/* ============================================
   FUTURISTIC HARDWARE DESIGN SYSTEM
   High-End Watchmaking Atelier + Spacecraft Cockpit
   ============================================ */

:root {
  /* Color Palette */
  --color-carbon: #0F0F0F;
  --color-gold: #D4AF37;
  --color-chromium: #8E8E93;
  --color-crimson: #FF003C;
  --color-white: #FFFFFF;
  --color-dark: #1A1A1A;
  --color-light: #F5F5F5;
  
  /* Typography */
  --font-primary: 'Space Grotesk', sans-serif;
  --font-secondary: 'Inter', sans-serif;
  --font-weight-light: 300;
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-bold: 700;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-xxl: 4rem;
  
  /* Layout */
  --container-max: 1400px;
  --section-padding: 5rem 1rem;
  --section-padding-mobile: 3rem 1rem;
  
  /* Borders & Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --border-thin: 1px solid var(--color-chromium);
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-gold: 0 0 20px rgba(212, 175, 55, 0.3);
  --shadow-crimson: 0 0 15px rgba(255, 0, 60, 0.4);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Z-index layers */
  --z-base: 1;
  --z-header: 100;
  --z-menu: 200;
  --z-overlay: 300;
  --z-modal: 400;
}

/* ============================================
   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-secondary);
  font-weight: var(--font-weight-regular);
  line-height: 1.6;
  color: var(--color-white);
  background-color: var(--color-carbon);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: var(--font-weight-bold);
  line-height: 1.2;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-md);
}

h1 {
  font-size: clamp(2rem, 5vw, 4rem);
  letter-spacing: 0.1em;
}

h2 {
  font-size: clamp(1.75rem, 4vw, 3rem);
  letter-spacing: 0.08em;
}

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

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

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

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

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

.site-header {
  position: relative;
  width: 100%;
  padding: 1rem;
  background: rgba(15, 15, 15, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: var(--border-thin);
  z-index: 1000001;
  position: sticky;
  top: 0;
}

.header-container {
  max-width: var(--container-max);
  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-primary);
  font-size: clamp(1rem, 2vw, 1.35rem);
  font-weight: var(--font-weight-bold);
  color: var(--color-gold);
}

.main-nav {
  display: flex;
  gap: 15px;
  align-items: center;
  flex-wrap: wrap;
}

.nav-link {
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-chromium);
  position: relative;
  padding: var(--space-xs) 0;
  transition: color var(--transition-base);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-crimson);
  transition: width var(--transition-base);
}

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

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

/* Burger Menu */
.burger-toggle {
  display: none;
  background: transparent;
  border: var(--border-thin);
  padding: var(--space-sm);
  cursor: pointer;
  color: var(--color-gold);
  font-size: 1.5rem;
  transition: all var(--transition-base);
  order: 999;
  z-index: calc(var(--z-header) + 10);
  position: relative;
}

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

.burger-icon {
  display: block;
  width: 24px;
  height: 24px;
  position: relative;
}

.burger-icon span {
  display: block;
  position: absolute;
  height: 2px;
  width: 100%;
  background: currentColor;
  transition: all var(--transition-base);
}

.burger-icon span:nth-child(1) {
  top: 0;
}

.burger-icon span:nth-child(2) {
  top: 50%;
  transform: translateY(-50%);
}

.burger-icon span:nth-child(3) {
  bottom: 0;
}

.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);
}

.mobile-nav {
  display: block;
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  max-width: 400px;
  height: 100vh;
  background: var(--color-dark);
  border-left: var(--border-thin);
  padding: var(--space-xl) var(--space-lg);
  padding-top: calc(var(--space-xl) + 80px);
  z-index: calc(var(--z-header) + 5);
  transition: right var(--transition-base);
  overflow-y: auto;
  visibility: hidden;
}

.mobile-nav.active {
  right: 0;
  visibility: visible;
}

.mobile-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.mobile-nav-link {
  font-size: 1.1rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-chromium);
  padding: var(--space-md) 0;
  border-bottom: var(--border-thin);
  transition: color var(--transition-base);
}

