/* Velocity Flux Design System - Bicycle Assembly & Customization */

:root {
  /* Color Palette */
  --color-carbon: #111111;
  --color-afterburner: #FF4500;
  --color-hydraulic: #0070FF;
  --color-aerodynamic: #F0F4F7;
  --color-dark: #1a1a1a;
  --color-light: #ffffff;
  --color-gray: #666666;
  
  /* Typography */
  --font-display: 'Orbitron', sans-serif;
  --font-body: 'Chivo', sans-serif;
  
  /* 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 8px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
  --shadow-glow: 0 0 20px rgba(255, 69, 0, 0.3);
  --shadow-blue: 0 0 20px rgba(0, 112, 255, 0.3);
}

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

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

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-aerodynamic);
  background-color: var(--color-carbon);
  overflow-x: hidden;
}

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

h1 {
  font-size: clamp(1.5rem, 5vw, 3.5rem);
}

h2 {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
}

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

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

a:hover {
  color: var(--color-afterburner);
}

/* Header */
.site-header {
  position: relative;
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  background: rgba(17, 17, 17, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(240, 244, 247, 0.1);
  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-display);
  font-size: clamp(0.8rem, 2vw, 1.45rem);
  font-weight: 700;
  color: var(--color-aerodynamic);
}

.nav-menu {
  display: flex;
  gap: 15px;
  list-style: none;
  align-items: center;
}

.nav-menu li a {
  color: var(--color-aerodynamic);
  font-weight: 500;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
}

.nav-menu li a:hover {
  color: var(--color-afterburner);
  background: rgba(255, 69, 0, 0.1);
}

/* Burger Menu */
.burger-toggle {
  display: none;
  background: transparent;
  border: 2px solid var(--color-hydraulic);
  color: var(--color-aerodynamic);
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  transition: all var(--transition-base);
  order: 999;
  z-index: 100001;
}

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

.burger-line {
  width: 24px;
  height: 2px;
  background: var(--color-aerodynamic);
  transition: all 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);
}

@media (max-width: 1023px) {
  .burger-toggle {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--color-dark);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-xxl) var(--space-lg);
    gap: var(--space-md);
    transition: right var(--transition-base);
    z-index: 999;
    border-left: 2px solid var(--color-hydraulic);
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.5);
  }
  
  .nav-menu.active {
    right: 0;
  }
  
  .nav-menu li {
    width: 100%;
  }
  
  .nav-menu li a {
    display: block;
    width: 100%;
    padding: var(--space-md);
    border-bottom: 1px solid rgba(240, 244, 247, 0.1);
  }
  
  .menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 998;
  }
  
  .menu-overlay.active {
    display: block;
  }
}

/* Hero Banners */
.hero-banner {
  width: 100vw;
  position: relative;
  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;
  background-repeat: no-repeat;
}

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

.hero-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(17, 17, 17, 0.85) 0%, rgba(0, 112, 255, 0.3) 100%);
  z-index: 1;
}

.hero-image {
  display: none;
}

.hero-title {
  color: var(--color-aerodynamic);
  margin-bottom: var(--space-lg);
  text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.8);
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--color-aerodynamic);
  max-width: 800px;
  margin: 0 auto;
  text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.8);
}

/* Sections */
.section {
  padding: var(--space-xxl) var(--space-lg);
  max-width: 1400px;
  margin: 0 auto;
}

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

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--color-afterburner), transparent);
}

/* Grid Layouts */
.grid-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.grid-item {
  background: rgba(26, 26, 26, 0.6);
  border: 1px solid rgba(240, 244, 247, 0.1);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  transition: all var(--transition-base);
  backdrop-filter: blur(10px);
}

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

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

.asymmetric-item {
  background: rgba(26, 26, 26, 0.5);
  padding: var(--space-lg);
  border-left: 3px solid var(--color-afterburner);
  border-radius: var(--radius-md);
  transform: skewX(-2deg);
  transition: all var(--transition-base);
}

.asymmetric-item:hover {
  transform: skewX(-2deg) translateX(10px);
  border-left-color: var(--color-hydraulic);
}

.asymmetric-item > * {
  transform: skewX(2deg);
}

/* Images */
.content-image {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  margin: var(--space-lg) 0;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-base);
}

.content-image:hover {
  transform: scale(1.02);
}

.image-wrapper {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  margin: var(--space-lg) 0;
}

.image-wrapper::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, transparent 0%, rgba(17, 17, 17, 0.3) 100%);
  pointer-events: none;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: var(--space-md) var(--space-xl);
  font-family: var(--font-display);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border: 2px solid;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-base);
  text-align: center;
  margin-top: 10px;
}

.btn-primary {
  background: transparent;
  border-color: var(--color-afterburner);
  color: var(--color-afterburner);
}

.btn-primary:hover {
  background: var(--color-afterburner);
  color: var(--color-carbon);
  box-shadow: var(--shadow-glow);
}

.btn-secondary {
  background: transparent;
  border-color: var(--color-hydraulic);
  color: var(--color-hydraulic);
}

.btn-secondary:hover {
  background: var(--color-hydraulic);
  color: var(--color-aerodynamic);
  box-shadow: var(--shadow-blue);
}

/* Contact Page Layout */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  max-width: 1200px;
  margin: 0 auto;
}

