/* ============================================
   CYBER-LUXE DESIGN SYSTEM
   Digital Art Illustration Portfolio
   ============================================ */

/* CSS Variables */
:root {
  /* Colors - Cyber-Luxe Palette */
  --color-base: #121214;
  --color-accent-cyan: #00F3FF;
  --color-text-primary: #F8FAFC;
  --color-accent-violet: #6366F1;
  --color-surface: #1A1B1E;
  --color-border: #2A2B2F;
  --color-overlay: rgba(18, 18, 20, 0.85);
  
  /* Typography */
  --font-primary: 'Plus Jakarta Sans', sans-serif;
  --font-mono: 'Space Mono', 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;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 243, 255, 0.1);
  --shadow-md: 0 4px 16px rgba(0, 243, 255, 0.15);
  --shadow-lg: 0 8px 32px rgba(0, 243, 255, 0.2);
  
  /* Layout */
  --container-max: 1200px;
  --header-height: 80px;
}

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

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

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

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
  margin-bottom: var(--space-sm);
  font-size: clamp(1rem, 2vw, 1.125rem);
}

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

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

/* Container */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* Header */
.header {
  position: relative;
  width: 100%;
  padding: var(--space-md) var(--space-md);
  background-color: var(--color-overlay);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
}

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

.brand-name {
  font-size: clamp(1rem, 2vw, 1.35rem);
  font-weight: 700;
  color: var(--color-text-primary);
}

/* Navigation Menu - Mobile First */
.nav-menu {
  position: fixed;
  top: 0;
  right: 0;
  width: 300px;
  max-width: 90vw;
  height: 100vh;
  background-color: var(--color-surface);
  display: flex;
  flex-direction: column;
  gap: 0;
  list-style: none;
  padding: var(--space-xl) var(--space-md);
  transform: translateX(100%);
  transition: transform var(--transition-base);
  border-left: 1px solid var(--color-border);
  z-index: 1000;
  overflow-y: auto;
  box-shadow: -4px 0 16px rgba(0, 0, 0, 0.3);
}

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

.nav-menu li {
  width: 100%;
  margin-bottom: var(--space-xs);
}

.nav-menu li a {
  display: block;
  font-size: clamp(0.875rem, 2vw, 1rem);
  padding: var(--space-sm) var(--space-md);
  width: 100%;
  text-align: left;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast);
}

.nav-menu li a:hover {
  background-color: rgba(99, 102, 241, 0.15);
}

/* Burger Menu */
.burger-toggle {
  display: block;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-xs);
  color: var(--color-text-primary);
  font-size: 1.5rem;
  z-index: 10001;
  position: relative;
}

.burger-icon {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text-primary);
  position: relative;
  transition: background-color var(--transition-fast);
}

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

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

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

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

.burger-toggle.active .burger-icon::before {
  transform: rotate(45deg) translate(5px, 5px);
}

.burger-toggle.active .burger-icon::after {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Desktop Navigation */
@media (min-width: 1024px) {
  .nav-menu {
    position: static;
    width: auto;
    height: auto;
    background-color: transparent;
    flex-direction: row;
    gap: var(--space-md);
    padding: 0;
    transform: translateX(0);
    border: none;
    box-shadow: none;
    overflow: visible;
    align-items: center;
  }
  
  .nav-menu.active {
    transform: translateX(0);
  }
  
  .nav-menu li {
    width: auto;
    margin-bottom: 0;
  }
  
  .nav-menu li a {
    padding: var(--space-xs) var(--space-sm);
    width: auto;
    text-align: center;
  }
  
  .nav-menu li a:hover {
    background-color: rgba(99, 102, 241, 0.1);
  }
  
  .burger-toggle {
    display: none;
  }
}

/* Mobile Navigation Overlay */
.nav-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 999;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.nav-overlay.active {
  display: block;
  opacity: 1;
}