.mobile-nav-link:hover {
  color: var(--color-gold);
}

.mobile-nav-overlay {
  display: block;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  z-index: calc(var(--z-header) + 4);
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
  visibility: hidden;
}

.mobile-nav-overlay.active {
  opacity: 1;
  pointer-events: all;
  visibility: visible;
}

/* Responsive Navigation */
@media (max-width: 1023px) {
  .main-nav {
    display: none;
  }
  
  .burger-toggle {
    display: block;
  }
  
  .mobile-nav {
    display: block;
  }
  
  .mobile-nav-overlay {
    display: block;
  }
}

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

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

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-md);
  width: 100%;
}

/* ============================================
   HERO BANNERS (Full-Width)
   ============================================ */

.hero-banner {
  position: relative;
  width: 100vw;
  min-height: 60vh;
  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: var(--z-base);
  opacity: 0.35;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(15, 15, 15, 0.85) 0%,
    rgba(15, 15, 15, 0.75) 50%,
    rgba(15, 15, 15, 0.85) 100%
  );
  z-index: calc(var(--z-base) + 1);
}

.hero-content {
  position: relative;
  z-index: calc(var(--z-base) + 2);
  text-align: center;
  padding: var(--space-xxl) var(--space-md);
  max-width: 900px;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 5rem);
  margin-bottom: var(--space-lg);
  text-shadow: 0 0 30px rgba(212, 175, 55, 0.5);
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-chromium);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-xl);
}

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

.content-section {
  padding: var(--section-padding);
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.section-title {
  text-align: center;
  margin-bottom: var(--space-xxl);
  position: relative;
  padding-bottom: var(--space-lg);
  max-width: 1200px;
  width: 100%;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 2px;
  background: var(--color-crimson);
}

.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 {
  background: rgba(26, 26, 26, 0.6);
  border: var(--border-thin);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  transition: all var(--transition-base);
  backdrop-filter: blur(10px);
  display: flex;
  flex-direction: column;
  text-align: center;
}

.section-item:hover {
  border-color: var(--color-gold);
  box-shadow: var(--shadow-gold);
  transform: translateY(-5px);
}

.item-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-md);
  opacity: 0.9;
  transition: opacity var(--transition-base);
}

.section-item:hover .item-image {
  opacity: 1;
}

.item-title {
  color: var(--color-gold);
  margin-bottom: var(--space-sm);
}

.item-text {
  color: var(--color-chromium);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* Two Column Layout */
.two-column {
  display: grid;
  grid-template-columns: 1fr 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: 350px;
  object-fit: cover;
  border-radius: var(--radius-md);
  border: var(--border-thin);
}

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

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

.product-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 {
  background: rgba(26, 26, 26, 0.6);
  border: var(--border-thin);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-base);
  backdrop-filter: blur(10px);
}

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

.product-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
  display: block;
}

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

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

.product-description {
  color: var(--color-chromium);
  font-size: 0.95rem;
  margin-bottom: var(--space-md);
  line-height: 1.7;
}

.product-price {
  font-family: var(--font-primary);
  font-size: 1.75rem;
  color: var(--color-white);
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.1em;
}

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

.contact-section {
  padding: var(--section-padding);
}

.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xxl);
  margin-top: var(--space-xl);
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.form-label {
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-chromium);
}

.form-input,
.form-textarea {
  background: rgba(26, 26, 26, 0.8);
  border: var(--border-thin);
  border-radius: var(--radius-sm);
  padding: var(--space-md);
  color: var(--color-white);
  font-family: var(--font-secondary);
  font-size: 1rem;
  transition: all var(--transition-base);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 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-sm);
}

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

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

.submit-button {
  background: transparent;
  border: 2px solid var(--color-gold);
  color: var(--color-gold);
  padding: var(--space-md) var(--space-xl);
  font-family: var(--font-primary);
  font-size: 1rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--transition-base);
  align-self: flex-start;
  margin-top: 10px;
}

