/* ============================================
   LIBRARY ORGANIZATION & CATALOGING - STYLES
   Futuristic Archive Theme: Structured Infinity
   ============================================ */

:root {
  /* Archive Ink - Deep blue-black vault */
  --color-archive: #05070A;
  --color-archive-light: #0F1419;
  
  /* Parchment Neon - Acid-yellow green for accents */
  --color-neon: #E0FF62;
  --color-neon-dark: #B8CC3F;
  
  /* Velvet Crimson - Deep muted red for rare items */
  --color-crimson: #4A0E0E;
  --color-crimson-light: #6B1A1A;
  
  /* Silver Foil - Borders and digital dust */
  --color-silver: #C0C0C0;
  --color-silver-dark: #8A8A8A;
  
  /* Neutral tones */
  --color-white: #FFFFFF;
  --color-gray-light: #F5F5F5;
  --color-gray: #CCCCCC;
  
  /* Typography */
  --font-serif: 'IBM Plex Serif', serif;
  --font-sans: 'Barlow Condensed', sans-serif;
  --font-base: 'Barlow Condensed', sans-serif;
  
  /* 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;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.3);
  --shadow-neon: 0 0 20px rgba(224, 255, 98, 0.3);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* ============================================
   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-base);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-white);
  background-color: var(--color-archive);
  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-white);
}

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

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
}

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

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

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

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

.site-header {
  position: relative;
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  background-color: rgba(5, 7, 10, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-silver-dark);
  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-serif);
  font-size: clamp(1rem, 2vw, 1.35rem);
  font-weight: 600;
  color: var(--color-neon);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.nav-menu li {
  position: relative;
}

.nav-menu a {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: var(--space-sm) var(--space-md);
  display: block;
  transition: all var(--transition-fast);
}

.nav-menu a:hover {
  color: var(--color-white);
  text-shadow: 0 0 10px var(--color-neon);
}

/* Burger Menu Button - Always Last Element */
.burger-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--color-silver);
  padding: var(--space-sm);
  cursor: pointer;
  flex-direction: column;
  gap: 4px;
  width: 40px;
  height: 40px;
  justify-content: center;
  align-items: center;
  z-index: 1000001;
  transition: all var(--transition-fast);
  order: 999;
}

.burger-toggle:hover {
  border-color: var(--color-neon);
}

.burger-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-neon);
  transition: all var(--transition-fast);
}

.burger-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.burger-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* Mobile Navigation */
@media (max-width: 1023px) {
  .burger-toggle {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 320px;
    height: 100vh;
    background-color: var(--color-archive-light);
    flex-direction: column;
    padding: var(--space-xxl) var(--space-lg);
    gap: var(--space-lg);
    transition: right var(--transition-base);
    z-index: 999;
    border-left: 1px solid var(--color-silver-dark);
    overflow-y: auto;
  }
  
  .nav-menu.active {
    right: 0;
  }
  
  .nav-menu li {
    width: 100%;
  }
  
  .nav-menu a {
    font-size: 0.8rem;
    padding: var(--space-md);
    border-bottom: 1px solid var(--color-silver-dark);
  }
  
  .nav-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 998;
  }
  
  .nav-overlay.active {
    display: block;
  }
}

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

main {
  min-height: calc(100vh - 200px);
}

/* ============================================
   FULL-WIDTH BANNER
   ============================================ */

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

.banner-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
  opacity: 0.3;
}

.banner-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: var(--space-xxl) var(--space-lg);
  max-width: 1200px;
  background: rgba(5, 7, 10, 0.7);
  backdrop-filter: blur(10px);
  border: 1px solid var(--color-silver-dark);
  margin: var(--space-xl);
}

.banner-content h1 {
  color: var(--color-neon);
  margin-bottom: var(--space-lg);
  text-shadow: 0 0 20px rgba(224, 255, 98, 0.5);
}

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

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

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

.section-header {
  text-align: center;
  margin-bottom: var(--space-xxl);
}

.section-header h2 {
  color: var(--color-neon);
  position: relative;
  display: inline-block;
  padding-bottom: var(--space-md);
}

.section-header h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 2px;
  background-color: var(--color-neon);
}

/* Grid Layouts */
.grid-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-xl);
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.grid-item {
  background: rgba(15, 20, 25, 0.6);
  border: 1px solid var(--color-silver-dark);
  padding: var(--space-lg);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
  align-items: center;
}

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

.grid-item img {
  width: 100%;
  max-width: 300px;
  height: auto;
  max-height: 200px;
  object-fit: cover;
  display: block;
  margin: 0 auto var(--space-md);
  border: 1px solid var(--color-silver-dark);
}

.grid-item h3 {
  color: var(--color-neon);
  margin-bottom: var(--space-sm);
  text-align: center;
  width: 100%;
}

.grid-item p {
  color: var(--color-gray);
  font-size: 0.95rem;
  text-align: left;
  width: 100%;
}

