/* ============================================
   SYSTEMATIC PURITY - Design System
   Kitchen Pantry Styling & Organization
   ============================================ */

:root {
  /* Base Colors - Systematic Purity Palette */
  --color-pantry-white: #FDFDFD;
  --color-anodized-silver: #C0C0C0;
  --color-airtight-blue: #E0F2F1;
  --color-system-green: #39FF14;
  --color-dark-base: #1a1a1a;
  --color-text-primary: #2c2c2c;
  --color-text-secondary: #666666;
  --color-overlay-dark: rgba(26, 26, 26, 0.85);
  --color-overlay-light: rgba(253, 253, 253, 0.95);
  
  /* Typography */
  --font-headline: 'Questrial', sans-serif;
  --font-label: 'VCR OSD Mono', monospace;
  --font-body: 'Inter', sans-serif;
  
  /* Spacing System */
  --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;
  --border-thin: 1px solid var(--color-anodized-silver);
  --border-laser: 1px solid var(--color-system-green);
  
  /* Shadows & Effects */
  --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: 0 0 20px rgba(57, 255, 20, 0.3);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.1);
  --glass-border: rgba(255, 255, 255, 0.2);
  --glass-blur: blur(10px);
}

/* ============================================
   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-body);
  color: var(--color-text-primary);
  background-color: var(--color-pantry-white);
  line-height: 1.6;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-headline);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

h1 {
  font-size: clamp(2rem, 5vw, 4rem);
  margin-bottom: var(--space-lg);
}

h2 {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  margin-bottom: var(--space-md);
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  margin-bottom: var(--space-md);
}

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

.label-text {
  font-family: var(--font-label);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--color-text-secondary);
}

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

.site-header {
  position: relative;
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  background: var(--color-overlay-light);
  backdrop-filter: var(--glass-blur);
  border-bottom: var(--border-thin);
  z-index: 1000;
}

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

.brand-name {
  font-family: var(--font-headline);
  font-size: clamp(1rem, 2vw, 1.35rem);
  font-weight: 400;
  color: var(--color-text-primary);
}

.main-nav {
  display: flex;
  gap: 15px;
  align-items: center;
  flex-wrap: wrap;
}

.nav-link {
  font-size: clamp(0.875rem, 1.5vw, 1rem);
  padding: var(--space-sm) var(--space-md);
  position: relative;
  transition: var(--transition-base);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 1px;
  background: var(--color-system-green);
  transition: var(--transition-base);
}

.nav-link:hover::after {
  width: 80%;
}

.burger-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: var(--space-sm);
  background: transparent;
  border: var(--border-thin);
  border-radius: var(--radius-sm);
  cursor: pointer;
  z-index: 100001;
  order: 999;
}

.burger-line {
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  transition: var(--transition-base);
}

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

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

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

.mobile-nav {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-overlay-light);
  backdrop-filter: var(--glass-blur);
  border-bottom: var(--border-thin);
  padding: var(--space-lg);
  flex-direction: column;
  gap: var(--space-md);
  z-index: 999;
}

.mobile-nav.active {
  display: flex;
}

.mobile-nav .nav-link {
  padding: var(--space-md);
  border-bottom: var(--border-thin);
}

/* ============================================
   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-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  opacity: 0.35;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(224, 242, 241, 0.88) 0%,
    rgba(253, 253, 253, 0.94) 50%,
    rgba(224, 242, 241, 0.88) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  padding: var(--space-xl);
  text-align: center;
  color: var(--color-text-primary);
  margin: 0 auto;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 5rem);
  margin-bottom: var(--space-lg);
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  font-weight: 300;
  max-width: 800px;
  margin: 0 auto;
}

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

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

.content-section {
  margin-bottom: var(--space-xxl);
  padding: var(--space-xl) 0;
  max-width: 1400px;
  margin-left: auto;
  margin-right: auto;
  width: 100%;
}

.section-title {
  text-align: center;
  margin-bottom: var(--space-xl);
  position: relative;
  padding-bottom: var(--space-md);
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 2px;
  background: var(--color-system-green);
}

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

.grid-container {
  display: grid;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

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

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

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  justify-items: center;
}

.grid-item {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: var(--border-thin);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
  max-width: 100%;
  width: 100%;
}

.grid-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(57, 255, 20, 0.1),
    transparent
  );
  transition: var(--transition-slow);
}

.grid-item:hover::before {
  left: 100%;
}

.grid-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-system-green);
}

.grid-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-md);
}

.grid-content h3 {
  margin-bottom: var(--space-sm);
}

/* ============================================
   INTERACTIVE VISUALIZER
   ============================================ */

.visualizer-container {
  position: relative;
  width: 100%;
  max-width: 1200px;
  margin: var(--space-xl) auto;
  border: var(--border-laser);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-dark-base);
}

.visualizer-image-wrapper {
  position: relative;
  width: 100%;
  height: 600px;
  overflow: hidden;
}

.visualizer-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: contrast(1.2);
}

