/* Technical Industrialism Design - Bicycle Maintenance Service */
/* Dark Mode, High-Contrast, Technical Lines */

:root {
  /* Color Palette */
  --color-carbon: #1A1A1B;
  --color-orange: #FF5F1F;
  --color-grey: #8E8E93;
  --color-blue: #007AFF;
  --color-white: #FFFFFF;
  --color-dark: #0F0F10;
  --color-light-grey: #2C2C2E;
  
  /* Typography */
  --font-header: 'Roboto Condensed', sans-serif;
  --font-body: 'Inter', 'Helvetica Neue', sans-serif;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-xxl: 4rem;
  
  /* Borders & Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --border-thin: 1px solid var(--color-light-grey);
  --border-thick: 2px solid var(--color-orange);
  
  /* 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, 95, 31, 0.3);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-md: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* 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);
  background-color: var(--color-carbon);
  color: var(--color-white);
  line-height: 1.6;
  overflow-x: hidden;
}

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

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

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

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

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

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

/* Header */
.site-header {
  background-color: var(--color-dark);
  border-bottom: var(--border-thin);
  padding: var(--space-md) var(--space-lg);
  position: relative;
  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-header);
  font-size: clamp(1rem, 2vw, 1.35rem);
  font-weight: 700;
  color: var(--color-white);
}

.main-nav {
  display: none;
  gap: 15px;
  align-items: center;
  flex-wrap: wrap;
}

.nav-link {
  color: var(--color-grey);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--space-sm) var(--space-md);
  border: var(--border-thin);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

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

/* Burger Menu */
.burger-toggle {
  display: none;
  background: transparent;
  border: var(--border-thin);
  color: var(--color-white);
  padding: var(--space-sm) var(--space-md);
  cursor: pointer;
  font-size: 1.5rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  margin-left: auto;
  z-index: 100001;
}

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

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

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

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

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

.burger-toggle.active .burger-icon {
  background: 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: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(15, 15, 16, 0.98);
  backdrop-filter: blur(10px);
  padding: var(--space-xxl) var(--space-lg);
  flex-direction: column;
  gap: var(--space-lg);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  overflow-y: auto;
}

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

.mobile-nav .nav-link {
  width: auto;
  text-align: center;
  font-size: 1.2rem;
  padding: var(--space-md) var(--space-xl);
  min-width: 200px;
}

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

/* Hero Banner - Full Width */
.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%);
}

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

.banner-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(26, 26, 27, 0.85) 0%, rgba(15, 15, 16, 0.9) 100%);
  z-index: 2;
}

.banner-content {
  position: relative;
  z-index: 3;
  text-align: center;
  padding: var(--space-xl);
  max-width: 900px;
  margin: 0 auto;
}

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

.banner-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--color-grey);
  margin-bottom: var(--space-xl);
}

/* Section Styles */
.content-section {
  padding: var(--space-xxl) var(--space-lg);
  max-width: 1400px;
  margin: 0 auto;
  text-align: center;
}

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

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

.section-title {
  text-align: center;
  color: var(--color-white);
  margin-bottom: var(--space-xl);
  position: relative;
  padding-bottom: var(--space-md);
  width: 100%;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background: var(--color-orange);
}

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

.grid-item {
  background-color: var(--color-dark);
  border: var(--border-thin);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  transition: all var(--transition-md);
  display: flex;
  flex-direction: column;
  text-align: center;
}

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

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

.grid-title {
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}

.grid-text {
  color: var(--color-grey);
  flex-grow: 1;
}

/* Two Column Layout */
.two-column {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
  align-items: center;
  margin-top: var(--space-xl);
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.column-image {
  width: 100%;
  height: 300px;
  object-fit: cover;
  border-radius: var(--radius-md);
  border: var(--border-thin);
}

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

/* Buttons */
.btn {
  display: inline-block;
  padding: var(--space-md) var(--space-xl);
  background-color: var(--color-orange);
  color: var(--color-white);
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-header);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
  border: 2px solid var(--color-orange);
  margin-top: 10px;
}

.btn:hover {
  background-color: transparent;
  color: var(--color-orange);
  box-shadow: var(--shadow-glow);
}

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

.btn-secondary:hover {
  background-color: var(--color-blue);
  color: var(--color-white);
}

/* Contact Form */
.contact-form {
  max-width: 600px;
  margin: var(--space-xl) auto;
  background-color: var(--color-dark);
  padding: var(--space-xl);
  border: var(--border-thin);
  border-radius: var(--radius-md);
}

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

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

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-md);
  background-color: var(--color-carbon);
  border: var(--border-thin);
  border-radius: var(--radius-sm);
  color: var(--color-white);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-orange);
  box-shadow: 0 0 0 3px rgba(255, 95, 31, 0.1);
}