.contact-form-wrapper {
  width: 100%;
}

.contact-info-wrapper {
  width: 100%;
}

.section-title-left {
  text-align: left;
}

.form-container-full {
  max-width: 100%;
}

.btn-full-width {
  width: 100%;
}

.contact-info-item {
  margin-top: var(--space-xl);
}

@media (max-width: 768px) {
  .contact-layout {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  .section-title-left {
    text-align: center;
  }
}

/* Forms */
.form-container {
  max-width: 600px;
  margin: var(--space-xl) auto;
  background: rgba(26, 26, 26, 0.6);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(240, 244, 247, 0.1);
}

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

.form-label {
  display: block;
  margin-bottom: var(--space-sm);
  color: var(--color-aerodynamic);
  font-weight: 500;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-md);
  background: rgba(17, 17, 17, 0.8);
  border: 1px solid rgba(240, 244, 247, 0.2);
  border-radius: var(--radius-sm);
  color: var(--color-aerodynamic);
  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-hydraulic);
  box-shadow: 0 0 0 3px rgba(0, 112, 255, 0.2);
}

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

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin: var(--space-lg) 0;
}

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

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

/* Products */
.products-grid {
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  max-width: 1200px;
  margin: var(--space-xl) auto;
}

.product-card {
  background: rgba(26, 26, 26, 0.6);
  border: 1px solid rgba(240, 244, 247, 0.1);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  text-align: center;
  transition: all var(--transition-base);
}

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

.btn-product {
  margin-top: var(--space-md);
}

.product-title {
  color: var(--color-afterburner);
  margin-bottom: var(--space-md);
}

.product-price {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--color-hydraulic);
  margin: var(--space-md) 0;
}

/* Footer */
.site-footer {
  background: var(--color-dark);
  border-top: 1px solid rgba(240, 244, 247, 0.1);
  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(200px, 1fr));
  gap: var(--space-xl);
}

.footer-section h3 {
  color: var(--color-aerodynamic);
  margin-bottom: var(--space-md);
  font-size: 1.1rem;
}
.footer-section p {
  color: var(--color-aerodynamic);

}

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

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

.footer-menu a {
  color: white;
  transition: color var(--transition-fast);
}

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

.footer-text {
  color: var(--color-gray);
  font-size: 0.9rem;
}

.footer-copyright {
  text-align: center;
  padding: var(--space-lg) var(--space-md);
  border-top: 1px solid rgba(240, 244, 247, 0.1);
  margin-top: var(--space-lg);
}

.footer-copyright .footer-text {
  margin: 0;
  color: var(--color-aerodynamic);
}

/* Privacy Popup */
.privacy-popup {
  display: none;
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  max-width: 400px;
  background: var(--color-dark);
  border: 2px solid var(--color-hydraulic);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  z-index: 10000;
  box-shadow: var(--shadow-md);
}

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

.privacy-popup p {
  margin-bottom: var(--space-md);
  font-size: 0.9rem;
}

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

/* Maps */
.map-container {
  width: 100%;
  height: 400px;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin: var(--space-lg) 0;
  border: 1px solid rgba(240, 244, 247, 0.1);
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

/* Utility Classes */
.text-center {
  text-align: center;
}

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

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

.highlight {
  color: var(--color-afterburner);
}

.highlight-blue {
  color: var(--color-hydraulic);
}

/* Content Wrapper */
.content-wrapper {
  max-width: 700px;
  margin: var(--space-xxl) auto;
}

.content-wrapper-wide {
  max-width: 900px;
  margin: 0 auto;
}

/* Legal Pages */
.date-display {
  text-align: center;
  color: var(--color-gray);
  margin-bottom: var(--space-xl);
}

/* Thank You & 404 Pages */
.error-code {
  font-size: 6rem;
  color: var(--color-afterburner);
  margin-bottom: var(--space-md);
}

.content-text-large {
  font-size: 1.125rem;
  margin-bottom: var(--space-lg);
}

.content-text {
  margin-bottom: var(--space-xl);
}

.button-group {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* Responsive */
@media (max-width: 768px) {
  .section {
    padding: var(--space-lg) var(--space-md);
  }
  
  .hero-banner {
    min-height: 50vh;
  }
  
  .grid-container,
  .asymmetric-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
  
  .form-container {
    padding: var(--space-lg);
  }
  
  .privacy-popup {
    right: var(--space-md);
    bottom: var(--space-md);
    max-width: calc(100% - 2rem);
  }
}

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

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes slideInRight {
  from {
    transform: translateX(100%);
  }
  to {
    transform: translateX(0);
  }
}

.slide-in-right {
  animation: slideInRight 0.4s ease-out;
}

/* HUD Elements (Decorative) */
.hud-element {
  position: fixed;
  padding: var(--space-sm) var(--space-md);
  background: rgba(17, 17, 17, 0.8);
  border: 1px solid var(--color-hydraulic);
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-size: 0.75rem;
  color: var(--color-hydraulic);
  z-index: 100;
  pointer-events: none;
}

.hud-top-left {
  top: 80px;
  left: var(--space-lg);
}

.hud-top-right {
  top: 80px;
  right: var(--space-lg);
}

@media (max-width: 768px) {
  .hud-element {
    display: none;
  }
}