/* ============================================
   THE GLASS VAULT - Wine Cellar Management
   Dark Liquid Minimalism Design System
   ============================================ */

:root {
  /* Color Palette */
  --color-bg-primary: #0A0002;
  --color-bg-secondary: #2E2E2E;
  --color-accent-primary: #722F37;
  --color-accent-secondary: #C5B358;
  --color-text-primary: #F5F5F5;
  --color-text-secondary: #B8B8B8;
  --color-glass-bg: rgba(46, 46, 46, 0.15);
  --color-glass-border: rgba(197, 179, 88, 0.2);
  
  /* Typography */
  --font-serif: 'Cormorant Garamond', serif;
  --font-sans: 'Helvetica Now Display', 'Helvetica Neue', sans-serif;
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  
  /* Border & Effects */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --blur-sm: 10px;
  --blur-md: 20px;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Shadows */
  --shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 20px rgba(197, 179, 88, 0.1);
}

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

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

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

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

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

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

h1 {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  letter-spacing: -0.01em;
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2.5rem);
}

p {
  margin-bottom: var(--space-sm);
  color: var(--color-text-secondary);
  font-size: clamp(1rem, 1.5vw, 1.125rem);
}

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

a:hover {
  color: var(--color-text-primary);
}

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

.site-header {
  position: relative;
  padding: var(--space-md) var(--space-lg);
  background: var(--color-glass-bg);
  backdrop-filter: blur(var(--blur-md));
  -webkit-backdrop-filter: blur(var(--blur-md));
  border-bottom: 1px solid var(--color-glass-border);
  z-index: 1000;
}

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

.brand-name {
  font-family: var(--font-serif);
  font-size: clamp(1rem, 2vw, 1.3rem);
  color: var(--color-text-primary);
  font-weight: 500;
}

.main-navigation {
  display: flex;
  gap: var(--space-lg);
  align-items: center;
  list-style: none;
}

.burger-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--color-glass-border);
  padding: var(--space-xs) var(--space-sm);
  cursor: pointer;
  color: var(--color-text-primary);
  font-size: 1.5rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  z-index: 10001;
  position: relative;
  min-width: 44px;
  min-height: 44px;
}

.main-navigation a {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: var(--space-xs) 0;
  position: relative;
}

.main-navigation a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent-secondary);
  transition: width var(--transition-normal);
}

.main-navigation a:hover::after {
  width: 100%;
}

.burger-toggle:hover {
  background: var(--color-glass-bg);
  border-color: var(--color-accent-secondary);
}

.burger-toggle.active {
  background: var(--color-accent-primary);
}

/* Mobile Menu - Separate from header navigation */
.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 320px;
  max-width: 85vw;
  height: 100vh;
  background: var(--color-bg-secondary);
  backdrop-filter: blur(var(--blur-md));
  -webkit-backdrop-filter: blur(var(--blur-md));
  z-index: 10000;
  border-left: 1px solid var(--color-glass-border);
  box-shadow: -4px 0 30px rgba(0, 0, 0, 0.6);
  transition: right var(--transition-normal);
  overflow-y: auto;
  padding: var(--space-xl) var(--space-lg);
}

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

.mobile-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 0, 2, 0.7);
  backdrop-filter: blur(2px);
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.mobile-menu-overlay.active {
  opacity: 1;
  visibility: visible;
}

.mobile-menu-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.mobile-menu-list li {
  margin: 0;
}

.mobile-menu-list a {
  display: block;
  color: var(--color-text-primary);
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: var(--space-md) var(--space-sm);
  border-bottom: 1px solid var(--color-glass-border);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.mobile-menu-list a:hover {
  color: var(--color-accent-secondary);
  padding-left: var(--space-md);
  border-bottom-color: var(--color-accent-secondary);
}

.mobile-menu-close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  background: transparent;
  border: 1px solid var(--color-glass-border);
  color: var(--color-text-primary);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  transition: all var(--transition-fast);
}

.mobile-menu-close:hover {
  background: var(--color-accent-primary);
  border-color: var(--color-accent-primary);
  transform: rotate(90deg);
}

/* Mobile Navigation */
@media (max-width: 1023px) {
  .burger-toggle {
    display: block;
  }
  
  nav {
    display: none;
  }
  
  .mobile-menu {
    display: block;
  }
}

@media (min-width: 1024px) {
  .main-navigation {
    display: flex;
  }
  
  .burger-toggle {
    display: none;
  }
  
  .mobile-menu {
    display: none !important;
  }
  
  .mobile-menu-overlay {
    display: none !important;
  }
}

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

.hero-banner {
  position: relative;
  width: 100vw;
  margin-left: calc(-50vw + 50%);
  min-height: 70vh;
  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: 0.4;
}

.banner-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: var(--space-xl);
  max-width: 900px;
  background: var(--color-glass-bg);
  backdrop-filter: blur(var(--blur-md));
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-glass);
}

.banner-content h1 {
  margin-bottom: var(--space-md);
  color: var(--color-text-primary);
}

.banner-content p {
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  color: var(--color-text-secondary);
  max-width: 700px;
  margin: 0 auto;
}

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

main {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--space-xl) var(--space-lg);
  width: 100%;
}

.content-section {
  margin-bottom: var(--space-xl);
  padding: var(--space-lg) 0;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-lg);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.section-header h2 {
  color: var(--color-text-primary);
  margin-bottom: var(--space-sm);
}

.section-header p {
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ============================================
   GRID LAYOUTS
   ============================================ */

