/* ============================================
   SOFT-TECH MINIMALIST DESIGN SYSTEM
   Embroidery & Needlework Art Website
   ============================================ */

:root {
  /* Color Palette */
  --color-primary: #EAE0D5; /* Raw Linen */
  --color-secondary: #22333B; /* Charcoal Silk */
  --color-accent: #008080; /* Iridescent Teal */
  --color-highlight: #B87333; /* Copper Filigree */
  --color-white: #FFFFFF;
  --color-black: #000000;
  --color-bg-light: #F8F6F3;
  --color-bg-dark: #1A1A1A;
  
  /* Typography */
  --font-primary: 'Cormorant Garamond', serif;
  --font-secondary: 'JetBrains 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: 16px;
  --radius-full: 50%;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(34, 51, 59, 0.1);
  --shadow-md: 0 4px 12px rgba(34, 51, 59, 0.15);
  --shadow-lg: 0 8px 24px rgba(34, 51, 59, 0.2);
  --shadow-glow: 0 0 20px rgba(0, 128, 128, 0.3);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Z-index layers */
  --z-base: 1;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-modal: 300;
  --z-overlay: 400;
}

/* ============================================
   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-secondary);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-secondary);
  background-color: var(--color-primary);
  background-image: 
    linear-gradient(90deg, rgba(234, 224, 213, 0.03) 50%, transparent 50%),
    linear-gradient(rgba(234, 224, 213, 0.03) 50%, transparent 50%);
  background-size: 20px 20px;
  overflow-x: hidden;
  min-height: 100vh;
}

/* Fabric texture overlay */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 2px,
      rgba(34, 51, 59, 0.01) 2px,
      rgba(34, 51, 59, 0.01) 4px
    );
  pointer-events: none;
  z-index: -1;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: 300;
  line-height: 1.2;
  margin-bottom: var(--space-md);
  color: var(--color-secondary);
}

h1 {
  font-size: clamp(1.5rem, 4vw, 3rem);
  font-style: italic;
}

h2 {
  font-size: clamp(1.3rem, 3vw, 2rem);
  font-style: italic;
}

h3 {
  font-size: clamp(1rem, 2vw, 1.35rem);
}

p {
  margin-bottom: var(--space-md);
  max-width: 65ch;
}

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

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

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

.site-header {
  position: relative;
  width: 100%;
  padding: var(--space-lg) var(--space-md);
  background: rgba(234, 224, 213, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(34, 51, 59, 0.1);
  z-index: var(--z-sticky);
}

.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-name {
  font-family: var(--font-primary);
  font-size: clamp(1rem, 2vw, 1.4rem);
  font-weight: 300;
  font-style: italic;
  color: var(--color-secondary);
}

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

.nav-link {
  font-family: var(--font-secondary);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-secondary);
  padding: var(--space-sm) 0;
  position: relative;
  transition: color var(--transition-base);
}

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

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

/* Burger Menu */
.burger-toggle {
  display: block;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  z-index: calc(var(--z-dropdown) + 1);
  order: 999;
  position: relative;
}

.burger-icon {
  width: 28px;
  height: 20px;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.burger-icon span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-secondary);
  transition: all var(--transition-base);
  transform-origin: center;
}

.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: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(234, 224, 213, 0.98);
  backdrop-filter: blur(10px);
  padding: var(--space-xxl) var(--space-lg);
  flex-direction: column;
  gap: var(--space-md);
  z-index: var(--z-modal);
  overflow-y: auto;
  padding-top: 100px;
}

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

.mobile-nav .nav-link {
  font-size: 1rem;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid rgba(34, 51, 59, 0.1);
}

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

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

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

.hero-banner {
  position: relative;
  width: 100vw;
  margin-left: calc(-50vw + 50%);
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.banner-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: var(--z-base);
  opacity: 0.35;
}

.banner-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(234, 224, 213, 0.85) 0%,
    rgba(234, 224, 213, 0.75) 50%,
    rgba(34, 51, 59, 0.3) 100%
  );
  z-index: calc(var(--z-base) + 1);
}

