:root {
  --color-primary: #2d6a4f;
  --color-secondary: #40916c;
  --color-accent: #d8f3dc;
  --color-background: #f7f5f0;
  --color-text: #1b263b;
  --color-white: #ffffff;
  --color-light-gray: #e8e6e1;
  --color-border: #d0ccc7;

  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
}

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

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

body {
  font-family: var(--font-family);
  color: var(--color-text);
  background-color: var(--color-background);
  line-height: 1.6;
}

header {
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-md) var(--spacing-lg);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-lg);
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--color-primary);
  text-decoration: none;
}

nav ul {
  list-style: none;
  display: flex;
  gap: var(--spacing-lg);
}

nav a {
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

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

.cart-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.25rem;
  position: relative;
}

.cart-count {
  position: absolute;
  top: -8px;
  right: -8px;
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: 50%;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: bold;
}

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-lg);
}

.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: var(--color-white);
  padding: var(--spacing-2xl) var(--spacing-lg);
  border-radius: 8px;
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
  font-weight: bold;
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-lg);
  opacity: 0.95;
}

.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  background-color: var(--color-primary);
  color: var(--color-white);
  border: none;
  border-radius: 4px;
  font-family: var(--font-family);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.3s;
}

.btn:hover {
  background-color: var(--color-secondary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(45, 106, 79, 0.3);
}

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

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

.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);
}

.section-title {
  font-size: 2rem;
  margin-bottom: var(--spacing-xl);
  text-align: center;
  color: var(--color-primary);
}

.section-subtitle {
  font-size: 1.1rem;
  color: #666;
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

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

.category-filter {
  padding: var(--spacing-xs) var(--spacing-md);
  border: 2px solid var(--color-border);
  background-color: var(--color-white);
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.2s;
  font-weight: 500;
  color: var(--color-text);
}

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

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.product-card {
  background-color: var(--color-white);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  transition: all 0.3s;
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.12);
}

.product-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background-color: var(--color-accent);
}

.product-content {
  padding: var(--spacing-md);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-category {
  font-size: 0.75rem;
  font-weight: bold;
  color: var(--color-secondary);
  text-transform: uppercase;
  margin-bottom: var(--spacing-xs);
}

.product-name {
  font-size: 1.1rem;
  font-weight: bold;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.product-description {
  font-size: 0.9rem;
  color: #666;
  margin-bottom: var(--spacing-md);
  flex: 1;
}

.product-rating {
  font-size: 0.9rem;
  color: #f39c12;
  margin-bottom: var(--spacing-sm);
}

.product-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-md);
}

.product-price {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--color-primary);
}

.product-btn {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: 0.9rem;
}

.trust-badges {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
  text-align: center;
}

.badge {
  padding: var(--spacing-lg);
  background-color: var(--color-white);
  border-radius: 8px;
  border: 1px solid var(--color-border);
}

.badge-icon {
  font-size: 2rem;
  margin-bottom: var(--spacing-sm);
}

.badge-title {
  font-weight: bold;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.badge-text {
  font-size: 0.9rem;
  color: #666;
}

/* Product Detail Page */
.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
}

.product-detail-image {
  border-radius: 8px;
  overflow: hidden;
  background-color: var(--color-accent);
}

.product-detail-image img {
  width: 100%;
  height: auto;
  display: block;
}

.product-detail-info h1 {
  font-size: 2rem;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.product-detail-category {
  font-size: 0.9rem;
  font-weight: bold;
  color: var(--color-secondary);
  text-transform: uppercase;
  margin-bottom: var(--spacing-sm);
}

.product-detail-price {
  font-size: 2rem;
  font-weight: bold;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.product-detail-rating {
  font-size: 1rem;
  color: #f39c12;
  margin-bottom: var(--spacing-lg);
}

.product-detail-description {
  color: #666;
  margin-bottom: var(--spacing-lg);
  line-height: 1.8;
}

.product-detail-actions {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.quantity-selector {
  display: flex;
  align-items: center;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  overflow: hidden;
}

.quantity-selector button {
  width: 40px;
  height: 40px;
  border: none;
  background-color: var(--color-accent);
  cursor: pointer;
  font-weight: bold;
  color: var(--color-primary);
  transition: background-color 0.2s;
}

.quantity-selector button:hover {
  background-color: var(--color-background);
}

.quantity-selector input {
  width: 50px;
  border: none;
  text-align: center;
  font-weight: bold;
  font-size: 1rem;
}

/* Cart Page */
.cart-container {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
}

.cart-items {
  background-color: var(--color-white);
  border-radius: 8px;
  padding: var(--spacing-lg);
}

