/* ============================================
   Digital Loom - Futuristic Embroidery Design
   ============================================ */

:root {
  /* Color Palette - Macro-Luxury & Vector Chic */
  --color-primary: #0F172A;
  --color-secondary: #F1F5F9;
  --color-accent: #94A3B8;
  --color-highlight: #D4AF37;
  --color-text: #1E293B;
  --color-text-light: #64748B;
  --color-bg-overlay: rgba(15, 23, 42, 0.85);
  
  /* Typography */
  --font-primary: 'Cinzel', serif;
  --font-secondary: 'Space Mono', monospace;
  --font-body: 'Inter', 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: 16px;
  --radius-xl: 24px;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(15, 23, 42, 0.1);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.15);
  --shadow-lg: 0 8px 24px rgba(15, 23, 42, 0.2);
  --shadow-glow: 0 0 20px rgba(212, 175, 55, 0.3);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Layout */
  --max-width: 1280px;
  --header-height: 80px;
}

/* ============================================
   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);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-secondary);
  overflow-x: hidden;
}

/* ============================================
   Typography
   ============================================ */

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

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
}

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

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

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

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

/* ============================================
   Header & Navigation
   ============================================ */

.site-header {
  position: relative;
  width: 100%;
  background: rgba(241, 245, 249, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(148, 163, 184, 0.2);
  z-index: 1000;
  padding: var(--space-md) var(--space-lg);
}

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

.brand-name {
  font-family: var(--font-primary);
  font-size: clamp(1rem, 2vw, 1.35rem);
  font-weight: 600;
  color: var(--color-primary);
}

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

.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text);
  padding: var(--space-sm) var(--space-md);
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--color-highlight);
  transition: width var(--transition-base);
}

.nav-link:hover::after {
  width: 80%;
}

/* Burger Menu */
.burger-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  width: 40px;
  height: 40px;
  position: relative;
  z-index: 1002;
  margin-left: auto;
}

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

.burger-icon::before,
.burger-icon::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  transition: transform var(--transition-base);
}

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

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

.burger-toggle.active .burger-icon {
  background: transparent;
}

.burger-toggle.active .burger-icon::before {
  transform: rotate(45deg) translate(5px, 5px);
}

.burger-toggle.active .burger-icon::after {
  transform: rotate(-45deg) translate(7px, -7px);
}

.mobile-nav {
  display: none;
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  max-width: 320px;
  height: 100vh;
  background: var(--color-secondary);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-lg);
  z-index: 1001;
  transition: right var(--transition-base);
  padding: var(--space-2xl) var(--space-lg);
  overflow-y: auto;
}

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

.mobile-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

.mobile-nav-link {
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--color-text);
  padding: var(--space-md);
  border-bottom: 1px solid rgba(148, 163, 184, 0.2);
  display: block;
  transition: color var(--transition-fast);
}

.mobile-nav-link:hover {
  color: var(--color-highlight);
  padding-left: var(--space-lg);
}

/* ============================================
   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%);
}

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

.banner-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--color-bg-overlay);
  z-index: 2;
}

.banner-content {
  position: relative;
  z-index: 3;
  text-align: center;
  color: var(--color-secondary);
  padding: var(--space-xl);
  max-width: 800px;
  margin: 0 auto;
}

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

.banner-text {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: rgba(241, 245, 249, 0.9);
  margin-bottom: var(--space-xl);
  line-height: 1.8;
}

/* ============================================
   Main Content
   ============================================ */

.main-content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-lg);
}

.content-section {
  margin-bottom: var(--space-3xl);
  padding: var(--space-xl) 0;
  text-align: center;
}

.content-section > * {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.section-title {
  text-align: center;
  margin-bottom: var(--space-xl);
  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-highlight), transparent);
}

/* ============================================
   Grid Layouts
   ============================================ */

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

.grid-item {
  background: var(--color-secondary);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  position: relative;
  display: flex;
  flex-direction: column;
}

.grid-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.grid-item-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}

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

.grid-item-title {
  font-family: var(--font-primary);
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
  color: var(--color-primary);
}

.grid-item-text {
  color: var(--color-text-light);
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* ============================================
   Thread Library Specific
   ============================================ */

.thread-category {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.05), rgba(148, 163, 184, 0.05));
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  margin-bottom: var(--space-xl);
  border: 1px solid rgba(148, 163, 184, 0.2);
}

