/* ============================================
   FUTURISTIC PHOTO DIGITIZATION WEBSITE
   Temporal Clarity Design System
   ============================================ */

:root {
  /* Base Colors - Temporal Theme */
  --color-negative-black: #010101;
  --color-spectrum-violet: #8F00FF;
  --color-static-grey: #A9A9A9;
  --color-binary-white: #FFFFFF;
  --color-accent-glow: rgba(143, 0, 255, 0.3);
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-terminal: 'Space Mono', 'Courier New', monospace;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  
  /* 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-glow: 0 0 20px var(--color-accent-glow);
  --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.1);
  
  /* Era Filters - Default (2026) */
  --era-filter: none;
  --era-contrast: 1;
  --era-saturation: 1;
  --era-brightness: 1;
}

/* Era Filters */
body.era-1890 {
  --era-filter: sepia(100%) contrast(1.2) brightness(0.9);
  --era-contrast: 1.3;
  --era-saturation: 0.8;
  --era-brightness: 0.85;
}

body.era-1920 {
  --era-filter: sepia(80%) contrast(1.4) brightness(0.88);
  --era-contrast: 1.4;
  --era-saturation: 0.7;
  --era-brightness: 0.82;
}

body.era-1970 {
  --era-filter: saturate(1.3) contrast(1.1) brightness(1.05);
  --era-contrast: 1.1;
  --era-saturation: 1.3;
  --era-brightness: 1.05;
}

body.era-2026 {
  --era-filter: contrast(1.2) saturate(1.1);
  --era-contrast: 1.2;
  --era-saturation: 1.1;
  --era-brightness: 1;
}

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: var(--font-primary);
  background-color: var(--color-negative-black);
  color: var(--color-binary-white);
  line-height: 1.6;
  overflow-x: hidden;
  filter: var(--era-filter);
  transition: filter var(--transition-slow);
}

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

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

a:hover {
  color: var(--color-spectrum-violet);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

h1 {
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 700;
}

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

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

p {
  margin-bottom: var(--space-md);
  font-size: clamp(1rem, 2vw, 1.125rem);
}

/* Header */
.site-header {
  position: relative;
  padding: var(--space-md) var(--space-lg);
  background: rgba(1, 1, 1, 0.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(169, 169, 169, 0.2);
  z-index: 1000;
}

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-lg);
}

.brand-text {
  font-size: clamp(0.9rem, 2vw, 1.35rem);
  font-weight: 600;
  color: var(--color-binary-white);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 25px;
  align-items: center;
}

.nav-link {
  font-size: clamp(0.875rem, 2vw, 1rem);
  padding: var(--space-sm) var(--space-md);
  position: relative;
  transition: color var(--transition-base);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--color-spectrum-violet);
  transition: width var(--transition-base);
}

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

/* Burger Menu */
.burger-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  color: var(--color-binary-white);
  font-size: 1.5rem;
  z-index: 100001;
  transition: color var(--transition-base);
}

.burger-toggle:hover {
  color: var(--color-spectrum-violet);
}

.burger-icon {
  display: block;
  width: 24px;
  height: 2px;
  background: currentColor;
  position: relative;
  transition: background var(--transition-fast);
}

.burger-icon::before,
.burger-icon::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 2px;
  background: currentColor;
  transition: transform var(--transition-base);
}

.burger-icon::before {
  top: -8px;
}

.burger-icon::after {
  bottom: -8px;
}

.burger-toggle.active .burger-icon {
  background: transparent;
}

.burger-toggle.active .burger-icon::before {
  transform: rotate(45deg) translate(5px, 5px);
}

.burger-toggle.active .burger-icon::after {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Main Content */
main {
  min-height: calc(100vh - 200px);
}

/* Hero Banner - Full Width */
.hero-banner {
  width: 100vw;
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-left: calc(-50vw + 50%);
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
  z-index: 0;
}

.hero-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(1, 1, 1, 0.6);
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: var(--space-xl);
  max-width: 900px;
  margin: 0 auto;
  background: rgba(1, 1, 1, 0.7);
  backdrop-filter: blur(15px);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 700;
  margin-bottom: var(--space-lg);
  text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.8), 0 0 30px var(--color-accent-glow);
  animation: glitch-flicker 3s infinite;
  color: var(--color-binary-white);
}

@keyframes glitch-flicker {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.98; }
  51% { opacity: 1; }
  52% { opacity: 0.99; }
  53% { opacity: 1; }
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  color: var(--color-binary-white);
  margin-bottom: var(--space-xl);
  text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.8);
}

/* Section Styles */
.content-section {
  padding: var(--space-2xl) var(--space-lg);
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.content-section > * {
  text-align: left;
}

