/* CSS Variables */
:root {
  --color-primary: #1A1A1A;
  --color-secondary: #B38B6D;
  --color-accent: #FCF5E5;
  --color-subtle: #2F4F4F;
  --font-primary: 'Bodoni Moda', serif;
  --font-secondary: 'Space Mono', monospace;
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 4rem;
  --radius-md: 8px;
  --radius-sm: 4px;
  --transition-fast: 0.3s ease;
  --transition-slow: 0.6s ease;
  --shadow-subtle: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-deep: 0 4px 16px rgba(0, 0, 0, 0.5);
}

/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  background-color: var(--color-primary);
  color: var(--color-accent);
  line-height: 1.8;
  letter-spacing: 0.05em;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: 200;
  letter-spacing: 0.1em;
  line-height: 1.4;
  margin-bottom: var(--space-md);
}

h1 {
  font-size: clamp(2rem, 5vw, 4rem);
  letter-spacing: 0.2em;
}

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(0.9rem, 2vw, 1.1rem);
}

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

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

/* Header */
.site-header {
  background-color: rgba(26, 26, 26, 0.98);
  padding: var(--space-md) var(--space-lg);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid rgba(179, 139, 109, 0.2);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  max-width: 100%;
  width: 100%;
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.site-header.hidden {
  transform: translateY(-100%);
  transition: transform var(--transition-fast);
}

.brand-name {
  font-family: var(--font-primary);
  font-size: clamp(1rem, 2vw, 1.45rem);
  font-weight: 200;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  text-transform: uppercase;
}

nav {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 10px;
  align-items: center;
  background-color: rgba(26, 26, 26, 0.95);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(179, 139, 109, 0.2);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.nav-menu li {
  margin: 0;
}

.nav-menu a {
  font-family: var(--font-secondary);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  padding: var(--space-sm);
  transition: color var(--transition-fast);
}

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

.burger-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-secondary);
  color: var(--color-accent);
  padding: var(--space-sm) var(--space-md);
  cursor: pointer;
  font-size: 1.2rem;
  transition: all var(--transition-fast);
  order: 999;
}

.burger-toggle:hover {
  background-color: var(--color-secondary);
  color: var(--color-primary);
}

.burger-toggle.active {
  background-color: var(--color-secondary);
  color: var(--color-primary);
}

/* Mobile Navigation */
@media (max-width: 1023px) {
  .burger-toggle {
    display: block;
  }

  .nav-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: rgba(26, 26, 26, 0.98);
    flex-direction: column;
    padding: 3px;
    gap: var(--space-md);
    border-bottom: 1px solid rgba(179, 139, 109, 0.2);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-fast);
    width: 100%;
    z-index: 999;
    backdrop-filter: blur(10px);
  }

  .nav-menu.active {
    max-height: 500px;
  }

  .nav-menu li {
    width: 100%;
    text-align: center;
  }

  .nav-menu a {
    display: block;
    padding: var(--space-md);
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-fast);
  }

  .nav-menu a:hover {
    background-color: rgba(179, 139, 109, 0.2);
  }
}

/* Main Content */
.main-content {
  min-height: calc(100vh - 200px);
  padding: var(--space-xl) var(--space-lg);
  max-width: 1600px;
  margin: 0 auto;
  width: 100%;
}

/* Negative Space Column Layout */
.content-column {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-lg);
  width: 100%;
}

/* Sections */
.content-section {
  margin-bottom: var(--space-xl);
  opacity: 0;
  animation: crystallize 1s ease forwards;
}

@keyframes crystallize {
  from {
    opacity: 0;
    filter: blur(4px);
  }
  to {
    opacity: 1;
    filter: blur(0);
  }
}

.content-section:nth-child(1) { animation-delay: 0.1s; }
.content-section:nth-child(2) { animation-delay: 0.3s; }
.content-section:nth-child(3) { animation-delay: 0.5s; }
.content-section:nth-child(4) { animation-delay: 0.7s; }
.content-section:nth-child(5) { animation-delay: 0.9s; }

/* Banners */
.banner-container {
  margin-bottom: var(--space-xl);
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

.banner-text {
  padding: var(--space-lg);
  background-color: rgba(26, 26, 26, 0.8);
  border-left: 2px solid var(--color-secondary);
}

.banner-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-deep);
  filter: grayscale(20%) contrast(1.1);
  transition: filter var(--transition-slow);
}

.banner-image:hover {
  filter: grayscale(0%) contrast(1.2);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: var(--space-md) var(--space-lg);
  background-color: transparent;
  border: 1px solid var(--color-secondary);
  color: var(--color-accent);
  font-family: var(--font-secondary);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
  margin-top: 10px;
}

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

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

.btn-primary:hover {
  background-color: var(--color-accent);
  color: var(--color-primary);
}