@media (min-width: 1024px) {
  .nav-overlay {
    display: none !important;
  }
}

/* Hero Banner */
.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%);
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  background-attachment: scroll;
}

.hero-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: inherit;
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  z-index: 0;
  opacity: 0.3;
}

.hero-banner::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(18, 18, 20, 0.9) 0%, rgba(26, 27, 30, 0.7) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: var(--space-xl) var(--space-md);
  max-width: 800px;
  margin: 0 auto;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  margin-bottom: var(--space-md);
  background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-accent-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1.125rem, 3vw, 1.5rem);
  color: rgba(248, 250, 252, 0.8);
  margin-bottom: var(--space-lg);
}

/* Section Styles */
.section {
  padding: var(--space-xl) 0;
  position: relative;
  width: 100%;
}

.section-title {
  text-align: center;
  margin-bottom: var(--space-lg);
  font-size: clamp(2rem, 5vw, 3rem);
  max-width: 100%;
}

.section-content {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-md);
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* 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: 100%;
  justify-items: center;
}

@media (min-width: 768px) {
  .grid-container {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
}

@media (min-width: 1024px) {
  .grid-container {
    grid-template-columns: repeat(3, 1fr);
    max-width: var(--container-max);
    margin-left: auto;
    margin-right: auto;
  }
}

.grid-item {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.grid-item-image {
  width: 100%;
  max-width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-sm);
}

@media (min-width: 768px) {
  .grid-item-image {
    height: 200px;
  }
}

.grid-item-title {
  font-size: clamp(1.125rem, 2.5vw, 1.25rem);
  margin-bottom: var(--space-xs);
  color: var(--color-accent-cyan);
}

.grid-item-text {
  font-size: clamp(0.875rem, 2vw, 1rem);
  color: rgba(248, 250, 252, 0.7);
  line-height: 1.6;
}

/* Two Column Layout */
.two-column {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  align-items: center;
  max-width: 100%;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .two-column {
    grid-template-columns: repeat(2, 1fr);
    max-width: var(--container-max);
  }
}

.two-column-image {
  width: 100%;
  max-width: 100%;
  height: auto;
  max-height: 400px;
  object-fit: cover;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: var(--space-sm) var(--space-md);
  background-color: var(--color-accent-violet);
  color: var(--color-text-primary);
  border: none;
  border-radius: var(--radius-md);
  font-size: clamp(0.875rem, 2vw, 1rem);
  font-family: var(--font-primary);
  cursor: pointer;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
  text-align: center;
  margin-top: 10px;
}

.btn:hover {
  background-color: var(--color-accent-cyan);
  color: black;
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: transparent;
  border: 1px solid var(--color-accent-violet);
  color: var(--color-accent-violet);
}

.btn-secondary:hover {
  background-color: var(--color-accent-violet);
  color: var(--color-text-primary);
}

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

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

.form-label {
  display: block;
  margin-bottom: var(--space-xs);
  font-size: clamp(0.875rem, 2vw, 1rem);
  color: var(--color-text-primary);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-sm);
  background-color: var(--color-base);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
  font-family: var(--font-primary);
  font-size: clamp(0.875rem, 2vw, 1rem);
  transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-accent-cyan);
}

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

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

.form-checkbox input[type="checkbox"] {
  margin-top: 4px;
  cursor: pointer;
}

.form-checkbox label {
  font-size: clamp(0.875rem, 2vw, 0.9375rem);
  color: rgba(248, 250, 252, 0.8);
  cursor: pointer;
}

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

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

/* Products */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

.product-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  text-align: center;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

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

.product-title {
  font-size: clamp(1.25rem, 3vw, 1.5rem);
  margin-bottom: var(--space-sm);
  color: var(--color-accent-cyan);
}

.product-description {
  font-size: clamp(0.875rem, 2vw, 1rem);
  color: rgba(248, 250, 252, 0.7);
  margin-bottom: var(--space-md);
  line-height: 1.6;
}

