/* ============================================
   TEMPORAL SCAN - FUTURISTIC DESIGN SYSTEM
   Vintage & Second-Hand Curating Platform
   ============================================ */

:root {
  /* Color Palette - Temporal Scan Theme */
  --color-deep-carbon: #050505;
  --color-ultraviolet: #5D3FD3;
  --color-oxidized-copper: #77DD77;
  --color-amber-data: #FFBF00;
  --color-void: #0a0a0a;
  --color-scan-glow: rgba(93, 63, 211, 0.3);
  --color-text-primary: #f4f4f4;
  --color-text-secondary: #b8b8b8;
  --color-border: rgba(119, 221, 119, 0.2);
  
  /* Typography */
  --font-digital: 'Michroma', sans-serif;
  --font-classical: 'Bodoni Moda', serif;
  --font-primary: 'Poppins', sans-serif;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-xxl: 4rem;
  
  /* Layout */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --border-thin: 1px solid var(--color-border);
  --border-medium: 2px solid var(--color-oxidized-copper);
  
  /* Effects */
  --shadow-glow: 0 0 20px var(--color-scan-glow);
  --shadow-deep: 0 10px 40px rgba(0, 0, 0, 0.5);
  --transition-fast: 0.3s ease;
  --transition-slow: 0.6s ease;
  
  /* Glassmorphism */
  --glass-bg: rgba(10, 10, 10, 0.7);
  --glass-border: rgba(119, 221, 119, 0.1);
  --blur-amount: 10px;
}

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

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

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

body {
  font-family: var(--font-primary);
  background: var(--color-deep-carbon);
  color: var(--color-text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

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

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

a:hover {
  color: var(--color-amber-data);
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-digital);
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: var(--space-md);
  letter-spacing: 0.05em;
}

h1 {
  font-size: clamp(2rem, 5vw, 4rem);
  color: var(--color-amber-data);
  text-shadow: 0 0 20px var(--color-scan-glow);
}

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

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

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

.text-classical {
  font-family: var(--font-classical);
  font-style: italic;
}

.text-digital {
  font-family: var(--font-digital);
  color: var(--color-amber-data);
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */

.site-header {
  position: relative;
  padding: var(--space-md) var(--space-lg);
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-amount));
  border-bottom: var(--border-thin);
  z-index: 1000;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.brand-name {
  font-family: var(--font-digital);
  font-size: clamp(1rem, 2vw, 1.35rem);
  color: var(--color-ultraviolet);
}

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

.nav-menu li a {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--space-sm) var(--space-md);
  border: var(--border-thin);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.nav-menu li a:hover {
  border-color: var(--color-ultraviolet);
  box-shadow: var(--shadow-glow);
}

.burger-toggle {
  display: none;
  background: transparent;
  border: var(--border-medium);
  color: var(--color-oxidized-copper);
  padding: var(--space-sm) var(--space-md);
  cursor: pointer;
  font-size: 1.5rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  order: 999;
  z-index: 100001;
}

.burger-toggle:hover {
  box-shadow: var(--shadow-glow);
  border-color: var(--color-ultraviolet);
}

.burger-toggle.active {
  border-color: var(--color-amber-data);
  color: var(--color-amber-data);
}

/* Mobile Navigation */
@media (max-width: 1023px) {
  .burger-toggle {
    display: block;
  }
  
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--color-void);
    flex-direction: column;
    padding: var(--space-xxl) var(--space-lg);
    gap: var(--space-md);
    border-left: var(--border-medium);
    transition: right var(--transition-slow);
    z-index: 9999;
    overflow-y: auto;
  }
  
  .nav-menu.active {
    right: 0;
  }
  
  .nav-menu li {
    width: 100%;
  }
  
  .nav-menu li a {
    display: block;
    width: 100%;
    text-align: center;
  }
  
  .nav-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(5, 5, 5, 0.8);
    z-index: 9998;
  }
  
