/* ============================================
   CSS Variables & Root Styles
   ============================================ */
:root {
  /* Colors */
  --color-primary: #2E3540;
  --color-secondary: #E0C9A6;
  --color-accent: #A9746E;
  --color-base: #F4F5F7;
  --color-highlight: #C16A3A;
  --color-text: #2E3540;
  --color-text-light: #6B7280;
  --color-white: #FFFFFF;
  --color-border: #E5E7EB;
  
  /* Typography */
  --font-heading: 'Inter Tight', sans-serif;
  --font-body: 'Nunito', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  
  /* Layout */
  --container-max: 1200px;
  --container-padding: 1rem;
  
  /* Borders & Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --border-width: 1px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Z-index layers */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal: 1040;
  --z-popup: 1050;
}

/* ============================================
   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: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  transition: all var(--transition-base);
}

input,
textarea,
select {
  font-family: inherit;
  font-size: inherit;
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-md);
  color: var(--color-primary);
}

h1 {
  font-size: clamp(1.75rem, 5vw, var(--font-size-4xl));
}

h2 {
  font-size: clamp(1.5rem, 4vw, var(--font-size-3xl));
}

h3 {
  font-size: clamp(1.25rem, 3vw, var(--font-size-2xl));
}

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

/* ============================================
   Container & Layout
   ============================================ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section {
  padding: var(--space-xl) 0;
}

.section-large {
  padding: var(--space-2xl) 0;
}

/* ============================================
   Header
   ============================================ */
.header-wrapper {
  background-color: var(--color-primary);
  color: var(--color-white);
  position: relative;
  transition: transform var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--container-padding);
}

.header-wrapper.hidden {
  transform: translateY(-100%);
}

.header-container {
  display: flex;
  align-items: center;
  flex: 0 0 auto;
}

.brand-text {
  font-family: var(--font-heading);
  font-size: clamp(1.25rem, 3vw, 1.5rem);
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: -0.02em;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  width: 28px;
  height: 28px;
  padding: 4px;
  z-index: var(--z-fixed);
}

.nav-toggle span {
  width: 100%;
  height: 2px;
  background-color: var(--color-white);
  transition: all var(--transition-base);
  transform-origin: center;
}

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

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

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

.nav-menu {
  position: static;
  width: auto;
  height: auto;
  background-color: transparent;
  padding: 0;
  transition: none;
  z-index: auto;
  overflow: visible;
  flex: 0 0 auto;
}

.nav-menu.active {
  right: auto;
}

.nav-list {
  list-style: none;
  display: flex;
  flex-direction: row;
  gap: 15px;
  margin-top: 0;
  align-items: center;
}

.nav-link {
  color: var(--color-white);
  font-size: var(--font-size-base);
  font-weight: 500;
  padding: var(--space-sm) var(--space-md);
  display: block;
  border-bottom: none;
  transition: color var(--transition-fast);
  white-space: nowrap;
}

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

.nav-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  z-index: calc(var(--z-modal) - 1);
}

.nav-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-block;
  padding: var(--space-md) var(--space-lg);
  font-size: var(--font-size-base);
  font-weight: 600;
  text-align: center;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  cursor: pointer;
  border: none;
}

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

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

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

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

.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

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

/* ============================================
   Cards
   ============================================ */
.card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  height: 100%;
  display: flex;
  flex-direction: column;
}

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

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

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

.card-description {
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
  flex-grow: 1;
}

.card-price {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-highlight);
  margin-top: auto;
}

/* ============================================
   Grid Layouts
   ============================================ */
.grid {
  display: grid;
  gap: var(--space-lg);
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

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

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.hero-title {
  color: var(--color-primary);
  margin-bottom: var(--space-lg);
}

.hero-description {
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
  margin-bottom: var(--space-xl);
}

.hero-image {
  width: 100%;
  max-width: 800px;
  margin: var(--space-xl) auto 0;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
}

/* ============================================
   Filter System
   ============================================ */
.filter-section {
  background-color: var(--color-base);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-xl);
}

.filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.filter-label {
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
  display: block;
}

.filter-select {
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-white);
  color: var(--color-text);
  font-size: var(--font-size-base);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-select:hover,
.filter-select:focus {
  border-color: var(--color-highlight);
  outline: none;
}

.filter-reset {
  margin-top: var(--space-md);
}

/* ============================================
   Forms
   ============================================ */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  transition: all var(--transition-fast);
  font-family: inherit;
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-highlight);
  box-shadow: 0 0 0 3px rgba(193, 106, 58, 0.1);
}

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

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

.form-checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  cursor: pointer;
}

.form-checkbox label {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  cursor: pointer;
}

.form-submit {
  width: 100%;
  margin-top: var(--space-lg);
}

/* ============================================
   Map Container
   ============================================ */
.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
   ============================================ */
.footer-wrapper {
  background-color: 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(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.footer-menu {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
  justify-content: center;
  margin-bottom: var(--space-lg);
}

