/* ============================================
   FOSSIL & MINERAL DECOR SOURCING - STYLES
   Archeological Futurism Design System
   ============================================ */

:root {
  /* Color Palette - Archeological Futurism */
  --color-basalt-black: #0A0A0A;
  --color-raw-quartz: #E5E4E2;
  --color-amethyst-haze: #6D5BBA;
  --color-oxidized-copper: #708238;
  
  /* Typography */
  --font-primary: 'Inter', sans-serif;
  --font-secondary: 'Space Grotesk', sans-serif;
  
  /* 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;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Shadows */
  --shadow-glow: 0 0 20px rgba(109, 91, 186, 0.3);
  --shadow-glow-strong: 0 0 40px rgba(109, 91, 186, 0.5);
  --shadow-deep: 0 10px 40px rgba(0, 0, 0, 0.5);
}

/* ============================================
   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-primary);
  background-color: var(--color-basalt-black);
  color: var(--color-raw-quartz);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

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

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

h1 {
  font-size: clamp(1.5rem, 4vw, 3rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.3rem, 3vw, 2rem);
  letter-spacing: -0.01em;
}

h3 {
  font-size: clamp(1.1rem, 2vw, 1rem);
}

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

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

a:hover {
  color: var(--color-amethyst-haze);
}

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

.site-header {
  position: relative;
  width: 100%;
  padding: var(--space-lg) var(--space-md);
  z-index: 1000;
  background: transparent;
}

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

.brand-text {
  font-family: var(--font-secondary);
  font-size: clamp(1rem, 2vw, 1.35rem);
  font-weight: 600;
  color: var(--color-raw-quartz);
  text-transform: uppercase;
  flex: 1;
}

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

.nav-menu li a {
  font-size: clamp(0.875rem, 2vw, 1rem);
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-base);
  white-space: nowrap;
}

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

.menu-toggle {
  display: block;
  background: transparent;
  border: 1px solid var(--color-oxidized-copper);
  color: var(--color-raw-quartz);
  padding: var(--space-sm) var(--space-md);
  cursor: pointer;
  font-size: 1.25rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
  min-width: 44px;
  height: 44px;
  flex-shrink: 0;
}

.menu-toggle:hover {
  border-color: var(--color-amethyst-haze);
  box-shadow: var(--shadow-glow);
}

.menu-toggle:focus {
  outline: 2px solid var(--color-amethyst-haze);
  outline-offset: 2px;
}

/* Mobile Navigation */
@media (max-width: 1023px) {
  .nav-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(10px);
    flex-direction: column;
    padding: var(--space-xxl) var(--space-lg);
    gap: var(--space-lg);
    z-index: 9999;
    transform: translateX(100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    justify-content: center;
    align-items: center;
    overflow-y: auto;
  }
  
  .nav-menu.active {
    transform: translateX(0);
    opacity: 1;
    visibility: visible;
  }
  
  .nav-menu li a {
    font-size: clamp(1.25rem, 3vw, 1.5rem);
    padding: var(--space-md) var(--space-lg);
  }
}

@media (min-width: 1024px) {
  .menu-toggle {
    display: none;
  }
}

/* ============================================
   HERO BANNERS (FULL-WIDTH)
   ============================================ */

.hero-banner {
  width: 100vw;
  position: relative;
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-left: calc(-50vw + 50%);
  margin-right: calc(-50vw + 50%);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
  opacity: 0.3;
  pointer-events: none;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    to bottom,
    rgba(10, 10, 10, 0.8) 0%,
    rgba(10, 10, 10, 0.95) 100%
  );
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  padding: var(--space-xl) var(--space-md);
  max-width: 900px;
  margin: 0 auto;
}

.hero-content h1 {
  margin-bottom: var(--space-lg);
  text-shadow: 0 0 30px rgba(109, 91, 186, 0.5);
}

.hero-content p {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  margin-bottom: var(--space-xl);
  opacity: 0.9;
}

