/* ============================================
   THE DIGITAL THREAD - Textile Design Website
   Kinetic & Linear Aesthetic - Warp & Weft Theme
   ============================================ */

:root {
  /* Color Palette - The Digital Thread */
  --color-bg-primary: #141414;
  --color-bg-secondary: #2D2D2D;
  --color-text-primary: #E3DCCB;
  --color-accent-indigo: #5E60CE;
  --color-accent-ochre: #BC6C25;
  --color-border: #2D2D2D;
  
  /* Typography */
  --font-primary: 'Cormorant Garamond', serif;
  --font-secondary: 'Space Mono', monospace;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-xxl: 4rem;
  
  /* Border & Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  
  /* 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;
  
  /* Grid - Warp Lines */
  --warp-line-width: 1px;
  --warp-line-color: rgba(227, 220, 203, 0.1);
}

/* ============================================
   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);
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: var(--space-md);
  color: var(--color-text-primary);
}

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

h2 {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
}

p {
  margin-bottom: var(--space-md);
  font-size: clamp(0.875rem, 2vw, 1rem);
}

a {
  color: var(--color-accent-indigo);
  text-decoration: none;
  transition: color var(--transition-base);
}

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

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

.site-header {
  position: relative;
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  background-color: rgba(20, 20, 20, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: var(--warp-line-width) solid var(--color-border);
  z-index: 1000;
}

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-lg);
}

.brand-name {
  font-family: var(--font-primary);
  font-size: clamp(1rem, 2vw, 1.35rem);
  color: var(--color-text-primary);
  font-weight: 300;
}

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

.nav-menu li a {
  font-size: clamp(0.875rem, 1.5vw, 1rem);
  color: var(--color-text-primary);
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-base);
}

.nav-menu li a:hover {
  border-bottom-color: var(--color-accent-indigo);
}

/* Burger Menu Button - Always in header, visible on mobile */
.burger-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  color: var(--color-text-primary);
  font-size: 1.5rem;
  z-index: 10001;
  margin-left: auto;
}

.burger-toggle:focus {
  outline: 2px solid var(--color-accent-indigo);
  outline-offset: 2px;
}

/* Desktop Navigation */
@media (min-width: 1024px) {
  .nav-menu {
    display: flex;
  }
  
  .burger-toggle {
    display: none;
  }
}

/* Mobile Navigation - Opens separately from header */
@media (max-width: 1023px) {
  .burger-toggle {
    display: block;
  }
  
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background-color: var(--color-bg-primary);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-xxl) var(--space-lg);
    gap: var(--space-md);
    border-left: var(--warp-line-width) solid var(--color-border);
    transition: right var(--transition-base);
    z-index: 2000;
    overflow-y: auto;
    box-shadow: -4px 0 16px rgba(0, 0, 0, 0.5);
  }
  
  .nav-menu.active {
    right: 0;
  }
  
  .nav-menu li {
    width: 100%;
  }
  
  .nav-menu li a {
    display: block;
    width: 100%;
    padding: var(--space-md);
    border-bottom: var(--warp-line-width) solid var(--color-border);
  }
}

/* ============================================
   INTERACTIVE LOOM HERO
   ============================================ */

.hero-loom {
  position: relative;
  width: 100vw;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background-color: var(--color-bg-primary);
}

.loom-warp {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(2px, 1fr));
  gap: 0;
  pointer-events: none;
  z-index: 1;
}

.warp-line {
  width: 1px;
  height: 100%;
  background: linear-gradient(
    to bottom,
    transparent,
    var(--warp-line-color),
    transparent
  );
  opacity: 0.3;
  animation: warp-pulse 3s ease-in-out infinite;
}

.warp-line:nth-child(odd) {
  animation-delay: 0.5s;
}

.warp-line:nth-child(even) {
  animation-delay: 1s;
}

@keyframes warp-pulse {
  0%, 100% {
    opacity: 0.3;
  }
  50% {
    opacity: 0.6;
  }
}

.loom-weft {
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(
    to right,
    transparent,
    var(--color-accent-indigo),
    transparent
  );
  transform: translateY(-50%);
  opacity: 0;
  transition: opacity var(--transition-base);
  z-index: 2;
}

