/* ============================================
   FUTURISTIC ART CURATION WEBSITE
   Museum of the Year 3000 - Prism & Void Aesthetic
   ============================================ */

:root {
  /* Colors - Prism & Void Theme */
  --color-bg-primary: #121212;
  --color-bg-secondary: #1A1C1E;
  --color-accent-primary: #E0E0E0;
  --color-accent-secondary: #FFBF00;
  --color-text-primary: #E0E0E0;
  --color-text-secondary: #B0B0B0;
  --color-border: rgba(224, 224, 224, 0.1);
  
  /* Typography */
  --font-primary: 'Inter', 'Segoe UI', system-ui, sans-serif;
  --font-secondary: 'Space Grotesk', sans-serif;
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px rgba(255, 191, 0, 0.3);
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */

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

html {
  font-size: 16px;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

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

/* Cursor Aura Effect */
body::before {
  content: '';
  position: fixed;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 191, 0, 0.1) 0%, transparent 70%);
  pointer-events: none;
  transform: translate(-50%, -50%);
  z-index: 9999;
  opacity: 0;
  transition: opacity var(--transition-base);
}

body.cursor-active::before {
  opacity: 1;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-secondary);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
}

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

h2 {
  font-size: clamp(1.5rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.25rem, 3vw, 2rem);
}

p {
  margin-bottom: var(--space-sm);
  color: var(--color-text-secondary);
}

a {
  color: var(--color-accent-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent-secondary);
}

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

.header-container {
  position: relative;
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1000;
  background: rgba(26, 28, 30, 0.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.brand-name {
  font-family: var(--font-secondary);
  font-size: clamp(1rem, 2vw, 1.35rem);
  font-weight: 600;
  color: var(--color-accent-primary);
}

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

.nav-link {
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  position: relative;
  padding: var(--space-xs) 0;
}

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

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

/* Burger Menu */
.burger-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-xs);
  z-index: 1000001;
  position: relative;
}

.burger-icon {
  width: 28px;
  height: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-around;
}

.burger-line {
  width: 100%;
  height: 2px;
  background: var(--color-accent-primary);
  transition: all var(--transition-base);
  transform-origin: center;
}

.burger-toggle.active .burger-line:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

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

.burger-toggle.active .burger-line:nth-child(3) {
  transform: rotate(-45deg) translate(8px, -8px);
}

/* Mobile Navigation */
@media (max-width: 1023px) {
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 320px;
    height: 100vh;
    background: var(--color-bg-secondary);
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    padding: var(--space-xl) var(--space-lg);
    gap: var(--space-md);
    transition: right var(--transition-base);
    border-left: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
  }

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

  .burger-toggle {
    display: flex;
  }

  .header-container {
    padding: var(--space-sm) var(--space-md);
  }
}

/* ============================================
   HERO BANNERS (Full-Width)
   ============================================ */

.hero-section {
  position: relative;
  width: 100vw;
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-left: calc(-50vw + 50%);
  margin-right: calc(-50vw + 50%);
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
  opacity: 0.35;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    180deg,
    rgba(18, 18, 18, 0.85) 0%,
    rgba(18, 18, 18, 0.75) 50%,
    rgba(18, 18, 18, 0.9) 100%
  );
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  padding: var(--space-xl) var(--space-md);
  max-width: 1200px;
  margin: 0 auto;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 5rem);
  margin-bottom: var(--space-md);
  background: linear-gradient(135deg, var(--color-accent-primary) 0%, var(--color-accent-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  color: var(--color-text-secondary);
  max-width: 800px;
  margin: 0 auto;
}

/* ============================================
   MAIN CONTENT
   ============================================ */

main {
  position: relative;
  z-index: 10;
}

.content-wrapper {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--space-xl) var(--space-lg);
}

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

.page-section {
  margin-bottom: var(--space-xl);
  padding: var(--space-lg) 0;
  position: relative;
}

.section-title {
  text-align: center;
  margin-bottom: var(--space-lg);
  position: relative;
  display: inline-block;
  width: 100%;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 2px;
  background: var(--color-accent-secondary);
}

.section-content {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
  padding: 0 var(--space-md);
}