.content-section > .section-title,
.content-section > h1,
.content-section > h2 {
  text-align: center;
}

.section-title {
  text-align: center;
  margin-bottom: var(--space-xl);
  position: relative;
  padding-bottom: var(--space-md);
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 2px;
  background: var(--color-spectrum-violet);
}

/* Grid Layouts */
.grid-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-xl);
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding: 0 var(--space-md);
}

.grid-item {
  background: rgba(169, 169, 169, 0.05);
  border: 1px solid rgba(169, 169, 169, 0.2);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  text-align: left;
  display: flex;
  flex-direction: column;
}

.grid-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(143, 0, 255, 0.1), transparent);
  transition: left var(--transition-slow);
}

.grid-item:hover::before {
  left: 100%;
}

.grid-item:hover {
  border-color: var(--color-spectrum-violet);
  box-shadow: var(--shadow-glow);
  transform: translateY(-4px);
}

.grid-image {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-md);
  aspect-ratio: 16 / 9;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: var(--space-md) var(--space-xl);
  background: transparent;
  border: 2px solid var(--color-spectrum-violet);
  color: var(--color-binary-white);
  font-size: clamp(0.875rem, 2vw, 1rem);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  margin-top: 10px;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--color-spectrum-violet);
  transition: left var(--transition-base);
  z-index: -1;
}

.btn:hover::before {
  left: 0;
}

.btn:hover {
  color: var(--color-binary-white);
  box-shadow: var(--shadow-glow);
}

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

.btn-primary::before {
  background: rgba(143, 0, 255, 0.8);
  color: black;
}

/* Chronos Slider - Time Travel Navigation */
.chronos-slider {
  position: fixed;
  right: var(--space-lg);
  top: 50%;
  transform: translateY(-50%);
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  background: rgba(1, 1, 1, 0.8);
  backdrop-filter: blur(10px);
  padding: var(--space-lg) var(--space-md);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(169, 169, 169, 0.2);
}

.chronos-label {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  font-size: 0.75rem;
  color: var(--color-static-grey);
  font-family: var(--font-terminal);
  letter-spacing: 2px;
}

.chronos-track {
  width: 4px;
  height: 300px;
  background: rgba(169, 169, 169, 0.2);
  position: relative;
  border-radius: 2px;
  cursor: pointer;
}

.chronos-handle {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 16px;
  height: 16px;
  background: var(--color-spectrum-violet);
  border-radius: 50%;
  cursor: grab;
  box-shadow: var(--shadow-glow);
  transition: transform var(--transition-fast);
}

.chronos-handle:active {
  cursor: grabbing;
  transform: translateX(-50%) scale(1.2);
}

.chronos-years {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
  padding: var(--space-sm) 0;
  font-family: var(--font-terminal);
  font-size: 0.7rem;
  color: var(--color-static-grey);
}

.chronos-year {
  position: absolute;
  left: 12px;
  transform: translateX(0);
  white-space: nowrap;
}

/* Forms */
.form-container {
  max-width: 600px;
  margin: 0 auto;
  padding: var(--space-xl);
}

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

.form-label {
  display: block;
  margin-bottom: var(--space-sm);
  font-size: 0.9rem;
  color: var(--color-static-grey);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-md);
  background: rgba(169, 169, 169, 0.05);
  border: 1px solid rgba(169, 169, 169, 0.2);
  border-radius: var(--radius-sm);
  color: var(--color-binary-white);
  font-family: var(--font-primary);
  font-size: 1rem;
  transition: all var(--transition-base);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-spectrum-violet);
  box-shadow: 0 0 0 3px var(--color-accent-glow);
}

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

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

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

.checkbox-label {
  font-size: 0.875rem;
  color: var(--color-static-grey);
  line-height: 1.5;
}

/* Maps */
.map-container {
  width: 100%;
  height: 400px;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin: var(--space-xl 0);
  border: 1px solid rgba(169, 169, 169, 0.2);
}

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

/* Footer */
.site-footer {
  background: rgba(1, 1, 1, 0.9);
  border-top: 1px solid rgba(169, 169, 169, 0.2);
  padding: var(--space-xl) var(--space-lg);
  margin-top: var(--space-2xl);
}

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

.footer-section h4 {
  font-size: 1rem;
  margin-bottom: var(--space-md);
  color: var(--color-spectrum-violet);
}

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

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

.footer-link {
  font-size: 0.875rem;
  color: var(--color-static-grey);
  transition: color var(--transition-base);
}

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

.footer-info {
  font-size: 0.875rem;
  color: var(--color-static-grey);
  line-height: 1.8;
}

.copyright {
  text-align: center;
  padding-top: var(--space-lg);
  margin-top: var(--space-lg);
  border-top: 1px solid rgba(169, 169, 169, 0.2);
  font-size: 0.75rem;
  color: var(--color-static-grey);
}