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

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;
  text-align: center;
}

.section-title {
  text-align: center;
  margin-bottom: var(--space-xl);
  position: relative;
  padding-bottom: var(--space-md);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 2px;
  background: linear-gradient(
    to right,
    transparent,
    var(--color-amethyst-haze),
    transparent
  );
}

.section-content {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

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

/* ============================================
   GEOLOGICAL TIME SLIDER
   ============================================ */

.time-slider-container {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(10, 10, 10, 0.95);
  border-top: 1px solid var(--color-oxidized-copper);
  padding: var(--space-md);
  z-index: 999;
  backdrop-filter: blur(10px);
}

.time-slider-wrapper {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
  justify-content: center;
}

.time-slider-label {
  font-size: clamp(0.75rem, 2vw, 0.875rem);
  color: var(--color-raw-quartz);
  opacity: 0.7;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.time-slider {
  flex: 1;
  min-width: 200px;
  max-width: 600px;
  height: 4px;
  background: var(--color-oxidized-copper);
  border-radius: var(--radius-sm);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

.time-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  background: var(--color-amethyst-haze);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: var(--shadow-glow);
  transition: all var(--transition-base);
}

.time-slider::-webkit-slider-thumb:hover {
  box-shadow: var(--shadow-glow-strong);
  transform: scale(1.2);
}

.time-slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  background: var(--color-amethyst-haze);
  border-radius: 50%;
  cursor: pointer;
  border: none;
  box-shadow: var(--shadow-glow);
  transition: all var(--transition-base);
}

.time-slider::-moz-range-thumb:hover {
  box-shadow: var(--shadow-glow-strong);
  transform: scale(1.2);
}

.era-display {
  font-size: clamp(0.875rem, 2vw, 1rem);
  color: var(--color-raw-quartz);
  min-width: 120px;
  text-align: center;
  font-weight: 600;
}

/* ============================================
   PRODUCT GRID
   ============================================ */

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
  margin: var(--space-xl) auto;
  max-width: 1200px;
  justify-items: center;
}

.image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
  margin: var(--space-xl) auto;
  max-width: 1200px;
  justify-items: center;
}

.image-grid-item {
  width: 100%;
  max-width: 400px;
  background: rgba(229, 228, 226, 0.05);
  border: 1px solid var(--color-oxidized-copper);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  transition: all var(--transition-base);
  text-align: center;
}

.image-grid-item:hover {
  border-color: var(--color-amethyst-haze);
  box-shadow: var(--shadow-glow);
  transform: translateY(-5px);
}

.image-grid-item img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-md);
  box-shadow: var(--shadow-deep);
}

.image-grid-item h3 {
  margin-bottom: var(--space-sm);
  color: var(--color-raw-quartz);
}

.image-grid-item p {
  margin: 0;
  opacity: 0.8;
  font-size: clamp(0.875rem, 2vw, 1rem);
}

.product-card {
  background: rgba(229, 228, 226, 0.05);
  border: 1px solid var(--color-oxidized-copper);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    135deg,
    rgba(109, 91, 186, 0.1) 0%,
    transparent 100%
  );
  opacity: 0;
  transition: opacity var(--transition-base);
}

.product-card:hover {
  border-color: var(--color-amethyst-haze);
  box-shadow: var(--shadow-glow);
  transform: translateY(-5px);
}

.product-card:hover::before {
  opacity: 1;
}

.product-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-md);
  box-shadow: var(--shadow-deep);
}

.product-title {
  font-size: clamp(1.125rem, 2.5vw, 1.5rem);
  margin-bottom: var(--space-sm);
  color: var(--color-raw-quartz);
}

.product-description {
  font-size: clamp(0.875rem, 2vw, 1rem);
  margin-bottom: var(--space-md);
  opacity: 0.8;
  line-height: 1.6;
}

.product-price {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  color: var(--color-amethyst-haze);
  font-weight: 600;
  margin-top: var(--space-md);
}

