:root {
  /* Base Colors - Laboratory Aesthetic */
  --color-laboratory-white: #F9FAFB;
  --color-vapor-grey: #D1D5DB;
  --color-electric-violet: #8B5CF6;
  --color-essence-gold: #D4AF37;
  --color-deep-moss: #2D5016;
  --color-citrus-yellow: #FCD34D;
  
  /* Semantic Colors */
  --color-primary: var(--color-electric-violet);
  --color-secondary: var(--color-essence-gold);
  --color-background: var(--color-laboratory-white);
  --color-text-primary: #1F2937;
  --color-text-secondary: var(--color-vapor-grey);
  --color-border: rgba(209, 213, 219, 0.3);
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Space Grotesk', var(--font-primary);
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-glass: 0 8px 32px 0 rgba(139, 92, 246, 0.15);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Z-index Layers */
  --z-base: 1;
  --z-header: 100;
  --z-menu: 200;
  --z-popup: 300;
  --z-overlay: 400;
}

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

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

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

body {
  font-family: var(--font-primary);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-background);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
}

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-text-primary);
}

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

a:hover {
  color: var(--color-electric-violet);
}

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

.site-header {
  position: relative;
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  background: rgba(249, 250, 251, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  z-index: var(--z-header);
}

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

.brand-name {
  font-family: var(--font-display);
  font-size: clamp(1rem, 2vw, 1.3rem);
  font-weight: 600;
  color: var(--color-text-primary);
}

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

.nav-menu a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-primary);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.nav-menu a:hover {
  background: rgba(139, 92, 246, 0.1);
  color: var(--color-primary);
}

/* Burger Menu Button - Always Visible on Header up to 1023px */
.burger-toggle {
  display: none;
  order: 999;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  width: 40px;
  height: 40px;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  z-index: calc(var(--z-menu) + 1);
  margin-left: auto;
  position: relative;
}

.burger-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

.burger-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

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

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

/* Mobile Menu - Slide-in from Right, Separate from Header */
.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 320px;
  max-width: 85vw;
  height: 100vh;
  background: rgba(249, 250, 251, 0.98);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  z-index: var(--z-menu);
  padding: var(--space-3xl) var(--space-lg);
  overflow-y: auto;
  box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
  transition: right var(--transition-base);
}

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

/* Overlay when menu is open */
.mobile-menu-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(0, 0, 0, 0.5);
  z-index: calc(var(--z-menu) - 1);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.mobile-menu-overlay.active {
  display: block;
  opacity: 1;
}

.mobile-menu-nav {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  max-width: 600px;
  margin: 0 auto;
}

.mobile-menu-nav a {
  display: block;
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--color-text-primary);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.mobile-menu-nav a:hover {
  background: rgba(139, 92, 246, 0.1);
  color: var(--color-primary);
  padding-left: var(--space-lg);
}

.mobile-menu-nav li {
  border-bottom: 1px solid rgba(209, 213, 219, 0.2);
}

.mobile-menu-nav li:last-child {
  border-bottom: none;
}

/* Responsive Header - Burger visible up to 1023px */
@media (max-width: 1023px) {
  .nav-menu {
    display: none;
  }
  
  .burger-toggle {
    display: flex;
  }
}

@media (max-width: 768px) {
  .site-header {
    padding: var(--space-sm) var(--space-md);
  }
  
  .brand-name {
    font-size: 1.125rem;
  }
}

/* ============================================
   HERO BANNERS (Full-Width with Background Image)
   ============================================ */

.hero-banner {
  position: relative;
  width: 100vw;
  margin-left: calc(-50vw + 50%);
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3xl) var(--space-lg);
  overflow: hidden;
}

.hero-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(45, 80, 22, 0.6) 0%, rgba(139, 92, 246, 0.6) 50%, rgba(252, 211, 77, 0.6) 100%);
  z-index: 1;
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  width: 100%;
  text-align: center;
  color: white;
}

.hero-text {
  margin-bottom: var(--space-xl);
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(10px);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  max-width: 900px;
  margin: 0 auto var(--space-xl);
}

.hero-text h1 {
  color: white;
  margin-bottom: var(--space-md);
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
}

.hero-text p {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: rgba(255, 255, 255, 0.95);
  max-width: 700px;
  margin: 0 auto;
}

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

main {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-lg);
}

.content-section {
  margin-bottom: var(--space-3xl);
  padding: var(--space-2xl) 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
  width: 100%;
  max-width: 900px;
}

.section-header h2 {
  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: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  border-radius: var(--radius-full);
}

/* ============================================
   GLASSMORPHISM CARDS
   ============================================ */

.glass-card {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-glass);
  transition: all var(--transition-base);
}

.glass-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px 0 rgba(139, 92, 246, 0.2);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-xl);
  max-width: 1200px;
  width: 100%;
  margin-left: auto;
  margin-right: auto;
}

/* ============================================
   IMAGE SECTIONS - Beautiful Grid Layout
   ============================================ */

.image-text-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
  margin-bottom: var(--space-2xl);
  max-width: 1200px;
  width: 100%;
}

.image-text-section.reverse {
  grid-template-columns: 1fr 1fr;
}

.image-text-section .section-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  height: 100%;
  min-height: 300px;
  max-height: 400px;
}

