/* ============================================
   CYBER-ARTISAN DESIGN SYSTEM
   Leather Crafting & Tooling Website
   ============================================ */

:root {
  /* Color Palette */
  --color-primary: #0F0F0F;
  --color-secondary: #4A3728;
  --color-accent-chrome: #C0C0C0;
  --color-accent-sienna: #D9522B;
  --color-text-primary: #C0C0C0;
  --color-text-secondary: #8A8A8A;
  --color-bg-dark: #0F0F0F;
  --color-bg-darker: #050505;
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-secondary: 'Space Grotesk', sans-serif;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
  
  /* Border Radius */
  --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, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px rgba(217, 82, 43, 0.3);
}

/* ============================================
   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-bg-dark);
  color: var(--color-text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

h1 {
  font-size: clamp(2rem, 5vw, 4rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.75rem, 4vw, 3rem);
  letter-spacing: -0.01em;
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
}

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

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

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

/* ============================================
   HEADER & NAVIGATION
   ============================================ */

.site-header {
  position: relative;
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  background: linear-gradient(180deg, rgba(15, 15, 15, 0.95) 0%, rgba(15, 15, 15, 0.8) 100%);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(192, 192, 192, 0.1);
  z-index: 1000;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand-name {
  font-family: var(--font-secondary);
  font-size: clamp(1rem, 2vw, 1.35rem);
  font-weight: 700;
  color: var(--color-accent-chrome);
  text-transform: uppercase;
}

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

.main-navigation a {
  font-size: 0.9375rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  position: relative;
  padding: var(--space-sm) 0;
}

.main-navigation a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent-sienna);
  transition: width var(--transition-base);
}

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

/* Burger Menu - Hidden by default, visible on mobile */
.burger-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--color-accent-chrome);
  padding: var(--space-sm);
  cursor: pointer;
  position: relative;
  width: 44px;
  height: 44px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  transition: border-color var(--transition-fast);
  margin-left: var(--space-md);
}

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

.burger-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-accent-chrome);
  transition: all var(--transition-fast);
}

.burger-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

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

.burger-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(15, 15, 15, 0.98);
  backdrop-filter: blur(20px);
  padding: var(--space-3xl) var(--space-lg);
  flex-direction: column;
  gap: var(--space-lg);
  z-index: 9999;
  overflow-y: auto;
}

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

.mobile-menu a {
  padding: var(--space-lg);
  border-bottom: 1px solid rgba(192, 192, 192, 0.1);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 1.125rem;
  text-align: center;
  color: var(--color-accent-chrome);
  transition: color var(--transition-fast);
}

.mobile-menu a:hover {
  color: var(--color-accent-sienna);
}

/* ============================================
   HERO BANNERS
   ============================================ */

.hero-banner {
  width: 100vw;
  position: relative;
  min-height: 70vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: var(--space-3xl) var(--space-lg);
  overflow: hidden;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(15, 15, 15, 0.85) 0%, rgba(74, 55, 40, 0.4) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  width: 100%;
  margin: 0 auto;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 5rem);
  margin-bottom: var(--space-lg);
  background: linear-gradient(135deg, var(--color-accent-chrome) 0%, var(--color-accent-sienna) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
}

.hero-description {
  font-size: clamp(1rem, 2vw, 1.25rem);
  max-width: 800px;
  margin: 0 auto;
  color: var(--color-text-primary);
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.7);
}

/* Stitching Animation Effect */
.stitch-border {
  position: relative;
  padding: var(--space-lg);
}

.stitch-border::before,
.stitch-border::after {
  content: '';
  position: absolute;
  background: repeating-linear-gradient(
    90deg,
    var(--color-accent-sienna) 0px,
    var(--color-accent-sienna) 4px,
    transparent 4px,
    transparent 8px
  );
  height: 2px;
  width: 100%;
  left: 0;
  animation: stitchMove 3s linear infinite;
}