.visualizer-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    to bottom,
    rgba(26, 26, 26, 0.3) 0%,
    rgba(26, 26, 26, 0.7) 100%
  );
  mix-blend-mode: multiply;
  pointer-events: none;
}

.visualizer-control {
  position: absolute;
  right: var(--space-lg);
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
}

.visualizer-slider {
  width: 8px;
  height: 400px;
  background: var(--color-anodized-silver);
  border-radius: var(--radius-sm);
  position: relative;
  cursor: grab;
}

.visualizer-slider::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--slider-position, 50%);
  background: var(--color-system-green);
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}

.visualizer-slider:active {
  cursor: grabbing;
}

.visualizer-metric {
  position: absolute;
  top: var(--space-lg);
  left: var(--space-lg);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: var(--border-laser);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
  z-index: 10;
}

.metric-label {
  font-family: var(--font-label);
  font-size: 0.75rem;
  color: var(--color-system-green);
  margin-bottom: var(--space-xs);
}

.metric-value {
  font-family: var(--font-headline);
  font-size: 2rem;
  color: var(--color-pantry-white);
}

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

.product-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: var(--border-thin);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  text-align: center;
  transition: var(--transition-base);
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-system-green);
}

.product-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-md);
}

.product-title {
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  margin-bottom: var(--space-sm);
}

.product-description {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
  font-size: 0.9375rem;
}

.product-price {
  font-family: var(--font-headline);
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  color: var(--color-text-primary);
  font-weight: 400;
}

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

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

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.info-item {
  padding: var(--space-lg);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: var(--border-thin);
  border-radius: var(--radius-md);
}

.info-label {
  font-family: var(--font-label);
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xs);
}

.info-value {
  font-size: 1.125rem;
  color: var(--color-text-primary);
}

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

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

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

.form-input,
.form-textarea {
  padding: var(--space-md);
  border: var(--border-thin);
  border-radius: var(--radius-sm);
  background: var(--color-pantry-white);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: var(--transition-base);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-system-green);
  box-shadow: 0 0 0 3px rgba(57, 255, 20, 0.1);
}

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

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

.checkbox-input {
  width: 20px;
  height: 20px;
  margin-top: 2px;
  cursor: pointer;
}

.checkbox-label {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.btn-submit {
  padding: var(--space-md) var(--space-xl);
  background: var(--color-dark-base);
  color: var(--color-pantry-white);
  border: var(--border-laser);
  border-radius: var(--radius-md);
  font-family: var(--font-headline);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: var(--transition-base);
  align-self: flex-start;
  margin-top: 10px;
}

.btn-submit:hover {
  background: var(--color-system-green);
  color: var(--color-dark-base);
  box-shadow: var(--shadow-glow);
}

.map-container {
  width: 100%;
  height: 400px;
  border: var(--border-thin);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-top: var(--space-xl);
}

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

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

.site-footer {
  background: var(--color-dark-base);
  color: var(--color-pantry-white);
  padding: var(--space-xl) var(--space-lg);
  margin-top: var(--space-xxl);
  border-top: var(--border-laser);
}

.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 {
  font-size: 1rem;
  margin-bottom: var(--space-md);
  color: var(--color-system-green);
}

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

.footer-link {
  font-size: 0.875rem;
  color: var(--color-anodized-silver);
  transition: var(--transition-base);
}

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

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

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

.privacy-popup {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  z-index: 10000;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
}

.privacy-popup.active {
  display: flex;
}

.popup-content {
  background: var(--color-pantry-white);
  border: var(--border-laser);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  max-width: 600px;
  max-height: 80vh;
  overflow-y: auto;
  position: relative;
}

.popup-close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: var(--border-thin);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition-base);
}

.popup-close:hover {
  background: var(--color-dark-base);
  color: var(--color-pantry-white);
}

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

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

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

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

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

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

@media (max-width: 1023px) {
  .main-nav {
    display: none;
  }
  
  .burger-toggle {
    display: flex;
  }
  
  .contact-container {
    grid-template-columns: 1fr;
  }
  
  .visualizer-control {
    right: var(--space-md);
  }
  
  .visualizer-slider {
    height: 300px;
  }
}

@media (max-width: 768px) {
  .hero-banner {
    min-height: 50vh;
  }
  
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
  
  .visualizer-image-wrapper {
    height: 400px;
  }
  
  .footer-container {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .site-header {
    padding: var(--space-sm) var(--space-md);
  }
  
  main {
    padding: var(--space-lg) var(--space-md);
  }
  
  .content-section {
    padding: var(--space-lg) 0;
  }
  
  .hero-content {
    padding: var(--space-lg);
  }
  
  .visualizer-metric {
    top: var(--space-sm);
    left: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
  }
  
  .metric-value {
    font-size: 1.5rem;
  }
}

@media (max-width: 320px) {
  html {
    font-size: 14px;
  }
  
  .hero-banner {
    min-height: 40vh;
  }
  
  .visualizer-image-wrapper {
    height: 300px;
  }
}