.loom-weft.active {
  opacity: 0.8;
}

.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  padding: var(--space-xl);
  max-width: 900px;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 5rem);
  margin-bottom: var(--space-lg);
  background: linear-gradient(
    135deg,
    var(--color-text-primary),
    var(--color-accent-indigo)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  color: var(--color-text-primary);
  opacity: 0.9;
  margin-bottom: var(--space-xl);
}

/* ============================================
   FULL-WIDTH BANNERS
   ============================================ */

.banner-section {
  position: relative;
  width: 100vw;
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin: var(--space-xxl) 0;
}

.banner-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
  opacity: 0.3;
}

.banner-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    to bottom,
    rgba(20, 20, 20, 0.75),
    rgba(20, 20, 20, 0.95)
  );
  z-index: 2;
}

.banner-content {
  position: relative;
  z-index: 10;
  text-align: center;
  padding: var(--space-xl);
  max-width: 900px;
}

.banner-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  margin-bottom: var(--space-lg);
  color: var(--color-text-primary);
}

.banner-text {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-text-primary);
  opacity: 0.95;
  line-height: 1.8;
}

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

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

.content-section > p {
  text-align: center;
  max-width: 800px;
  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: 60px;
  height: 2px;
  background: linear-gradient(
    to right,
    transparent,
    var(--color-accent-indigo),
    transparent
  );
}

.section-grid {
  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;
}

.section-item {
  background-color: var(--color-bg-secondary);
  padding: var(--space-lg);
  border: var(--warp-line-width) solid var(--color-border);
  border-radius: var(--radius-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

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

.item-title {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  margin-bottom: var(--space-sm);
  color: var(--color-text-primary);
}

.item-description {
  font-size: clamp(0.875rem, 1.5vw, 1rem);
  color: var(--color-text-primary);
  opacity: 0.8;
  line-height: 1.6;
}

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

.product-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-bg-secondary);
  border: var(--warp-line-width) solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.product-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

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

.product-title {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  margin-bottom: var(--space-sm);
  color: var(--color-text-primary);
}

.product-description {
  font-size: clamp(0.875rem, 1.5vw, 1rem);
  color: var(--color-text-primary);
  opacity: 0.8;
  margin-bottom: var(--space-md);
  line-height: 1.6;
}

.product-price {
  font-family: var(--font-secondary);
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-accent-ochre);
  font-weight: 600;
}

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

.contact-section {
  padding: var(--space-xxl) var(--space-lg);
  max-width: 1200px;
  margin: 0 auto;
}

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

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

.info-item {
  padding: var(--space-md);
  background-color: var(--color-bg-secondary);
  border: var(--warp-line-width) solid var(--color-border);
  border-radius: var(--radius-md);
}

.info-item h4 {
  font-size: clamp(1rem, 2vw, 1.125rem);
  margin-bottom: var(--space-sm);
  color: var(--color-accent-indigo);
}

.info-item p {
  font-size: clamp(0.875rem, 1.5vw, 1rem);
  color: var(--color-text-primary);
  opacity: 0.9;
  margin: 0;
}

.contact-form {
  background-color: var(--color-bg-secondary);
  padding: var(--space-xl);
  border: var(--warp-line-width) solid var(--color-border);
  border-radius: var(--radius-md);
}

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

.form-group label {
  display: block;
  margin-bottom: var(--space-sm);
  font-size: clamp(0.875rem, 1.5vw, 1rem);
  color: var(--color-text-primary);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--space-md);
  background-color: var(--color-bg-primary);
  border: var(--warp-line-width) solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
  font-family: var(--font-secondary);
  font-size: clamp(0.875rem, 1.5vw, 1rem);
  transition: border-color var(--transition-base);
}

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

.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 {
  font-size: clamp(0.75rem, 1.5vw, 0.875rem);
  line-height: 1.5;
  cursor: pointer;
}

.submit-button {
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  background-color: var(--color-accent-indigo);
  color: var(--color-text-primary);
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-secondary);
  font-size: clamp(0.875rem, 1.5vw, 1rem);
  cursor: pointer;
  margin-top: 10px;
  transition: background-color var(--transition-base), transform var(--transition-base);
}

