup-buttons {
  display: flex;
  gap: var(--space-md);
}

.privacy-popup-button {
  flex: 1;
  padding: var(--space-sm) var(--space-md);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.privacy-popup-accept {
  background-color: var(--color-ebonized-wood);
  color: var(--color-gallery-white);
}

.privacy-popup-accept:hover {
  background-color: #333;
}

.privacy-popup-decline {
  background-color: var(--color-soft-concrete);
  color: var(--color-ebonized-wood);
}

.privacy-popup-decline:hover {
  background-color: #ddd;
}

/* ============================================
   Thank You Page
   ============================================ */

.thank-you-container {
  text-align: center;
  padding: var(--space-4xl) var(--space-xl);
  max-width: 700px;
  margin: 0 auto;
}

.thank-you-title {
  margin-bottom: var(--space-lg);
}

.thank-you-message {
  font-size: 1.125rem;
  color: #666;
  line-height: 1.8;
  margin-bottom: var(--space-xl);
}

/* ============================================
   404 Page
   ============================================ */

.error-container {
  text-align: center;
  padding: var(--space-4xl) var(--space-xl);
  max-width: 700px;
  margin: 0 auto;
}

.error-code {
  font-size: clamp(4rem, 10vw, 8rem);
  font-weight: 300;
  margin-bottom: var(--space-lg);
  color: var(--color-ebonized-wood);
}

.error-message {
  font-size: 1.25rem;
  margin-bottom: var(--space-xl);
  color: #666;
}

/* ============================================
   Cursor Interaction (Magnifying Glass)
   ============================================ */

.cursor-magnifier {
  position: fixed;
  width: 60px;
  height: 60px;
  border: 2px solid var(--color-ebonized-wood);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  display: none;
  transform: translate(-50%, -50%);
  background-color: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(4px);
}

.cursor-magnifier.active {
  display: block;
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 1023px) {
  .nav-menu {
    display: none;
  }
  
  .burger-toggle {
    display: flex;
  }
  
  .mobile-nav,
  .mobile-nav-overlay {
    display: block;
  }
  
  .hero-banner {
    min-height: 50vh;
  }
  
  .image-grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }
}

@media (max-width: 768px) {
  .site-header {
    padding: var(--space-md) var(--space-lg);
  }
  
  main {
    padding: var(--space-2xl) var(--space-lg);
  }
  
  .banner-section {
    padding: var(--space-2xl) var(--space-lg);
  }
  
  .image-grid {
    grid-template-columns: 1fr;
  }
  
  .products-grid {
    grid-template-columns: 1fr;
  }
  
  .artists-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
  
  .privacy-popup {
    left: var(--space-md);
    right: var(--space-md);
  }
}

@media (max-width: 480px) {
  html {
    font-size: 14px;
  }
  
  .hero-banner {
    min-height: 40vh;
  }
  
  .hero-content {
    padding: var(--space-xl) var(--space-md);
  }
  
  main {
    padding: var(--space-xl) var(--space-md);
  }
  
  .banner-section {
    padding: var(--space-xl) var(--space-md);
  }
}

@media (max-width: 320px) {
  html {
    font-size: 12px;
  }
  
  .site-header {
    padding: var(--space-sm) var(--space-md);
  }
  
  main {
    padding: var(--space-lg) var(--space-md);
  }
}

/* ============================================
   Dark Mode Support (Optional)
   ============================================ */

@media (prefers-color-scheme: dark) {
  :root {
    --color-gallery-white: #121212;
    --color-ebonized-wood: #FFFFFF;
    --color-soft-concrete: #2a2a2a;
  }
}