.stitch-border::before {
  top: 0;
}

.stitch-border::after {
  bottom: 0;
}

@keyframes stitchMove {
  0% {
    background-position: 0 0;
  }
  100% {
    background-position: 16px 0;
  }
}

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

main {
  width: 100%;
  overflow-x: hidden;
}

.content-section {
  padding: var(--space-3xl) var(--space-lg);
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
}

.section-title {
  text-align: center;
  margin-bottom: var(--space-2xl);
  position: relative;
  padding-bottom: var(--space-md);
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-accent-sienna), transparent);
}

/* Leather Texture Background */
.texture-bg {
  position: relative;
  background: var(--color-bg-dark);
}

.texture-bg::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 2px,
      rgba(74, 55, 40, 0.03) 2px,
      rgba(74, 55, 40, 0.03) 4px
    ),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 2px,
      rgba(74, 55, 40, 0.03) 2px,
      rgba(74, 55, 40, 0.03) 4px
    );
  pointer-events: none;
  z-index: 0;
}

.texture-bg > * {
  position: relative;
  z-index: 1;
}

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

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

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

/* Card Components */
.feature-card {
  background: linear-gradient(135deg, rgba(15, 15, 15, 0.8) 0%, rgba(74, 55, 40, 0.2) 100%);
  border: 1px solid rgba(192, 192, 192, 0.1);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(217, 82, 43, 0.1) 0%, transparent 70%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

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

.feature-card:hover::before {
  opacity: 1;
}

.feature-card-image {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-md);
  border: 1px solid rgba(192, 192, 192, 0.1);
}

.feature-card-title {
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
  color: var(--color-accent-chrome);
}

/* Metallic Dividers */
.metallic-divider {
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--color-accent-chrome) 20%,
    var(--color-accent-sienna) 50%,
    var(--color-accent-chrome) 80%,
    transparent
  );
  margin: var(--space-2xl) 0;
  position: relative;
}

.metallic-divider::after {
  content: '';
  position: absolute;
  top: -1px;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(192, 192, 192, 0.3) 50%,
    transparent
  );
  filter: blur(2px);
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
  display: inline-block;
  padding: var(--space-md) var(--space-xl);
  background: transparent;
  border: 1px solid var(--color-accent-chrome);
  color: var(--color-accent-chrome);
  font-family: var(--font-secondary);
  font-size: 0.9375rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 10px;
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--color-accent-sienna);
  transition: left var(--transition-base);
  z-index: -1;
}

.btn:hover {
  color: var(--color-bg-dark);
  border-color: var(--color-accent-sienna);
}

.btn:hover::before {
  left: 0;
}

.btn-primary {
  background: var(--color-accent-sienna);
  border-color: var(--color-accent-sienna);
  color: var(--color-bg-dark);
}

.btn-primary::before {
  color: black;
  background: var(--color-accent-chrome);
}

.btn-primary:hover {
  color: var(--color-bg-dark);
}

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

.contact-form {
  max-width: 600px;
  margin: 0 auto;
  padding: var(--space-xl);
  background: linear-gradient(135deg, rgba(15, 15, 15, 0.8) 0%, rgba(74, 55, 40, 0.2) 100%);
  border: 1px solid rgba(192, 192, 192, 0.1);
  border-radius: var(--radius-md);
}

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

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

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--space-md);
  background: rgba(15, 15, 15, 0.6);
  border: 1px solid rgba(192, 192, 192, 0.2);
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
  font-family: var(--font-primary);
  font-size: 1rem;
  transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent-sienna);
  box-shadow: 0 0 0 3px rgba(217, 82, 43, 0.1);
}

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

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

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

.checkbox-group label {
  margin-bottom: 0;
  text-transform: none;
  font-size: 0.875rem;
  line-height: 1.5;
}

