/* ============================================
   TACTILE FUTURISM - LEATHER CRAFTING DESIGN
   Modular Industrial & Macro-Aesthetics
   ============================================ */

:root {
  /* Color Palette - Cyber-Tannery */
  --color-base: #0D0D0D;
  --color-base-alt: #1A1714;
  --color-primary: #D35400;
  --color-accent: #FFBF00;
  --color-contrast: #D2B48C;
  --color-text: #E5E5E5;
  --color-text-muted: #999999;
  --color-border: #333333;
  
  /* Typography */
  --font-header: 'Bebas Neue', sans-serif;
  --font-body: 'JetBrains Mono', monospace;
  
  /* 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-border);
  
  /* 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);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* ============================================
   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-body);
  background-color: var(--color-base);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('../gallery/freepik__leather-crafting__48928.webp');
  background-size: cover;
  background-position: center;
  opacity: 0.03;
  z-index: -1;
  pointer-events: none;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-header);
  font-weight: 400;
  letter-spacing: 0.1em;
  line-height: 1.2;
  text-transform: uppercase;
  color: var(--color-text);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  margin-bottom: var(--space-lg);
}

h2 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  margin-bottom: var(--space-md);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  margin-bottom: var(--space-md);
}

h4 {
  font-size: clamp(1.25rem, 2.5vw, 2rem);
  margin-bottom: var(--space-sm);
}

p {
  margin-bottom: var(--space-md);
  font-size: clamp(0.875rem, 1.5vw, 1rem);
}

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

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

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

.site-header {
  position: relative;
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  background-color: rgba(13, 13, 13, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: var(--border-thin);
  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-text {
  font-family: var(--font-header);
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--color-text);
  text-transform: uppercase;
}

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

@media (min-width: 1024px) {
  .burger-toggle {
    display: none;
  }
}

.nav-menu li {
  position: relative;
}

.nav-menu a {
  font-size: clamp(0.875rem, 1.2vw, 1rem);
  padding: var(--space-sm) var(--space-md);
  display: block;
  transition: color var(--transition-fast);
  border-bottom: 2px solid transparent;
}

.nav-menu a:hover {
  color: var(--color-contrast);
  border-bottom-color: var(--color-primary);
}

.burger-toggle {
  display: none;
  background: transparent;
  border: var(--border-thin);
  color: var(--color-text);
  padding: var(--space-sm) var(--space-md);
  cursor: pointer;
  font-size: 1.5rem;
  transition: all var(--transition-fast);
  z-index: 1001;
  position: relative;
}

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

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

@media (max-width: 1023px) {
  .burger-toggle {
    display: block;
  }
}

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

main {
  min-height: calc(100vh - 200px);
}

/* ============================================
   FULL-WIDTH BANNER SECTIONS
   ============================================ */

.hero-banner {
  position: relative;
  width: 100vw;
  margin-left: calc(-50vw + 50%);
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-bottom: var(--border-thin);
}

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

.banner-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  padding: var(--space-xl);
  text-align: center;
  background: rgba(13, 13, 13, 0.9);
  backdrop-filter: blur(20px);
  border: var(--border-thin);
  margin: var(--space-lg) auto;
}

.banner-content h1 {
  color: var(--color-text);
  margin-bottom: var(--space-md);
}

.banner-content p {
  font-size: clamp(1rem, 1.8vw, 1.25rem);
  max-width: 800px;
  margin: 0 auto var(--space-lg);
}

/* ============================================
   SECTION STYLES
   ============================================ */

.content-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-xxl) var(--space-lg);
  border-bottom: var(--border-thin);
  text-align: center;
}

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

.content-section > h2,
.content-section > p.text-center {
  text-align: center;
}

.section-grid {
  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;
}

.section-item {
  padding: var(--space-lg);
  border: var(--border-thin);
  background: rgba(26, 23, 20, 0.5);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.section-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(211, 84, 0, 0.1), transparent);
  transition: left var(--transition-slow);
}

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

.section-item:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

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

.section-title {
  color: var(--color-contrast);
  margin-bottom: var(--space-sm);
}

.section-text {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

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

.technical-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-lg);
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.tech-card {
  padding: var(--space-lg);
  border: var(--border-thin);
  background: rgba(13, 13, 13, 0.6);
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.tech-stat {
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--color-accent);
  font-family: var(--font-header);
  margin: var(--space-md) 0;
}

.tech-label {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ============================================
   FORMS
   ============================================ */

.contact-form {
  max-width: 800px;
  margin: var(--space-xl) auto;
  padding: var(--space-xl);
  border: var(--border-thin);
  background: rgba(26, 23, 20, 0.5);
}

