/* ============================================
   FUTURISTIC PLANT-BASED MENU PLANNING SYSTEM
   Medical-Tech Interface Aesthetic (2070)
   ============================================ */

:root {
  /* Color Palette - Data-Overlay Aesthetics */
  --color-synthetic-white: #F0F4F8;
  --color-bioluminescent-teal: #00F2FF;
  --color-deep-kelp: #081C15;
  --color-circuit-orange: #FF6B00;
  --color-overlay-dark: rgba(8, 28, 21, 0.85);
  --color-overlay-light: rgba(240, 244, 248, 0.95);
  --color-glass-bg: rgba(240, 244, 248, 0.1);
  --color-glass-border: rgba(0, 242, 255, 0.2);
  
  /* Typography */
  --font-heading: 'Chakra Petch', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'Courier New', 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: 16px;
  --radius-xl: 24px;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
  --shadow-glow-teal: 0 0 20px rgba(0, 242, 255, 0.3);
  --shadow-glow-orange: 0 0 20px rgba(255, 107, 0, 0.3);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Layout */
  --max-width: 1400px;
  --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-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-deep-kelp);
  background-color: var(--color-synthetic-white);
  overflow-x: hidden;
}

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

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

h1 {
  font-size: clamp(1.1rem, 5vw, 3.5rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1rem, 4vw, 2.5rem);
  letter-spacing: -0.01em;
}

h3 {
  font-size: clamp(0.9rem, 3vw, 2rem);
}

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

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

a:hover {
  color: var(--color-circuit-orange);
}

/* Monospaced numbers for data */
.data-number {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--color-bioluminescent-teal);
}

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

.site-header {
  position: relative;
  width: 100%;
  background: var(--color-glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-glass-border);
  z-index: 1000;
  padding: var(--space-md) var(--space-lg);
}

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

.brand-text {
  font-family: var(--font-heading);
  font-size: clamp(1rem, 2vw, 1.25rem);
  font-weight: 700;
  color: var(--color-deep-kelp);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

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

.nav-menu li a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-deep-kelp);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.nav-menu li a:hover {
  background: var(--color-glass-bg);
  color: var(--color-bioluminescent-teal);
}

/* Burger Menu Button - Always Last in Header */
.burger-toggle {
  display: none;
  background: transparent;
  border: 2px solid var(--color-deep-kelp);
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  padding: var(--space-sm);
  transition: all var(--transition-fast);
  order: 999;
  z-index: 100001;
}

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

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

.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 Navigation Menu */
.mobile-nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: 280px;
  height: 100vh;
  background: var(--color-overlay-light);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border-left: 1px solid var(--color-glass-border);
  z-index: 999;
  padding: var(--space-xxl) var(--space-lg);
  transition: right var(--transition-base);
  box-shadow: var(--shadow-lg);
}

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

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

.mobile-nav-list li a {
  display: block;
  padding: var(--space-md);
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--color-deep-kelp);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.mobile-nav-list li a:hover {
  background: var(--color-glass-bg);
  color: var(--color-bioluminescent-teal);
  padding-left: var(--space-lg);
}

.mobile-nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(8, 28, 21, 0.5);
  z-index: 998;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

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

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

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

.hero-banner-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--color-overlay-dark) 0%, rgba(8, 28, 21, 0.6) 100%);
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: var(--max-width);
  width: 100%;
  padding: var(--space-xxl) var(--space-lg);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.hero-text {
  color: var(--color-synthetic-white);
}

.hero-text h1 {
  color: var(--color-synthetic-white);
  margin-bottom: var(--space-lg);
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-text p {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: rgba(240, 244, 248, 0.9);
  margin-bottom: var(--space-lg);
}

.hero-image-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-glow-teal);
}

.hero-image-wrapper img {
  width: 100%;
  height: auto;
  display: block;
  filter: brightness(1.1) contrast(1.05);
}