/* Forms */
.form-container {
  max-width: 700px;
  margin: 0 auto;
  padding: var(--space-lg);
  width: 100%;
}

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

.form-group label {
  display: block;
  margin-bottom: var(--space-sm);
  font-family: var(--font-secondary);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--space-md);
  background-color: rgba(47, 79, 79, 0.3);
  border: 1px solid rgba(179, 139, 109, 0.3);
  color: var(--color-accent);
  font-family: var(--font-secondary);
  font-size: 0.9rem;
  transition: border-color var(--transition-fast);
}

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

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

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

.checkbox-group input[type="checkbox"] {
  width: auto;
  margin-top: 0.3rem;
}

.checkbox-group label {
  margin-bottom: 0;
  font-size: 0.85rem;
}

/* Footer */
.site-footer {
  background-color: rgba(26, 26, 26, 0.95);
  padding: var(--space-xl) var(--space-lg);
  border-top: 1px solid rgba(179, 139, 109, 0.2);
  margin-top: var(--space-xl);
}

.footer-content {
  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 a {
  font-family: var(--font-secondary);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  transition: color var(--transition-fast);
}

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

.copyright {
  font-family: var(--font-secondary);
  font-size: 0.8rem;
  color: rgba(252, 245, 229, 0.6);
  text-align: center;
}

/* Privacy Popup */
.privacy-popup {
  display: none;
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  max-width: 400px;
  background-color: var(--color-primary);
  border: 1px solid var(--color-secondary);
  padding: var(--space-lg);
  z-index: 1000;
  box-shadow: var(--shadow-deep);
}

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

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

.privacy-popup-content p {
  font-size: 0.85rem;
  margin-bottom: var(--space-sm);
}

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

/* Google Maps */
.map-container {
  width: 100%;
  height: 400px;
  margin: var(--space-xl) 0;
  border: 1px solid rgba(179, 139, 109, 0.3);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: none;
  filter: grayscale(50%) contrast(1.1);
}

/* Product Grid */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin: var(--space-xl) 0;
}

.product-card {
  background-color: rgba(26, 26, 26, 0.8);
  border: 1px solid rgba(179, 139, 109, 0.2);
  padding: var(--space-lg);
  transition: all var(--transition-fast);
}

.product-card:hover {
  border-color: var(--color-secondary);
  box-shadow: var(--shadow-subtle);
}

.product-card img {
  width: 100%;
  height: auto;
  margin-bottom: var(--space-md);
  border-radius: var(--radius-sm);
}

.product-title {
  font-size: 1.2rem;
  margin-bottom: var(--space-sm);
  color: var(--color-accent);
}

.product-description {
  font-size: 0.9rem;
  margin-bottom: var(--space-md);
  color: rgba(252, 245, 229, 0.8);
}

.product-price {
  font-family: var(--font-secondary);
  font-size: 1.1rem;
  color: var(--color-secondary);
  font-weight: bold;
}

/* Archive Items */
.archive-item {
  margin-bottom: var(--space-xl);
  padding: var(--space-lg);
  background-color: rgba(26, 26, 26, 0.6);
  border-left: 2px solid var(--color-subtle);
}

.archive-item h3 {
  font-family: var(--font-secondary);
  color: var(--color-secondary);
  margin-bottom: var(--space-md);
}

.archive-property {
  font-family: var(--font-secondary);
  font-size: 0.85rem;
  margin-bottom: var(--space-sm);
  color: rgba(252, 245, 229, 0.7);
}

.archive-property strong {
  color: var(--color-accent);
}

/* Lab Report Style */
.lab-section {
  margin-bottom: var(--space-xl);
  padding: var(--space-lg);
  background-color: rgba(26, 26, 26, 0.6);
  border-top: 1px solid var(--color-subtle);
}

.lab-header {
  font-family: var(--font-secondary);
  font-size: 0.9rem;
  color: var(--color-secondary);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: var(--space-md);
}

.lab-content {
  font-family: var(--font-secondary);
  font-size: 0.9rem;
  line-height: 1.8;
  color: rgba(252, 245, 229, 0.9);
}

.lab-method {
  margin-bottom: var(--space-lg);
  padding-left: var(--space-lg);
  border-left: 2px solid var(--color-subtle);
}

/* Styling Guide */
.styling-principle {
  margin-bottom: var(--space-xl);
  padding: var(--space-lg);
  background-color: rgba(26, 26, 26, 0.6);
}

.styling-principle h3 {
  color: var(--color-secondary);
  margin-bottom: var(--space-md);
}

.styling-principle p {
  color: rgba(252, 245, 229, 0.9);
}

/* Thank You Page */
.thank-you-container {
  text-align: center;
  padding: var(--space-xl);
  max-width: 700px;
  margin: 0 auto;
  width: 100%;
}