.submit-button:hover {
  background: var(--color-gold);
  color: var(--color-carbon);
  box-shadow: var(--shadow-gold);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.info-item {
  padding: var(--space-lg);
  background: rgba(26, 26, 26, 0.6);
  border: var(--border-thin);
  border-radius: var(--radius-md);
  backdrop-filter: blur(10px);
}

.info-label {
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-chromium);
  margin-bottom: var(--space-xs);
}

.info-value {
  font-size: 1.1rem;
  color: var(--color-white);
}

.map-container {
  margin-top: var(--space-xl);
  border: var(--border-thin);
  border-radius: var(--radius-md);
  overflow: hidden;
  height: 400px;
}

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

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

.site-footer {
  background: var(--color-dark);
  border-top: var(--border-thin);
  padding: var(--space-xl) var(--space-md);
  margin-top: var(--space-xxl);
}

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

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

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

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

.footer-text {
  color: var(--color-chromium);
  font-size: 0.85rem;
}

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

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

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

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

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

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

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

.date {
  color: var(--color-chromium);
  font-size: 0.9rem;
  font-style: italic;
}

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

.privacy-popup {
  display: none;
  position: fixed;
  bottom: var(--space-lg);
  left: var(--space-lg);
  right: var(--space-lg);
  max-width: 500px;
  background: var(--color-dark);
  border: var(--border-thin);
  border-left: 4px solid var(--color-crimson);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  z-index: var(--z-modal);
  box-shadow: var(--shadow-lg);
}

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

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

.privacy-text {
  font-size: 0.9rem;
  color: var(--color-chromium);
  line-height: 1.6;
  margin-bottom: var(--space-md);
}

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

.privacy-button {
  background: transparent;
  border: var(--border-thin);
  color: var(--color-white);
  padding: var(--space-sm) var(--space-md);
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition-base);
  flex: 1;
  min-width: 120px;
}

.privacy-button:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
}

.privacy-button.accept {
  border-color: var(--color-gold);
  background: var(--color-gold);
  color: var(--color-carbon);
}

.privacy-button.accept:hover {
  background: var(--color-white);
  border-color: var(--color-white);
}

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

.thank-you-section {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--section-padding);
}

.thank-you-content {
  max-width: 700px;
  width: 100%;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.thank-you-icon {
  font-size: 4rem;
  color: var(--color-gold);
  margin-bottom: var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.thank-you-content .section-title {
  margin: 0 auto var(--space-lg);
  text-align: center;
}

.thank-you-content .item-text {
  text-align: center;
  max-width: 100%;
  margin-left: auto;
  margin-right: auto;
  font-size: 1.1rem;
  margin-bottom: var(--space-lg);
}

.thank-you-content .item-text:last-of-type {
  margin-bottom: var(--space-xl);
}

.thank-you-buttons {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  justify-content: center;
  width: 100%;
  margin-top: var(--space-lg);
}

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

.error-section {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--section-padding);
}

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

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

@media (max-width: 1023px) {
  .two-column {
    grid-template-columns: 1fr;
  }
  
  .contact-container {
    grid-template-columns: 1fr;
  }
  
  .section-grid {
    grid-template-columns: 1fr;
  }
  
  .product-grid {
    grid-template-columns: 1fr;
  }
  
  .hero-banner {
    min-height: 50vh;
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 3rem 1rem;
  }
  
  .hero-content {
    padding: var(--space-xl) var(--space-md);
  }
  
  .footer-container {
    grid-template-columns: 1fr;
  }
  
  .privacy-popup {
    left: var(--space-md);
    right: var(--space-md);
    bottom: var(--space-md);
  }
}

@media (max-width: 480px) {
  .header-container {
    padding: var(--space-md) 0;
  }
  
  .brand-text {
    font-size: 1rem;
  }
  
  .hero-banner {
    min-height: 40vh;
  }
  
  .section-grid,
  .product-grid {
    gap: var(--space-md);
  }
}

@media (max-width: 320px) {
  :root {
    --section-padding: 2rem 0.5rem;
  }
  
  .container {
    padding: 0 var(--space-sm);
  }
  
  .hero-content {
    padding: var(--space-lg) var(--space-sm);
  }
}