/* CSS Variables - Biological Laboratory 2077 Theme */
:root {
  --color-primary: #E8EFEE;
  --color-accent: #A3FF12;
  --color-text: #3D4035;
  --color-surface: rgba(232, 239, 238, 0.95);
  --color-overlay: rgba(61, 64, 53, 0.1);
  
  --font-primary: 'Inter', sans-serif;
  --font-secondary: 'Space Grotesk', sans-serif;
  
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-xxl: 4rem;
  
  --radius-sm: 4px;
  --radius-md: 12px;
  --radius-lg: 24px;
  --radius-organic: 20px 40px 15px 35px;
  
  --transition-fast: 0.2s ease;
  --transition-normal: 0.4s ease;
  --transition-slow: 0.8s ease;
  
  --shadow-soft: 0 4px 20px rgba(61, 64, 53, 0.1);
  --shadow-glow: 0 0 20px rgba(163, 255, 18, 0.3);
}

/* 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-primary);
  color: var(--color-text);
  background: var(--color-primary);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Generative Background */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 30%, rgba(163, 255, 18, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(61, 64, 53, 0.03) 0%, transparent 50%),
    linear-gradient(135deg, var(--color-primary) 0%, #E0E8E6 100%);
  z-index: -1;
  animation: backgroundPulse 20s ease-in-out infinite;
}

@keyframes backgroundPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.95; }
}

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

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

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

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

p {
  margin-bottom: var(--space-md);
  font-size: clamp(1rem, 2vw, 1.125rem);
}

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

a:hover {
  color: var(--color-accent);
}

/* Header */
.header {
  background: var(--color-surface);
  backdrop-filter: blur(10px);
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--color-overlay);
  position: relative;
  z-index: 1000;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.header-brand {
  font-family: var(--font-secondary);
  font-size: clamp(1rem, 2vw, 1.45rem);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

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

.nav-link {
  font-size: clamp(0.875rem, 2vw, 1rem);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-organic);
  transition: all var(--transition-normal);
  position: relative;
}

.nav-link:hover {
  background: rgba(163, 255, 18, 0.1);
  transform: translateY(-2px);
}

/* Burger Menu */
.burger-button {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  z-index: 1001;
  position: relative;
  width: 40px;
  height: 40px;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
}

.burger-line {
  width: 100%;
  height: 2px;
  background: var(--color-text);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.burger-button.active .burger-line:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

.burger-button.active .burger-line:nth-child(2) {
  opacity: 0;
}

.burger-button.active .burger-line:nth-child(3) {
  transform: rotate(-45deg) translate(8px, -8px);
}

.burger-menu {
  display: none;
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  max-width: 400px;
  height: 100vh;
  background: var(--color-surface);
  backdrop-filter: blur(20px);
  padding: var(--space-xxl) var(--space-lg);
  z-index: 1000;
  transform: translateX(100%);
  transition: transform var(--transition-normal);
  overflow-y: auto;
  box-shadow: -4px 0 20px rgba(61, 64, 53, 0.2);
}

.burger-menu.active {
  transform: translateX(0);
}

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

.burger-menu-link {
  font-size: 1.25rem;
  padding: var(--space-md);
  display: block;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.burger-menu-link:hover {
  background: rgba(163, 255, 18, 0.15);
  padding-left: var(--space-lg);
}

@media (max-width: 1023px) {
  .burger-button {
    display: flex;
  }
  
  .header-nav .nav-list {
    display: none;
  }
  
  .burger-menu {
    display: block;
  }
}

/* Main Content */
.main {
  flex: 1;
  width: 100%;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
  width: 100%;
}

.section {
  padding: var(--space-xxl) 0;
}

/* Hero Banner */
.hero {
  position: relative;
  padding: var(--space-xxl) 0;
  min-height: 60vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
  width: 100%;
}

.hero-text {
  z-index: 2;
}

.hero-title {
  margin-bottom: var(--space-lg);
  background: linear-gradient(135deg, var(--color-text) 0%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  margin-bottom: var(--space-lg);
  color: var(--color-text);
  opacity: 0.9;
}

.hero-image-wrapper {
  position: relative;
  border-radius: var(--radius-organic);
  overflow: hidden;
  aspect-ratio: 4/3;
  box-shadow: var(--shadow-soft);
}

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

.hero-image:hover {
  transform: scale(1.05);
}

@media (max-width: 768px) {
  .hero-content {
    grid-template-columns: 1fr;
  }
}

/* Buttons */
.btn {
  display: inline-block;
  padding: var(--space-md) var(--space-xl);
  background: linear-gradient(135deg, var(--color-accent) 0%, #8FE00F 100%);
  color: var(--color-text);
  border: none;
  border-radius: var(--radius-organic);
  font-family: var(--font-secondary);
  font-size: clamp(0.875rem, 2vw, 1rem);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-align: center;
  box-shadow: var(--shadow-soft);
  position: relative;
  overflow: hidden;
  margin-top: 10px;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left var(--transition-slow);
}

.btn:hover::before {
  left: 100%;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
  color: black;
}