.banner-content {
  position: relative;
  z-index: calc(var(--z-base) + 2);
  text-align: center;
  padding: var(--space-xl) var(--space-md);
  max-width: 800px;
  margin: 0 auto;
  background: rgba(234, 224, 213, 0.85);
  border-radius: var(--radius-md);
  backdrop-filter: blur(5px);
}

.banner-title {
  font-family: var(--font-primary);
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 300;
  font-style: italic;
  color: var(--color-secondary);
  margin-bottom: var(--space-lg);
  text-shadow: 2px 2px 4px rgba(234, 224, 213, 0.5);
}

.banner-subtitle {
  font-family: var(--font-secondary);
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* Thread-tracing animation */
@keyframes threadTrace {
  0% {
    stroke-dashoffset: 1000;
    opacity: 0;
  }
  50% {
    opacity: 1;
  }
  100% {
    stroke-dashoffset: 0;
    opacity: 1;
  }
}

.thread-border {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: calc(var(--z-base) + 1);
}

.thread-border svg {
  width: 100%;
  height: 100%;
}

.thread-border path {
  stroke: var(--color-accent);
  stroke-width: 2;
  fill: none;
  stroke-dasharray: 1000;
  stroke-dashoffset: 1000;
  animation: threadTrace 3s ease-in-out forwards;
}

/* ============================================
   MAIN CONTENT & SECTIONS
   ============================================ */

main {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--space-xl) var(--space-md);
}

.content-section {
  margin-bottom: var(--space-xxl);
  padding: var(--space-xl) 0;
  position: relative;
}

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

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 1px;
  background: var(--color-accent);
}

/* Grid Layouts */
.grid-container {
  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;
}

.grid-item {
  position: relative;
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.grid-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

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

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

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

.grid-text {
  font-size: 0.9rem;
  color: var(--color-secondary);
  opacity: 0.8;
}

/* Micro-zoom effect */
.zoom-container {
  position: relative;
  overflow: hidden;
  cursor: crosshair;
}

.zoom-lens {
  position: absolute;
  width: 200px;
  height: 200px;
  border: 3px solid var(--color-accent);
  border-radius: var(--radius-full);
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-base);
  z-index: var(--z-modal);
  box-shadow: var(--shadow-glow);
}

.zoom-container:hover .zoom-lens {
  opacity: 1;
}

.zoom-result {
  position: absolute;
  width: 400px;
  height: 400px;
  border: 2px solid var(--color-accent);
  border-radius: var(--radius-md);
  overflow: hidden;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-base);
  z-index: var(--z-modal);
  box-shadow: var(--shadow-lg);
  background: var(--color-white);
}

.zoom-container:hover .zoom-result {
  opacity: 1;
}

.zoom-result img {
  width: 800px;
  height: 800px;
  object-fit: cover;
}

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

.form-container {
  max-width: 600px;
  margin: 0 auto;
  background: var(--color-white);
  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: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-sm);
  color: var(--color-secondary);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-md);
  border: 1px solid rgba(34, 51, 59, 0.2);
  border-radius: var(--radius-sm);
  font-family: var(--font-secondary);
  font-size: 1rem;
  color: var(--color-secondary);
  background: var(--color-primary);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(0, 128, 128, 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-lg);
}

.checkbox-input {
  width: 20px;
  height: 20px;
  margin-top: 2px;
  cursor: pointer;
}

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

.btn {
  display: inline-block;
  padding: var(--space-md) var(--space-xl);
  font-family: var(--font-secondary);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-white);
  background: var(--color-accent);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition-base), transform var(--transition-fast), box-shadow var(--transition-base);
  text-align: center;
  margin-top: 10px;
}

.btn:hover {
  background: var(--color-highlight);
  color: black;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn:active {
  transform: translateY(0);
}

.btn-secondary {
  background: var(--color-secondary);
}

.btn-secondary:hover {
  background: var(--color-highlight);
  color: black;
}

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

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

.product-card {
  background: var(--color-white);
  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(-8px);
  box-shadow: var(--shadow-lg);
}

.product-image {
  width: 100%;
  height: 300px;
  object-fit: cover;
  display: block;
}

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

.product-title {
  font-family: var(--font-primary);
  font-size: 1.75rem;
  margin-bottom: var(--space-sm);
  color: var(--color-secondary);
}

.product-description {
  font-size: 0.95rem;
  color: var(--color-secondary);
  opacity: 0.8;
  margin-bottom: var(--space-md);
}

