/* ============================================
   LIQUID & GLASS - Futuristic Design System
   ============================================ */

:root {
  /* Colors - Liquid & Glass Theme */
  --color-bg-primary: #0A0A0B;
  --color-bg-secondary: #E2E8F0;
  --color-accent-cyan: #00F2FF;
  --color-accent-lavender: #B57EDC;
  --color-text-primary: #FFFFFF;
  --color-text-secondary: #B8BCC8;
  --color-glass-bg: rgba(255, 255, 255, 0.05);
  --color-glass-border: rgba(255, 255, 255, 0.1);
  --color-overlay: rgba(10, 10, 11, 0.7);
  
  /* Typography */
  --font-heading: 'Michroma', sans-serif;
  --font-body: 'Syne', sans-serif;
  --font-mono: 'Courier New', monospace;
  
  /* 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;
  --radius-xl: 24px;
  
  /* Shadows & Effects */
  --shadow-glow-cyan: 0 0 20px rgba(0, 242, 255, 0.3);
  --shadow-glow-lavender: 0 0 20px rgba(181, 126, 220, 0.3);
  --shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.3);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

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

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

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

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

h1 {
  font-size: clamp(2rem, 5vw, 4rem);
  letter-spacing: 0.05em;
}

h2 {
  font-size: clamp(1.5rem, 4vw, 3rem);
  letter-spacing: 0.03em;
}

h3 {
  font-size: clamp(1.25rem, 3vw, 2rem);
}

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

/* ============================================
   HEADER
   ============================================ */

.site-header {
  position: relative;
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  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;
}

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
}

.header-container > .brand-name {
  flex: 0 0 auto;
}

.header-container > nav {
  flex: 1 1 auto;
  display: flex;
  justify-content: center;
}

.header-container > .burger-toggle {
  flex: 0 0 auto;
  margin-left: auto;
  order: 999;
}

.brand-name {
  font-family: var(--font-heading);
  font-size: clamp(1rem, 1.2vw, 1.35rem);
  background: linear-gradient(135deg, var(--color-accent-cyan), var(--color-accent-lavender));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.nav-link {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  transition: var(--transition-normal);
  position: relative;
  white-space: nowrap;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--color-accent-cyan);
  transition: var(--transition-normal);
}

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

/* Burger Menu - Hidden by default, shown only on mobile (up to 1023px) */
.burger-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 30px;
  height: 24px;
  position: relative;
  z-index: 1001;
  cursor: pointer;
}

.burger-line {
  width: 100%;
  height: 2px;
  background: var(--color-text-primary);
  transition: var(--transition-normal);
  border-radius: 2px;
}

.burger-toggle.active .burger-line:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

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

.burger-toggle.active .burger-line:nth-child(3) {
  transform: rotate(-45deg) translate(8px, -8px);
}

.mobile-nav {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(10, 10, 11, 0.98);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  z-index: 999;
  padding: var(--space-xl) var(--space-lg);
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: var(--space-lg);
  transform: translateX(100%);
  transition: transform var(--transition-normal);
}

.mobile-nav.active {
  transform: translateX(0);
}

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

.mobile-nav-link {
  font-size: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: var(--space-sm);
  display: block;
  transition: var(--transition-normal);
}

.mobile-nav-link:hover {
  color: var(--color-accent-cyan);
  transform: translateX(10px);
}

/* ============================================
   BANNER / HERO SECTIONS
   ============================================ */

.hero-banner {
  position: relative;
  width: 100vw;
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-left: calc(-50vw + 50%);
  margin-right: calc(-50vw + 50%);
}

.banner-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
  opacity: 0.3;
}

.banner-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(10, 10, 11, 0.85), rgba(10, 10, 11, 0.75));
  z-index: 2;
}

.banner-content {
  position: relative;
  z-index: 3;
  text-align: center;
  padding: var(--space-lg);
  max-width: 900px;
  margin: 0 auto;
  background: rgba(10, 10, 11, 0.4);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: var(--radius-lg);
}

.banner-title {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: var(--space-md);
  text-shadow: 0 0 30px rgba(0, 242, 255, 0.5);
}