/* Grid Layouts */
.grid-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-lg);
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  justify-items: center;
}

.grid-item {
  background: rgba(26, 28, 30, 0.6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  transition: all var(--transition-base);
  backdrop-filter: blur(10px);
  max-width: 100%;
  width: 100%;
  text-align: center;
}

.grid-item:hover {
  transform: translateY(-5px);
  border-color: var(--color-accent-secondary);
  box-shadow: var(--shadow-glow);
}

.grid-image {
  width: 100%;
  max-width: 300px;
  height: 180px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin: 0 auto var(--space-sm);
  display: block;
}

/* ============================================
   PRODUCTS PAGE
   ============================================ */

.product-card {
  background: rgba(26, 28, 30, 0.8);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  text-align: center;
  transition: all var(--transition-base);
  max-width: 100%;
  width: 100%;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-glow);
  border-color: var(--color-accent-secondary);
}

.product-image {
  width: 100%;
  max-width: 300px;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin: 0 auto var(--space-md);
  display: block;
}

.product-title {
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
  color: var(--color-accent-primary);
}

.product-price {
  font-size: 1.25rem;
  color: var(--color-accent-secondary);
  font-weight: 600;
  margin-top: var(--space-sm);
}

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

.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  margin-top: var(--space-lg);
}

.contact-form {
  background: rgba(26, 28, 30, 0.6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  backdrop-filter: blur(10px);
}

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

.form-label {
  display: block;
  margin-bottom: var(--space-xs);
  color: var(--color-accent-primary);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-sm);
  background: rgba(18, 18, 18, 0.8);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
  font-family: var(--font-primary);
  font-size: 1rem;
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-accent-secondary);
  box-shadow: 0 0 0 3px rgba(255, 191, 0, 0.1);
}

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

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

.checkbox-input {
  margin-top: 4px;
  cursor: pointer;
}

.checkbox-label {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  cursor: pointer;
}

.submit-button {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  background: linear-gradient(135deg, var(--color-accent-primary) 0%, var(--color-accent-secondary) 100%);
  border: none;
  border-radius: var(--radius-sm);
  color: var(--color-bg-primary);
  font-family: var(--font-secondary);
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: all var(--transition-base);
  margin-top: var(--space-md);
}

.submit-button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.contact-info {
  background: rgba(26, 28, 30, 0.6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  backdrop-filter: blur(10px);
}

.info-item {
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.info-item:last-child {
  border-bottom: none;
}

.info-label {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent-secondary);
  margin-bottom: var(--space-xs);
}

.info-value {
  font-size: 1.1rem;
  color: var(--color-text-primary);
}

.map-container {
  margin-top: var(--space-lg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.map-iframe {
  width: 100%;
  height: 400px;
  border: none;
}

/* ============================================
   INTERACTIVE PAGES
   ============================================ */

/* Simulator Page */
.simulator-container {
  background: rgba(26, 28, 30, 0.6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  min-height: 600px;
  position: relative;
  margin-top: var(--space-lg);
}

.wall-layout {
  width: 100%;
  height: 500px;
  background: rgba(18, 18, 18, 0.8);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-md);
  position: relative;
  margin-bottom: var(--space-md);
}

.shape-item {
  position: absolute;
  width: 80px;
  height: 80px;
  background: rgba(255, 191, 0, 0.3);
  border: 2px solid var(--color-accent-secondary);
  border-radius: var(--radius-sm);
  cursor: move;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  color: var(--color-accent-primary);
}

.shape-palette {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.shape-button {
  padding: var(--space-sm) var(--space-md);
  background: rgba(18, 18, 18, 0.8);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.shape-button:hover {
  border-color: var(--color-accent-secondary);
  background: rgba(255, 191, 0, 0.1);
}

/* Lighting Page */
.lighting-container {
  background: rgba(26, 28, 30, 0.6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin-top: var(--space-lg);
}

.temperature-slider {
  width: 100%;
  margin: var(--space-lg) 0;
}

.slider-input {
  width: 100%;
  height: 8px;
  background: rgba(18, 18, 18, 0.8);
  border-radius: var(--radius-sm);
  outline: none;
  -webkit-appearance: none;
}