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

.btn-secondary:hover {
  background: rgba(163, 255, 18, 0.1);
}

/* Cards */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-organic);
  padding: var(--space-lg);
  box-shadow: var(--shadow-soft);
  transition: all var(--transition-normal);
  border: 1px solid var(--color-overlay);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.card-image {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
  aspect-ratio: 16/9;
  object-fit: cover;
}

.card-title {
  font-size: clamp(1.25rem, 3vw, 1.5rem);
  margin-bottom: var(--space-sm);
}

.card-text {
  font-size: clamp(0.875rem, 2vw, 1rem);
  opacity: 0.8;
}

/* Grid Layouts */
.grid {
  display: grid;
  gap: var(--space-lg);
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

/* Forms */
.form {
  max-width: 600px;
  margin: 0 auto;
}

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

.form-label {
  display: block;
  margin-bottom: var(--space-sm);
  font-weight: 600;
  font-size: clamp(0.875rem, 2vw, 1rem);
  color: var(--color-text);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-md);
  border: 2px solid var(--color-overlay);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  font-family: var(--font-primary);
  font-size: clamp(0.875rem, 2vw, 1rem);
  color: var(--color-text);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(163, 255, 18, 0.1);
}

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

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

.form-checkbox input {
  margin-top: 4px;
  width: 18px;
  height: 18px;
  cursor: pointer;
}

.form-checkbox label {
  font-size: clamp(0.875rem, 2vw, 1rem);
  cursor: pointer;
}

/* Footer */
.footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-overlay);
  padding: var(--space-xl) var(--space-lg);
  margin-top: auto;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.footer-section h3 {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  margin-bottom: var(--space-md);
}

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

.footer-link {
  font-size: clamp(0.875rem, 2vw, 1rem);
  opacity: 0.8;
  transition: opacity var(--transition-fast);
}

.footer-link:hover {
  opacity: 1;
  color: var(--color-accent);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-overlay);
  font-size: clamp(0.75rem, 1.5vw, 0.875rem);
  opacity: 0.7;
}

/* Privacy Popup */
.privacy-popup {
  display: none;
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  max-width: 400px;
  background: var(--color-surface);
  border-radius: var(--radius-organic);
  padding: var(--space-lg);
  box-shadow: var(--shadow-glow);
  z-index: 2000;
  border: 2px solid var(--color-accent);
}

.privacy-popup.active {
  display: block;
  animation: slideUp 0.5s ease;
}

@keyframes slideUp {
  from {
    transform: translateY(100px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

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

.privacy-popup-title {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  margin-bottom: var(--space-sm);
}

.privacy-popup-text {
  font-size: clamp(0.875rem, 2vw, 1rem);
  margin-bottom: var(--space-md);
}

.privacy-popup-buttons {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

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

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

/* Products */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
  margin: var(--space-xl) 0;
}

.product-card {
  background: var(--color-surface);
  border-radius: var(--radius-organic);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  transition: all var(--transition-normal);
}

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

.product-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
}

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

.product-title {
  font-size: clamp(1.25rem, 3vw, 1.5rem);
  margin-bottom: var(--space-sm);
}

.product-description {
  font-size: clamp(0.875rem, 2vw, 1rem);
  margin-bottom: var(--space-md);
  opacity: 0.8;
}

.product-price {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

/* 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 */
@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-md);
  }
  
  .section {
    padding: var(--space-xl) 0;
  }
  
  .hero {
    min-height: 50vh;
  }
  
  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
  
  .privacy-popup {
    right: var(--space-md);
    left: var(--space-md);
    max-width: none;
  }
}

@media (max-width: 480px) {
  html {
    font-size: 14px;
  }
  
  .header {
    padding: var(--space-sm) var(--space-md);
  }
  
  .section {
    padding: var(--space-lg) 0;
  }
}

/* Organic Shapes Animation */
@keyframes breathe {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.02);
  }
}

.organic-shape {
  animation: breathe 4s ease-in-out infinite;
}

/* Variable Font Weight on Scroll */
.scroll-text {
  font-variation-settings: 'wght' 400;
  transition: font-variation-settings var(--transition-slow);
}

/* 404 Page */
.error-page {
  min-height: 70vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: var(--space-xxl) var(--space-lg);
}

.error-code {
  font-size: clamp(4rem, 10vw, 8rem);
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.error-message {
  font-size: clamp(1.25rem, 3vw, 2rem);
  margin-bottom: var(--space-lg);
}

/* Thank You Page */
.thank-you-page {
  min-height: 70vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: var(--space-xxl) var(--space-lg);
}

.thank-you-icon {
  font-size: clamp(3rem, 8vw, 5rem);
  margin-bottom: var(--space-lg);
  color: var(--color-accent);
}

.thank-you-title {
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: var(--space-md);
}

.thank-you-message {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  max-width: 600px;
  margin-bottom: var(--space-xl);
  opacity: 0.9;
}

/* Date Display */
.date {
  font-size: clamp(0.875rem, 2vw, 1rem);
  opacity: 0.7;
  font-style: italic;
}