/* ============================================
   PROVENANCE GALLERY
   ============================================ */

.provenance-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
  margin: var(--space-xl) auto;
  max-width: 1200px;
  justify-items: center;
}

.provenance-item {
  background: rgba(229, 228, 226, 0.03);
  border: 1px solid var(--color-oxidized-copper);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  position: relative;
  overflow: hidden;
}

.provenance-image {
  width: 100%;
  height: 300px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-md);
  box-shadow: var(--shadow-deep);
}

.provenance-age {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  color: var(--color-amethyst-haze);
  font-weight: 700;
  margin-bottom: var(--space-sm);
  text-shadow: var(--shadow-glow);
}

.provenance-location {
  font-size: clamp(0.875rem, 2vw, 1rem);
  color: var(--color-raw-quartz);
  opacity: 0.7;
  font-style: italic;
  margin-bottom: var(--space-md);
}

/* ============================================
   STAGING GALLERY
   ============================================ */

.staging-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-xl);
  margin: var(--space-xl) auto;
  max-width: 1200px;
  justify-items: center;
}

.staging-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-oxidized-copper);
}

.staging-image {
  width: 100%;
  height: 400px;
  object-fit: cover;
  display: block;
}

.staging-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(
    to top,
    rgba(10, 10, 10, 0.95) 0%,
    transparent 100%
  );
  padding: var(--space-lg);
  transform: translateY(100%);
  transition: transform var(--transition-base);
}

.staging-item:hover .staging-overlay {
  transform: translateY(0);
}

.staging-caption {
  color: var(--color-raw-quartz);
  font-size: clamp(0.875rem, 2vw, 1rem);
}

/* ============================================
   COMMISSION FORM
   ============================================ */

.commission-form {
  max-width: 800px;
  margin: var(--space-xl) auto;
  background: rgba(229, 228, 226, 0.05);
  border: 1px solid var(--color-oxidized-copper);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
}

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

.form-label {
  display: block;
  margin-bottom: var(--space-sm);
  color: var(--color-raw-quartz);
  font-size: clamp(0.875rem, 2vw, 1rem);
  font-weight: 500;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--space-md);
  background: rgba(229, 228, 226, 0.05);
  border: 1px solid var(--color-oxidized-copper);
  border-radius: var(--radius-sm);
  color: var(--color-raw-quartz);
  font-family: var(--font-primary);
  font-size: clamp(0.875rem, 2vw, 1rem);
  transition: all var(--transition-base);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-amethyst-haze);
  box-shadow: var(--shadow-glow);
}

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

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

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

.form-checkbox-label {
  font-size: clamp(0.75rem, 2vw, 0.875rem);
  line-height: 1.5;
  color: var(--color-raw-quartz);
  opacity: 0.8;
}

.btn-primary {
  display: inline-block;
  padding: var(--space-md) var(--space-xl);
  background: transparent;
  border: 2px solid var(--color-amethyst-haze);
  color: var(--color-raw-quartz);
  font-family: var(--font-secondary);
  font-size: clamp(0.875rem, 2vw, 1rem);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
  text-align: center;
  width: 100%;
  max-width: 300px;
  margin: var(--space-lg) auto 0;
}

.btn-primary:hover {
  background: var(--color-amethyst-haze);
  color: var(--color-basalt-black);
  box-shadow: var(--shadow-glow-strong);
  transform: translateY(-2px);
}

/* ============================================
   CONTACT PAGE
   ============================================ */

.contact-container {
  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);
}

.contact-item {
  padding: var(--space-lg);
  background: rgba(229, 228, 226, 0.05);
  border: 1px solid var(--color-oxidized-copper);
  border-radius: var(--radius-md);
}

.contact-item h3 {
  color: var(--color-amethyst-haze);
  margin-bottom: var(--space-sm);
  font-size: clamp(1rem, 2.5vw, 1.25rem);
}

