/* ============================================
   GRID-LOGIC MINIMALISM - THE KINETIC KITCHEN
   Design System Variables
   ============================================ */

:root {
  /* Color Palette */
  --color-void: #121214;
  --color-cobalt: #4D77FF;
  --color-silver: #C0C0C0;
  --color-white: #FFFFFF;
  --color-cobalt-glow: rgba(77, 119, 255, 0.3);
  --color-silver-dim: rgba(192, 192, 192, 0.6);
  
  /* Typography */
  --font-primary: 'Space Grotesk', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-xxl: 4rem;
  
  /* Layout */
  --container-max: 1280px;
  --border-thin: 1px solid var(--color-silver-dim);
  --border-glow: 1px solid var(--color-cobalt);
  --radius-sm: 4px;
  --radius-md: 8px;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Shadows */
  --shadow-glow: 0 0 20px var(--color-cobalt-glow);
  --shadow-blueprint: 0 0 1px rgba(255, 255, 255, 0.1);
}

/* ============================================
   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);
  background-color: var(--color-void);
  color: var(--color-silver);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

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

h2 {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
}

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

.mono-text {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--color-cobalt);
  letter-spacing: 0.05em;
}

/* ============================================
   LAYOUT CONTAINERS
   ============================================ */

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

.container-narrow {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

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

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

.header-wrapper {
  position: relative;
  width: 100%;
  z-index: 1000;
}

.header-main {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-lg);
  border-bottom: var(--border-thin);
  background-color: rgba(18, 18, 20, 0.95);
  backdrop-filter: blur(10px);
}

.brand-text {
  font-family: var(--font-primary);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-white);
  text-decoration: none;
  letter-spacing: -0.02em;
}

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

.nav-link {
  color: var(--color-silver);
  text-decoration: none;
  font-size: 0.9375rem;
  transition: color var(--transition-fast);
  position: relative;
}

.nav-link:hover {
  color: var(--color-cobalt);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-cobalt);
  transition: width var(--transition-base);
}

.nav-link:hover::after {
  width: 100%;
}

/* Burger Menu */
.burger-toggle {
  display: none;
  background: none;
  border: var(--border-thin);
  padding: var(--space-sm) var(--space-md);
  cursor: pointer;
  color: var(--color-silver);
  font-size: 1.5rem;
  transition: all var(--transition-fast);
  order: 999;
  z-index: 100001;
}

.burger-toggle:hover {
  border-color: var(--color-cobalt);
  color: var(--color-cobalt);
}

.burger-toggle.active {
  border-color: var(--color-cobalt);
  color: var(--color-cobalt);
}

@media (max-width: 1023px) {
  .burger-toggle {
    display: block;
  }
  
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background-color: var(--color-void);
    border-left: var(--border-glow);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-xxl) var(--space-lg);
    gap: var(--space-lg);
    transition: right var(--transition-base);
    z-index: 999;
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
  }
  
  .nav-menu.active {
    right: 0;
  }
  
  .nav-link {
    font-size: 1.125rem;
    width: 100%;
    padding-bottom: var(--space-sm);
    border-bottom: var(--border-thin);
  }
}

/* ============================================
   HERO BANNERS (FULL-WIDTH)
   ============================================ */

.hero-banner {
  width: 100vw;
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-left: calc(-50vw + 50%);
  margin-right: calc(-50vw + 50%);
}


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

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    180deg,
    rgba(18, 18, 20, 0.4) 0%,
    rgba(18, 18, 20, 0.3) 50%,
    rgba(18, 18, 20, 0.5) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: var(--space-xxl);
  max-width: 900px;
  margin: 0 auto;
  background: rgba(18, 18, 20, 0.75);
  backdrop-filter: blur(10px);
  border: var(--border-thin);
  border-color: rgba(192, 192, 192, 0.2);
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  margin-bottom: var(--space-lg);
  text-shadow: 0 0 30px var(--color-cobalt-glow);
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--color-silver-dim);
  max-width: 700px;
  margin: 0 auto;
}

/* Blueprint Overlay Effect */
.blueprint-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(255, 255, 255, 0.03) 2px, rgba(255, 255, 255, 0.03) 4px),
    repeating-linear-gradient(90deg, transparent, transparent 2px, rgba(255, 255, 255, 0.03) 2px, rgba(255, 255, 255, 0.03) 4px);
  pointer-events: none;
  z-index: 1;
}