.slider-input::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  background: var(--color-accent-secondary);
  border-radius: 50%;
  cursor: pointer;
}

.slider-input::-moz-range-thumb {
  width: 20px;
  height: 20px;
  background: var(--color-accent-secondary);
  border-radius: 50%;
  cursor: pointer;
  border: none;
}

.temperature-label {
  text-align: center;
  margin-top: var(--space-sm);
  font-size: 1.2rem;
  color: var(--color-accent-secondary);
}

.lighting-comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

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

.comparison-image {
  width: 100%;
  max-width: 400px;
  height: 250px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin: 0 auto var(--space-sm);
  display: block;
}

/* Ledger Page */
.ledger-container {
  background: rgba(26, 28, 30, 0.6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin-top: var(--space-lg);
}

.timeline {
  position: relative;
  padding-left: var(--space-lg);
}

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

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

.timeline-item::before {
  content: '';
  position: absolute;
  left: -8px;
  top: 0;
  width: 16px;
  height: 16px;
  background: var(--color-accent-secondary);
  border-radius: 50%;
  border: 3px solid var(--color-bg-primary);
}

.timeline-date {
  font-size: 0.9rem;
  color: var(--color-accent-secondary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-xs);
}

.timeline-content {
  background: rgba(18, 18, 18, 0.6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-md);
}

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

.footer-container {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: var(--space-lg);
  margin-top: var(--space-xl);
}

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

.footer-section {
  text-align: center;
}

.footer-title {
  font-size: 1rem;
  margin-bottom: var(--space-sm);
  color: var(--color-accent-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

.footer-link {
  display: block;
  padding: var(--space-xs) 0;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.footer-link:hover {
  color: var(--color-accent-secondary);
}

.footer-copyright {
  text-align: center;
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  font-size: 0.85rem;
}

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

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

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }

.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 768px) {
  .content-wrapper {
    padding: var(--space-md) var(--space-sm);
  }

  .hero-section {
    min-height: 50vh;
  }

  .contact-container {
    grid-template-columns: 1fr;
  }

  .grid-container {
    grid-template-columns: 1fr;
  }

  .lighting-comparison {
    grid-template-columns: 1fr;
  }

  .footer-content {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  :root {
    --space-lg: 2rem;
    --space-xl: 3rem;
  }

  .hero-content {
    padding: var(--space-md);
  }

  .page-section {
    padding: var(--space-md) 0;
  }
}

/* ============================================
   PRIVACY POLICY POPUP
   ============================================ */

.privacy-popup {
  position: fixed;
  bottom: var(--space-md);
  left: var(--space-md);
  right: var(--space-md);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  z-index: 10000;
  box-shadow: var(--shadow-lg);
  max-width: 600px;
  margin: 0 auto;
  display: none;
}

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

.privacy-content {
  margin-bottom: var(--space-sm);
}

.privacy-buttons {
  display: flex;
  gap: var(--space-sm);
  justify-content: flex-end;
}

.privacy-button {
  padding: var(--space-xs) var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: var(--font-primary);
}

.privacy-button.accept {
  background: var(--color-accent-secondary);
  color: var(--color-bg-primary);
  border-color: var(--color-accent-secondary);
}

.privacy-button:hover {
  border-color: var(--color-accent-secondary);
}

/* ============================================
   THANK YOU PAGE
   ============================================ */

.thank-you-container {
  text-align: center;
  padding: var(--space-xl) var(--space-md);
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.thank-you-icon {
  font-size: 4rem;
  color: var(--color-accent-secondary);
  margin-bottom: var(--space-md);
}

/* ============================================
   404 PAGE
   ============================================ */

.error-container {
  text-align: center;
  padding: var(--space-xl) var(--space-md);
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.error-code {
  font-size: 6rem;
  color: var(--color-accent-secondary);
  margin-bottom: var(--space-md);
  font-weight: 700;
}

/* ============================================
   PARALLAX EFFECTS
   ============================================ */

.parallax-element {
  transition: transform var(--transition-slow);
}

/* ============================================
   GLASSMORPHISM EFFECTS
   ============================================ */

.glass-card {
  background: rgba(26, 28, 30, 0.6);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(224, 224, 224, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
}