  .nav-overlay.active {
    display: block;
  }
}

/* ============================================
   FULL-WIDTH BANNERS
   ============================================ */

.hero-banner {
  position: relative;
  width: 100vw;
  margin-left: calc(-50vw + 50%);
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-bottom: var(--border-medium);
}

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

.banner-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: var(--space-xxl) var(--space-lg);
  max-width: 1200px;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(15px);
  border: var(--border-thin);
  border-radius: var(--radius-md);
  margin: var(--space-lg);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.7);
}

.banner-content h1 {
  margin-bottom: var(--space-lg);
}

.banner-content p {
  font-size: clamp(1rem, 2vw, 1.25rem);
  max-width: 800px;
  margin: 0 auto;
}

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

main {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--space-xxl) var(--space-lg);
}

/* ============================================
   SECTION STYLES
   ============================================ */

.content-section {
  margin-bottom: var(--space-xxl);
  padding: var(--space-xl) 0;
  text-align: center;
}

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

.content-section .section-header {
  text-align: center;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-xl);
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.section-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-lg);
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding: 0 var(--space-md);
}

.section-item {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-amount));
  border: var(--border-thin);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.section-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, var(--color-scan-glow), transparent);
  transition: left 0.6s ease;
  z-index: 1;
}

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

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

.section-item-content {
  position: relative;
  z-index: 2;
}

.section-item-image {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-md);
  border: var(--border-thin);
  opacity: 0.9;
}

.section-item h3 {
  margin-bottom: var(--space-sm);
}

/* ============================================
   AUTHENTICATION GLOW EFFECT
   ============================================ */

.verified-item {
  position: relative;
}

.verified-item::after {
  content: 'VERIFIED';
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  background: var(--color-ultraviolet);
  color: var(--color-deep-carbon);
  padding: var(--space-xs) var(--space-sm);
  font-size: 0.7rem;
  font-family: var(--font-digital);
  border-radius: var(--radius-sm);
  z-index: 3;
  animation: pulse-glow 2s infinite;
}

@keyframes pulse-glow {
  0%, 100% {
    box-shadow: 0 0 10px var(--color-ultraviolet);
  }
  50% {
    box-shadow: 0 0 20px var(--color-ultraviolet);
  }
}

/* ============================================
   PRODUCT GRID
   ============================================ */

.product-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-amount));
  border: var(--border-thin);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  text-align: center;
  transition: all var(--transition-fast);
}

.product-card:hover {
  border-color: var(--color-oxidized-copper);
  box-shadow: var(--shadow-glow);
}

.product-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-md);
  border: var(--border-thin);
}

.product-title {
  font-family: var(--font-digital);
  color: var(--color-amber-data);
  margin-bottom: var(--space-sm);
}

.product-price {
  font-family: var(--font-digital);
  color: var(--color-ultraviolet);
  font-size: 1.5rem;
  margin-top: var(--space-md);
}

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

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

.contact-form {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-amount));
  border: var(--border-thin);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
}

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

.form-group label {
  display: block;
  margin-bottom: var(--space-sm);
  color: var(--color-oxidized-copper);
  font-family: var(--font-digital);
  font-size: 0.9rem;
  text-transform: uppercase;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--space-md);
  background: var(--color-void);
  border: var(--border-thin);
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
  font-family: var(--font-primary);
  font-size: 1rem;
  transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-ultraviolet);
  box-shadow: 0 0 10px var(--color-scan-glow);
}

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

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

.checkbox-group input[type="checkbox"] {
  width: auto;
  margin-top: 0.25rem;
}

.checkbox-group label {
  font-size: 0.85rem;
  text-transform: none;
  font-family: var(--font-primary);
  color: var(--color-text-secondary);
}

.submit-button {
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  background: transparent;
  border: var(--border-medium);
  border-color: var(--color-ultraviolet);
  color: var(--color-ultraviolet);
  font-family: var(--font-digital);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  margin-top: var(--space-md);
}

.submit-button:hover {
  background: var(--color-ultraviolet);
  color: var(--color-deep-carbon);
  box-shadow: var(--shadow-glow);
}