.product-price {
  font-family: var(--font-secondary);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-accent);
}

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

.map-container {
  width: 100%;
  height: 400px;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  margin-top: var(--space-lg);
}

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

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

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

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

.footer-link {
  display: block;
  color: var(--color-primary);
  opacity: 0.8;
  margin-bottom: var(--space-sm);
  transition: opacity var(--transition-base);
}

.footer-link:hover {
  opacity: 1;
}

.footer-contact-info {
  color: var(--color-primary);
  opacity: 0.8;
  margin-bottom: var(--space-sm);
}

.footer-bottom {
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(234, 224, 213, 0.2);
  text-align: center;
  font-size: 0.9rem;
  opacity: 0.7;
}

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

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

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

@media (max-width: 768px) {
  html {
    font-size: 14px;
  }
  
  .hero-banner {
    min-height: 50vh;
  }
  
  .grid-container {
    grid-template-columns: 1fr;
  }
  
  .product-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-container {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  html {
    font-size: 12px;
  }
  
  .header-container {
    padding: var(--space-md) 0;
  }
  
  .form-container {
    padding: var(--space-lg);
  }
  
  .content-section {
    padding: var(--space-lg) 0;
  }
}

@media (min-width: 1400px) {
  .container {
    padding: 0 var(--space-xl);
  }
}

/* ============================================
   ANIMATIONS & EFFECTS
   ============================================ */

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.6s ease-out forwards;
}

/* Parallax effect for fabric texture */
.parallax-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 120%;
  background-image: 
    repeating-linear-gradient(
      45deg,
      transparent,
      transparent 10px,
      rgba(34, 51, 59, 0.01) 10px,
      rgba(34, 51, 59, 0.01) 20px
    );
  pointer-events: none;
  z-index: -1;
  will-change: transform;
}

/* Glassmorphism */
.glass-effect {
  background: rgba(234, 224, 213, 0.7);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(34, 51, 59, 0.1);
}

/* Loading states */
.loading {
  opacity: 0.5;
  pointer-events: none;
}

/* Accessibility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Focus styles for accessibility */
*:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Utility classes for content pages */
.content-wrapper {
  max-width: 900px;
  margin: 0 auto;
}

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

.content-box h2 {
  font-family: var(--font-primary);
  font-size: 1.75rem;
  margin-bottom: var(--space-md);
  margin-top: var(--space-lg);
}

.content-box ul {
  margin-left: var(--space-lg);
  margin-bottom: var(--space-md);
}

.content-box li {
  margin-bottom: var(--space-xs);
}

.date-text {
  text-align: center;
  color: var(--color-secondary);
  opacity: 0.7;
  margin-bottom: var(--space-xl);
}

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

.contact-info-box h3 {
  font-family: var(--font-primary);
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}

.contact-info-box p {
  color: var(--color-secondary);
  opacity: 0.8;
  margin-bottom: var(--space-sm);
}

.contact-info-box a {
  color: var(--color-accent);
}

.success-box {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
  background: var(--color-white);
  padding: var(--space-xxl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

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

.success-title {
  font-family: var(--font-primary);
  font-size: 2.5rem;
  margin-bottom: var(--space-md);
  color: var(--color-secondary);
}

.success-text {
  font-size: 1.1rem;
  color: var(--color-secondary);
  opacity: 0.8;
  margin-bottom: var(--space-xl);
}

.button-group {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

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

.min-height-section {
  min-height: 60vh;
}

.info-text {
  color: var(--color-secondary);
  opacity: 0.8;
}

.info-text-accent {
  font-size: 0.85rem;
  color: var(--color-accent);
  margin-top: var(--space-sm);
}

.info-text-secondary {
  font-size: 0.9rem;
  margin-top: var(--space-md);
  color: var(--color-secondary);
  opacity: 0.7;
}

.section-intro {
  max-width: 800px;
  margin: 0 auto var(--space-xl);
  text-align: center;
}

.text-center-btn {
  text-align: center;
  margin-top: var(--space-xl);
}

.grid-two-columns {
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: start;
}

@media (max-width: 768px) {
  .grid-two-columns {
    grid-template-columns: 1fr;
  }
}