/* Scanning Motion Effect */
.scan-line {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-cobalt), transparent);
  box-shadow: 0 0 10px var(--color-cobalt);
  animation: scan 8s linear infinite;
  z-index: 2;
  pointer-events: none;
}

@keyframes scan {
  0% {
    top: 0;
    opacity: 1;
  }
  50% {
    opacity: 0.8;
  }
  100% {
    top: 100%;
    opacity: 0;
  }
}

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

.btn {
  display: inline-block;
  padding: var(--space-md) var(--space-xl);
  border: var(--border-glow);
  background-color: transparent;
  color: var(--color-cobalt);
  text-decoration: none;
  font-family: var(--font-primary);
  font-size: 0.9375rem;
  font-weight: 500;
  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-cobalt);
  transition: left var(--transition-base);
  z-index: -1;
}

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

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

.btn-secondary {
  border-color: var(--color-silver-dim);
  color: var(--color-silver);
}

.btn-secondary:hover {
  border-color: var(--color-cobalt);
  color: whitesmoke;
}

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

.grid-two {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
  align-items: center;
}

.grid-three {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

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

@media (max-width: 768px) {
  .grid-two,
  .grid-three {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   FEATURE CARDS
   ============================================ */

.feature-card {
  border: var(--border-thin);
  padding: var(--space-lg);
  background-color: rgba(18, 18, 20, 0.5);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: var(--border-glow);
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
}

.feature-card:hover {
  border-color: var(--color-cobalt);
  box-shadow: var(--shadow-glow);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  font-size: 2rem;
  color: var(--color-cobalt);
  margin-bottom: var(--space-md);
}

.feature-title {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}

/* ============================================
   FLOW-STATE SIMULATOR (Portfolio)
   ============================================ */

.flow-simulator {
  padding: var(--space-xxl) 0;
  background-color: rgba(77, 119, 255, 0.05);
  border-top: var(--border-thin);
  border-bottom: var(--border-thin);
}

.heatmap-container {
  position: relative;
  width: 100%;
  max-width: 800px;
  margin: var(--space-xl) auto;
  aspect-ratio: 16/10;
  border: var(--border-glow);
  background: var(--color-void);
}

.heatmap-visual {
  width: 100%;
  height: 100%;
  position: relative;
  background: linear-gradient(
    135deg,
    rgba(77, 119, 255, 0.1) 0%,
    rgba(77, 119, 255, 0.3) 50%,
    rgba(77, 119, 255, 0.1) 100%
  );
}

.heatmap-zone {
  position: absolute;
  border: 1px solid var(--color-cobalt);
  background: rgba(77, 119, 255, 0.2);
}

.zone-label {
  position: absolute;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-cobalt);
  padding: var(--space-xs);
  background: rgba(18, 18, 20, 0.8);
}

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

.metric-item {
  text-align: center;
  padding: var(--space-lg);
  border: var(--border-thin);
}

.metric-value {
  font-family: var(--font-mono);
  font-size: 2rem;
  color: var(--color-cobalt);
  margin-bottom: var(--space-sm);
}

.metric-label {
  font-size: 0.875rem;
  color: var(--color-silver-dim);
}

/* ============================================
   INVENTORY LOGIC SYSTEM (Services)
   ============================================ */

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

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

.style-btn {
  padding: var(--space-sm) var(--space-lg);
  border: var(--border-thin);
  background: transparent;
  color: var(--color-silver);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: var(--font-primary);
}

.style-btn.active,
.style-btn:hover {
  border-color: var(--color-cobalt);
  color: var(--color-cobalt);
  background: rgba(77, 119, 255, 0.1);
}

.shelf-visual {
  width: 100%;
  max-width: 900px;
  margin: var(--space-xl) auto;
  min-height: 400px;
  border: var(--border-glow);
  background: var(--color-void);
  position: relative;
  padding: var(--space-lg);
}

.shelf-item {
  position: absolute;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-silver-dim);
  background: rgba(192, 192, 192, 0.1);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-silver);
}

/* ============================================
   MATERIAL LIBRARY
   ============================================ */

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

.material-item {
  border: var(--border-thin);
  overflow: hidden;
  transition: all var(--transition-base);
  background: rgba(18, 18, 20, 0.5);
}

.material-item:hover {
  border-color: var(--color-cobalt);
  box-shadow: var(--shadow-glow);
}

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

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

.material-spec {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-cobalt);
  margin-top: var(--space-sm);
}

/* ============================================
   AI REACH-ZONE ANALYZER
   ============================================ */

