:root {
  --color-primary: #2B5D34;
  --color-secondary: #F9FBFD;
  --color-text: #2E3A47;
  --color-bg-light: #E6EAF0;
  --color-accent-blue: #68BDF6;
  --color-accent-silver: #AFC6D6;
  --font-primary: 'Inter', sans-serif;
  --font-heading: 'Avenir Next', sans-serif;
  --font-mono: 'Roboto Mono', monospace;
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-xxl: 4rem;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  --shadow-sm: 0 2px 4px rgba(46, 58, 71, 0.1);
  --shadow-md: 0 4px 8px rgba(46, 58, 71, 0.15);
  --shadow-lg: 0 8px 16px rgba(46, 58, 71, 0.2);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-primary);
  color: var(--color-text);
  background-color: var(--color-secondary);
  line-height: 1.6;
  overflow-x: hidden;
}

body.menu-open {
  overflow: hidden;
}

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

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

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

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

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
}

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

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.header-wrapper {
  background-color: var(--color-secondary);
  box-shadow: var(--shadow-sm);
  position: relative;
  z-index: 1000;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md) var(--space-md);
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
}

.brand-name {
  font-family: var(--font-heading);
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.5px;
  order: 1;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  z-index: 1001;
  margin-left: auto;
  order: 2;
}

.nav-toggle-hidden {
  display: none;
}

.nav-toggle-icon {
  width: 28px;
  height: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-around;
}

.nav-toggle-icon span {
  width: 100%;
  height: 3px;
  background-color: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.nav-toggle.active .nav-toggle-icon span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

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

.nav-toggle.active .nav-toggle-icon span:nth-child(3) {
  transform: rotate(-45deg) translate(8px, -8px);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--space-lg);
  align-items: center;
  order: 3;
  position: relative;
}

.nav-menu li a {
  font-size: 1rem;
  font-weight: 500;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast);
}

.nav-menu li a:hover {
  background-color: var(--color-bg-light);
}

.nav-close-item {
  list-style: none;
}

.nav-close {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.75rem;
  color: var(--color-text);
}

.hero-section {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-bg-light) 100%);
  padding: var(--space-xxl) var(--space-md);
  overflow: hidden;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(46, 58, 71, 0.4);
  z-index: 1;
}

.hero-section.hero-home {
  background-image: url('../images/creation_2368839696.webp');
}

.hero-section.hero-gear {
  background-image: url('../images/creation_2368839727.webp');
}

.hero-section.hero-accessories {
  background-image: url('../images/creation_2368839749.webp');
}

.hero-section.hero-materials {
  background-image: url('../images/creation_2368839778.webp');
}

.hero-section.hero-contact {
  background-image: url('../images/creation_2368840166.webp');
}

.hero-content {
  text-align: center;
  z-index: 2;
  max-width: 800px;
  position: relative;
}

.hero-title {
  margin-bottom: var(--space-lg);
  color: var(--color-secondary);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-secondary);
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
  margin-bottom: var(--space-xl);
  opacity: 0.95;
}

.hero-image {
  width: 100%;
  max-width: 900px;
  margin: var(--space-xl) auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.section {
  padding: var(--space-xxl) var(--space-md);
}

.section-title {
  text-align: center;
  margin-bottom: var(--space-xl);
  color: var(--color-text);
}

.section-content {
  max-width: 900px;
  margin: 0 auto;
}

.section-content ul,
.section-content ol {
  margin-left: var(--space-lg);
  padding-left: var(--space-lg);
  list-style-position: outside;
}

.section-content li + li {
  margin-top: var(--space-xs);
}

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

.grid-item {
  background-color: var(--color-secondary);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.grid-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.grid-item-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
}

.grid-item-content {
  padding: var(--space-lg);
}

.grid-item-title {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}

.grid-item-description {
  color: var(--color-text);
  opacity: 0.8;
  font-size: 0.95rem;
}

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

.product-card {
  background-color: var(--color-secondary);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: rotateY(5deg) translateY(-5px);
  box-shadow: var(--shadow-lg);
}

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

.product-info {
  padding: var(--space-lg);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.product-name {
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}

.product-description {
  flex-grow: 1;
  margin-bottom: var(--space-md);
  color: var(--color-text);
  opacity: 0.8;
}

.product-price {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-top: auto;
}

.btn {
  display: inline-block;
  padding: var(--space-md) var(--space-lg);
  background-color: var(--color-accent-silver);
  color: var(--color-text);
  border: none;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
  text-align: center;
}

.btn:hover {
  background-color: var(--color-accent-blue);
  color: var(--color-secondary);
  transform: translateY(-3px);
}

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

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

.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-bg-light);
  border-radius: var(--radius-md);
  font-family: var(--font-primary);
  font-size: 1rem;
  transition: border-color var(--transition-fast);
  background-color: var(--color-secondary);
}

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

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

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

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

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

.error-message {
  color: #d32f2f;
  font-size: 0.875rem;
  margin-top: var(--space-xs);
  display: none;
}

.error-message.show {
  display: block;
}

.map-container {
  width: 100%;
  height: 450px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  margin-top: var(--space-xl);
}

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

.footer-wrapper {
  background-color: var(--color-text);
  color: var(--color-secondary);
  padding: var(--space-xl) var(--space-md);
  margin-top: var(--space-xxl);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
}

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

.footer-menu a {
  color: var(--color-secondary);
  opacity: 0.9;
  transition: opacity var(--transition-fast);
}

