/* ============================================
   CSS Variables - Design System
   ============================================ */
:root {
  /* Colors - Elegant 2025 Organic Palette */
  --color-primary: #4A5A39; /* Deep Olive Green */
  --color-secondary: #E9E4D8; /* Natural Linen */
  --color-accent: #5D6FA1; /* Plant Dye Indigo */
  --color-clay: #C9A78F; /* Muted Clay */
  --color-gray: #CFCFC8; /* Recycled Gray */
  --color-text: #2C2C2C;
  --color-text-light: #6B6B6B;
  --color-white: #FFFFFF;
  --color-black: #1A1A1A;
  
  /* Typography */
  --font-heading: 'Manrope', sans-serif;
  --font-body: 'Epilogue', sans-serif;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 50%;
  
  /* Shadows - Soft, Organic */
  --shadow-sm: 0 2px 8px rgba(74, 90, 57, 0.08);
  --shadow-md: 0 4px 16px rgba(74, 90, 57, 0.12);
  --shadow-lg: 0 8px 24px rgba(74, 90, 57, 0.15);
  --shadow-soft: 0 2px 12px rgba(201, 167, 143, 0.2);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Layout */
  --max-width: 1200px;
  --header-height: 80px;
}

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

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

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-secondary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

h1 {
  font-size: clamp(2rem, 5vw, 3rem);
}

h2 {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
}

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

h4 {
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
}

p {
  margin-bottom: var(--space-md);
  color: var(--color-text-light);
}

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

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

/* ============================================
   Header & Navigation
   ============================================ */
.site-header {
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
  position: relative;
  z-index: 1000;
  padding: var(--space-md) 0;
}


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

.header-container .menu-toggle {
  order: 2;
}

.brand-text {
  font-family: var(--font-heading);
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
}

.nav-menu {
  display: flex;
  list-style: none;
  align-items: center;
  margin: 0;
  padding: 0;
}

.nav-link {
  color: var(--color-text);
  font-weight: 500;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

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

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  color: var(--color-primary);
  font-size: 1.5rem;
  z-index: 1001;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}

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

/* Desktop Navigation - Show links, hide toggle */
@media (min-width: 769px) {
  .header-container .menu-toggle {
    display: none !important;
  }
  
  .nav-menu > li {
    display: block;
  }
  
  .nav-menu {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    flex-direction: row;
    padding: 0;
    box-shadow: none;
    width: auto;
  }
}

/* ============================================
   Mobile Navigation
   ============================================ */
@media (max-width: 768px) {
  /* Show burger button in header - next to brand name */
  .header-container .menu-toggle {
    display: flex !important;
    visibility: visible !important;
    opacity: 1 !important;
    position: relative !important;
    z-index: 1001;
  }
  
  /* Hide all nav links on mobile by default */
  .nav-menu > li {
    display: none;
  }
  
  /* Mobile dropdown menu overlay */
  .nav-menu {
    position: fixed;
    top: 50px;
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: var(--space-lg);
    box-shadow: var(--shadow-lg);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    gap: var(--space-sm);
    align-items: stretch;
    z-index: 999;
    width: 100%;
    max-height: calc(100vh - var(--header-height));
    overflow-y: auto;
  }
  
  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  /* Show nav links when menu dropdown is active */
  .nav-menu.active > li {
    display: block;
  }
  
  .nav-menu .nav-link {
    display: block;
    padding: var(--space-md);
    text-align: center;
    border-radius: var(--radius-md);
  }
}

/* ============================================
   Main Content
   ============================================ */
.main-content {
  min-height: calc(100vh - 200px);
  padding: var(--space-xl) 0;
}

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

/* ============================================
   Hero Section
   ============================================ */
.hero-section {
  padding: var(--space-2xl) 0;
  text-align: center;
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-white) 100%);
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  margin-bottom: var(--space-lg);
  color: var(--color-primary);
}

.hero-text {
  font-size: clamp(1rem, 2vw, 1.25rem);
  max-width: 800px;
  margin: 0 auto var(--space-xl);
  color: var(--color-text-light);
}

/* ============================================
   Section Styles
   ============================================ */
.content-section {
  padding: var(--space-2xl) 0;
}

.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: 3px;
  background: var(--color-clay);
  border-radius: var(--radius-full);
}

/* ============================================
   Cards & Grids
   ============================================ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.material-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  overflow: hidden;
}

.material-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
}

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

.card-text {
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
}

.material-stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-gray);
}

.stat-item {
  flex: 1;
  min-width: 100px;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: var(--space-xs);
}

.stat-value {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-primary);
}

/* ============================================
   Comparison Tool
   ============================================ */
.comparison-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-xl);
}

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

.comparison-title {
  font-size: 1.75rem;
  margin-bottom: var(--space-lg);
  text-align: center;
  color: var(--color-primary);
}

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

.metric-label {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--space-sm);
  font-weight: 500;
  color: var(--color-text);
}

.metric-bar {
  height: 8px;
  background: var(--color-gray);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
}

.metric-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
}

.metric-value {
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.75rem;
  color: var(--color-white);
  font-weight: 600;
}

/* ============================================
   Process Steps
   ============================================ */
.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-xl);
}

.process-step {
  text-align: center;
  padding: var(--space-lg);
  position: relative;
}

.step-number {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 auto var(--space-md);
  box-shadow: var(--shadow-soft);
}

.step-title {
  font-size: 1.5rem;
  margin-bottom: var(--space-md);
  color: var(--color-primary);
}