.contact-item p {
  margin: 0;
  opacity: 0.8;
}

.map-container {
  grid-column: 1 / -1;
  margin-top: var(--space-lg);
}

.map-iframe {
  width: 100%;
  height: 400px;
  border: 1px solid var(--color-oxidized-copper);
  border-radius: var(--radius-md);
}

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

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

.site-footer {
  background: rgba(10, 10, 10, 0.95);
  border-top: 1px solid var(--color-oxidized-copper);
  padding: var(--space-xl) var(--space-md);
  margin-top: var(--space-xxl);
}

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

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

.footer-menu li a {
  font-size: clamp(0.75rem, 2vw, 0.875rem);
  opacity: 0.7;
  transition: opacity var(--transition-base);
}

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

.footer-copyright {
  font-size: clamp(0.75rem, 2vw, 0.875rem);
  opacity: 0.5;
}

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

.privacy-popup {
  position: fixed;
  bottom: 100px;
  left: var(--space-md);
  right: var(--space-md);
  max-width: 500px;
  background: rgba(10, 10, 10, 0.98);
  border: 1px solid var(--color-oxidized-copper);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  z-index: 10000;
  box-shadow: var(--shadow-deep);
  transform: translateY(150%);
  transition: transform var(--transition-slow);
}

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

.privacy-popup p {
  margin-bottom: var(--space-md);
  font-size: clamp(0.75rem, 2vw, 0.875rem);
  line-height: 1.6;
}

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

.btn-accept,
.btn-decline {
  flex: 1;
  min-width: 120px;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-oxidized-copper);
  background: transparent;
  color: var(--color-raw-quartz);
  font-family: var(--font-primary);
  font-size: clamp(0.75rem, 2vw, 0.875rem);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
}

.btn-accept {
  border-color: var(--color-amethyst-haze);
}

.btn-accept:hover {
  background: var(--color-amethyst-haze);
  color: var(--color-basalt-black);
}

.btn-decline:hover {
  border-color: var(--color-raw-quartz);
}

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

.thank-you-container {
  text-align: center;
  max-width: 600px;
  margin: var(--space-xxl) auto;
  padding: var(--space-xl);
}

.thank-you-icon {
  font-size: 4rem;
  color: var(--color-amethyst-haze);
  margin-bottom: var(--space-lg);
  text-shadow: var(--shadow-glow);
}

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

.thank-you-message {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  opacity: 0.9;
  line-height: 1.8;
}

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

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

.error-code {
  font-size: clamp(4rem, 10vw, 8rem);
  color: var(--color-amethyst-haze);
  font-weight: 700;
  text-shadow: var(--shadow-glow);
  margin-bottom: var(--space-lg);
}

.error-message {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  margin-bottom: var(--space-lg);
}

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

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

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

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

.date {
  font-size: clamp(0.75rem, 2vw, 0.875rem);
  opacity: 0.6;
  font-style: italic;
}

/* ============================================
   RESPONSIVE ADJUSTMENTS
   ============================================ */

@media (max-width: 768px) {
  .hero-banner {
    min-height: 50vh;
  }
  
  .time-slider-container {
    padding: var(--space-sm);
  }
  
  .time-slider-wrapper {
    flex-direction: column;
    gap: var(--space-sm);
  }
  
  .time-slider {
    width: 100%;
  }
  
  main {
    padding: var(--space-lg) var(--space-md);
  }
  
  .content-section {
    margin-bottom: var(--space-xl);
    padding: var(--space-lg) 0;
  }
  
  .product-grid,
  .provenance-grid,
  .staging-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
}

@media (max-width: 480px) {
  html {
    font-size: 14px;
  }
  
  .hero-content {
    padding: var(--space-lg) var(--space-md);
  }
  
  .commission-form {
    padding: var(--space-lg);
  }
  
  .privacy-popup {
    left: var(--space-sm);
    right: var(--space-sm);
    bottom: 80px;
  }
}

@media (max-width: 320px) {
  html {
    font-size: 12px;
  }

  .menu-toggle {
    align-self: flex-end;
  }
}