/* ============================================
   CYBER-ORGANIC GLOW DESIGN SYSTEM
   Lighting Atmosphere Website
   ============================================ */

:root {
  /* Color Palette */
  --color-bg-primary: #0D1117;
  --color-bg-secondary: #161B22;
  --color-accent-warm: #FFC581;
  --color-accent-cool: #E0F2FE;
  --color-text-primary: #F0F6FC;
  --color-text-secondary: #8B949E;
  --color-border: rgba(255, 197, 129, 0.2);
  
  /* Typography */
  --font-heading: 'Syncopate', sans-serif;
  --font-body: 'Sora', sans-serif;
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  
  /* Shadows & Effects */
  --shadow-glow-warm: 0 0 20px rgba(255, 197, 129, 0.3);
  --shadow-glow-cool: 0 0 20px rgba(224, 242, 254, 0.3);
  --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.3);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

h1 {
  font-size: clamp(1.5rem, 4vw, 3rem);
}

h2 {
  font-size: clamp(1.3rem, 3vw, 2rem);
}

h3 {
  font-size: clamp(1.1rem, 2vw, 1rem);
}

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

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

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

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

.site-header {
  position: relative;
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  background: rgba(13, 17, 23, 0.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
}

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

.brand-name {
  font-family: var(--font-heading);
  font-size: clamp(0.8rem, 2vw, 1.3rem);
  color: var(--color-accent-warm);
  text-transform: uppercase;
  position: relative;
}

.brand-name::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent-cool);
  transition: width var(--transition-base);
}

.brand-name:hover::after {
  width: 100%;
}

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

.nav-list {
  display: flex;
  list-style: none;
  gap: var(--space-md);
  align-items: center;
}

.nav-link {
  position: relative;
  padding: var(--space-xs) var(--space-sm);
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: color var(--transition-base);
}

.nav-link::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, var(--color-accent-warm), transparent);
  opacity: 0;
  transform: translateX(-100%);
  transition: all var(--transition-base);
  z-index: -1;
}

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

.nav-link:hover::before {
  opacity: 0.1;
  transform: translateX(0);
}

/* Burger Menu */
.burger-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-accent-warm);
  width: 44px;
  height: 44px;
  cursor: pointer;
  position: relative;
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
  flex-shrink: 0;
  z-index: 10001;
}

.burger-toggle:hover {
  border-color: var(--color-accent-cool);
  box-shadow: var(--shadow-glow-cool);
}

.burger-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 24px;
  height: 2px;
  background: currentColor;
  transition: all var(--transition-base);
}

.burger-icon::before,
.burger-icon::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 2px;
  background: currentColor;
  transition: all var(--transition-base);
}

.burger-icon::before {
  top: -8px;
}

.burger-icon::after {
  bottom: -8px;
}

.burger-toggle.active .burger-icon {
  background: transparent;
}

.burger-toggle.active .burger-icon::before {
  top: 0;
  transform: rotate(45deg);
}

.burger-toggle.active .burger-icon::after {
  bottom: 0;
  transform: rotate(-45deg);
}

.mobile-nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  max-width: 400px;
  height: 100vh;
  background: var(--color-bg-secondary);
  backdrop-filter: blur(20px);
  border-left: 1px solid var(--color-border);
  padding: var(--space-xl) var(--space-lg);
  z-index: 1002;
  transition: right var(--transition-slow);
  overflow-y: auto;
  box-shadow: -4px 0 20px rgba(0, 0, 0, 0.5);
}

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

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

.mobile-nav-link {
  display: block;
  padding: var(--space-sm);
  color: var(--color-text-secondary);
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

.mobile-nav-link:hover {
  color: var(--color-accent-warm);
  padding-left: var(--space-md);
}

.mobile-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  z-index: 1001;
}

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

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

main {
  min-height: calc(100vh - 200px);
}

/* ============================================
   HERO BANNERS
   ============================================ */

.hero-banner {
  position: relative;
  width: 100vw;
  margin-left: calc(-50vw + 50%);
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.banner-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
  opacity: 0.4;
}

.banner-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(13, 17, 23, 0.9) 0%,
    rgba(13, 17, 23, 0.7) 50%,
    rgba(13, 17, 23, 0.9) 100%
  );
  z-index: 2;
}

.banner-content {
  position: relative;
  z-index: 3;
  text-align: center;
  padding: var(--space-xl) var(--space-md);
  max-width: 900px;
  margin: 0 auto;
}

.banner-title {
  font-size: clamp(1.5rem, 4vw, 3rem);
  margin-bottom: var(--space-md);
  text-shadow: 0 0 30px rgba(255, 197, 129, 0.5);
}

