/* ============================================
   CERAMICS STUDIO - FUTURISTIC DESIGN SYSTEM
   "The Primordial Lab" - Organic Minimalism + Precision Tech
   ============================================ */

:root {
  /* Color Palette - Terra-Cyber */
  --color-clay-charcoal: #1C1A17;
  --color-raw-sand: #E2DED0;
  --color-glaze-cobalt: #2E5BFF;
  --color-molten-copper: #BF5B30;
  --color-ghost-white: #F8F9FA;
  --color-deep-shadow: rgba(28, 26, 23, 0.8);
  
  /* Typography */
  --font-header: 'Cormorant Garamond', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-xxl: 4rem;
  
  /* Layout */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-blob: 50% 40% 60% 30%;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.4s ease;
  --transition-slow: 0.8s ease;
  
  /* Shadows */
  --shadow-soft: 0 4px 20px rgba(28, 26, 23, 0.1);
  --shadow-medium: 0 8px 40px rgba(28, 26, 23, 0.15);
  --shadow-deep: 0 16px 60px rgba(28, 26, 23, 0.2);
  
  /* Max Widths */
  --max-width-content: 1200px;
  --max-width-text: 800px;
}

/* ============================================
   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-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-clay-charcoal);
  background-color: var(--color-raw-sand);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Tactile Scrolling - Slow, Heavy Resistance */
html {
  scroll-behavior: smooth;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-header);
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-clay-charcoal);
}

h1 {
  font-size: clamp(1.5rem, 4vw, 3rem);
  margin-bottom: var(--space-lg);
}

h2 {
  font-size: clamp(1.2rem, 3vw, 2rem);
  margin-bottom: var(--space-md);
}

h3 {
  font-size: clamp(1rem, 2vw, 1.2rem);
  margin-bottom: var(--space-md);
}

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

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

a:hover {
  color: var(--color-molten-copper);
}

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

.site-header {
  position: relative;
  width: 100%;
  padding: var(--space-lg) var(--space-md);
  background: rgba(242, 241, 222, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid rgba(28, 26, 23, 0.1);
}

.header-container {
  max-width: var(--max-width-content);
  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);
  font-weight: 300;
  color: var(--color-clay-charcoal);
}

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

.nav-menu li {
  position: relative;
}

.nav-menu a {
  font-size: 0.95rem;
  color: var(--color-clay-charcoal);
  padding: var(--space-sm) var(--space-md);
  transition: color var(--transition-fast);
  text-transform: lowercase;
  letter-spacing: 0.05em;
}

.nav-menu a:hover {
  color: var(--color-molten-copper);
}

/* Burger Menu Button - Always Last Element */
.burger-toggle {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  width: 40px;
  height: 40px;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  z-index: 10001;
  margin-left: auto;
}

.burger-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-clay-charcoal);
  transition: all var(--transition-fast);
  transform-origin: center;
}

.burger-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.burger-toggle.active span:nth-child(2) {
  opacity: 0;
}

.burger-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* Mobile Navigation */
@media (max-width: 1023px) {
  .burger-toggle {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--color-ghost-white);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-xxl) var(--space-lg);
    box-shadow: var(--shadow-deep);
    transition: right var(--transition-medium);
    z-index: 1002;
    gap: var(--space-md);
    margin: 0;
  }
  
  .nav-menu.active {
    right: 0;
  }
  
  .nav-menu li {
    width: 100%;
  }
  
  .nav-menu a {
    display: block;
    width: 100%;
    padding: var(--space-md);
    border-bottom: 1px solid rgba(28, 26, 23, 0.1);
  }
  
  .site-header {
    position: relative;
    z-index: 1001;
  }
}

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

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

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

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

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

.banner-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
  filter: grayscale(20%) contrast(1.1);
}

.banner-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: var(--space-xl);
  max-width: var(--max-width-content);
  margin: 0 auto;
  background: rgba(242, 241, 222, 0.85);
  backdrop-filter: blur(20px);
  border-radius: var(--radius-lg);
  margin: var(--space-xl) auto;
}

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

.banner-content p {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-clay-charcoal);
  margin: 0 auto;
}

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

.content-section {
  padding: var(--space-xxl) var(--space-md);
  max-width: var(--max-width-content);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-xxl);
  width: 100%;
  max-width: var(--max-width-text);
}