.submit-button:hover {
  color: black;
  background-color: var(--color-accent-ochre);
  transform: translateY(-2px);
}

.submit-button:active {
  transform: translateY(0);
}

.map-container {
  margin-top: var(--space-xl);
  width: 100%;
  height: 400px;
  border: var(--warp-line-width) solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

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

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

.site-footer {
  background-color: var(--color-bg-secondary);
  border-top: var(--warp-line-width) solid var(--color-border);
  padding: var(--space-xl) var(--space-lg);
  margin-top: var(--space-xxl);
}

.footer-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
}

.footer-menu {
  display: flex;
  list-style: none;
  gap: var(--space-lg);
  flex-wrap: wrap;
  justify-content: center;
}

.footer-menu li a {
  font-size: clamp(0.75rem, 1.5vw, 0.875rem);
  color: var(--color-text-primary);
  opacity: 0.8;
  transition: opacity var(--transition-base);
}

.footer-menu li a:hover {
  opacity: 1;
  color: var(--color-accent-indigo);
}

.footer-text {
  font-size: clamp(0.75rem, 1.5vw, 0.875rem);
  color: var(--color-text-primary);
  opacity: 0.6;
  text-align: center;
}

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

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.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);
}

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

.privacy-popup {
  position: fixed;
  bottom: var(--space-lg);
  left: var(--space-lg);
  right: var(--space-lg);
  max-width: 500px;
  background-color: var(--color-bg-secondary);
  border: var(--warp-line-width) solid var(--color-accent-indigo);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  box-shadow: var(--shadow-lg);
  z-index: 2000;
  display: none;
}

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

.privacy-popup p {
  font-size: clamp(0.75rem, 1.5vw, 0.875rem);
  margin-bottom: var(--space-md);
  color: var(--color-text-primary);
}

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

.privacy-button {
  padding: var(--space-sm) var(--space-md);
  border: var(--warp-line-width) solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  font-family: var(--font-secondary);
  font-size: clamp(0.75rem, 1.5vw, 0.875rem);
  cursor: pointer;
  transition: border-color var(--transition-base), background-color var(--transition-base);
}

.privacy-button:hover {
  border-color: var(--color-accent-indigo);
  background-color: var(--color-accent-indigo);
}

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

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

.thank-you-content {
  max-width: 600px;
}

.thank-you-title {
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: var(--space-lg);
  color: var(--color-accent-indigo);
}

.thank-you-text {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-text-primary);
  opacity: 0.9;
  line-height: 1.8;
  margin-bottom: var(--space-xl);
}

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

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

.error-content {
  max-width: 600px;
}

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

.error-title {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  margin-bottom: var(--space-md);
}

.error-text {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-text-primary);
  opacity: 0.8;
  margin-bottom: var(--space-xl);
}

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

@media (max-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .section-grid {
    grid-template-columns: 1fr;
  }
  
  .product-grid {
    grid-template-columns: 1fr;
  }
  
  .banner-section {
    min-height: 50vh;
  }
  
  .privacy-popup {
    left: var(--space-md);
    right: var(--space-md);
    bottom: var(--space-md);
  }
}

@media (max-width: 480px) {
  .header-container {
    padding: var(--space-sm) var(--space-md);
  }
  
  .content-section {
    padding: var(--space-xl) var(--space-md);
  }
  
  .banner-content {
    padding: var(--space-lg) var(--space-md);
  }
}

@media (max-width: 320px) {
  html {
    font-size: 14px;
  }
  
  .header-container {
    padding: var(--space-xs) var(--space-sm);
  }
  
  .content-section {
    padding: var(--space-lg) var(--space-sm);
  }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus styles for keyboard navigation */
a:focus,
button:focus,
input:focus,
textarea:focus {
  outline: 2px solid var(--color-accent-indigo);
  outline-offset: 2px;
}

/* Skip to main content link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background-color: var(--color-accent-indigo);
  color: var(--color-text-primary);
  padding: var(--space-sm) var(--space-md);
  z-index: 10000;
  text-decoration: none;
}

.skip-link:focus {
  top: 0;
}