/* ============================================
   ANALOG-DIGITAL FUSION DESIGN SYSTEM
   Bookbinding & Stationery Design Website
   ============================================ */

:root {
  /* Base Colors - Analog-Digital Fusion */
  --color-ink: #050505;
  --color-paper: #EBE6D8;
  --color-gold: #FFD700;
  --color-gold-light: #FFE55C;
  --color-gold-dark: #CCAA00;
  
  /* Neutral Palette */
  --color-white: #FFFFFF;
  --color-gray-light: #F5F3ED;
  --color-gray-medium: #D4D0C4;
  --color-gray-dark: #8B8678;
  
  /* Typography */
  --font-serif: 'Cormorant Garamond', serif;
  --font-futura: 'Orbitron', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-xxl: 4rem;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(5, 5, 5, 0.1);
  --shadow-md: 0 4px 12px rgba(5, 5, 5, 0.15);
  --shadow-lg: 0 8px 24px rgba(5, 5, 5, 0.2);
  --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.3);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Layout */
  --max-width: 1200px;
  --header-height: 80px;
}

/* ============================================
   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-mono);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-ink);
  background-color: var(--color-paper);
  overflow-x: hidden;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--space-md);
  color: var(--color-ink);
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  letter-spacing: -0.01em;
}

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

p {
  margin-bottom: var(--space-md);
  max-width: 65ch;
}

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

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

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

.site-header {
  position: relative;
  width: 100%;
  background: rgba(235, 230, 216, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-gray-medium);
  z-index: 1000;
  padding: var(--space-md) var(--space-lg);
}

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

.brand-name {
  font-family: var(--font-futura);
  font-size: clamp(1rem, 2vw, 1.35rem);
  font-weight: 700;
  color: var(--color-ink);
}

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

.nav-link {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--space-sm) var(--space-md);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: var(--space-md);
  right: var(--space-md);
  height: 1px;
  background: var(--color-gold);
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.nav-link:hover::after {
  transform: scaleX(1);
}

/* Burger Menu Button - Always Last in Header */
.burger-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  width: 40px;
  height: 40px;
  position: relative;
  z-index: 1000001;
  order: 999;
}

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

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

/* Mobile Navigation Menu */
.mobile-nav {
  display: none;
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  max-width: 400px;
  height: 100vh;
  background: var(--color-paper);
  border-left: 1px solid var(--color-gray-medium);
  padding: calc(var(--header-height) + var(--space-lg)) var(--space-lg) var(--space-lg);
  transform: translateX(100%);
  transition: transform var(--transition-base);
  z-index: 1000;
  overflow-y: auto;
}

.mobile-nav.active {
  transform: translateX(0);
}

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

.mobile-nav-link {
  font-family: var(--font-mono);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--space-md);
  border-bottom: 1px solid var(--color-gray-medium);
  display: block;
}

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

.hero-banner {
  position: relative;
  width: 100vw;
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-left: calc(-50vw + 50%);
  margin-right: calc(-50vw + 50%);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.banner-background {
  display: none;
}

.banner-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    180deg,
    rgba(235, 230, 216, 0.75) 0%,
    rgba(235, 230, 216, 0.85) 100%
  );
  z-index: 1;
}

.banner-content {
  position: relative;
  z-index: 2;
  max-width: var(--max-width);
  width: 100%;
  padding: var(--space-xl) var(--space-lg);
  text-align: center;
}

.banner-title {
  font-family: var(--font-futura);
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: var(--space-lg);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  text-shadow: 2px 2px 4px rgba(235, 230, 216, 0.8);
}

.banner-subtitle {
  font-family: var(--font-serif);
  font-size: clamp(1.125rem, 2.5vw, 1.5rem);
  color: var(--color-ink);
  max-width: 800px;
  margin: 0 auto;
  text-shadow: 1px 1px 2px rgba(235, 230, 216, 0.8);
}

/* ============================================
   SECTIONS & LAYOUT
   ============================================ */

main {
  width: 100%;
  overflow-x: hidden;
}

.content-section {
  padding: var(--space-xxl) var(--space-lg);
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.section-title {
  text-align: center;
  margin-bottom: var(--space-xl);
  position: relative;
  padding-bottom: var(--space-md);
  width: 100%;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
}

/* Grid Layouts */
.grid-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-xl);
  width: 100%;
  max-width: 100%;
}

.grid-item {
  background: var(--color-white);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-gray-medium);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  display: flex;
  flex-direction: column;
  text-align: center;
}

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

.grid-item h3 {
  text-align: center;
  margin-bottom: var(--space-md);
}

.grid-item p {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

/* Section with Images Grid */
.section-with-images {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
  width: 100%;
  margin-top: var(--space-xl);
}

.section-image-item {
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-gray-medium);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.section-image-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.section-image-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}

.section-image-content {
  padding: var(--space-md);
  text-align: center;
}

.section-image-content h3 {
  margin-bottom: var(--space-sm);
  font-size: 1.125rem;
}

.section-image-content p {
  font-size: 0.875rem;
  margin: 0 auto;
  max-width: 100%;
}

/* Holographic Shimmer Effect */
.shimmer-effect {
  position: relative;
  overflow: hidden;
}

.shimmer-effect::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 215, 0, 0.2),
    transparent
  );
  animation: shimmer 3s infinite;
  z-index: 1;
}

