/* ============================================
   Bio-Maintenance Bay - Design System
   Tactical Sustainment Aesthetic
   ============================================ */

:root {
  /* Base Colors - Tactical Palette */
  --color-moss-carbon: #0D110D;
  --color-electric-peridot: #ADFF2F;
  --color-alert-copper: #D2691E;
  --color-ledger-blue: #2F4F4F;
  
  /* Derived Colors */
  --color-primary: var(--color-electric-peridot);
  --color-secondary: var(--color-ledger-blue);
  --color-accent: var(--color-alert-copper);
  --color-bg-dark: var(--color-moss-carbon);
  --color-bg-light: #1a1f1a;
  --color-text-primary: #e8e8e8;
  --color-text-secondary: #b0b0b0;
  --color-border: rgba(173, 255, 47, 0.2);
  
  /* Typography */
  --font-primary: 'Michroma', sans-serif;
  --font-secondary: 'Share Tech Mono', monospace;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-md: 1.125rem;
  --font-size-lg: 1.5rem;
  --font-size-xl: 2rem;
  --font-size-xxl: 2.5rem;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-xxl: 3rem;
  
  /* Layout */
  --container-max-width: 1200px;
  --header-height: 70px;
  --footer-height: 120px;
  
  /* Borders & Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --border-width: 1px;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px rgba(173, 255, 47, 0.3);
  --shadow-glow-strong: 0 0 30px rgba(173, 255, 47, 0.5);
  
  /* 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;
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: var(--font-secondary);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-bg-dark);
  overflow-x: hidden;
  position: relative;
}

/* Scan Lines Animation */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    transparent 50%,
    rgba(173, 255, 47, 0.03) 50%
  );
  background-size: 100% 4px;
  pointer-events: none;
  z-index: 9999;
  animation: scanLines 8s linear infinite;
}

@keyframes scanLines {
  0% { transform: translateY(0); }
  100% { transform: translateY(4px); }
}

/* ============================================
   Typography
   ============================================ */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: var(--space-md);
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 2px;
}

h1 {
  font-size: clamp(1.4rem, 3vw, var(--font-size-xxl));
}

h2 {
  font-size: clamp(1.2rem, 2vw, var(--font-size-xl));
}

h3 {
  font-size: clamp(1rem, 1vw, var(--font-size-lg));
}

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

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

a:hover {
  color: var(--color-electric-peridot);
  text-shadow: 0 0 10px rgba(173, 255, 47, 0.5);
}

/* ============================================
   Maintenance Countdown Ticker
   ============================================ */

.maintenance-ticker {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--color-bg-light);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-secondary);
  font-size: var(--font-size-xs);
  color: var(--color-primary);
  z-index: var(--z-header);
  text-align: center;
  overflow: hidden;
  white-space: nowrap;
}

.maintenance-ticker::before {
  content: '▶';
  margin-right: var(--space-sm);
  color: var(--color-alert-copper);
}

/* ============================================
   Header
   ============================================ */

.site-header {
  position: relative;
  background: var(--color-bg-light);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-md) var(--space-lg);
  margin-top: 30px;
  z-index: var(--z-header);
}

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

.brand-name {
  font-family: var(--font-primary);
  font-size: clamp(1rem, 1.2vw, 1.45rem);
  color: var(--color-primary);
  text-shadow: 0 0 10px rgba(173, 255, 47, 0.3);
}

/* Burger Menu Button */
.burger-menu-btn {
  display: none;
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-primary);
  padding: var(--space-sm) var(--space-md);
  cursor: pointer;
  font-size: var(--font-size-lg);
  transition: all var(--transition-base);
  position: relative;
  z-index: calc(var(--z-menu) + 1);
  margin-left: auto;
  order: 999;
}

.burger-menu-btn:hover {
  background: var(--color-bg-light);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
}

.burger-menu-btn.active {
  background: var(--color-primary);
  color: var(--color-bg-dark);
}

.burger-menu-btn span {
  display: block;
  width: 25px;
  height: 2px;
  background: currentColor;
  margin: 5px 0;
  transition: var(--transition-base);
}

.burger-menu-btn.active span:nth-child(1) {
  transform: rotate(45deg) translate(7px, 7px);
}

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

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

/* Navigation */
.main-nav {
  display: flex;
  list-style: none;
  align-items: center;
}

.main-nav a {
  font-family: var(--font-secondary);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid transparent;
  transition: all var(--transition-base);
  position: relative;
  display: flex;
  gap: 25px;
}


.main-nav a:hover::before {
  opacity: 1;
}

.main-nav a:hover {
  border-color: var(--color-border);
  background: rgba(173, 255, 47, 0.05);
}

/* Mobile Navigation */
@media (max-width: 1023px) {
  .burger-menu-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }
  