.thread-category-title {
  font-family: var(--font-primary);
  font-size: 1.75rem;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.thread-properties {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.thread-property {
  background: var(--color-secondary);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  color: var(--color-text-light);
  border: 1px solid rgba(148, 163, 184, 0.3);
}

.light-test-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-md);
  padding: var(--space-md);
  background: rgba(212, 175, 55, 0.1);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-base);
}

.light-test-toggle:hover {
  background: rgba(212, 175, 55, 0.2);
}

/* ============================================
   Monogram Visualizer
   ============================================ */

.visualizer-container {
  background: var(--color-secondary);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  margin: var(--space-2xl) 0;
  box-shadow: var(--shadow-lg);
}

.visualizer-controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

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

.control-label {
  font-family: var(--font-secondary);
  font-size: 0.875rem;
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.control-input {
  padding: var(--space-md);
  border: 2px solid rgba(148, 163, 184, 0.3);
  border-radius: var(--radius-md);
  font-family: var(--font-primary);
  font-size: 1rem;
  background: var(--color-secondary);
  color: var(--color-primary);
  transition: border-color var(--transition-fast);
}

.control-input:focus {
  outline: none;
  border-color: var(--color-highlight);
}

.visualizer-canvas {
  width: 100%;
  min-height: 400px;
  background: linear-gradient(135deg, #f5f5f5, #e8e8e8);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  border: 2px solid rgba(148, 163, 184, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
}

.canvas-fabric {
  width: 100%;
  height: 100%;
  background-image: 
    repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(148, 163, 184, 0.1) 2px, rgba(148, 163, 184, 0.1) 4px),
    repeating-linear-gradient(90deg, transparent, transparent 2px, rgba(148, 163, 184, 0.1) 2px, rgba(148, 163, 184, 0.1) 4px);
}

.monogram-display {
  font-family: var(--font-primary);
  font-size: clamp(3rem, 8vw, 6rem);
  color: var(--color-primary);
  text-shadow: 
    2px 2px 0 rgba(148, 163, 184, 0.3),
    4px 4px 8px rgba(15, 23, 42, 0.2);
  position: relative;
  z-index: 2;
}

.stitch-animation {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--color-highlight);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--color-highlight);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.stitch-animation.active {
  opacity: 1;
  animation: stitchPath 2s linear infinite;
}

@keyframes stitchPath {
  0% {
    transform: translate(0, 0);
    opacity: 1;
  }
  100% {
    transform: translate(100px, 100px);
    opacity: 0;
  }
}

/* ============================================
   Contact Form
   ============================================ */

.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  margin-top: var(--space-xl);
}

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

.info-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: rgba(15, 23, 42, 0.03);
  border-radius: var(--radius-md);
}

.info-icon {
  font-size: 1.5rem;
  color: var(--color-highlight);
  flex-shrink: 0;
}

.info-text {
  color: var(--color-text-light);
}

.info-text strong {
  color: var(--color-primary);
  display: block;
  margin-bottom: var(--space-xs);
}

.contact-form {
  background: var(--color-secondary);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

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

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

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-md);
  border: 2px solid rgba(148, 163, 184, 0.3);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 1rem;
  background: var(--color-secondary);
  color: var(--color-primary);
  transition: border-color var(--transition-fast);
}

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

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

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

.checkbox-input {
  margin-top: 4px;
  flex-shrink: 0;
}

.checkbox-label {
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: 1.5;
}

.form-button {
  width: 100%;
  padding: var(--space-md) var(--space-xl);
  background: var(--color-primary);
  color: var(--color-secondary);
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-primary);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition-base), transform var(--transition-fast);
  position: relative;
  margin-top: 10px;
  overflow: hidden;
}

.form-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(212, 175, 55, 0.3), transparent);
  transition: left var(--transition-slow);
}

.form-button:hover::before {
  left: 100%;
}

.form-button:hover {
  background: var(--color-highlight);
  transform: translateY(-2px);
  color: black;
}

.map-container {
  margin-top: var(--space-2xl);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.map-iframe {
  width: 100%;
  height: 400px;
  border: none;
  display: block;
}

/* ============================================
   Products Grid
   ============================================ */

.product-card {
  background: var(--color-secondary);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.product-image {
  width: 100%;
  height: 280px;
  object-fit: cover;
  display: block;
}