/* Two Column Layout */
.two-column {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
  align-items: center;
  margin-top: var(--space-xl);
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.two-column img {
  width: 100%;
  max-width: 500px;
  height: auto;
  max-height: 350px;
  object-fit: cover;
  display: block;
  margin: 0 auto;
  border: 1px solid var(--color-silver-dark);
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
  display: inline-block;
  padding: var(--space-md) var(--space-xl);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-archive);
  background-color: var(--color-neon);
  border: 1px solid var(--color-neon);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
  margin-top: 10px;
}

.btn:hover {
  background-color: transparent;
  color: var(--color-neon);
  box-shadow: var(--shadow-neon);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-neon);
  border-color: var(--color-neon);
}

.btn-secondary:hover {
  background-color: var(--color-neon);
  color: var(--color-archive);
}

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

.form-container {
  max-width: 600px;
  margin: var(--space-xxl) auto;
  padding: var(--space-xl);
  background: rgba(15, 20, 25, 0.6);
  border: 1px solid var(--color-silver-dark);
}

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

.form-group label {
  display: block;
  margin-bottom: var(--space-sm);
  color: var(--color-neon);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--space-md);
  background-color: var(--color-archive-light);
  border: 1px solid var(--color-silver-dark);
  color: var(--color-white);
  font-family: var(--font-base);
  font-size: 1rem;
  transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-neon);
  box-shadow: 0 0 10px rgba(224, 255, 98, 0.2);
}

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

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

.checkbox-group input[type="checkbox"] {
  width: auto;
  margin-top: 4px;
  cursor: pointer;
}

.checkbox-group label {
  margin-bottom: 0;
  text-transform: none;
  font-size: 0.9rem;
  cursor: pointer;
}

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

.map-container {
  width: 100%;
  height: 400px;
  margin: var(--space-xl) 0;
  border: 1px solid var(--color-silver-dark);
}

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

/* ============================================
   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: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.product-card {
  background: rgba(15, 20, 25, 0.6);
  border: 1px solid var(--color-silver-dark);
  padding: var(--space-lg);
  text-align: center;
  transition: all var(--transition-base);
}

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

.product-card img {
  width: 100%;
  max-width: 300px;
  height: auto;
  max-height: 200px;
  object-fit: cover;
  display: block;
  margin: 0 auto var(--space-md);
  border: 1px solid var(--color-silver-dark);
}

.product-card h3 {
  color: var(--color-neon);
  margin-bottom: var(--space-sm);
}

.product-price {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-white);
  margin-top: var(--space-md);
}

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

.site-footer {
  margin-top: var(--space-xxl);
  padding: var(--space-xl) var(--space-lg);
  background-color: var(--color-archive-light);
  border-top: 1px solid var(--color-silver-dark);
}

.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 {
  color: var(--color-neon);
  font-size: 1rem;
  margin-bottom: var(--space-md);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.footer-section ul {
  list-style: none;
}

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

.footer-section a {
  color: var(--color-gray);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer-section a:hover {
  color: var(--color-neon);
}

.footer-bottom {
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-silver-dark);
  text-align: center;
  color: var(--color-gray);
  font-size: 0.85rem;
}

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

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

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

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

.date {
  color: var(--color-gray);
  font-size: 0.9rem;
  font-style: italic;
}

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

@media (max-width: 768px) {
  .content-section {
    padding: var(--space-lg) var(--space-md);
  }
  
  .banner-content {
    padding: var(--space-lg) var(--space-md);
    margin: var(--space-md);
  }
  
  .grid-container,
  .products-grid {
    grid-template-columns: 1fr;
  }
  
  .two-column {
    grid-template-columns: 1fr;
  }
  
  .footer-container {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  html {
    font-size: 14px;
  }
  
  .site-header {
    padding: var(--space-sm) var(--space-md);
  }
  
  .content-section {
    padding: var(--space-md) var(--space-sm);
  }
}

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

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.6s ease-out;
}

/* Centered Content Sections */
.centered-section {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.centered-content {
  max-width: 800px;
}

.large-heading {
  color: var(--color-neon);
  font-size: 6rem;
  margin-bottom: var(--space-lg);
}

.centered-section h1 {
  color: var(--color-neon);
  margin-bottom: var(--space-lg);
}

.centered-text {
  font-size: 1.25rem;
  margin-bottom: var(--space-xl);
}

/* Parallax effect for banner */
.hero-banner {
  background-attachment: fixed;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}

/* ============================================
   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-archive-light);
  border: 1px solid var(--color-neon);
  padding: var(--space-lg);
  z-index: 10000;
  box-shadow: var(--shadow-lg);
}

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

.privacy-popup p {
  margin-bottom: var(--space-md);
  font-size: 0.9rem;
}

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

.privacy-popup-buttons .btn {
  flex: 1;
  padding: var(--space-sm) var(--space-md);
  font-size: 0.85rem;
}

@media (max-width: 768px) {
  .privacy-popup {
    left: var(--space-md);
    right: var(--space-md);
    bottom: var(--space-md);
  }
}