  .main-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--color-bg-light);
    border-left: 1px solid var(--color-border);
    flex-direction: column;
    align-items: flex-start;
    padding: calc(var(--header-height) + var(--space-xl)) var(--space-lg) var(--space-lg);
    gap: var(--space-md);
    transition: right var(--transition-base);
    z-index: var(--z-menu);
    overflow-y: auto;
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.5);
  }
  
  .main-nav.active {
    right: 0;
  }
  
  .main-nav a {
    width: 100%;
    padding: var(--space-md);
    border: 1px solid var(--color-border);
  }
}

/* ============================================
   Main Content
   ============================================ */

main {
  min-height: calc(100vh - var(--header-height) - var(--footer-height));
  padding: var(--space-xl) 0;
}

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

/* ============================================
   Hero Banner
   ============================================ */

.hero-banner {
  position: relative;
  padding: var(--space-xxl) var(--space-lg);
  margin-bottom: var(--space-xxl);
  background: linear-gradient(135deg, var(--color-bg-light) 0%, var(--color-bg-dark) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  max-width: var(--container-max-width);
  margin: 0 auto;
}

.hero-text {
  order: 1;
}

.hero-image {
  order: 2;
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  overflow: hidden;
  position: relative;
}

.hero-image img {
  width: 100%;
  height: auto;
  display: block;
  transition: filter var(--transition-slow);
}

.hero-image:hover img {
  filter: grayscale(0.5) brightness(0.8);
}

/* Component Scan Wireframe Effect */
.hero-image::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border: 2px solid var(--color-primary);
  opacity: 0;
  transition: opacity var(--transition-slow);
  pointer-events: none;
  box-shadow: inset 0 0 20px var(--color-primary);
}

.hero-image:hover::after {
  opacity: 0.6;
  animation: wireframePulse 2s ease-in-out infinite;
}

@keyframes wireframePulse {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 0.9; }
}

/* Hero images always below text - no side-by-side layout */

/* ============================================
   Sections
   ============================================ */

.content-section {
  margin-bottom: var(--space-xxl);
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--color-border);
}

.section-title {
  text-align: center;
  margin-bottom: var(--space-xl);
  position: relative;
  padding-bottom: var(--space-md);
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 2px;
  background: var(--color-primary);
  box-shadow: var(--shadow-glow);
}

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

.section-card {
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.section-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-primary);
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

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

.section-card:hover::before {
  transform: scaleX(1);
}

.section-card img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-md);
  border: 1px solid var(--color-border);
}

/* ============================================
   Interactive Features
   ============================================ */

/* Exploded View Effect */
.exploded-view {
  position: relative;
  overflow: hidden;
}

.exploded-view img {
  transition: transform var(--transition-slow);
}

.exploded-view:hover img {
  transform: scale(1.05);
}

/* pH Color Spectrum */
.ph-spectrum {
  display: flex;
  gap: var(--space-xs);
  margin: var(--space-lg) 0;
  padding: var(--space-md);
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.ph-level {
  flex: 1;
  height: 60px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  border: 1px solid transparent;
}

.ph-level:hover {
  transform: scaleY(1.2);
  box-shadow: var(--shadow-glow);
  border-color: var(--color-primary);
  z-index: var(--z-base);
}

.ph-level::after {
  content: attr(data-ph);
  position: absolute;
  bottom: -25px;
  left: 50%;
  transform: translateX(-50%);
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.ph-level:hover::after {
  opacity: 1;
}

/* Heat Map */
.heat-map {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
  gap: var(--space-sm);
  margin: var(--space-lg) 0;
  padding: var(--space-md);
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.heat-cell {
  aspect-ratio: 1;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
  cursor: pointer;
  position: relative;
}

.heat-cell:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-glow);
  z-index: var(--z-base);
}

.heat-cell::after {
  content: attr(data-temp);
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: var(--font-size-xs);
  color: var(--color-text-primary);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.heat-cell:hover::after {
  opacity: 1;
}

/* ============================================
   Forms
   ============================================ */

.contact-form {
  max-width: 600px;
  margin: 0 auto;
  padding: var(--space-xl);
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

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

.form-group label {
  display: block;
  margin-bottom: var(--space-sm);
  color: var(--color-primary);
  font-family: var(--font-secondary);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--space-md);
  background: var(--color-bg-dark);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
  font-family: var(--font-secondary);
  font-size: var(--font-size-base);
  transition: all var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 10px rgba(173, 255, 47, 0.3);
}

.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;
  text-transform: none;
  letter-spacing: normal;
  cursor: pointer;
}

.btn {
  display: inline-block;
  padding: var(--space-md) var(--space-xl);
  background: transparent;
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
  font-family: var(--font-secondary);
  font-size: var(--font-size-base);
  text-transform: uppercase;
  letter-spacing: 2px;
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  margin-top: 10px;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--color-primary);
  transition: left var(--transition-base);
  z-index: -1;
}