.step-description {
  color: var(--color-text-light);
  line-height: 1.7;
}

/* ============================================
   Forms
   ============================================ */
.form-container {
  max-width: 600px;
  margin: var(--space-xl) 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;
  margin-bottom: var(--space-sm);
  font-weight: 500;
  color: var(--color-text);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-md);
  border: 2px solid var(--color-gray);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: all var(--transition-base);
  background: var(--color-white);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(93, 111, 161, 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-md);
}

.checkbox-input {
  margin-top: 4px;
  flex-shrink: 0;
}

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

.btn {
  display: inline-block;
  padding: var(--space-md) var(--space-xl);
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
  text-align: center;
  text-decoration: none;
}

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

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

.btn-block {
  width: 100%;
  display: block;
}

/* ============================================
   Google Maps
   ============================================ */
.map-container {
  width: 100%;
  height: 400px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  margin: var(--space-xl) 0;
}

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

/* ============================================
   Footer
   ============================================ */
.site-footer {
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-xl) 0 var(--space-lg);
  margin-top: var(--space-2xl);
}

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

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

.footer-link {
  color: var(--color-secondary);
  transition: color var(--transition-base);
}

.footer-link:hover {
  color: var(--color-white);
}

.footer-text {
  text-align: center;
  color: var(--color-secondary);
  font-size: 0.9rem;
  margin-top: var(--space-md);
}

/* ============================================
   Privacy Popup
   ============================================ */
.privacy-popup {
  position: fixed;
  bottom: var(--space-md);
  left: var(--space-md);
  right: var(--space-md);
  max-width: 500px;
  background: var(--color-white);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  z-index: 10000;
  transform: translateY(150%);
  opacity: 0;
  transition: all var(--transition-slow);
}

.privacy-popup.active {
  transform: translateY(0);
  opacity: 1;
}

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

.popup-title {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
  color: var(--color-primary);
}

.popup-text {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

.popup-actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.btn-accept {
  background: var(--color-primary);
  color: var(--color-white);
  flex: 1;
  min-width: 120px;
}

.btn-decline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
  flex: 1;
  min-width: 120px;
}

/* ============================================
   Thank You Page
   ============================================ */
.thank-you-section {
  text-align: center;
  padding: var(--space-2xl) 0;
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.thank-you-text {
  font-size: clamp(1rem, 2vw, 1.25rem);
  max-width: 600px;
  margin: 0 auto var(--space-xl);
  color: var(--color-text-light);
}

/* ============================================
   404 Page
   ============================================ */
.error-section {
  text-align: center;
  padding: var(--space-2xl) 0;
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.error-code {
  font-size: clamp(4rem, 10vw, 8rem);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

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

.error-text {
  font-size: clamp(1rem, 2vw, 1.25rem);
  max-width: 600px;
  margin-bottom: var(--space-xl);
  color: var(--color-text-light);
}

/* ============================================
   Policy Pages
   ============================================ */
.policy-content {
  max-width: 800px;
  margin: 0 auto;
  background: var(--color-white);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.policy-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: var(--space-lg);
  color: var(--color-primary);
}

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

.policy-section-title {
  font-size: 1.5rem;
  margin-bottom: var(--space-md);
  color: var(--color-primary);
  margin-top: var(--space-lg);
}

.policy-text {
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: var(--space-md);
}

.policy-list {
  margin-left: var(--space-lg);
  margin-bottom: var(--space-md);
  color: var(--color-text-light);
}

.policy-list li {
  margin-bottom: var(--space-sm);
  line-height: 1.7;
}

.date {
  font-style: italic;
  color: var(--color-text-light);
  font-size: 0.9rem;
  margin-top: var(--space-xl);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-gray);
}

/* ============================================
   Banner Images
   ============================================ */
.banner-image {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  margin: var(--space-xl) 0;
  box-shadow: var(--shadow-md);
}

.image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
  margin: var(--space-xl) 0;
}

.grid-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base);
}

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

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 768px) {
  :root {
    --space-xl: 2rem;
    --space-2xl: 3rem;
  }
  
  .card-grid {
    grid-template-columns: 1fr;
  }
  
  .comparison-container {
    grid-template-columns: 1fr;
  }
  
  .process-steps {
    grid-template-columns: 1fr;
  }
  
  .form-container {
    padding: var(--space-lg);
  }
  
  .privacy-popup {
    left: var(--space-sm);
    right: var(--space-sm);
    padding: var(--space-md);
  }
  
  .footer-menu {
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
  }
}

@media (max-width: 480px) {
  .header-container {
    padding: 0 var(--space-sm);
  }
  
  .main-content {
    padding: var(--space-lg) 0;
  }
  
  .content-section {
    padding: var(--space-lg) 0;
  }
  
  .banner-image {
    height: 250px;
  }
  
  .map-container {
    height: 300px;
  }
}

@media (max-width: 320px) {
  html {
    font-size: 14px;
  }
  
  .container {
    padding: 0 var(--space-sm);
  }
  
  .form-container {
    padding: var(--space-md);
  }
}

/* ============================================
   Utility Classes
   ============================================ */
.text-center {
  text-align: center;
}

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

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

.hidden {
  display: none;
}

.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;
}

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

.two-column-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
  margin-top: var(--space-xl);
}

.subsection-title {
  font-size: 1.75rem;
  margin-bottom: var(--space-md);
  color: var(--color-primary);
}

.subsection-text {
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: var(--space-md);
}

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

.popup-link {
  color: var(--color-accent);
}

.contact-icon {
  background: var(--color-accent);
}

.thank-you-icon {
  margin: 0 auto var(--space-lg);
}

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