/* Privacy Popup */
.privacy-popup {
  position: fixed;
  bottom: var(--space-lg);
  left: var(--space-lg);
  right: var(--space-lg);
  max-width: 500px;
  background: rgba(1, 1, 1, 0.95);
  border: 1px solid rgba(169, 169, 169, 0.2);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  z-index: 10000;
  box-shadow: var(--shadow-soft);
  display: none;
}

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

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

.privacy-actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* Products Grid */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-xl);
  max-width: 1100px;
  margin-left: auto;
  margin-right: auto;
  padding: 0 var(--space-md);
}

.product-card {
  background: rgba(169, 169, 169, 0.05);
  border: 1px solid rgba(169, 169, 169, 0.2);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
  text-align: left;
}

.product-card:hover {
  border-color: var(--color-spectrum-violet);
  box-shadow: var(--shadow-glow);
  transform: translateY(-4px);
}

.product-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-md);
  aspect-ratio: 16 / 9;
}

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

.product-price {
  font-size: 1.25rem;
  color: var(--color-spectrum-violet);
  font-weight: 600;
  margin-top: var(--space-md);
}

/* Restoration Lab Slider */
.restoration-slider {
  position: relative;
  max-width: 1000px;
  margin: var(--space-xl) auto;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.slider-container {
  position: relative;
  width: 100%;
  height: 500px;
}

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

.slider-image.active {
  opacity: 1;
}

.slider-controls {
  position: absolute;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--space-md);
  z-index: 10;
}

.slider-btn {
  padding: var(--space-sm) var(--space-md);
  background: rgba(1, 1, 1, 0.8);
  border: 1px solid rgba(169, 169, 169, 0.2);
  color: var(--color-binary-white);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
}

.slider-btn:hover {
  border-color: var(--color-spectrum-violet);
  background: rgba(143, 0, 255, 0.2);
}

/* Timeline */
.timeline-container {
  position: relative;
  max-width: 1000px;
  margin: var(--space-xl) auto;
  padding: var(--space-xl) 0;
}

.timeline-item {
  display: flex;
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
  position: relative;
}

.timeline-year {
  flex-shrink: 0;
  width: 100px;
  font-family: var(--font-terminal);
  font-size: 1.5rem;
  color: var(--color-spectrum-violet);
  text-align: right;
}

.timeline-content {
  flex: 1;
  background: rgba(169, 169, 169, 0.05);
  border-left: 2px solid var(--color-spectrum-violet);
  padding: var(--space-lg);
  border-radius: var(--radius-sm);
}

/* Technical Specs */
.specs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-xl);
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}

.spec-card {
  background: rgba(169, 169, 169, 0.05);
  border: 1px solid rgba(169, 169, 169, 0.2);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  text-align: center;
}

.spec-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-spectrum-violet);
  margin-bottom: var(--space-sm);
  font-family: var(--font-terminal);
}

.spec-label {
  font-size: 0.875rem;
  color: var(--color-static-grey);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* 404 Page */
.error-page {
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-xl);
}

.error-code {
  font-size: clamp(4rem, 10vw, 8rem);
  font-weight: 700;
  color: var(--color-spectrum-violet);
  margin-bottom: var(--space-md);
}

.error-message {
  font-size: clamp(1.25rem, 3vw, 2rem);
  margin-bottom: var(--space-lg);
}

/* Thank You Page */
.thank-you-container {
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-xl);
}

.thank-you-icon {
  font-size: 4rem;
  color: var(--color-spectrum-violet);
  margin-bottom: var(--space-lg);
}

/* Responsive Design */
@media (max-width: 1023px) {
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background: rgba(1, 1, 1, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: var(--space-2xl);
    gap: var(--space-lg);
    transition: right var(--transition-base);
    z-index: 1000;
    border-left: 1px solid rgba(169, 169, 169, 0.2);
  }

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

  .burger-toggle {
    display: block;
  }

  .chronos-slider {
    display: none;
  }

  .hero-banner {
    min-height: 60vh;
  }

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

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

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

@media (max-width: 768px) {

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

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

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

  .privacy-popup {
    left: var(--space-md);
    right: var(--space-md);
    bottom: var(--space-md);
  }

  .timeline-item {
    flex-direction: column;
  }

  .timeline-year {
    width: auto;
    text-align: left;
  }
}

@media (max-width: 480px) {
  .hero-banner {
    min-height: 50vh;
  }

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

  .slider-container {
    height: 300px;
  }
}

/* Utility Classes */
.text-center {
  text-align: center;
}

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

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

.date {
  font-family: var(--font-terminal);
  font-size: 0.875rem;
  color: var(--color-static-grey);
}