.btn:hover {
  color: var(--color-bg-dark);
  box-shadow: var(--shadow-glow);
}

.btn:hover::before {
  left: 0;
}

.btn:active {
  transform: scale(0.98);
}

/* ============================================
   Google Maps
   ============================================ */

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

.map-container iframe {
  width: 100%;
  height: 100%;
  border: none;
  filter: grayscale(0.3) contrast(1.1);
}

/* ============================================
   Products
   ============================================ */

.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: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  transition: all var(--transition-base);
  position: relative;
}

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

.product-card img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-md);
  border: 1px solid var(--color-border);
}

.product-title {
  font-family: var(--font-primary);
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.product-price {
  font-family: var(--font-secondary);
  color: var(--color-alert-copper);
  font-size: var(--font-size-lg);
  margin-top: var(--space-md);
}

/* ============================================
   Privacy Popup
   ============================================ */

.privacy-popup {
  position: fixed;
  bottom: var(--space-lg);
  left: var(--space-lg);
  right: var(--space-lg);
  max-width: 500px;
  background: var(--color-bg-light);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  box-shadow: var(--shadow-glow-strong);
  z-index: var(--z-popup);
  transform: translateY(150%);
  transition: transform var(--transition-base);
}

.privacy-popup.show {
  transform: translateY(0);
}

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

.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: var(--font-size-sm);
}

/* ============================================
   Footer
   ============================================ */

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

.footer-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  align-items: center;
  text-align: center;
}

.footer-menu {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  justify-content: center;
  list-style: none;
}

.footer-menu a {
  font-size: var(--font-size-sm);
  padding: var(--space-sm) var(--space-md);
  border: 1px solid transparent;
  transition: all var(--transition-base);
}

.footer-menu a:hover {
  border-color: var(--color-border);
}

.footer-info {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* ============================================
   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-text-secondary);
  font-size: var(--font-size-sm);
}

/* ============================================
   AR Overlay
   ============================================ */

.ar-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(13, 17, 13, 0.95);
  z-index: var(--z-overlay);
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: var(--space-xl);
}

.ar-overlay.active {
  display: flex;
}

.ar-camera-frame {
  width: 90%;
  max-width: 500px;
  aspect-ratio: 9/16;
  border: 3px solid var(--color-primary);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-glow-strong);
  position: relative;
  overflow: hidden;
}

.ar-camera-frame::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    linear-gradient(90deg, transparent 48%, var(--color-primary) 49%, var(--color-primary) 51%, transparent 52%),
    linear-gradient(0deg, transparent 48%, var(--color-primary) 49%, var(--color-primary) 51%, transparent 52%);
  opacity: 0.3;
  pointer-events: none;
}

.ar-close {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  background: var(--color-bg-light);
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-lg);
  transition: all var(--transition-base);
}

.ar-close:hover {
  background: var(--color-primary);
  color: var(--color-bg-dark);
  box-shadow: var(--shadow-glow);
}

/* ============================================
   Thank You Page
   ============================================ */

.thank-you-container {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
  padding: var(--space-xxl) var(--space-lg);
}

.thank-you-icon {
  font-size: 4rem;
  color: var(--color-primary);
  margin-bottom: var(--space-lg);
  text-shadow: var(--shadow-glow);
}

/* ============================================
   404 Page
   ============================================ */

.error-container {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
  padding: var(--space-xxl) var(--space-lg);
}

.error-code {
  font-size: 6rem;
  font-family: var(--font-primary);
  color: var(--color-primary);
  text-shadow: var(--shadow-glow);
  margin-bottom: var(--space-lg);
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 768px) {
  :root {
    --space-lg: 1rem;
    --space-xl: 1.5rem;
    --space-xxl: 2rem;
  }
  
  .hero-banner {
    padding: var(--space-lg);
  }
  
  .section-grid,
  .products-grid {
    grid-template-columns: 1fr;
  }
  
  .ph-spectrum {
    flex-direction: column;
  }
  
  .ph-level {
    height: 40px;
  }
  
  .contact-form {
    padding: var(--space-lg);
  }
  
  .privacy-popup {
    left: var(--space-md);
    right: var(--space-md);
  }
}

@media (max-width: 480px) {
  html {
    font-size: 14px;
  }
  
  .header-container {
    padding: 0;
  }
  
  .main-nav {
    width: 100%;
    right: -100%;
  }
  
  .container {
    padding: 0 var(--space-md);
  }
}

@media (max-width: 320px) {
  html {
    font-size: 12px;
  }
  
  .hero-banner {
    padding: var(--space-md);
  }
  
  .section-card,
  .product-card {
    padding: var(--space-md);
  }
}