.banner-text {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
}

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

.content-section {
  padding: var(--space-xl) var(--space-lg);
  max-width: 1400px;
  margin: 0 auto;
}

.section-title {
  text-align: center;
  margin-bottom: var(--space-xl);
  position: relative;
  display: inline-block;
  font-size: 1rem;
  width: 100%;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--color-accent-warm), transparent);
}

/* Grid Layouts */
.grid-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-lg);
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding: 0 var(--space-md);
}

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

.grid-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 197, 129, 0.1), transparent);
  transition: left var(--transition-slow);
}

.grid-item:hover {
  transform: translateY(-5px);
  border-color: var(--color-accent-warm);
  box-shadow: var(--shadow-glow-warm);
}

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

.grid-image {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-sm);
  opacity: 0.9;
  transition: opacity var(--transition-base);
}

.grid-item:hover .grid-image {
  opacity: 1;
}

.grid-title {
  font-size: 0.8rem;
  margin-bottom: var(--space-xs);
  color: var(--color-accent-warm);
}

.grid-text {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

/* Centered Content Sections */
.centered-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-lg) 0;
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
  display: inline-block;
  padding: var(--space-sm) var(--space-md);
  background: transparent;
  border: 2px solid var(--color-accent-warm);
  color: var(--color-accent-warm);
  font-family: var(--font-heading);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: all var(--transition-base);
  border-radius: var(--radius-sm);
  position: relative;
  overflow: hidden;
  margin-top: 10px;
}

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

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

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

.btn-primary {
  background: var(--color-accent-warm);
  color: var(--color-bg-primary);
}

.btn-primary::before {
  background: var(--color-accent-cool);
}

.btn-primary:hover {
  color: var(--color-bg-primary);
}

/* ============================================
   FORMS
   ============================================ */

.form-container {
  max-width: 600px;
  margin: 0 auto;
  padding: var(--space-lg);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

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

.form-label {
  display: block;
  margin-bottom: var(--space-xs);
  color: var(--color-text-primary);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-accent-warm);
  box-shadow: 0 0 0 3px rgba(255, 197, 129, 0.1);
}

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

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

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

.checkbox-label {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

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

.product-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  text-align: center;
  transition: all var(--transition-base);
}

.product-card:hover {
  transform: translateY(-8px);
  border-color: var(--color-accent-cool);
  box-shadow: var(--shadow-glow-cool);
}

.product-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
  opacity: 0.9;
  transition: opacity var(--transition-base);
}

.product-card:hover .product-image {
  opacity: 1;
}

.product-title {
  font-size: 0.6rem;
  margin-bottom: var(--space-xs);
  color: var(--color-accent-warm);
}

.product-description {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
  font-size: 0.95rem;
}

.product-price {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  color: var(--color-accent-cool);
  margin-bottom: var(--space-md);
}

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

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

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

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

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

.footer-container {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
}

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

.footer-title {
  font-size: 1rem;
  margin-bottom: var(--space-sm);
  color: var(--color-accent-warm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

.footer-nav-item {
  margin-bottom: var(--space-xs);
}

.footer-link {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  transition: color var(--transition-base);
}

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

.footer-text {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xs);
}

/* ============================================
   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); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }

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

@media (max-width: 1023px) {
  .main-nav {
    display: none;
  }
  
  .burger-toggle {
    display: flex;
  }
  
  .header-container {
    padding: 0;
  }
}

@media (max-width: 768px) {
  :root {
    --space-lg: 2rem;
    --space-xl: 3rem;
  }
  
  .site-header {
    padding: var(--space-sm) var(--space-md);
  }
  
  .content-section {
    padding: var(--space-lg) var(--space-md);
  }
  
  .hero-banner {
    min-height: 50vh;
  }
  
  .grid-container {
    gap: var(--space-md);
  }
  
  .footer-container {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
}

@media (max-width: 480px) {
  .banner-content {
    padding: var(--space-md) var(--space-sm);
  }
  
  .form-container {
    padding: var(--space-md);
  }
}

@media (max-width: 320px) {
  .site-header {
    padding: var(--space-xs) var(--space-sm);
  }
  
  .content-section {
    padding: var(--space-md) var(--space-sm);
  }
}

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

@keyframes glow-pulse {
  0%, 100% {
    box-shadow: 0 0 20px rgba(255, 197, 129, 0.3);
  }
  50% {
    box-shadow: 0 0 40px rgba(255, 197, 129, 0.6);
  }
}

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

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