/* ============================================
   KITCHEN HERITAGE ARCHIVE - TACTILE LIGHT DESIGN
   ============================================ */

:root {
  /* Base Colors */
  --color-cyber-parchment: #E8E2D9;
  --color-data-blue: #007FFF;
  --color-memory-gold: #FFD700;
  --color-dark-base: #1a1a1a;
  --color-light-base: #f5f5f0;
  
  /* Typography */
  --font-primary: 'Crimson Text', serif;
  --font-secondary: 'Inter', sans-serif;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 4rem;
  --space-xxl: 6rem;
  
  /* Borders & Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  
  /* Shadows & Effects */
  --shadow-light: 0 2px 8px rgba(0, 127, 255, 0.1);
  --shadow-medium: 0 4px 16px rgba(0, 127, 255, 0.15);
  --shadow-heavy: 0 8px 32px rgba(0, 127, 255, 0.2);
  --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.3);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Blur */
  --blur-light: blur(8px);
  --blur-medium: blur(16px);
  --blur-heavy: blur(24px);
}

/* ============================================
   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-secondary);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-dark-base);
  background-color: var(--color-light-base);
  overflow-x: hidden;
  position: relative;
}

/* Digital Dust Cursor Trail */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

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

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--space-md);
  transition: font-variation-settings var(--transition-normal);
}

h1 {
  font-size: clamp(1.4rem, 5vw, 4rem);
  font-variation-settings: 'wght' 400;
}

h2 {
  font-size: clamp(1.2rem, 4vw, 3rem);
  font-variation-settings: 'wght' 500;
}

h3 {
  font-size: clamp(1rem, 3vw, 2rem);
}

h1:hover, h2:hover, h3:hover {
  font-variation-settings: 'wght' 700;
}

p {
  margin-bottom: var(--space-md);
  font-size: clamp(0.9rem, 2vw, 1.1rem);
}

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

a:hover {
  color: var(--color-memory-gold);
}

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

.site-header {
  position: relative;
  width: 100%;
  padding: var(--space-lg) var(--space-md);
  background: rgba(232, 226, 217, 0.7);
  backdrop-filter: var(--blur-medium);
  -webkit-backdrop-filter: var(--blur-medium);
  border-bottom: 1px solid rgba(0, 127, 255, 0.1);
  z-index: 1000;
}

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

.brand-name {
  font-family: var(--font-primary);
  font-size: clamp(0.9rem, 2vw, 1.75rem);
  font-weight: 600;
  color: var(--color-dark-base);
  letter-spacing: 0.05em;
}

.main-navigation {
  display: flex;
  gap: 15px;
  align-items: center;
  flex-wrap: wrap;
}

.nav-link {
  font-size: clamp(0.9rem, 2vw, 1rem);
  color: var(--color-dark-base);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  position: relative;
}

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

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

/* Burger Menu */
.burger-toggle {
  display: none;
  background: transparent;
  border: 2px solid var(--color-data-blue);
  border-radius: var(--radius-sm);
  width: 44px;
  height: 44px;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 10001;
  gap: 5px;
  padding: var(--space-sm);
  transition: all var(--transition-fast);
  order: 999;
}

.burger-toggle:hover {
  background: rgba(0, 127, 255, 0.1);
  border-color: var(--color-memory-gold);
}

.burger-line {
  width: 24px;
  height: 2px;
  background: var(--color-dark-base);
  transition: all var(--transition-fast);
  border-radius: 2px;
}

.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-menu {
  display: none;
  width: 100%;
  flex-direction: column;
  gap: var(--space-sm);
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid rgba(0, 127, 255, 0.1);
}

.mobile-menu.active {
  display: flex;
}

.mobile-menu .nav-link {
  width: 100%;
  padding: var(--space-md);
  text-align: left;
}

/* Responsive Navigation */
@media (max-width: 1023px) {
  .main-navigation {
    display: none;
  }
  
  .burger-toggle {
    display: flex;
  }
  
  .header-container {
    flex-wrap: wrap;
  }
}

/* ============================================
   HERO BANNERS (FULL-WIDTH)
   ============================================ */

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

.hero-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
  filter: brightness(0.7) contrast(1.1);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  padding: var(--space-xl) var(--space-md);
  text-align: center;
  color: white;
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 5rem);
  color: white;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
  margin-bottom: var(--space-md);
}