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

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

.product-description {
  color: var(--color-text-light);
  font-size: 0.9375rem;
  margin-bottom: var(--space-md);
  line-height: 1.7;
}

.product-price {
  font-family: var(--font-primary);
  font-size: 1.5rem;
  color: var(--color-highlight);
  font-weight: 600;
}

/* ============================================
   Footer
   ============================================ */

.site-footer {
  background: var(--color-primary);
  color: var(--color-secondary);
  padding: var(--space-2xl) var(--space-lg);
  margin-top: var(--space-3xl);
}

.footer-container {
  max-width: var(--max-width);
  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-family: var(--font-primary);
  font-size: 1.125rem;
  color: var(--color-secondary);
  margin-bottom: var(--space-sm);
}

.footer-link {
  color: rgba(241, 245, 249, 0.8);
  font-size: 0.9375rem;
  transition: color var(--transition-fast);
  padding: var(--space-xs) 0;
}

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

.footer-bottom {
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(241, 245, 249, 0.2);
  text-align: center;
  color: rgba(241, 245, 249, 0.6);
  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);
}

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

/* ============================================
   Privacy Policy 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-secondary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-xl);
  z-index: 2000;
  border: 2px solid var(--color-highlight);
}

.privacy-popup.active {
  display: block;
  animation: slideUp 0.5s ease;
}

@keyframes slideUp {
  from {
    transform: translateY(100px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

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

.privacy-popup-title {
  font-family: var(--font-primary);
  font-size: 1.25rem;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.privacy-popup-text {
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: var(--space-md);
}

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

.privacy-button {
  flex: 1;
  padding: var(--space-md);
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  cursor: pointer;
  transition: background var(--transition-base);
}

.privacy-button-accept {
  background: var(--color-primary);
  color: var(--color-secondary);
}

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

.privacy-button-decline {
  background: transparent;
  color: var(--color-text);
  border: 2px solid rgba(148, 163, 184, 0.3);
}

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

/* ============================================
   Thank You Page
   ============================================ */

.thank-you-container {
  max-width: 600px;
  margin: var(--space-3xl) auto;
  text-align: center;
  padding: var(--space-2xl);
  background: var(--color-secondary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

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

.thank-you-title {
  font-family: var(--font-primary);
  font-size: 2.5rem;
  color: var(--color-primary);
  margin-bottom: var(--space-lg);
}

.thank-you-text {
  font-size: 1.125rem;
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: var(--space-xl);
}

/* ============================================
   404 Page
   ============================================ */

.error-container {
  max-width: 600px;
  margin: var(--space-3xl) auto;
  text-align: center;
  padding: var(--space-2xl);
}

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

.error-title {
  font-family: var(--font-primary);
  font-size: 2rem;
  color: var(--color-primary);
  margin-bottom: var(--space-lg);
}

.error-text {
  font-size: 1.125rem;
  color: var(--color-text-light);
  margin-bottom: var(--space-xl);
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 1023px) {
  .main-nav {
    display: none;
  }
  
  .burger-toggle {
    display: block;
    order: 2;
  }
  
  .mobile-nav {
    display: block;
  }
  
  .header-container {
    position: relative;
  }
}

@media (max-width: 768px) {
  .hero-banner {
    min-height: 50vh;
  }
  
  .banner-content {
    padding: var(--space-lg);
  }
  
  .contact-container {
    grid-template-columns: 1fr;
  }
  
  .visualizer-controls {
    grid-template-columns: 1fr;
  }
  
  .grid-container {
    grid-template-columns: 1fr;
  }
  
  .footer-container {
    grid-template-columns: 1fr;
  }
  
  .privacy-popup {
    left: var(--space-md);
    right: var(--space-md);
    bottom: var(--space-md);
  }
}

@media (max-width: 480px) {

  
  .main-content {
    padding: var(--space-lg) var(--space-md);
  }
  
  .content-section {
    margin-bottom: var(--space-xl);
    padding: var(--space-lg) 0;
  }
  
  .visualizer-container {
    padding: var(--space-lg);
  }
  
  .contact-form {
    padding: var(--space-lg);
  }
}

@media (max-width: 320px) {
  html {
    font-size: 14px;
  }
  
  .banner-title {
    font-size: 1.75rem;
  }
  
  .section-title {
    font-size: 1.5rem;
  }
}