.image-text-section .section-image img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.image-text-section .section-image:hover img {
  transform: scale(1.05);
}

.image-text-section .section-content {
  padding: var(--space-lg);
}

@media (max-width: 768px) {
  .image-text-section,
  .image-text-section.reverse {
    grid-template-columns: 1fr;
    max-width: 100%;
  }
  
  .image-text-section.reverse .section-image {
    order: -1;
  }
  
  .image-text-section .section-image {
    min-height: 250px;
    max-height: 300px;
  }
}

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

.btn {
  display: inline-block;
  padding: var(--space-md) var(--space-xl);
  font-size: 1rem;
  font-weight: 500;
  text-align: center;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  margin-top: 10px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-electric-violet));
  color: white;
  box-shadow: var(--shadow-md);
}

.footer-section p{color: white}
.footer-bottom p{color: white}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: white;
}

.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-secondary:hover {
  background: var(--color-primary);
  color: white;
}

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

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

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

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--space-md);
  font-family: var(--font-primary);
  font-size: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  transition: all var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.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: 4px;
  cursor: pointer;
}

.checkbox-group label {
  margin-bottom: 0;
  font-weight: 400;
  font-size: 0.9375rem;
  cursor: pointer;
}

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

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-xl);
}

.product-card {
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

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

.product-image {
  width: 100%;
  height: 250px;
  overflow: hidden;
  background: var(--color-vapor-grey);
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.product-card:hover .product-image img {
  transform: scale(1.1);
}

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

.product-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--color-text-primary);
}

.product-price {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-top: var(--space-md);
}

/* ============================================
   INTERACTIVE ELEMENTS
   ============================================ */

.mood-mapper {
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(20px);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  margin: var(--space-xl) 0;
  border: 1px solid var(--color-border);
}

.mapper-controls {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
  justify-content: center;
}

.keyword-btn {
  padding: var(--space-sm) var(--space-lg);
  background: rgba(139, 92, 246, 0.1);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-full);
  color: var(--color-primary);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-base);
}

.keyword-btn:hover,
.keyword-btn.active {
  background: var(--color-primary);
  color: white;
}

.visual-identity {
  min-height: 300px;
  background: linear-gradient(135deg, var(--color-electric-violet), var(--color-essence-gold));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: var(--space-lg);
  position: relative;
  overflow: hidden;
}

.identity-shape {
  width: 200px;
  height: 200px;
  background: rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(10px);
  border-radius: 50%;
  animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.7; }
  50% { transform: scale(1.2); opacity: 1; }
}

/* ============================================
   SCIENTIFIC FORMULA SECTION
   ============================================ */

.formula-section {
  background: rgba(139, 92, 246, 0.05);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  margin: var(--space-xl) 0;
  border-left: 4px solid var(--color-primary);
}

.formula-display {
  font-family: 'Courier New', monospace;
  font-size: 1.25rem;
  background: white;
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  margin: var(--space-md) 0;
  text-align: center;
  box-shadow: var(--shadow-sm);
}

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

.map-container {
  width: 100%;
  height: 400px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  margin: var(--space-xl) 0;
}

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

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

.site-footer {
  background: rgba(31, 41, 55, 0.95);
  color: rgba(255, 255, 255, 0.9);
  padding: var(--space-2xl) var(--space-lg);
  margin-top: var(--space-3xl);
}

.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: white;
  margin-bottom: var(--space-md);
}

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

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

.footer-menu a {
  color: rgba(255, 255, 255, 0.8);
  transition: color var(--transition-fast);
}

.footer-menu a:hover {
  color: white;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-xl);
  margin-top: var(--space-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.875rem;
}

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

.privacy-popup {
  display: none;
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  max-width: 400px;
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-lg);
  z-index: var(--z-popup);
  border: 1px solid var(--color-border);
}

.privacy-popup.active {
  display: block;
  animation: slideUp 0.3s ease;
}

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

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

.popup-actions .btn {
  flex: 1;
  padding: var(--space-sm) var(--space-md);
  font-size: 0.875rem;
}

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

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

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

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

.date {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  font-style: italic;
}

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

@media (max-width: 768px) {
  main {
    padding: var(--space-lg) var(--space-md);
  }
  
  .content-section {
    margin-bottom: var(--space-2xl);
    padding: var(--space-lg) 0;
  }
  
  .hero-banner {
    min-height: 50vh;
    padding: var(--space-2xl) var(--space-md);
  }
  
  .card-grid,
  .products-grid {
    grid-template-columns: 1fr;
  }
  
  .privacy-popup {
    bottom: var(--space-md);
    right: var(--space-md);
    left: var(--space-md);
    max-width: none;
  }
}

@media (max-width: 320px) {
  html {
    font-size: 14px;
  }
  
  .site-header {
    padding: var(--space-xs) var(--space-sm);
  }
  
  main {
    padding: var(--space-md) var(--space-sm);
  }
}

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

.error-page {
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-3xl) var(--space-lg);
}

.error-code {
  font-size: clamp(4rem, 15vw, 8rem);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.error-message {
  font-size: clamp(1.25rem, 4vw, 1.75rem);
  margin-bottom: var(--space-xl);
  color: var(--color-text-primary);
}