.cart-item {
  display: grid;
  grid-template-columns: 100px 1fr auto;
  gap: var(--spacing-lg);
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid var(--color-border);
}

.cart-item:last-child {
  border-bottom: none;
}

.cart-item-image {
  width: 100px;
  height: 100px;
  object-fit: cover;
  border-radius: 4px;
  background-color: var(--color-accent);
}

.cart-item-info h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.cart-item-info p {
  color: #666;
  font-size: 0.9rem;
}

.cart-item-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--spacing-sm);
}

.cart-item-price {
  font-weight: bold;
  color: var(--color-primary);
  font-size: 1.1rem;
}

.cart-summary {
  background-color: var(--color-white);
  border-radius: 8px;
  padding: var(--spacing-lg);
  height: fit-content;
  border: 1px solid var(--color-border);
}

.summary-row {
  display: flex;
  justify-content: space-between;
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--color-border);
}

.summary-row.total {
  font-weight: bold;
  font-size: 1.25rem;
  color: var(--color-primary);
  border-bottom: none;
  padding-top: var(--spacing-md);
}

.checkout-btn {
  width: 100%;
  margin-top: var(--spacing-lg);
}

/* Footer */
footer {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-xl) var(--spacing-lg);
  margin-top: var(--spacing-2xl);
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-section h3 {
  margin-bottom: var(--spacing-md);
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: var(--spacing-sm);
}

.footer-section a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: color 0.2s;
}

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

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  text-align: center;
  color: rgba(255, 255, 255, 0.8);
}

/* About Page */
.about-intro {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.about-intro h1 {
  font-size: 2.5rem;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.about-intro p {
  font-size: 1.1rem;
  color: #666;
  max-width: 600px;
  margin: 0 auto;
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
  margin-bottom: var(--spacing-2xl);
}

.about-content img {
  border-radius: 8px;
  width: 100%;
}

.about-content h2 {
  color: var(--color-primary);
  font-size: 1.8rem;
  margin-bottom: var(--spacing-md);
}

.about-content p {
  color: #666;
  margin-bottom: var(--spacing-md);
  line-height: 1.8;
}

.about-values {
  background-color: var(--color-white);
  border-radius: 8px;
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
}

.value-item h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.value-item p {
  color: #666;
  font-size: 0.95rem;
}

/* FAQ Page */
.faq-intro {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.faq-intro h1 {
  font-size: 2rem;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.faq-items {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background-color: var(--color-white);
  border-radius: 8px;
  margin-bottom: var(--spacing-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.faq-question {
  padding: var(--spacing-lg);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: bold;
  color: var(--color-primary);
  transition: background-color 0.2s;
  user-select: none;
}

.faq-question:hover {
  background-color: var(--color-accent);
}

.faq-toggle {
  font-size: 1.5rem;
  transition: transform 0.2s;
}

.faq-item.open .faq-toggle {
  transform: rotate(180deg);
}

.faq-answer {
  display: none;
  padding: var(--spacing-lg) var(--spacing-lg) 0 var(--spacing-lg);
  color: #666;
  line-height: 1.8;
}

.faq-item.open .faq-answer {
  display: block;
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 1000;
  align-items: center;
  justify-content: center;
}

.modal.open {
  display: flex;
}

.modal-content {
  background-color: var(--color-white);
  border-radius: 8px;
  padding: var(--spacing-xl);
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-close {
  float: right;
  font-size: 1.5rem;
  cursor: pointer;
  color: #999;
  border: none;
  background: none;
}

.modal-close:hover {
  color: var(--color-text);
}

/* Responsive */
@media (max-width: 768px) {
  .header-container {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  nav ul {
    flex-wrap: wrap;
    gap: var(--spacing-md);
    justify-content: center;
  }

  .hero h1 {
    font-size: 1.8rem;
  }

  .hero p {
    font-size: 1rem;
  }

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

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

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

  .section-title {
    font-size: 1.5rem;
  }

  .products-grid {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: var(--spacing-md);
  }
}

@media (max-width: 480px) {
  header {
    padding: var(--spacing-sm) var(--spacing-md);
  }

  main {
    padding: var(--spacing-lg) var(--spacing-md);
  }

  .hero {
    padding: var(--spacing-lg) var(--spacing-md);
  }

  .hero h1 {
    font-size: 1.5rem;
  }

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

  .cart-item {
    grid-template-columns: 80px 1fr;
    gap: var(--spacing-md);
  }

  .cart-item-image {
    width: 80px;
    height: 80px;
  }
}