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

main {
  max-width: var(--max-width);
  margin: 0 auto;
}

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

.content-section {
  margin-bottom: var(--space-xxl);
  padding: var(--space-xl) 0;
}

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

.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-bioluminescent-teal), var(--color-circuit-orange));
  border-radius: 2px;
}

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

.grid-three {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.grid-four {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

/* Glassmorphism Cards */
.glass-card {
  background: var(--color-glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-md);
}

.glass-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow-teal);
  border-color: var(--color-bioluminescent-teal);
}

.card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
  filter: brightness(0.95) contrast(1.1);
}

.card-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
  color: var(--color-deep-kelp);
}

.card-content {
  color: var(--color-deep-kelp);
  opacity: 0.9;
}

/* Data Overlay Elements */
.data-tag {
  display: inline-block;
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-glass-bg);
  border: 1px solid var(--color-bioluminescent-teal);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-bioluminescent-teal);
  margin: var(--space-xs);
}

/* ============================================
   BUTTONS & CTAs
   ============================================ */

.btn {
  display: inline-block;
  padding: var(--space-md) var(--space-xl);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  border: 2px solid transparent;
  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-bioluminescent-teal), var(--color-circuit-orange));
  color: var(--color-synthetic-white);
  box-shadow: var(--shadow-md);
}

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

.btn-secondary {
  background: transparent;
  border-color: var(--color-bioluminescent-teal);
  color: var(--color-deep-kelp);
}

.btn-secondary:hover {
  background: var(--color-bioluminescent-teal);
  color: var(--color-synthetic-white);
}

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

.contact-form {
  max-width: 600px;
  margin: var(--space-xl) auto;
  padding: var(--space-xl);
  background: var(--color-glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

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

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

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--space-md);
  font-family: var(--font-body);
  font-size: 1rem;
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-md);
  background: var(--color-synthetic-white);
  color: var(--color-deep-kelp);
  transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-bioluminescent-teal);
  box-shadow: 0 0 0 3px rgba(0, 242, 255, 0.1);
}

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

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

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

.checkbox-group label {
  margin-bottom: 0;
  font-size: 0.9rem;
  cursor: pointer;
}

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

.map-container {
  width: 100%;
  height: 400px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin: var(--space-xl) 0;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-glass-border);
}

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

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

.site-footer {
  background: var(--color-deep-kelp);
  color: var(--color-synthetic-white);
  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 h3 {
  color: var(--color-bioluminescent-teal);
  margin-bottom: var(--space-md);
  font-size: 1.1rem;
}

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

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

.footer-menu li a {
  color: rgba(240, 244, 248, 0.8);
  transition: color var(--transition-fast);
}

.footer-menu li a:hover {
  color: var(--color-bioluminescent-teal);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-lg);
  margin-top: var(--space-lg);
  border-top: 1px solid rgba(240, 244, 248, 0.1);
  color: rgba(240, 244, 248, 0.6);
  font-size: 0.9rem;
}

/* ============================================
   SPECIALIZED PAGES
   ============================================ */

/* Chrono-Map Circular UI */
.chrono-map {
  position: relative;
  width: 100%;
  max-width: 600px;
  margin: var(--space-xl) auto;
  aspect-ratio: 1;
}

.chrono-circle {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 3px solid var(--color-bioluminescent-teal);
  position: relative;
  background: var(--color-glass-bg);
  backdrop-filter: blur(10px);
}

.chrono-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: var(--color-bioluminescent-teal);
}

.chrono-now {
  font-size: 2rem;
  font-family: var(--font-mono);
  margin-bottom: var(--space-sm);
}

.chrono-season {
  font-size: 1.2rem;
  opacity: 0.8;
}

.chrono-nutrients {
  font-size: 0.9rem;
  margin-top: var(--space-md);
  opacity: 0.7;
}

/* Performance Lab Brain Map */
.brain-visualization {
  width: 100%;
  height: 400px;
  background: var(--color-glass-bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: var(--space-xl) 0;
}