.footer-menu a:hover {
  opacity: 1;
  color: var(--color-accent-blue);
}

.footer-copyright {
  text-align: center;
  font-size: 0.9rem;
  opacity: 0.7;
}

.privacy-popup {
  display: none;
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  background-color: var(--color-secondary);
  border: 2px solid var(--color-bg-light);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  max-width: 400px;
  box-shadow: var(--shadow-lg);
  z-index: 10000;
}

.privacy-popup.show {
  display: block;
  animation: slideInUp var(--transition-base);
}

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

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

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

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

.rack-simulator {
  background-color: var(--color-bg-light);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  margin-top: var(--space-xl);
  min-height: 400px;
}

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

.rack-slot {
  background-color: var(--color-secondary);
  border: 2px dashed var(--color-accent-silver);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  min-height: 150px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
  cursor: pointer;
}

.rack-slot:hover {
  border-color: var(--color-accent-blue);
  background-color: rgba(104, 189, 246, 0.1);
}

.rack-slot.occupied {
  border-style: solid;
  border-color: var(--color-primary);
}

.rack-slot.drag-over {
  border-color: var(--color-accent-blue);
  background-color: rgba(104, 189, 246, 0.1);
}

.draggable-item {
  padding: var(--space-md);
  background-color: var(--color-primary);
  color: var(--color-secondary);
  border-radius: var(--radius-md);
  cursor: grab;
  user-select: none;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
  font-weight: 500;
}

.draggable-item:hover {
  transform: scale(1.05);
}

.draggable-item:active {
  cursor: grabbing;
}

.draggable-item.dragging {
  opacity: 0.5;
  transform: scale(0.95);
}

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

.rack-instructions {
  margin-bottom: var(--space-md);
  font-size: 0.9rem;
  color: var(--color-text);
  opacity: 0.8;
}

.rack-layout-title {
  margin-top: var(--space-xl);
}

.tips-list {
  max-width: 700px;
  margin: var(--space-lg) auto;
  line-height: 2;
}

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

.exploded-image {
  width: 100%;
  max-width: 1000px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.component-list-container {
  max-width: 800px;
  margin: var(--space-xl) auto;
  padding: var(--space-lg);
  background-color: var(--color-bg-light);
  border-radius: var(--radius-lg);
}

.component-list-title {
  margin-bottom: var(--space-md);
}

.component-list {
  line-height: 2;
}

.overlay-content {
  text-align: center;
  padding: var(--space-md);
}

.overlay-title {
  color: var(--color-secondary);
  margin-bottom: var(--space-sm);
}

.overlay-text {
  color: var(--color-secondary);
}

.large-text {
  font-size: 1.25rem;
  margin-bottom: var(--space-xl);
}

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

.button-group .btn {
  margin-left: var(--space-md);
}

.button-group .btn:first-child {
  margin-left: 0;
}

.accessory-filter {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  justify-content: center;
  margin-bottom: var(--space-xl);
}

.filter-btn {
  padding: var(--space-sm) var(--space-lg);
  background-color: var(--color-secondary);
  border: 2px solid var(--color-bg-light);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn.active,
.filter-btn:hover {
  background-color: var(--color-primary);
  color: var(--color-secondary);
  border-color: var(--color-primary);
}

.accessory-item {
  position: relative;
  overflow: hidden;
}

.accessory-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(43, 93, 52, 0.9);
  color: var(--color-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-base);
  border-radius: var(--radius-lg);
}

.accessory-item:hover .accessory-overlay {
  opacity: 1;
}

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

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

.material-image {
  width: 100%;
  height: 400px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.material-card:hover .material-image {
  transform: scale(1.1);
}

.material-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(46, 58, 71, 0.95), transparent);
  padding: var(--space-lg);
  color: var(--color-secondary);
  transform: translateY(100%);
  transition: transform var(--transition-base);
}

.material-card:hover .material-info {
  transform: translateY(0);
}

.exploded-view {
  margin-top: var(--space-xxl);
  opacity: 0;
  transform: translateY(50px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.exploded-view.visible {
  opacity: 1;
  transform: translateY(0);
}

.banner-section {
  width: 100%;
  margin: var(--space-xl) 0;
}

.banner-image {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.thankyou-content {
  text-align: center;
  padding: var(--space-xxl) var(--space-md);
  max-width: 600px;
  margin: 0 auto;
}

.error-page {
  text-align: center;
  padding: var(--space-xxl) var(--space-md);
  min-height: 60vh;
  display: flex;
  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);
}

@keyframes slideInUp {
  from {
    transform: translateY(100px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.fade-in {
  animation: fadeIn var(--transition-slow);
}

@media (max-width: 1023px) {
  .nav-toggle {
    display: block;
    margin-left: auto;
    margin-right: 0;
  }

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

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background-color: var(--color-secondary);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-xxl) var(--space-lg);
    box-shadow: var(--shadow-lg);
    transition: right var(--transition-base);
    z-index: 1000;
  }

  .nav-close {
    display: block;
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
  }

  .nav-toggle.nav-toggle-hidden {
    display: none;
  }

  .nav-menu.active {
    right: 0;
  }

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

  .nav-menu li a {
    display: block;
    width: 100%;
    padding: var(--space-md);
  }

  .hero-section {
    min-height: 50vh;
    padding: var(--space-xl) var(--space-md);
  }

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

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

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

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

  .rack-layout {
    grid-template-columns: 1fr;
  }

  .material-showcase {
    grid-template-columns: 1fr;
  }

  .accessory-filter {
    flex-direction: column;
  }
}

@media (max-width: 320px) {
  html {
    font-size: 14px;
  }

  .container {
    padding: 0 var(--space-sm);
  }

  .section {
    padding: var(--space-lg) var(--space-sm);
  }
}