.product-price {
  font-size: clamp(1.125rem, 2.5vw, 1.25rem);
  font-family: var(--font-mono);
  color: var(--color-accent-violet);
  font-weight: 700;
}

/* Footer */
.footer {
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--space-lg) var(--space-md);
  margin-top: var(--space-xl);
}

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

.footer-section h4 {
  font-size: clamp(1rem, 2.5vw, 1.125rem);
  margin-bottom: var(--space-sm);
  color: var(--color-accent-cyan);
}

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

.footer-menu li {
  margin-bottom: var(--space-xs);
}

.footer-menu a {
  font-size: clamp(0.875rem, 2vw, 0.9375rem);
  color: rgba(248, 250, 252, 0.7);
}

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

.footer-info {
  font-size: clamp(0.875rem, 2vw, 0.9375rem);
  color: rgba(248, 250, 252, 0.6);
  line-height: 1.8;
}

.footer-copyright {
  text-align: center;
  padding-top: var(--space-md);
  margin-top: var(--space-md);
  border-top: 1px solid var(--color-border);
  font-size: clamp(0.75rem, 2vw, 0.875rem);
  color: rgba(248, 250, 252, 0.5);
}

/* Thank You Page */
.thank-you-container {
  text-align: center;
  padding: var(--space-xl) var(--space-md);
  max-width: 600px;
  margin: 0 auto;
}

.thank-you-title {
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: var(--space-md);
  color: var(--color-accent-cyan);
}

.thank-you-message {
  font-size: clamp(1rem, 2.5vw, 1.125rem);
  color: rgba(248, 250, 252, 0.8);
  line-height: 1.8;
  margin-bottom: var(--space-lg);
}

/* 404 Page */
.error-container {
  text-align: center;
  padding: var(--space-xl) var(--space-md);
  max-width: 600px;
  margin: 0 auto;
}

.error-code {
  font-size: clamp(4rem, 10vw, 8rem);
  font-weight: 700;
  color: var(--color-accent-cyan);
  margin-bottom: var(--space-md);
  font-family: var(--font-mono);
}

.error-message {
  font-size: clamp(1.25rem, 3vw, 1.5rem);
  margin-bottom: var(--space-md);
}

.error-description {
  font-size: clamp(1rem, 2.5vw, 1.125rem);
  color: rgba(248, 250, 252, 0.7);
  margin-bottom: var(--space-lg);
}

/* Legal Pages */
.legal-container {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-xl) var(--space-md);
}

.legal-title {
  font-size: clamp(2rem, 5vw, 2.5rem);
  margin-bottom: var(--space-md);
}

.legal-content {
  font-size: clamp(1rem, 2.5vw, 1.125rem);
  line-height: 1.8;
  color: rgba(248, 250, 252, 0.8);
}

.legal-content h3 {
  font-size: clamp(1.25rem, 3vw, 1.5rem);
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
  color: var(--color-accent-cyan);
}

.legal-content ul,
.legal-content ol {
  margin-left: var(--space-md);
  margin-bottom: var(--space-md);
}

.legal-content li {
  margin-bottom: var(--space-xs);
}

.date {
  font-family: var(--font-mono);
  font-size: clamp(0.875rem, 2vw, 1rem);
  color: rgba(248, 250, 252, 0.6);
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}

/* Responsive Adjustments */
@media (max-width: 768px) {
  :root {
    --space-lg: 3rem;
    --space-xl: 4rem;
  }
  
  .hero-banner {
    min-height: 50vh;
  }
  
  .grid-container {
    grid-template-columns: 1fr;
  }
  
  .two-column {
    grid-template-columns: 1fr;
  }
  
  .product-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  :root {
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
  }
  
  .header {
    padding: var(--space-sm) var(--space-md);
  }
  
  .section {
    padding: var(--space-lg) 0;
  }
}

/* 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);
}