.brain-content {
  text-align: center;
  color: var(--color-bioluminescent-teal);
}

.brain-icon {
  font-size: 3rem;
  font-family: var(--font-heading);
  margin-bottom: var(--space-md);
}

.brain-title {
  font-size: 1.2rem;
  margin-bottom: var(--space-sm);
}

.brain-desc {
  font-size: 0.9rem;
  opacity: 0.8;
}

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

/* Modular Kitchen Blueprint */
.blueprint-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-md);
  margin: var(--space-xl) 0;
}

.blueprint-item {
  padding: var(--space-md);
  background: var(--color-glass-bg);
  border: 2px dashed var(--color-bioluminescent-teal);
  border-radius: var(--radius-md);
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

.blueprint-icon {
  font-size: 2rem;
  margin-bottom: var(--space-sm);
}

.blueprint-zone {
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.blueprint-desc {
  font-size: 0.85rem;
}

/* Cognitive Load Slider */
.cognitive-slider {
  margin: var(--space-xl) 0;
  padding: var(--space-xl);
  background: var(--color-glass-bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-glass-border);
}

.cognitive-slider h3 {
  margin-bottom: var(--space-md);
}

.slider-output {
  text-align: center;
  margin-top: var(--space-md);
}

.slider-value {
  font-size: 1.5rem;
  color: var(--color-bioluminescent-teal);
  margin-bottom: var(--space-sm);
  display: block;
}

.slider-description {
  opacity: 0.8;
}

.slider-control {
  width: 100%;
  height: 8px;
  border-radius: var(--radius-sm);
  background: var(--color-synthetic-white);
  outline: none;
  -webkit-appearance: none;
  margin: var(--space-lg) 0;
}

.slider-control::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-bioluminescent-teal);
  cursor: pointer;
  box-shadow: var(--shadow-glow-teal);
}

.slider-control::-moz-range-thumb {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-bioluminescent-teal);
  cursor: pointer;
  border: none;
  box-shadow: var(--shadow-glow-teal);
}

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

/* Centered Content Container */
.centered-content {
  max-width: 700px;
  margin: 0 auto;
  padding: var(--space-xxl) 0;
}

/* Thank You Page Styles */
.thank-you-title {
  color: var(--color-bioluminescent-teal);
  margin-bottom: var(--space-lg);
}

.thank-you-text {
  font-size: 1.1rem;
  margin-bottom: var(--space-lg);
}

.thank-you-buttons {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* 404 Page Styles */
.error-code {
  font-size: 6rem;
  color: var(--color-circuit-orange);
  margin-bottom: var(--space-md);
}

.error-text {
  font-size: 1.1rem;
  margin-bottom: var(--space-xl);
}

.error-buttons {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* Policy Pages Content */
.policy-content {
  max-width: 900px;
  margin: 0 auto;
  padding: var(--space-xl);
}

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

@media (max-width: 1023px) {
  .burger-toggle {
    display: flex;
  }
  
  .nav-menu {
    display: none;
  }
  
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-image-wrapper {
    order: -1;
    margin-bottom: var(--space-lg);
  }
  
  .grid-two,
  .grid-three,
  .grid-four {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    font-size: 14px;
  }
  
  .site-header {
    padding: var(--space-sm) var(--space-md);
  }
  

  
  .content-section {
    padding: var(--space-lg) 0;
  }
  
  .hero-banner {
    min-height: 50vh;
  }
  
  .contact-form {
    padding: var(--space-lg);
  }
  
  .footer-container {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
}

@media (max-width: 480px) {
  :root {
    font-size: 13px;
  }
  
  .hero-banner {
    min-height: 40vh;
  }
  
  .glass-card {
    padding: var(--space-md);
  }
}

@media (max-width: 320px) {
  :root {
    font-size: 12px;
  }
  
  .site-header {
    padding: var(--space-xs) var(--space-sm);
  }
  

}