.reach-analyzer {
  padding: var(--space-xxl) 0;
  background: rgba(77, 119, 255, 0.05);
  border-top: var(--border-thin);
  border-bottom: var(--border-thin);
}

.analyzer-form {
  max-width: 600px;
  margin: var(--space-xl) auto;
  display: grid;
  gap: var(--space-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.form-label {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--color-cobalt);
}

.form-input {
  padding: var(--space-md);
  border: var(--border-thin);
  background: rgba(18, 18, 20, 0.8);
  color: var(--color-silver);
  font-family: var(--font-primary);
  font-size: 1rem;
  transition: all var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-cobalt);
  box-shadow: 0 0 10px var(--color-cobalt-glow);
}

.zone-visual {
  width: 100%;
  max-width: 700px;
  margin: var(--space-xl) auto;
  min-height: 500px;
  border: var(--border-glow);
  background: var(--color-void);
  position: relative;
}

.gold-zone {
  position: absolute;
  border: 2px solid var(--color-cobalt);
  background: rgba(77, 119, 255, 0.2);
  box-shadow: var(--shadow-glow);
}

.zone-annotation {
  position: absolute;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-cobalt);
  padding: var(--space-xs);
  background: rgba(18, 18, 20, 0.9);
}

/* ============================================
   DIGITAL SHADOW INVENTORY
   ============================================ */

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

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

.integration-card {
  border: var(--border-thin);
  padding: var(--space-lg);
  text-align: center;
  transition: all var(--transition-base);
}

.integration-card:hover {
  border-color: var(--color-cobalt);
  box-shadow: var(--shadow-glow);
}

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

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

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xxl);
  margin-top: var(--space-xl);
}

.contact-form {
  display: grid;
  gap: var(--space-lg);
}

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

.checkbox-input {
  margin-top: 4px;
  cursor: pointer;
}

.checkbox-label {
  font-size: 0.875rem;
  color: var(--color-silver-dim);
  cursor: pointer;
}

.map-container {
  width: 100%;
  height: 400px;
  border: var(--border-thin);
  overflow: hidden;
}

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

.contact-info {
  display: grid;
  gap: var(--space-lg);
}

.contact-item {
  padding: var(--space-md);
  border: var(--border-thin);
  background: rgba(18, 18, 20, 0.5);
}

.contact-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-cobalt);
  margin-bottom: var(--space-xs);
}

.contact-value {
  color: var(--color-silver);
  font-size: 1rem;
}

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

/* ============================================
   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 {
  border: var(--border-thin);
  overflow: hidden;
  transition: all var(--transition-base);
  background: rgba(18, 18, 20, 0.5);
}

.product-card:hover {
  border-color: var(--color-cobalt);
  box-shadow: var(--shadow-glow);
}

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

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

.product-title {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}

.product-price {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  color: var(--color-cobalt);
  margin-top: var(--space-md);
}

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

.footer-main {
  border-top: var(--border-thin);
  padding: var(--space-xxl) 0 var(--space-lg);
  margin-top: var(--space-xxl);
}

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

.footer-section h4 {
  font-size: 1rem;
  margin-bottom: var(--space-md);
  color: var(--color-white);
}

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

.footer-link {
  color: var(--color-silver-dim);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--color-cobalt);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-lg);
  border-top: var(--border-thin);
  font-size: 0.875rem;
  color: var(--color-silver-dim);
}

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

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

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

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

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

.section-subtitle {
  text-align: center;
  color: var(--color-silver-dim);
  max-width: 700px;
  margin: 0 auto var(--space-xl);
}

.image-wrapper {
  position: relative;
  width: 100%;
  overflow: hidden;
  border: var(--border-thin);
}

.image-wrapper img {
  width: 100%;
  height: auto;
  display: block;
}

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

@media (max-width: 1023px) {
  .section {
    padding: var(--space-xl) 0;
  }
  
  .hero-banner {
    min-height: 60vh;
  }
}

@media (max-width: 768px) {
  html {
    font-size: 14px;
  }
  
  .container {
    padding: 0 var(--space-md);
  }
  
  .section {
    padding: var(--space-lg) 0;
  }
  
  .hero-content {
    padding: var(--space-lg);
  }
}

@media (max-width: 320px) {
  html {
    font-size: 12px;
  }
  
  .header-main {
    padding: var(--space-md);
  }
  
  .brand-text {
    font-size: 1.25rem;
  }
}

/* ============================================
   ANIMATIONS
   ============================================ */

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

.fade-in {
  animation: fadeIn 0.6s ease-out;
}

/* Auto-alignment snap effect */
.snap-element {
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}