.banner-subtitle {
  font-size: clamp(1rem, 2vw, 1.5rem);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
}

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

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

.main-content > * {
  width: 100%;
}

.content-section {
  margin-bottom: var(--space-xl);
  padding: var(--space-lg) 0;
  text-align: center;
}

.content-section > * {
  text-align: left;
}

.content-section > .section-title {
  text-align: center;
}

.section-title {
  text-align: center;
  margin-bottom: var(--space-lg);
  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: linear-gradient(90deg, transparent, var(--color-accent-cyan), transparent);
}

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

.grid-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-lg);
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.grid-item {
  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-md);
  transition: var(--transition-normal);
  overflow: hidden;
}

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

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

.grid-title {
  font-size: 1.25rem;
  margin-bottom: var(--space-xs);
  color: var(--color-text-primary);
}

.grid-description {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* Two Column Grid */
.grid-two {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-md);
  align-items: center;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

/* Three Column Grid */
.grid-three {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-md);
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

/* ============================================
   CARDS & COMPONENTS
   ============================================ */

.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: var(--transition-normal);
}

.glass-card:hover {
  box-shadow: var(--shadow-glow-lavender);
  border-color: var(--color-accent-lavender);
}

.feature-item {
  text-align: center;
  padding: var(--space-md);
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: var(--space-sm);
  background: linear-gradient(135deg, var(--color-accent-cyan), var(--color-accent-lavender));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.form-container {
  max-width: 600px;
  margin: 0 auto;
  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);
}

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

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

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-sm);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition-normal);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-accent-cyan);
  box-shadow: 0 0 10px rgba(0, 242, 255, 0.2);
}

.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;
  width: 18px;
  height: 18px;
  cursor: pointer;
}

.checkbox-label {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.btn-primary {
  display: inline-block;
  padding: var(--space-sm) var(--space-lg);
  background: linear-gradient(135deg, var(--color-accent-cyan), var(--color-accent-lavender));
  border: none;
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-family: var(--font-heading);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: var(--transition-normal);
  box-shadow: var(--shadow-glow-cyan);
  margin-top: 10px;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(0, 242, 255, 0.5);
}

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

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

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

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

.product-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-md);
  text-align: center;
  transition: var(--transition-normal);
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-glow-lavender);
}

.product-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
}

.product-title {
  font-size: 1.5rem;
  margin-bottom: var(--space-xs);
}

.product-price {
  font-size: 1.25rem;
  color: var(--color-accent-cyan);
  font-family: var(--font-mono);
  margin-top: var(--space-sm);
}

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

.site-footer {
  background: var(--color-glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--color-glass-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: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-sm);
  color: var(--color-accent-cyan);
}

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

.footer-link {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  transition: var(--transition-fast);
}

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

.footer-info {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.copyright {
  text-align: center;
  padding-top: var(--space-md);
  margin-top: var(--space-md);
  border-top: 1px solid var(--color-glass-border);
  font-size: 0.8rem;
  color: var(--color-text-secondary);
}

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

.highlight {
  color: var(--color-accent-cyan);
}

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

@media (max-width: 1023px) {
  .nav-menu {
    display: none;
  }
  
  .burger-toggle {
    display: flex;
  }
  
  .mobile-nav {
    display: flex;
  }
  
  .mobile-nav.active {
    display: flex;
  }

  .grid-two {
    grid-template-columns: 1fr;
  }
  
  .grid-three {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
}

@media (min-width: 1024px) {
  .mobile-nav {
    display: none !important;
  }
  
  .nav-menu {
    display: flex;
  }
  
  .burger-toggle {
    display: none !important;
  }
}

@media (max-width: 768px) {
  :root {
    --space-lg: 2rem;
    --space-xl: 3rem;
  }
  
  .site-header {
    padding: var(--space-sm) var(--space-md);
  }
  
  .main-content {
    padding: var(--space-lg) var(--space-md);
  }
  
  .hero-banner {
    min-height: 60vh;
  }
  
  .grid-container {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
  
  .footer-container {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
}

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

@media (max-width: 320px) {
  html {
    font-size: 14px;
  }
  
  .main-content {
    padding: var(--space-md) var(--space-sm);
  }
}