/* ============================================
   BLUEPRINT INTERFACE DESIGN SYSTEM
   Hobby Space Setup - Technical HUD Theme
   ============================================ */

:root {
  /* Base Colors - Blueprint Interface */
  --color-chassis: #1A1A1B;
  --color-accent: #FF6B00;
  --color-grid: #2D4F4F;
  --color-text-primary: #E8E8E8;
  --color-text-secondary: #B0B0B0;
  --color-surface: #252526;
  --color-border: #3A3A3B;
  
  /* Typography */
  --font-title: 'Michroma', sans-serif;
  --font-body: 'Roboto Mono', monospace;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-xxl: 4rem;
  
  /* Layout */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px rgba(255, 107, 0, 0.3);
}

/* ============================================
   RESET & BASE
   ============================================ */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-chassis);
  color: var(--color-text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

h1 {
  font-size: clamp(1.4rem, 5vw, 3.5rem);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

h2 {
  font-size: clamp(1.2rem, 4vw, 2.5rem);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

h3 {
  font-size: clamp(1rem, 3vw, 1.75rem);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

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

a:hover {
  color: #FF8C42;
}

/* ============================================
   GRID BACKGROUND PATTERN
   ============================================ */

.grid-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  opacity: 0.1;
  background-image: 
    linear-gradient(rgba(45, 79, 79, 0.3) 1px, transparent 1px),
    linear-gradient(90deg, rgba(45, 79, 79, 0.3) 1px, transparent 1px);
  background-size: 50px 50px;
  transform: perspective(1000px) rotateX(60deg) translateZ(-200px);
  transform-origin: center center;
  pointer-events: none;
}

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

.site-header {
  position: relative;
  background-color: rgba(26, 26, 27, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-md) var(--space-lg);
  z-index: 1000;
}

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

.brand-name {
  font-family: var(--font-title);
  font-size: clamp(0.8rem, 2vw, 1.35rem);
  color: var(--color-text-primary);
  font-weight: 400;
}

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

.nav-link {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  padding: var(--space-sm) var(--space-md);
  border: 1px solid transparent;
  transition: all var(--transition-fast);
  position: relative;
}

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

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

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

/* Burger Menu */
.burger-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--color-border);
  padding: var(--space-sm);
  cursor: pointer;
  color: var(--color-text-primary);
  font-size: 1.5rem;
  z-index: 1000011;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  order: 999;
}

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

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

.burger-icon::before,
.burger-icon::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 2px;
  background-color: currentColor;
  transition: all var(--transition-fast);
}

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

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

.burger-toggle.active .burger-icon {
  background-color: 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 {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: rgba(26, 26, 27, 0.98);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-lg);
  flex-direction: column;
  gap: var(--space-md);
  z-index: 999;
}

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

.mobile-nav .nav-link {
  width: 100%;
  text-align: left;
  padding: var(--space-md);
  border: 1px solid var(--color-border);
}

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

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

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

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

.banner-content {
  position: relative;
  z-index: 2;
  max-width: 1000px;
  padding: var(--space-xl) var(--space-lg);
  text-align: center;
  background-color: rgba(26, 26, 27, 0.9);
  backdrop-filter: blur(15px);
  border: 1px solid var(--color-border);
  margin: var(--space-lg);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

.banner-title {
  color: var(--color-accent);
  margin-bottom: var(--space-md);
  text-shadow: 0 0 20px rgba(255, 107, 0, 0.5);
}

.banner-text {
  font-size: clamp(0.875rem, 2vw, 1.125rem);
  color: var(--color-text-secondary);
  max-width: 800px;
  margin: 0 auto;
}

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

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-xl) var(--space-lg);
}

.content-section {
  margin-bottom: var(--space-xxl);
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.content-section:first-of-type {
  border-top: none;
}

.content-section > p {
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--space-lg);
}

.section-title {
  color: var(--color-accent);
  margin-bottom: var(--space-lg);
  position: relative;
  text-align: center;
  padding: 0;
  border: none;
}

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

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

.grid-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-lg);
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}

.grid-item {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--space-lg);
  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, 107, 0, 0.1), transparent);
  transition: left var(--transition-slow);
}

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

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

.grid-item-image {
  width: 100%;
  height: 180px;
  object-fit: cover;
  margin-bottom: var(--space-md);
  border: 1px solid var(--color-border);
}

.grid-item-title {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
  color: var(--color-accent);
}

.grid-item-text {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ============================================
   SPATIAL CONFIGURATOR
   ============================================ */

.configurator-container {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--space-xl);
  margin-top: var(--space-lg);
  position: relative;
}

.configurator-canvas {
  position: relative;
  width: 100%;
  min-height: 400px;
  background-color: var(--color-chassis);
  border: 1px solid var(--color-border);
  background-image: 
    linear-gradient(rgba(45, 79, 79, 0.2) 1px, transparent 1px),
    linear-gradient(90deg, rgba(45, 79, 79, 0.2) 1px, transparent 1px);
  background-size: 40px 40px;
  margin: var(--space-lg) 0;
}