.contact-info {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-amount));
  border: var(--border-thin);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
}

.contact-info h3 {
  margin-bottom: var(--space-lg);
}

.contact-details {
  list-style: none;
  margin-bottom: var(--space-lg);
}

.contact-details li {
  margin-bottom: var(--space-md);
  padding-left: var(--space-lg);
  position: relative;
}

.contact-details li::before {
  content: '▶';
  position: absolute;
  left: 0;
  color: var(--color-oxidized-copper);
}

.map-container {
  margin-top: var(--space-lg);
  border: var(--border-thin);
  border-radius: var(--radius-sm);
  overflow: hidden;
  height: 300px;
}

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

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

.site-footer {
  background: var(--color-void);
  border-top: var(--border-medium);
  padding: var(--space-xl) var(--space-lg);
  margin-top: var(--space-xxl);
}

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

.footer-section h4 {
  font-family: var(--font-digital);
  color: var(--color-ultraviolet);
  margin-bottom: var(--space-md);
  font-size: 0.9rem;
  text-transform: uppercase;
}

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

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

.footer-menu a {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

.footer-menu a:hover {
  color: var(--color-amber-data);
}

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

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

.privacy-popup {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(5, 5, 5, 0.95);
  z-index: 10000;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
}

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

.popup-content {
  background: var(--color-void);
  border: var(--border-medium);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  max-width: 600px;
  max-height: 80vh;
  overflow-y: auto;
  position: relative;
}

.popup-close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  background: transparent;
  border: var(--border-thin);
  color: var(--color-text-primary);
  width: 35px;
  height: 35px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.popup-close:hover {
  border-color: var(--color-ultraviolet);
  color: var(--color-ultraviolet);
}

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

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

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

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

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

@media (max-width: 768px) {
  .contact-container {
    grid-template-columns: 1fr;
  }
  
  .section-grid {
    grid-template-columns: 1fr;
  }
  
  .hero-banner {
    min-height: 50vh;
  }
  
  .banner-content {
    padding: var(--space-lg) var(--space-md);
  }
  
  main {
    padding: var(--space-lg) var(--space-md);
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
}

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

/* ============================================
   ANIMATIONS & EFFECTS
   ============================================ */

@keyframes scan-line {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100vw);
  }
}

.scan-line {
  position: fixed;
  top: 0;
  left: 0;
  width: 2px;
  height: 100vh;
  background: linear-gradient(to bottom, transparent, var(--color-ultraviolet), transparent);
  animation: scan-line 8s linear infinite;
  pointer-events: none;
  z-index: 999;
  opacity: 0.3;
}

/* ============================================
   PAGE SPECIFIC STYLES
   ============================================ */

.timeline-navigation {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  margin: var(--space-xl) 0;
  flex-wrap: wrap;
}

.era-button {
  padding: var(--space-sm) var(--space-lg);
  background: transparent;
  border: var(--border-thin);
  color: var(--color-text-secondary);
  font-family: var(--font-digital);
  text-transform: uppercase;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.era-button:hover,
.era-button.active {
  border-color: var(--color-ultraviolet);
  color: var(--color-ultraviolet);
  box-shadow: var(--shadow-glow);
}

.condition-grade {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
}

.health-bar {
  flex: 1;
  height: 8px;
  background: var(--color-void);
  border: var(--border-thin);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.health-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-oxidized-copper), var(--color-ultraviolet));
  transition: width var(--transition-slow);
}

.thank-you-message {
  text-align: center;
  padding: var(--space-xxl);
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-amount));
  border: var(--border-medium);
  border-radius: var(--radius-md);
  margin: var(--space-xxl) auto;
  max-width: 800px;
}

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

.error-code {
  font-family: var(--font-digital);
  font-size: clamp(4rem, 10vw, 8rem);
  color: var(--color-ultraviolet);
  margin-bottom: var(--space-lg);
  text-shadow: var(--shadow-glow);
}