.thank-you-container h1 {
  margin-bottom: var(--space-lg);
}

.thank-you-container p {
  font-size: 1.1rem;
  margin-bottom: var(--space-lg);
}

/* 404 Page */
.error-container {
  text-align: center;
  padding: var(--space-xl);
  max-width: 700px;
  margin: 0 auto;
  width: 100%;
}

.error-container h1 {
  font-size: 6rem;
  color: var(--color-secondary);
  margin-bottom: var(--space-md);
}

.error-container h2 {
  margin-bottom: var(--space-lg);
}

/* Policy Pages */
.policy-content {
  max-width: 900px;
  margin: 0 auto;
  padding: var(--space-lg);
  width: 100%;
}

.policy-content h1 {
  margin-bottom: var(--space-lg);
  border-bottom: 1px solid rgba(179, 139, 109, 0.3);
  padding-bottom: var(--space-md);
}

.policy-content h2 {
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
  color: var(--color-secondary);
}

.policy-content p {
  margin-bottom: var(--space-md);
}

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

.policy-content li {
  margin-bottom: var(--space-sm);
}

.date {
  font-family: var(--font-secondary);
  font-size: 0.85rem;
  color: rgba(252, 245, 229, 0.6);
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid rgba(179, 139, 109, 0.2);
}

/* Responsive Design - Desktop First Approach */

/* Large Desktop (1400px and up) */
@media (min-width: 1400px) {
  .content-column {
    max-width: 1400px;
    padding: var(--space-xl);
  }

  .banner-container {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  h1 {
    font-size: 4.5rem;
  }

  h2 {
    font-size: 3rem;
  }

  .banner-text {
    padding: var(--space-xl);
  }
}

/* Desktop (1024px - 1399px) */
@media (min-width: 1024px) and (max-width: 1399px) {
  .content-column {
    max-width: 1000px;
    padding: var(--space-xl);
  }

  .banner-container {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 3.5rem;
  }

  h2 {
    font-size: 2.5rem;
  }
}

/* Tablet (768px - 1023px) */
@media (min-width: 768px) and (max-width: 1023px) {
  .main-content {
    padding: var(--space-lg) var(--space-md);
  }

  .content-column {
    max-width: 100%;
    padding: var(--space-md);
  }

  .banner-container {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .banner-text {
    padding: var(--space-md);
  }

  h1 {
    font-size: 2.5rem;
  }

  h2 {
    font-size: 2rem;
  }

  .form-container {
    padding: var(--space-md);
  }

  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Mobile (481px - 767px) */
@media (min-width: 481px) and (max-width: 767px) {
  .main-content {
    padding: var(--space-md);
  }

  .content-column {
    padding: var(--space-md);
  }

  .banner-text {
    padding: var(--space-md);
  }

  .form-container {
    padding: var(--space-md);
  }

  .privacy-popup {
    bottom: var(--space-md);
    right: var(--space-md);
    left: var(--space-md);
    max-width: none;
  }

  .product-grid {
    grid-template-columns: 1fr;
  }

  .footer-menu {
    flex-wrap: wrap;
    gap: var(--space-md);
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.75rem;
  }
}

/* Small Mobile (320px - 480px) */
@media (max-width: 480px) {
  html {
    font-size: 14px;
  }

  .site-header {
    padding: var(--space-md);
  }

  .main-content {
    padding: var(--space-md) var(--space-sm);
  }

  .content-column {
    padding: var(--space-sm);
  }

  .banner-text {
    padding: var(--space-sm);
  }

  .form-container {
    padding: var(--space-sm);
  }

  .privacy-popup {
    bottom: var(--space-sm);
    right: var(--space-sm);
    left: var(--space-sm);
    max-width: none;
  }

  .product-grid {
    grid-template-columns: 1fr;
  }

  .footer-menu {
    flex-direction: column;
    gap: var(--space-md);
  }

  .map-container {
    height: 300px;
  }

  h1 {
    font-size: 1.75rem;
  }

  h2 {
    font-size: 1.5rem;
  }
}

/* Extra Small Mobile (up to 320px) */
@media (max-width: 320px) {
  html {
    font-size: 12px;
  }

  .site-header {
    padding: var(--space-sm);
  }

  .main-content {
    padding: var(--space-sm);
  }

  .content-column {
    padding: var(--space-xs);
  }

  .banner-text {
    padding: var(--space-xs);
  }

  h1 {
    font-size: 1.5rem;
  }

  h2 {
    font-size: 1.25rem;
  }
}

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

/* Focus States */
a:focus,
button:focus,
input:focus,
textarea:focus {
  outline: 2px solid var(--color-secondary);
  outline-offset: 2px;
}