.footer-link {
  color: var(--color-white);
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}

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

.footer-copyright {
  text-align: center;
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.7);
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

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

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

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

.privacy-popup-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
}

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

.privacy-popup-btn {
  flex: 1;
  min-width: 120px;
  padding: var(--space-sm) var(--space-md);
  font-size: var(--font-size-sm);
}

/* ============================================
   Texture Swatches
   ============================================ */
.swatch-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
  margin: var(--space-xl) 0;
}

.swatch-item {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: all var(--transition-base);
  cursor: pointer;
}

.swatch-item:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-lg);
}

.swatch-image {
  width: 100%;
  height: 150px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
}

.swatch-name {
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.swatch-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

/* ============================================
   Room Planner (Interactive)
   ============================================ */
.planner-container {
  background-color: var(--color-base);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin: var(--space-xl) 0;
}

.planner-canvas {
  width: 100%;
  min-height: 500px;
  background-color: var(--color-white);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-md);
  position: relative;
  margin: var(--space-lg) 0;
}

.planner-tools {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.planner-tool-item {
  padding: var(--space-sm) var(--space-md);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: move;
  transition: all var(--transition-fast);
}

.planner-tool-item:hover {
  border-color: var(--color-highlight);
  background-color: var(--color-secondary);
}

/* ============================================
   Video Container
   ============================================ */
.video-container {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  margin: var(--space-xl) 0;
}

.video-iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* ============================================
   Before/After Comparison
   ============================================ */
.comparison-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
  margin: var(--space-xl) 0;
}

.comparison-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

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

.comparison-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
  color: var(--color-white);
  padding: var(--space-md);
  font-weight: 600;
}

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

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

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

.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);
}

.hidden {
  display: none;
}

.visible {
  display: block;
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 768px) {
  :root {
    --container-padding: 1rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
  }
  
  .header-wrapper {
    display: block;
    padding: 0;
  }
  
  .header-container {
    padding: var(--space-md) var(--container-padding);
    max-width: var(--container-max);
    margin: 0 auto;
    justify-content: space-between;
  }
  
  .nav-toggle {
      z-index: 10000;
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background-color: var(--color-primary);
    padding: var(--space-xl) var(--space-lg);
    transition: right var(--transition-base);
    z-index: var(--z-modal);
    overflow-y: auto;
    margin-left: 0;
  }
  
  .nav-menu.active {
    right: 0;
  }
  
  .nav-list {
    flex-direction: column;
    gap: var(--space-lg);
    margin-top: var(--space-xl);
    align-items: flex-start;
  }
  
  .nav-link {
    font-size: var(--font-size-lg);
    padding: var(--space-sm) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    width: 100%;
  }
  
  .nav-overlay {
    display: block;
  }
  
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
  
  .filter-group {
    flex-direction: column;
  }
  
  .filter-select {
    width: 100%;
  }
  
  .footer-menu {
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
  }
  
  .privacy-popup {
    left: var(--space-md);
    right: var(--space-md);
    bottom: var(--space-md);
  }
  
  .swatch-grid {
    grid-template-columns: 1fr;
  }
  
  .comparison-container {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  :root {
    --font-size-base: 0.9375rem;
    --space-lg: 1.5rem;
  }
  
  .hero-section {
    padding: var(--space-xl) 0;
  }
  
  .section {
    padding: var(--space-lg) 0;
  }
  
  .card {
    padding: var(--space-md);
  }
  
  .map-container {
    height: 300px;
  }
}

@media (max-width: 320px) {
  :root {
    --container-padding: 0.75rem;
    --space-md: 0.75rem;
  }
  
  .nav-menu {
    width: 100%;
  }
  
  .btn {
    padding: var(--space-sm) var(--space-md);
    font-size: var(--font-size-sm);
  }
}

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

.fade-in {
  animation: fadeIn var(--transition-base) ease-out;
}

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

.error-code {
  font-size: clamp(4rem, 15vw, 8rem);
  font-weight: 700;
  color: var(--color-highlight);
  margin-bottom: var(--space-md);
}

.error-message {
  font-size: var(--font-size-xl);
  color: var(--color-text-light);
  margin-bottom: var(--space-xl);
}

/* ============================================
   Thank You Page
   ============================================ */
.thank-you-section {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-2xl) var(--container-padding);
  background: linear-gradient(135deg, var(--color-base) 0%, var(--color-secondary) 100%);
}

.thank-you-icon {
  font-size: 4rem;
  color: var(--color-highlight);
  margin-bottom: var(--space-lg);
}

.thank-you-title {
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.thank-you-message {
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
  max-width: 600px;
  margin: 0 auto var(--space-xl);
}