/* CSS Variables - High-Velocity Industrialism Theme */
:root {
  /* Color Palette */
  --color-cold-steel: #334155;
  --color-forge-glow: #FF4D00;
  --color-resin-white: #F1F5F9;
  --color-damascus-charcoal: #1E293B;
  --color-text-primary: #F1F5F9;
  --color-text-secondary: #CBD5E1;
  --color-overlay-dark: rgba(30, 41, 59, 0.85);
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-xxl: 4rem;
  
  /* Typography */
  --font-heading: 'Chakra Petch', sans-serif;
  --font-body: 'Roboto Mono', monospace;
  --font-size-base: 1rem;
  --font-size-sm: 0.875rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;
  --font-size-3xl: 3rem;
  
  /* Borders & Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --border-thin: 1px solid rgba(241, 245, 249, 0.1);
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 20px rgba(255, 77, 0, 0.3);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Layout */
  --max-width-content: 1200px;
  --header-height: 80px;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--space-md);
  color: var(--color-text-primary);
}

h1 {
  font-size: clamp(2rem, 5vw, var(--font-size-3xl));
}

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

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

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

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

a:hover {
  color: var(--color-text-primary);
}

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

/* Header */
.site-header {
  position: relative;
  width: 100%;
  background-color: var(--color-damascus-charcoal);
  border-bottom: var(--border-thin);
  z-index: 1000;
}

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

.header-container .brand-name {
  order: 1;
}

.header-container nav {
  order: 2;
}

.brand-name {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-text-primary);
}

/* Navigation */
.main-nav {
  display: flex;
  gap: 15px;
  list-style: none;
}

.main-nav a {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: color var(--transition-fast);
  position: relative;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-forge-glow);
  transition: width var(--transition-base);
}

.main-nav a:hover::after {
  width: 100%;
}

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

/* Burger Menu Button - Always visible in header */
.burger-toggle {
  display: block;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  color: var(--color-text-primary);
  font-size: var(--font-size-xl);
  z-index: 1000001;
  order: 3;
}

.burger-icon {
  width: 28px;
  height: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-around;
}

.burger-icon span {
  width: 100%;
  height: 3px;
  background-color: var(--color-text-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
}

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

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

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

/* Desktop Navigation */
@media (min-width: 1024px) {
  .main-nav {
    display: flex;
  }
  
  .burger-toggle {
    display: none;
  }
}

/* Mobile Navigation - Menu opens separately from header */
@media (max-width: 1023px) {
  .main-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    max-width: 80vw;
    height: 100vh;
    background-color: var(--color-damascus-charcoal);
    flex-direction: column;
    padding: var(--space-xxl) var(--space-lg);
    gap: var(--space-md);
    border-left: var(--border-thin);
    transition: right var(--transition-base);
    z-index: 1000;
    overflow-y: auto;
    box-shadow: -4px 0 12px rgba(0, 0, 0, 0.3);
  }
  
  .main-nav.active {
    right: 0;
  }
  
  .main-nav a {
    padding: var(--space-md);
    border-bottom: var(--border-thin);
    font-size: var(--font-size-base);
  }
  
  .main-nav a::after {
    display: none;
  }
}

/* Main Content */
main {
  min-height: calc(100vh - 200px);
}

/* Hero Banner with Background Image */
.hero-banner {
  position: relative;
  width: 100vw;
  min-height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-left: calc(-50vw + 50%);
  margin-right: calc(-50vw + 50%);
}

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

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.85) 0%, rgba(51, 65, 85, 0.75) 100%);
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: var(--max-width-content);
  width: 100%;
  padding: var(--space-xxl) var(--space-lg);
  text-align: center;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  margin-bottom: var(--space-lg);
  text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  color: var(--color-text-secondary);
  max-width: 800px;
  margin: 0 auto;
  text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.5);
}

/* Sections - Centered */
.section-container {
  max-width: 1850px;
  margin: 0 auto;
  padding: var(--space-xxl) var(--space-lg);
  text-align: center;
}

.section-container .grid-two,
.section-container .grid-three,
.section-container .grid-four {
  text-align: left;
}

.section-title {
  text-align: center;
  margin-bottom: var(--space-xl);
  color: var(--color-text-primary);
  position: relative;
  padding-bottom: var(--space-md);
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--color-forge-glow), transparent);
}

/* Grid Layouts - Centered with proper spacing */
.grid-two {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
  margin: 0 auto var(--space-xl);
  max-width: 100%;
}

.grid-three {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin: 0 auto var(--space-xl);
  max-width: 100%;
}

.grid-four {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  margin: 0 auto var(--space-xl);
  max-width: 100%;
}

@media (max-width: 1023px) {
  .grid-two {
    grid-template-columns: 1fr;
  }
  
  .grid-three {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .grid-four {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .grid-three,
  .grid-four {
    grid-template-columns: 1fr;
  }
}

/* Cards */
.card {
  background-color: var(--color-damascus-charcoal);
  border: var(--border-thin);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
  border-color: var(--color-forge-glow);
}

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

/* Smaller images for grid layouts */
.grid-three .card-image,
.grid-four .card-image {
  height: 180px;
}

.card-title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-sm);
  color: var(--color-text-primary);
}

.card-text {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  line-height: 1.6;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: var(--space-md) var(--space-xl);
  background-color: var(--color-forge-glow);
  color: var(--color-text-primary);
  font-family: var(--font-heading);
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-base);
  text-align: center;
  margin-top: 10px;
}

.btn:hover {
  background-color: var(--color-text-primary);
  color: var(--color-forge-glow);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: transparent;
  border: 2px solid var(--color-forge-glow);
  color: var(--color-forge-glow);
}