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

.product-card {
  background: linear-gradient(135deg, rgba(15, 15, 15, 0.8) 0%, rgba(74, 55, 40, 0.2) 100%);
  border: 1px solid rgba(192, 192, 192, 0.1);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  transition: all var(--transition-base);
  text-align: center;
}

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

.product-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-md);
  border: 1px solid rgba(192, 192, 192, 0.1);
}

.product-title {
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
  color: var(--color-accent-chrome);
}

.product-price {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-accent-sienna);
  margin-top: var(--space-md);
}

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

.site-footer {
  background: var(--color-bg-darker);
  border-top: 1px solid rgba(192, 192, 192, 0.1);
  padding: var(--space-xl) var(--space-lg);
  margin-top: var(--space-3xl);
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-xl);
}

.footer-section h3 {
  font-size: 1rem;
  margin-bottom: var(--space-md);
  color: var(--color-accent-chrome);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-menu {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-menu a {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  text-align: center;
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(192, 192, 192, 0.1);
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

/* ============================================
   GOOGLE MAPS
   ============================================ */

.map-container {
  width: 100%;
  height: 400px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(192, 192, 192, 0.1);
  margin: var(--space-xl) 0;
}

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

/* ============================================
   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 DESIGN
   ============================================ */

@media (max-width: 1023px) {
  .main-navigation {
    display: none;
  }
  
  .burger-toggle {
    display: flex;
  }
  
  .site-header {
    flex-wrap: nowrap;
  }
  
  .brand-name {
    flex: 1;
  }
}

@media (max-width: 768px) {
  .hero-banner {
    min-height: 50vh;
    padding: var(--space-2xl) var(--space-md);
  }
  
  .content-section {
    padding: var(--space-2xl) var(--space-md);
  }
  
  .grid-two,
  .grid-three,
  .grid-four {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  .contact-form {
    padding: var(--space-lg);
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
}

@media (max-width: 480px) {
  html {
    font-size: 14px;
  }
  
  .hero-banner {
    min-height: 40vh;
    padding: var(--space-xl) var(--space-md);
  }
  
  .content-section {
    padding: var(--space-xl) var(--space-md);
  }
  
  .btn {
    padding: var(--space-sm) var(--space-lg);
    font-size: 0.875rem;
  }
}

@media (max-width: 320px) {
  html {
    font-size: 12px;
  }
  
  .site-header {
    padding: var(--space-sm) var(--space-md);
  }
  
  .hero-banner {
    padding: var(--space-lg) var(--space-sm);
  }
  
  .content-section {
    padding: var(--space-lg) var(--space-sm);
  }
}

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

.privacy-popup {
  display: none;
  position: fixed;
  bottom: var(--space-lg);
  left: var(--space-lg);
  right: var(--space-lg);
  max-width: 500px;
  background: linear-gradient(135deg, rgba(15, 15, 15, 0.95) 0%, rgba(74, 55, 40, 0.3) 100%);
  border: 1px solid rgba(192, 192, 192, 0.2);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  z-index: 10000;
  box-shadow: var(--shadow-lg);
}

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

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

.privacy-popup-content p {
  font-size: 0.875rem;
  margin-bottom: var(--space-sm);
  color: var(--color-text-secondary);
}

.privacy-popup-actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.privacy-popup-actions .btn {
  flex: 1;
  min-width: 120px;
  padding: var(--space-sm) var(--space-md);
  font-size: 0.875rem;
}

/* ============================================
   404 PAGE
   ============================================ */

.error-page {
  min-height: 70vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: var(--space-3xl) var(--space-lg);
}

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

.error-message {
  font-size: clamp(1.25rem, 3vw, 2rem);
  margin-bottom: var(--space-lg);
  color: var(--color-text-primary);
}

/* ============================================
   THANK YOU PAGE
   ============================================ */

.thank-you-section {
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: var(--space-3xl) var(--space-lg);
}

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

.thank-you-title {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: var(--space-md);
}

.thank-you-message {
  max-width: 600px;
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
}