@keyframes shimmer {
  0% {
    left: -100%;
  }
  100% {
    left: 100%;
  }
}

/* Animated Thread Lines */
.thread-line {
  position: relative;
  padding: var(--space-lg) 0;
}

.thread-line::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 100%;
  background: linear-gradient(
    180deg,
    transparent,
    var(--color-gold),
    transparent
  );
  opacity: 0.6;
  animation: threadPulse 2s ease-in-out infinite;
}

@keyframes threadPulse {
  0%, 100% {
    opacity: 0.3;
  }
  50% {
    opacity: 0.8;
  }
}

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

.product-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-gray-medium);
  transition: all var(--transition-base);
}

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

.product-image {
  width: 100%;
  height: 300px;
  object-fit: cover;
  display: block;
}

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

.product-title {
  font-family: var(--font-futura);
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.product-description {
  font-size: 0.9375rem;
  color: var(--color-gray-dark);
  margin-bottom: var(--space-md);
  line-height: 1.6;
}

.product-price {
  font-family: var(--font-futura);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-gold-dark);
}

/* ============================================
   FORMS
   ============================================ */

.contact-form {
  max-width: 600px;
  margin: 0 auto;
  background: var(--color-white);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-gray-medium);
}

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

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

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-md);
  border: 1px solid var(--color-gray-medium);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 1rem;
  background: var(--color-paper);
  color: var(--color-ink);
  transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px rgba(255, 215, 0, 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-md);
}

.checkbox-input {
  margin-top: 4px;
  flex-shrink: 0;
}

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

.submit-button {
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  background: var(--color-ink);
  color: var(--color-white);
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-futura);
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: all var(--transition-base);
  margin-top: var(--space-lg);
}

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

.submit-button:active {
  transform: translateY(0);
}

/* ============================================
   GOOGLE MAPS
   ============================================ */

.map-container {
  width: 100%;
  height: 400px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-gray-medium);
  margin-top: var(--space-xl);
}

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

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

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

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

.footer-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

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

.footer-link {
  color: var(--color-paper);
  font-size: 0.875rem;
  transition: color var(--transition-fast);
  display: block;
  margin-bottom: var(--space-xs);
}

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

.footer-text {
  font-size: 0.875rem;
  color: var(--color-gray-medium);
  line-height: 1.6;
}

.footer-copyright {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-lg) var(--space-lg) var(--space-md);
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: var(--space-lg);
}

.footer-copyright .footer-text {
  margin: 0;
  color: var(--color-gray-medium);
}

/* ============================================
   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); }
.mt-xl { margin-top: var(--space-xl); }

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

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

@media (max-width: 1023px) {
  .main-nav {
    display: none;
  }
  
  .burger-toggle {
    display: block;
  }
  
  .mobile-nav {
    display: block;
  }
}

@media (max-width: 768px) {
  :root {
    --space-xl: 2rem;
    --space-xxl: 3rem;
  }
  
  .header-container {
    padding: var(--space-sm) var(--space-md);
  }
  
  .content-section {
    padding: var(--space-xl) var(--space-md);
  }
  
  .grid-container {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  .hero-banner {
    min-height: 50vh;
  }
  
  .banner-content {
    padding: var(--space-lg) var(--space-md);
  }
  
  .contact-form {
    padding: var(--space-lg);
  }
  
  .footer-container {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
}

@media (max-width: 480px) {
  html {
    font-size: 14px;
  }
  
  .hero-banner {
    min-height: 40vh;
  }
  
  .product-image {
    height: 200px;
  }
  
  .map-container {
    height: 300px;
  }
}

@media (max-width: 320px) {
  html {
    font-size: 12px;
  }
  
  .header-container {
    padding: var(--space-xs) var(--space-sm);
  }
  
  .content-section {
    padding: var(--space-lg) var(--space-sm);
  }
}

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

.privacy-popup {
  display: none;
  position: fixed;
  bottom: var(--space-lg);
  left: var(--space-lg);
  right: var(--space-lg);
  max-width: 500px;
  background: var(--color-white);
  border: 2px solid var(--color-gold);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-lg);
  z-index: 2000;
}

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

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

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

.privacy-button {
  flex: 1;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-gray-medium);
  border-radius: var(--radius-sm);
  background: var(--color-paper);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.privacy-button.accept {
  background: var(--color-ink);
  color: var(--color-white);
  border-color: var(--color-ink);
}

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

/* ============================================
   THANK YOU & 404 PAGES
   ============================================ */

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

.message-content {
  max-width: 600px;
}

.message-icon {
  font-size: 4rem;
  margin-bottom: var(--space-lg);
  color: var(--color-gold);
}

/* ============================================
   LEGAL PAGES STYLING
   ============================================ */

.legal-content {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-xl) var(--space-lg);
}

.legal-section {
  margin-bottom: var(--space-xl);
}

.legal-section h2 {
  color: var(--color-ink);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-gray-medium);
}

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

.legal-section ul {
  margin-left: var(--space-lg);
  margin-bottom: var(--space-md);
}

.legal-section li {
  margin-bottom: var(--space-sm);
}

.date {
  font-style: italic;
  color: var(--color-gray-dark);
  margin-top: var(--space-lg);
}

.commitment-content {
  max-width: 800px;
  margin: 0 auto;
}

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

.commitment-button {
  display: inline-block;
  width: auto;
  padding: var(--space-md) var(--space-xl);
  text-decoration: none;
  margin-top: var(--space-xl);
}