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

.grid-item {
  background: var(--color-glass-bg);
  backdrop-filter: blur(var(--blur-sm));
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.grid-item-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-sm);
}

.grid-item h3 {
  font-size: 1.5rem;
  margin-bottom: var(--space-xs);
  color: var(--color-text-primary);
}

.grid-item p {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
}

/* Two Column Grid */
.grid-two-column {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
  align-items: start;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding: 0 var(--space-md);
}

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

.product-card {
  background: var(--color-glass-bg);
  backdrop-filter: blur(var(--blur-sm));
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  text-align: center;
  transition: all var(--transition-normal);
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-glow);
  border-color: var(--color-accent-secondary);
}

.product-image {
  width: 100%;
  height: 300px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-md);
}

.product-title {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  color: var(--color-text-primary);
  margin-bottom: var(--space-xs);
}

.product-description {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
  font-size: 1rem;
}

.product-price {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--color-accent-secondary);
  font-weight: 500;
}

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

.contact-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-lg);
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding: 0 var(--space-md);
}

.contact-form {
  background: var(--color-glass-bg);
  backdrop-filter: blur(var(--blur-sm));
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
}

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

.form-group label {
  display: block;
  margin-bottom: var(--space-xs);
  color: var(--color-text-primary);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--space-sm);
  background: rgba(10, 0, 2, 0.5);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
  font-family: var(--font-sans);
  font-size: 1rem;
  transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent-secondary);
}

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

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

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

.checkbox-group label {
  font-size: 0.85rem;
  text-transform: none;
  letter-spacing: normal;
  line-height: 1.5;
}

.submit-button {
  background: var(--color-accent-primary);
  color: var(--color-text-primary);
  border: 1px solid var(--color-accent-primary);
  padding: var(--space-sm) var(--space-lg);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  font-family: var(--font-sans);
  margin-top: 10px;
}

.submit-button:hover {
  background: transparent;
  border-color: var(--color-accent-secondary);
  color: var(--color-accent-secondary);
}

.contact-info {
  background: var(--color-glass-bg);
  backdrop-filter: blur(var(--blur-sm));
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
}

.contact-info h3 {
  margin-bottom: var(--space-md);
  color: var(--color-text-primary);
}

.contact-detail {
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-glass-border);
}

.contact-detail:last-child {
  border-bottom: none;
}

.contact-detail strong {
  display: block;
  color: var(--color-accent-secondary);
  margin-bottom: var(--space-xs);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.contact-detail p {
  color: var(--color-text-secondary);
  margin: 0;
}

.map-container {
  margin-top: var(--space-lg);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-glass-border);
}

.map-container iframe {
  width: 100%;
  height: 400px;
  border: none;
  display: block;
}


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

.site-footer {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-glass-border);
  padding: var(--space-lg);
  margin-top: var(--space-xl);
}

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

.footer-nav {
  display: flex;
  gap: var(--space-md);
  list-style: none;
  flex-wrap: wrap;
}

.footer-nav a {
  color: var(--color-text-secondary);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.footer-nav a:hover {
  color: var(--color-accent-secondary);
}

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

@media (max-width: 768px) {
  .footer-container {
    flex-direction: column;
    text-align: center;
    align-items: center;
    gap: var(--space-md);
  }
  
  .footer-nav {
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    width: 100%;
  }
  
  .footer-nav li {
    width: 100%;
    text-align: center;
  }
  
  .copyright {
    margin-top: var(--space-sm);
  }
}

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

.privacy-popup {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 0, 2, 0.9);
  backdrop-filter: blur(var(--blur-sm));
  z-index: 10000;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
}

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

.popup-content {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  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: 1px solid var(--color-glass-border);
  color: var(--color-text-primary);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.popup-close:hover {
  background: var(--color-accent-primary);
  border-color: var(--color-accent-primary);
}

.popup-content h2 {
  margin-bottom: var(--space-md);
  color: var(--color-text-primary);
}

.popup-content p {
  margin-bottom: var(--space-sm);
  color: var(--color-text-secondary);
}

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

.popup-button {
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-glass-border);
  background: var(--color-accent-primary);
  color: var(--color-text-primary);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  font-family: var(--font-sans);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.85rem;
}

.popup-button:hover {
  background: transparent;
  border-color: var(--color-accent-secondary);
  color: var(--color-accent-secondary);
}

.popup-button.secondary {
  background: transparent;
}

.popup-button.secondary:hover {
  background: var(--color-glass-bg);
}

/* ============================================
   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); }

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

.date {
  color: var(--color-text-secondary);
  font-size: 0.85rem;
  font-style: italic;
}

/* ============================================
   RESPONSIVE ADJUSTMENTS
   ============================================ */

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

@media (max-width: 480px) {
  :root {
    --space-lg: 2rem;
    --space-xl: 3rem;
  }
  
  .site-header {
    padding: var(--space-sm) var(--space-md);
  }
  
  .header-container {
    gap: var(--space-sm);
  }
}

/* ============================================
   404 PAGE
   ============================================ */

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

.error-page h1 {
  font-size: clamp(3rem, 8vw, 6rem);
  color: var(--color-accent-primary);
  margin-bottom: var(--space-md);
}

.error-page p {
  font-size: clamp(1rem, 2vw, 1.5rem);
  margin-bottom: var(--space-lg);
}

.error-link {
  display: inline-block;
  padding: var(--space-sm) var(--space-lg);
  background: var(--color-accent-primary);
  color: var(--color-text-primary);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.error-link:hover {
  background: transparent;
  border: 1px solid var(--color-accent-secondary);
  color: var(--color-accent-secondary);
}