.hero-text {
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  max-width: 800px;
  margin: 0 auto;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.hero-cta {
  display: inline-block;
  padding: var(--space-md) var(--space-xl);
  background: rgba(0, 127, 255, 0.9);
  backdrop-filter: var(--blur-light);
  color: white;
  border-radius: var(--radius-lg);
  font-size: clamp(1rem, 2vw, 1.25rem);
  transition: all var(--transition-normal);
  border: 2px solid transparent;
  margin-top: var(--space-md);
}

.hero-cta:hover {
  color: #1a1a1a;
  background: rgba(255, 215, 0, 0.9);
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold);
}

/* Banner with Image Below Text */
.banner-section {
  width: 100vw;
  position: relative;
  padding: var(--space-xxl) var(--space-md);
  margin-left: calc(-50vw + 50%);
  margin-right: calc(-50vw + 50%);
  background: linear-gradient(135deg, var(--color-cyber-parchment) 0%, rgba(232, 226, 217, 0.5) 100%);
}

.banner-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.banner-text-wrapper {
  text-align: center;
  padding: var(--space-xl) 0;
}

.banner-image-wrapper {
  width: 100%;
  max-width: 1000px;
  margin: 0 auto;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-heavy);
  position: relative;
}

.banner-image-wrapper::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, 
    rgba(0, 127, 255, 0.1) 0%, 
    rgba(255, 215, 0, 0.1) 100%);
  z-index: 1;
  pointer-events: none;
}

.banner-image-wrapper img {
  width: 100%;
  height: auto;
  display: block;
  filter: grayscale(0.2);
  transition: filter var(--transition-slow);
}

.banner-image-wrapper:hover img {
  filter: grayscale(0);
}

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

.main-content {
  max-width: 1400px;
  margin: 0 auto;
}

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

.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: 100px;
  height: 3px;
  background: linear-gradient(90deg, 
    transparent 0%, 
    var(--color-data-blue) 50%, 
    transparent 100%);
}

/* Glassmorphism Cards */
.glass-card {
  background: rgba(232, 226, 217, 0.6);
  backdrop-filter: var(--blur-medium);
  -webkit-backdrop-filter: var(--blur-medium);
  border: 1px solid rgba(0, 127, 255, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-medium);
  transition: all var(--transition-normal);
}

.glass-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-heavy);
  border-color: var(--color-memory-gold);
}

/* Grid Layouts */
.grid-two {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-lg);
}

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

/* ============================================
   ATLAS PAGE - LINEAGE MAP
   ============================================ */

.lineage-container {
  width: 100%;
  min-height: 600px;
  position: relative;
  background: var(--color-dark-base);
  border-radius: var(--radius-xl);
  overflow: hidden;
  margin: var(--space-xl) 0;
}

.lineage-canvas {
  width: 100%;
  height: 600px;
  position: relative;
}

.node {
  position: absolute;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-memory-gold);
  box-shadow: 0 0 20px rgba(255, 215, 0, 0.6);
  cursor: pointer;
  transition: all var(--transition-normal);
  z-index: 2;
}

.node:hover {
  transform: scale(1.5);
  box-shadow: 0 0 30px rgba(255, 215, 0, 0.9);
}

.connection-line {
  position: absolute;
  height: 2px;
  background: linear-gradient(90deg, 
    var(--color-data-blue) 0%, 
    var(--color-memory-gold) 100%);
  opacity: 0.6;
  z-index: 1;
}

.node-label {
  position: absolute;
  color: white;
  font-size: 0.875rem;
  padding: var(--space-xs) var(--space-sm);
  background: rgba(0, 0, 0, 0.7);
  border-radius: var(--radius-sm);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.node:hover .node-label {
  opacity: 1;
}

/* ============================================
   PRINT PREVIEW - MATERIALIZER
   ============================================ */

.preview-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xl);
  padding: var(--space-xl) 0;
}

.book-preview-3d {
  width: 100%;
  max-width: 600px;
  height: 400px;
  perspective: 1200px;
  margin: var(--space-xl) 0;
}

.book-model {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  transition: transform var(--transition-slow);
}

.book-cover {
  position: absolute;
  width: 50%;
  height: 100%;
  background: linear-gradient(135deg, 
    var(--color-cyber-parchment) 0%, 
    rgba(232, 226, 217, 0.8) 100%);
  border: 2px solid var(--color-memory-gold);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-heavy);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--color-dark-base);
  backface-visibility: hidden;
}