.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 {
  color: var(--color-grey);
  font-size: 0.9rem;
  cursor: pointer;
}

/* Products Grid */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-xl);
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.product-card {
  background-color: var(--color-dark);
  border: var(--border-thin);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  transition: all var(--transition-md);
  display: flex;
  flex-direction: column;
}

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

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

.product-title {
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}

.product-description {
  color: var(--color-grey);
  margin-bottom: var(--space-md);
  flex-grow: 1;
}

.product-price {
  color: var(--color-orange);
  font-family: var(--font-header);
  font-size: 1.5rem;
  font-weight: 700;
  margin-top: auto;
}

/* Google Maps */
.map-container {
  width: 100%;
  height: 400px;
  margin: var(--space-xl) 0;
  border: var(--border-thin);
  border-radius: var(--radius-md);
  overflow: hidden;
}

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

/* Contact Info */
.contact-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
  margin: var(--space-xl) 0;
}

.contact-item {
  background-color: var(--color-dark);
  padding: var(--space-lg);
  border: var(--border-thin);
  border-radius: var(--radius-md);
  text-align: center;
}

.contact-item-title {
  color: var(--color-orange);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-sm);
}

.contact-item-text {
  color: var(--color-white);
  font-size: 1.1rem;
}

/* Footer */
.site-footer {
  background-color: var(--color-dark);
  border-top: var(--border-thin);
  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 {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

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

.footer-link {
  color: var(--color-grey);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

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

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

.footer-copyright {
  text-align: center;
  padding-top: var(--space-lg);
  margin-top: var(--space-lg);
  border-top: var(--border-thin);
  color: var(--color-grey);
  font-size: 0.85rem;
}

/* Privacy Policy 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;
  padding: var(--space-lg);
}

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

.popup-content {
  background-color: var(--color-dark);
  border: var(--border-thick);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  max-width: 600px;
  max-height: 80vh;
  overflow-y: auto;
  position: relative;
}

.popup-close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  background: transparent;
  border: var(--border-thin);
  color: var(--color-white);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.popup-close:hover {
  border-color: var(--color-orange);
  color: var(--color-orange);
}

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

.thank-you-title {
  color: var(--color-white);
  margin-bottom: var(--space-lg);
}

.thank-you-message {
  color: var(--color-grey);
  font-size: 1.1rem;
  margin-bottom: var(--space-xl);
}

/* 404 Page */
.error-container {
  text-align: center;
  padding: var(--space-xxl) var(--space-lg);
  max-width: 800px;
  margin: 0 auto;
}

.error-code {
  font-size: clamp(4rem, 10vw, 8rem);
  color: var(--color-orange);
  font-family: var(--font-header);
  margin-bottom: var(--space-md);
}

.error-message {
  color: var(--color-white);
  margin-bottom: var(--space-lg);
}

/* Legal Pages */
.legal-content {
  max-width: 900px;
  margin: 0 auto;
  padding: var(--space-xl) var(--space-lg);
}

.legal-section {
  margin-bottom: var(--space-xl);
}

.legal-title {
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.legal-text {
  color: var(--color-grey);
  line-height: 1.8;
}

.date {
  color: var(--color-orange);
  font-weight: 600;
  margin-top: var(--space-lg);
}

/* Responsive Design */
@media (max-width: 1023px) {
  .main-nav {
    display: none;
  }
  
  .burger-toggle {
    display: block;
  }
  
  .header-container {
    justify-content: space-between;
  }
}

@media (min-width: 1024px) {
  .main-nav {
    display: flex;
    margin-left: auto;
  }
  
  .burger-toggle {
    display: none;
  }
  
  .mobile-nav {
    display: none !important;
  }
  
  .header-container {
    justify-content: space-between;
  }
}

@media (max-width: 768px) {
  .content-section {
    padding: var(--space-xl) var(--space-md);
  }
  
  .hero-banner {
    min-height: 50vh;
  }
  
  .banner-content {
    padding: var(--space-lg);
  }
  
  .grid-container {
    grid-template-columns: 1fr;
  }
  
  .two-column {
    grid-template-columns: 1fr;
  }
  
  .products-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-info {
    grid-template-columns: 1fr;
  }
  
  .footer-container {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  html {
    font-size: 14px;
  }
  
  .site-header {
    padding: var(--space-sm) var(--space-md);
  }
  
  .content-section {
    padding: var(--space-lg) var(--space-sm);
  }
  
  .hero-banner {
    min-height: 40vh;
  }
}

/* Technical Lines Accent */
.tech-line {
  position: absolute;
  background: var(--color-light-grey);
  opacity: 0.3;
}

.tech-line-horizontal {
  width: 100%;
  height: 1px;
}

.tech-line-vertical {
  width: 1px;
  height: 100%;
}

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

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