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

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

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--space-md);
  background: rgba(13, 13, 13, 0.8);
  border: var(--border-thin);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(211, 84, 0, 0.2);
}

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

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

.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;
}

.submit-button {
  padding: var(--space-md) var(--space-xl);
  background: var(--color-primary);
  border: var(--border-thin);
  border-color: var(--color-primary);
  color: var(--color-text);
  font-family: var(--font-header);
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: all var(--transition-base);
  width: 100%;
  margin-top: 10px;
}

.submit-button:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-base);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.submit-button-inline {
  display: inline-block;
  width: auto;
  padding: var(--space-md) var(--space-xl);
  margin-top: var(--space-lg);
}

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

.products-grid {
  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;
}

.product-card {
  border: var(--border-thin);
  background: rgba(26, 23, 20, 0.5);
  overflow: hidden;
  transition: all var(--transition-base);
}

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

.product-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-bottom: var(--border-thin);
}

.product-info {
  padding: var(--space-lg);
}

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

.product-description {
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  font-size: 0.9rem;
}

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

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

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

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

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

.site-footer {
  background: rgba(13, 13, 13, 0.95);
  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(250px, 1fr));
  gap: var(--space-xl);
}

.footer-section h4 {
  color: var(--color-contrast);
  margin-bottom: var(--space-md);
  font-size: 1.1rem;
}

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

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

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

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

.footer-contact {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  line-height: 1.8;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-lg);
  margin-top: var(--space-lg);
  border-top: var(--border-thin);
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

.text-center {
  text-align: center;
}

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

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

.date {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  font-style: italic;
}

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

.privacy-popup {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
  z-index: 10000;
  padding: var(--space-xl);
  overflow-y: auto;
}

.privacy-popup.active {
  display: flex;
  align-items: center;
  justify-content: center;
}

.popup-content {
  max-width: 800px;
  background: var(--color-base-alt);
  border: var(--border-thin);
  padding: var(--space-xl);
  position: relative;
  max-height: 90vh;
  overflow-y: auto;
}

.popup-close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  background: transparent;
  border: var(--border-thin);
  color: var(--color-text);
  width: 40px;
  height: 40px;
  cursor: pointer;
  font-size: 1.5rem;
  transition: all var(--transition-fast);
}

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

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

.thank-you-content {
  max-width: 800px;
  margin: var(--space-xxl) auto;
  padding: var(--space-xl);
  text-align: center;
  border: var(--border-thin);
  background: rgba(26, 23, 20, 0.5);
}

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

/* ============================================
   ERROR PAGE (404)
   ============================================ */

.error-content {
  max-width: 800px;
  margin: var(--space-xxl) auto;
  padding: var(--space-xl);
  text-align: center;
  border: var(--border-thin);
  background: rgba(26, 23, 20, 0.5);
}

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

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

@media (max-width: 1023px) {
  .nav-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(13, 13, 13, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: var(--space-xxl) var(--space-lg);
    gap: var(--space-lg);
    z-index: 10000;
    overflow-y: auto;
    justify-content: flex-start;
    align-items: center;
  }

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

  .nav-menu li {
    width: 100%;
    text-align: center;
  }

  .nav-menu a {
    font-size: 1.25rem;
    padding: var(--space-md);
    width: 100%;
    border-bottom: var(--border-thin);
  }

  .header-container {
    justify-content: space-between;
    position: relative;
  }

  .section-grid,
  .technical-grid,
  .products-grid {
    grid-template-columns: 1fr;
  }

  .content-section {
    padding: var(--space-lg) var(--space-md);
  }

  .banner-content {
    padding: var(--space-lg);
    margin: var(--space-md);
  }
}

@media (max-width: 768px) {
  html {
    font-size: 14px;
  }

  .hero-banner {
    min-height: 50vh;
  }

  .footer-container {
    grid-template-columns: 1fr;
  }

  .contact-form {
    padding: var(--space-lg);
  }
}

@media (max-width: 480px) {
  html {
    font-size: 12px;
  }

  .site-header {
    padding: var(--space-sm) var(--space-md);
  }

  .brand-text {
    font-size: 1.25rem;
  }

  .banner-content {
    padding: var(--space-md);
  }

  .content-section {
    padding: var(--space-md) var(--space-sm);
  }
}

@media (max-width: 320px) {
  html {
    font-size: 11px;
  }

  .section-item,
  .product-card,
  .tech-card {
    padding: var(--space-md);
  }
}