.book-cover.left {
  left: 0;
  transform-origin: right center;
  transform: rotateY(-30deg);
}

.book-cover.right {
  right: 0;
  transform-origin: left center;
  transform: rotateY(30deg);
}

.lighting-controls {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  justify-content: center;
  margin-top: var(--space-lg);
}

.lighting-btn {
  padding: var(--space-sm) var(--space-lg);
  background: rgba(0, 127, 255, 0.1);
  border: 2px solid var(--color-data-blue);
  border-radius: var(--radius-md);
  color: var(--color-dark-base);
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-top: 10px;
}

.lighting-btn:hover,
.lighting-btn.active {
  background: var(--color-data-blue);
  color: white;
}

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

.contact-wrapper {
  max-width: 800px;
  margin: 0 auto;
}

.contact-form {
  background: rgba(232, 226, 217, 0.6);
  backdrop-filter: var(--blur-medium);
  padding: var(--space-xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-medium);
}

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

.form-label {
  display: block;
  margin-bottom: var(--space-sm);
  font-weight: 500;
  color: var(--color-dark-base);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-md);
  border: 2px solid rgba(0, 127, 255, 0.2);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.8);
  font-family: var(--font-secondary);
  font-size: 1rem;
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-data-blue);
  box-shadow: 0 0 0 3px rgba(0, 127, 255, 0.1);
}

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

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

.checkbox-input {
  width: 20px;
  height: 20px;
  margin-top: 2px;
  cursor: pointer;
}

.checkbox-label {
  font-size: 0.9rem;
  line-height: 1.5;
}

.submit-btn {
  width: 100%;
  padding: var(--space-md) var(--space-xl);
  background: var(--color-data-blue);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
  margin-top: 10px;
}

.submit-btn:hover {
  background: var(--color-memory-gold);
  color: black;
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold);
}

.map-container {
  width: 100%;
  height: 400px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-top: var(--space-xl);
  box-shadow: var(--shadow-medium);
}

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

.contact-info {
  margin-top: var(--space-xl);
  padding: var(--space-xl);
  background: rgba(232, 226, 217, 0.4);
  border-radius: var(--radius-lg);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
  font-size: 1.1rem;
}

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

.product-card {
  background: rgba(232, 226, 217, 0.6);
  backdrop-filter: var(--blur-light);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-medium);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-heavy);
}

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

.product-description {
  color: rgba(26, 26, 26, 0.8);
  line-height: 1.6;
  flex-grow: 1;
}

.product-price {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-data-blue);
  margin-top: var(--space-md);
}

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

.site-footer {
  background: var(--color-dark-base);
  color: var(--color-cyber-parchment);
  padding: var(--space-xl) var(--space-md);
  margin-top: var(--space-xxl);
}

.footer-container {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-xl);
}

.footer-section h3 {
  color: var(--color-memory-gold);
  margin-bottom: var(--space-md);
  font-size: 1.25rem;
}

.footer-menu {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-menu a {
  color: var(--color-cyber-parchment);
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  text-align: center;
  padding-top: var(--space-lg);
  margin-top: var(--space-lg);
  border-top: 1px solid rgba(232, 226, 217, 0.2);
  font-size: 0.9rem;
}

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

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

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

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

.date {
  font-style: italic;
  color: rgba(26, 26, 26, 0.7);
}

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

@media (max-width: 768px) {
  :root {
    --space-xl: 2rem;
    --space-xxl: 3rem;
  }
  
  .hero-banner {
    min-height: 50vh;
  }
  
  .grid-two,
  .grid-three {
    grid-template-columns: 1fr;
  }
  
  .banner-section {
    padding: var(--space-lg) var(--space-md);
  }
  
  .lineage-container {
    min-height: 400px;
  }
  
  .lineage-canvas {
    height: 400px;
  }
  
  .book-preview-3d {
    height: 300px;
  }
}

@media (max-width: 480px) {
  html {
    font-size: 14px;
  }
  
  .hero-content {
    padding: var(--space-lg) var(--space-md);
  }
  
  .glass-card,
  .contact-form {
    padding: var(--space-md);
  }
  
}

@media (max-width: 320px) {
  html {
    font-size: 12px;
  }
  

}