.section-header h2 {
  position: relative;
  display: inline-block;
  padding-bottom: var(--space-md);
}

.section-header h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 2px;
  background: var(--color-molten-copper);
}

/* Grid Layouts */
.grid-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-xl);
  width: 100%;
  max-width: var(--max-width-content);
  justify-items: center;
}

.grid-item {
  background: var(--color-ghost-white);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
  width: 100%;
  max-width: 400px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.grid-item h3,
.grid-item h4 {
  text-align: center;
  width: 100%;
}

.grid-item p {
  text-align: center;
  width: 100%;
}

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

/* Image Grid */
.image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-md);
  margin: var(--space-xl) 0;
  width: 100%;
  max-width: var(--max-width-content);
  justify-items: center;
}

.image-grid-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  aspect-ratio: 4/3;
  background: var(--color-clay-charcoal);
  width: 100%;
  max-width: 350px;
}

.image-grid-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.image-grid-item:hover img {
  transform: scale(1.05);
}

/* Organic Masking Effect */
.organic-mask {
  clip-path: polygon(30% 0%, 70% 0%, 100% 30%, 100% 70%, 70% 100%, 30% 100%, 0% 70%, 0% 30%);
  transition: clip-path var(--transition-slow);
}

.image-grid-item:hover .organic-mask {
  clip-path: polygon(20% 0%, 80% 0%, 100% 20%, 100% 80%, 80% 100%, 20% 100%, 0% 80%, 0% 20%);
}

/* ============================================
   PRODUCT CARDS
   ============================================ */

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
  margin: var(--space-xl) 0;
}

.product-card {
  background: var(--color-ghost-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

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

.product-image {
  width: 100%;
  height: 300px;
  object-fit: cover;
  background: var(--color-raw-sand);
}

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

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

.product-description {
  color: rgba(28, 26, 23, 0.7);
  margin-bottom: var(--space-md);
  font-size: 0.95rem;
}

.product-price {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-molten-copper);
  margin-top: var(--space-md);
}

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

.contact-section {
  padding: var(--space-xxl) var(--space-md);
  max-width: var(--max-width-content);
  margin: 0 auto;
}

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

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

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

.form-group label {
  display: block;
  margin-bottom: var(--space-sm);
  font-size: 0.9rem;
  color: var(--color-clay-charcoal);
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--space-md);
  border: 1px solid rgba(28, 26, 23, 0.2);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 1rem;
  background: var(--color-raw-sand);
  color: var(--color-clay-charcoal);
  transition: border-color var(--transition-fast);
}

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

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

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

.checkbox-group input[type="checkbox"] {
  width: auto;
  margin-top: 4px;
  cursor: pointer;
}

.checkbox-group label {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.5;
}

.submit-button {
  background: var(--color-glaze-cobalt);
  color: var(--color-ghost-white);
  border: none;
  padding: var(--space-md) var(--space-xl);
  font-size: 1rem;
  font-family: var(--font-body);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast);
  margin-top: var(--space-md);
}

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

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

.contact-info h3 {
  margin-bottom: var(--space-lg);
  color: var(--color-clay-charcoal);
}

.contact-info p {
  margin-bottom: var(--space-md);
  color: rgba(28, 26, 23, 0.7);
}

.contact-info a {
  color: var(--color-glaze-cobalt);
}

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

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

/* ============================================
   SPECIAL PAGES STYLES
   ============================================ */

.science-section {
  padding: var(--space-xxl) var(--space-md);
  max-width: var(--max-width-content);
  margin: 0 auto;
}

.firing-curve {
  background: var(--color-ghost-white);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  margin: var(--space-xl) 0;
  box-shadow: var(--shadow-soft);
}

.curve-chart {
  width: 100%;
  height: 400px;
  background: var(--color-raw-sand);
  border-radius: var(--radius-md);
  margin: var(--space-lg) 0;
  position: relative;
  overflow: hidden;
}

.glaze-library {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
  margin: var(--space-xl) 0;
}

.glaze-tile {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--transition-medium);
}

.glaze-tile:hover {
  transform: scale(1.05);
}

.glaze-tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.glaze-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(28, 26, 23, 0.9);
  color: var(--color-ghost-white);
  padding: var(--space-md);
  transform: translateY(100%);
  transition: transform var(--transition-medium);
}