.configurator-hud {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md);
  background-color: rgba(26, 26, 27, 0.8);
  border: 1px solid var(--color-border);
  margin-bottom: var(--space-md);
  flex-wrap: wrap;
  gap: var(--space-md);
}

.hud-metric {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

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

.hud-value {
  font-size: 1.5rem;
  font-family: var(--font-title);
  color: var(--color-accent);
}

.draggable-item {
  position: absolute;
  width: 80px;
  height: 80px;
  background-color: var(--color-accent);
  border: 2px solid var(--color-text-primary);
  cursor: move;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--color-chassis);
  transition: all var(--transition-fast);
  user-select: none;
}

.draggable-item:hover {
  box-shadow: var(--shadow-glow);
  transform: scale(1.1);
}

.draggable-item.dragging {
  opacity: 0.7;
  z-index: 1000;
}

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

.contact-form {
  max-width: 600px;
  margin: var(--space-xl) auto;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--space-xl);
}

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

.form-label {
  display: block;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-md);
  background-color: var(--color-chassis);
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: 0.875rem;
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px rgba(255, 107, 0, 0.2);
}

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

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

.form-checkbox {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  cursor: pointer;
  accent-color: var(--color-accent);
}

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

.form-submit {
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  background-color: var(--color-accent);
  border: 1px solid var(--color-accent);
  color: var(--color-chassis);
  font-family: var(--font-title);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-top: var(--space-md);
}

.form-submit:hover {
  background-color: #FF8C42;
  color: black;
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.form-submit:active {
  transform: translateY(0);
}

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

.product-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--space-lg);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

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

.product-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
  margin-bottom: var(--space-md);
  border: 1px solid var(--color-border);
}

.product-title {
  font-size: 1.3rem;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.product-description {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
  flex-grow: 1;
}

.product-price {
  font-size: 1.25rem;
  font-family: var(--font-title);
  color: var(--color-text-primary);
  margin-top: auto;
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}

/* ============================================
   MAP CONTAINER
   ============================================ */

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

.map-container iframe {
  width: 100%;
  height: 100%;
  border: none;
  filter: grayscale(0.3) contrast(1.1);
}

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

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

.footer-container {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-xl);
}

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

.footer-title {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.footer-link {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  padding: var(--space-xs) 0;
  border-bottom: 1px solid transparent;
  transition: all var(--transition-fast);
}

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

.footer-text {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.footer-copyright {
  grid-column: 1 / -1;
  text-align: center;
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

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

.privacy-popup {
  display: none;
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  max-width: 400px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-accent);
  padding: var(--space-lg);
  z-index: 10000;
  box-shadow: var(--shadow-lg);
}

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

.popup-content {
  margin-bottom: var(--space-md);
}

.popup-title {
  font-size: 1rem;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.popup-text {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.popup-buttons {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.popup-button {
  flex: 1;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border);
  background-color: var(--color-chassis);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: 0.875rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.popup-button.accept {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-chassis);
}

.popup-button:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.popup-button.accept:hover {
  background-color: #FF8C42;
}

/* ============================================
   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); }
.mt-xl { margin-top: var(--space-xl); }

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

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

@media (max-width: 768px) {
  :root {
    --space-xl: 2rem;
    --space-xxl: 3rem;
  }
  
  .hero-banner {
    min-height: 50vh;
  }
  
  .banner-content {
    padding: var(--space-lg) var(--space-md);
    margin: var(--space-md);
  }
  
  .grid-container {
    grid-template-columns: 1fr;
  }
  
  .configurator-hud {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .footer-container {
    grid-template-columns: 1fr;
  }
  
  .privacy-popup {
    right: var(--space-md);
    left: var(--space-md);
    max-width: none;
  }
}

@media (max-width: 480px) {
  .site-header {
    padding: var(--space-md);
  }
  
  main {
    padding: var(--space-lg) var(--space-md);
  }
  
  .content-section {
    padding: var(--space-lg) 0;
  }
  
  .contact-form {
    padding: var(--space-lg);
  }
}

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

@keyframes scan-line {
  0% {
    transform: translateY(-100%);
    opacity: 0;
  }
  50% {
    opacity: 1;
  }
  100% {
    transform: translateY(100vh);
    opacity: 0;
  }
}

.scan-overlay {
  position: relative;
  overflow: hidden;
}

.scan-overlay::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  animation: scan-line 3s ease-in-out infinite;
  pointer-events: none;
}

/* Technical Labels on Hover */
.tech-label {
  position: absolute;
  background-color: rgba(26, 26, 27, 0.95);
  border: 1px solid var(--color-accent);
  padding: var(--space-xs) var(--space-sm);
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--color-accent);
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-fast);
  z-index: 10;
}

.grid-item:hover .tech-label {
  opacity: 1;
}