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

/* Forms */
.form-container {
  max-width: 600px;
  margin: 0 auto;
  background-color: var(--color-damascus-charcoal);
  padding: var(--space-xl);
  border-radius: var(--radius-md);
  border: var(--border-thin);
}

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

.form-label {
  display: block;
  margin-bottom: var(--space-sm);
  color: var(--color-text-primary);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-md);
  background-color: var(--color-cold-steel);
  border: var(--border-thin);
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  transition: border-color var(--transition-fast);
}

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

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

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

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

.checkbox-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.5;
  cursor: pointer;
}

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

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  border: var(--border-thin);
}

.gallery-image {
  width: 100%;
  height: 300px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.gallery-item:hover .gallery-image {
  transform: scale(1.1);
}

.gallery-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(30, 41, 59, 0.95), transparent);
  padding: var(--space-md);
  color: var(--color-text-primary);
  font-size: var(--font-size-sm);
}

/* Before/After Comparison */
.comparison-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.comparison-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: var(--border-thin);
}

.comparison-label {
  position: absolute;
  top: var(--space-md);
  left: var(--space-md);
  background-color: var(--color-damascus-charcoal);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 1px;
  z-index: 2;
}

@media (max-width: 640px) {
  .comparison-container {
    grid-template-columns: 1fr;
  }
}

/* Products */
.product-card {
  background-color: var(--color-damascus-charcoal);
  border: var(--border-thin);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  text-align: center;
}

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

.product-title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-sm);
}

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

.product-price {
  font-family: var(--font-heading);
  font-size: var(--font-size-2xl);
  color: var(--color-forge-glow);
  font-weight: 700;
}

/* Footer */
.site-footer {
  background-color: var(--color-damascus-charcoal);
  border-top: var(--border-thin);
  padding: var(--space-xl) var(--space-lg);
  margin-top: var(--space-xxl);
}

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

.footer-section h4 {
  font-size: var(--font-size-base);
  margin-bottom: var(--space-md);
  color: var(--color-text-primary);
}

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

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

.footer-nav a {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}

.footer-nav a:hover {
  color: var(--color-forge-glow);
}

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

.footer-bottom {
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: var(--border-thin);
  text-align: center;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

/* Privacy Popup */
.privacy-popup {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8);
  z-index: 10000;
  align-items: center;
  justify-content: center;
}

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

.privacy-content {
  background-color: var(--color-damascus-charcoal);
  border: var(--border-thin);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  max-width: 600px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  position: relative;
}

.privacy-close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  background: none;
  border: none;
  color: var(--color-text-primary);
  font-size: var(--font-size-2xl);
  cursor: pointer;
  line-height: 1;
  padding: var(--space-sm);
}

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

.privacy-text {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  line-height: 1.8;
}

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

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

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

.hidden {
  display: none;
}

/* Maps Container */
.maps-container {
  width: 100%;
  height: 400px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: var(--border-thin);
  margin-bottom: var(--space-xl);
}

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

/* Thank You Page */
.thank-you-container {
  text-align: center;
  padding: var(--space-xxl) var(--space-lg);
  max-width: 800px;
  margin: 0 auto;
}

.thank-you-icon {
  font-size: 4rem;
  margin-bottom: var(--space-lg);
  color: var(--color-forge-glow);
}

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

.error-code {
  font-size: 8rem;
  font-family: var(--font-heading);
  color: var(--color-forge-glow);
  line-height: 1;
  margin-bottom: var(--space-lg);
}

/* Responsive Typography */
@media (max-width: 768px) {
  :root {
    font-size: 14px;
  }
  
  .section-container {
    padding: var(--space-lg) var(--space-md);
  }
  
  .hero-banner {
    min-height: 400px;
  }
}

@media (max-width: 480px) {
  :root {
    font-size: 12px;
  }
  
  .header-container {
    padding: var(--space-md);
  }
  
  .brand-name {
    font-size: var(--font-size-lg);
  }
}

/* Special Features */
.grip-selector {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.grip-option {
  padding: var(--space-lg);
  background-color: var(--color-damascus-charcoal);
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  text-align: center;
}

.grip-option:hover {
  border-color: var(--color-forge-glow);
  transform: translateY(-2px);
}

.grip-option.active {
  border-color: var(--color-forge-glow);
  background-color: rgba(255, 77, 0, 0.1);
}

.recommendation-box {
  background-color: var(--color-damascus-charcoal);
  border: 2px solid var(--color-forge-glow);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  margin-top: var(--space-lg);
  text-align: center;
}

.material-specs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
}

.spec-item {
  padding: var(--space-md);
  background-color: var(--color-damascus-charcoal);
  border-left: 3px solid var(--color-forge-glow);
  border-radius: var(--radius-sm);
}

.spec-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--space-xs);
}

.spec-value {
  font-size: var(--font-size-xl);
  font-family: var(--font-heading);
  color: var(--color-forge-glow);
}

/* Utility Classes for Removing Inline Styles */
.section-dark {
  background-color: var(--color-damascus-charcoal);
  padding: var(--space-xxl) var(--space-lg);
  margin: var(--space-xl) 0;
}

.text-secondary {
  color: var(--color-text-secondary);
}

.text-secondary-sm {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

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

.card-centered {
  max-width: 900px;
  margin: 0 auto;
}

.card-centered-text {
  max-width: 700px;
  margin: 0 auto var(--space-xl);
}

.btn-full {
  width: 100%;
}

.contact-details-title {
  margin-top: var(--space-lg);
}