.glaze-tile:hover .glaze-overlay {
  transform: translateY(0);
}

.process-dashboard {
  background: var(--color-clay-charcoal);
  color: var(--color-ghost-white);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  margin: var(--space-xl) 0;
}

.dashboard-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

.metric-item {
  text-align: center;
  padding: var(--space-md);
  background: rgba(248, 249, 250, 0.1);
  border-radius: var(--radius-md);
}

.metric-value {
  font-size: 2rem;
  font-weight: 600;
  color: var(--color-molten-copper);
  margin-bottom: var(--space-sm);
}

.metric-label {
  font-size: 0.9rem;
  opacity: 0.8;
}

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

.site-footer {
  background: var(--color-clay-charcoal);
  color: var(--color-ghost-white);
  padding: var(--space-xl) var(--space-md);
  margin-top: var(--space-xxl);
}

.footer-container {
  max-width: var(--max-width-content);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-xl);
}

.footer-section h4 {
  font-family: var(--font-header);
  font-size: 1.25rem;
  margin-bottom: var(--space-md);
  color: var(--color-ghost-white);
}

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

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

.footer-menu a {
  color: rgba(248, 249, 250, 0.8);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  text-align: center;
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(248, 249, 250, 0.2);
  font-size: 0.85rem;
  opacity: 0.7;
}

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

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

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

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

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

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

.date {
  font-size: 0.9rem;
  color: rgba(28, 26, 23, 0.6);
  font-style: italic;
}

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

@media (max-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .hero-banner {
    min-height: 50vh;
  }
  
  .banner-content {
    padding: var(--space-lg);
  }
  
  .content-section {
    padding: var(--space-lg) var(--space-md);
  }
  
  .grid-container,
  .product-grid,
  .image-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  html {
    font-size: 14px;
  }
  
  .site-header {
    padding: var(--space-md);
  }
  
  .hero-banner {
    min-height: 40vh;
  }
  
  .banner-content {
    margin: var(--space-md);
    padding: var(--space-md);
  }
}

@media (max-width: 320px) {
  html {
    font-size: 12px;
  }
  
  .content-section {
    padding: var(--space-md) var(--space-sm);
  }
}

/* ============================================
   RIPPLE EFFECT (Micro-interaction)
   ============================================ */

.ripple-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -1;
}

.ripple {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(46, 91, 255, 0.1) 0%, transparent 70%);
  transform: scale(0);
  animation: ripple-animation 2s ease-out;
}

@keyframes ripple-animation {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

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

.privacy-popup {
  position: fixed;
  bottom: var(--space-lg);
  left: var(--space-lg);
  right: var(--space-lg);
  max-width: 500px;
  background: var(--color-ghost-white);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-deep);
  z-index: 2000;
  transform: translateY(150%);
  transition: transform var(--transition-medium);
}

.privacy-popup.show {
  transform: translateY(0);
}

.privacy-popup p {
  margin-bottom: var(--space-md);
  font-size: 0.9rem;
}

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

.privacy-button {
  flex: 1;
  padding: var(--space-sm) var(--space-md);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.9rem;
  transition: background var(--transition-fast);
}

.privacy-button.accept {
  background: var(--color-glaze-cobalt);
  color: var(--color-ghost-white);
}

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

.privacy-button.decline {
  background: transparent;
  color: var(--color-clay-charcoal);
  border: 1px solid rgba(28, 26, 23, 0.2);
}

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

.error-page {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-xxl);
}

.error-code {
  font-size: clamp(4rem, 10vw, 8rem);
  font-weight: 300;
  color: var(--color-molten-copper);
  margin-bottom: var(--space-md);
}

.error-message {
  font-size: clamp(1.25rem, 3vw, 2rem);
  margin-bottom: var(--space-lg);
}

.error-link {
  display: inline-block;
  padding: var(--space-md) var(--space-xl);
  background: var(--color-glaze-cobalt);
  color: var(--color-ghost-white);
  border-radius: var(--radius-sm);
  margin-top: var(--space-lg);
  transition: background var(--transition-fast);
}

.error-link:hover {
  background: var(--color-molten-copper);
}