/* ============================================
   STORE STYLES - Cliente B2C
   ============================================ */

/* === Header === */
.header {
  position: sticky;
  top: 0;
  background-color: var(--white);
  border-bottom: 1px solid var(--border);
  z-index: var(--z-sticky);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--primary);
}

.logo-icon {
  font-size: var(--text-2xl);
  color: var(--accent);
}

.nav {
  display: flex;
  gap: var(--space-8);
}

.nav-link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  padding: var(--space-2) 0;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent);
  transition: width var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.cart-btn {
  position: relative;
}

.cart-count {
  position: absolute;
  top: -4px;
  right: -4px;
  width: 18px;
  height: 18px;
  background-color: var(--accent);
  color: var(--white);
  font-size: 10px;
  font-weight: 600;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.mobile-menu.active {
  opacity: 1;
  visibility: visible;
}

.mobile-menu-content {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 280px;
  background-color: var(--white);
  padding: var(--space-6);
  transform: translateX(100%);
  transition: transform var(--transition-base);
}

.mobile-menu.active .mobile-menu-content {
  transform: translateX(0);
}

.mobile-menu-close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-top: var(--space-12);
}

.mobile-nav-link {
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--text-primary);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--border);
}

/* === Hero === */
.hero {
  padding: var(--space-16) 0;
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  margin-bottom: var(--space-4);
  color: var(--primary);
}

.hero-subtitle {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  margin-bottom: var(--space-8);
  max-width: 500px;
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero-image {
  display: flex;
  justify-content: center;
}

.hero-placeholder {
  width: 100%;
  max-width: 400px;
  aspect-ratio: 1;
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
}

.hero-placeholder span {
  font-size: 6rem;
}

.hero-placeholder p {
  color: var(--text-muted);
  font-size: var(--text-lg);
}

@media (max-width: 768px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }
  
  .hero-actions {
    justify-content: center;
  }
  
  .hero-image {
    order: -1;
  }
  
  .hero-placeholder {
    max-width: 250px;
  }
  
  .hero-placeholder span {
    font-size: 4rem;
  }
}

/* === Sections === */
.section-title {
  font-size: var(--text-3xl);
  text-align: center;
  margin-bottom: var(--space-12);
  color: var(--primary);
}

/* === Categories === */
.categories {
  padding: var(--space-16) 0;
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.category-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  text-align: center;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  border: 2px solid transparent;
}

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

.category-icon {
  font-size: 3rem;
  margin-bottom: var(--space-4);
}

.category-card h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
}

.category-card p {
  font-size: var(--text-sm);
  color: var(--text-muted);
}

@media (max-width: 1024px) {
  .categories-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .categories-grid {
    grid-template-columns: 1fr;
  }
}

/* === Products === */
.products {
  padding: var(--space-16) 0;
  background-color: var(--bg-secondary);
}

.products-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.products-header .section-title {
  margin-bottom: 0;
  text-align: left;
}

.products-filters {
  display: flex;
  gap: var(--space-3);
}

.filter-select {
  min-width: 180px;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

/* Product Card */
.product-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

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

.product-image {
  position: relative;
  aspect-ratio: 1;
  background: var(--bg-secondary);
  overflow: hidden;
}

.product-image img,
.product-image .product-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-base);
}

.product-card:hover .product-image img,
.product-card:hover .product-image .product-img {
  transform: scale(1.05);
}

.product-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  color: var(--text-muted);
}

.product-badge {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
}

.product-info {
  padding: var(--space-4);
}

.product-category {
  font-size: var(--text-xs);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-1);
}

.product-name {
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--text-primary);
}

.product-price {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--primary);
}

.product-actions {
  padding: 0 var(--space-4) var(--space-4);
}

.product-actions .btn {
  width: 100%;
}

@media (max-width: 1024px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .products-header {
    flex-direction: column;
    align-items: stretch;
  }
  
  .products-header .section-title {
    text-align: center;
  }
  
  .products-filters {
    flex-direction: column;
  }
  
  .filter-select {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .products-grid {
    grid-template-columns: 1fr;
  }
}

/* === How it Works === */
.how-it-works {
  padding: var(--space-16) 0;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.step {
  text-align: center;
  padding: var(--space-6);
}

.step-number {
  width: 60px;
  height: 60px;
  background: var(--primary);
  color: var(--white);
  font-size: var(--text-2xl);
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-6);
}

.step h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
}

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

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

/* === Footer === */
.footer {
  background: var(--primary);
  color: var(--white);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-12);
}

.footer-brand .logo {
  color: var(--white);
  margin-bottom: var(--space-4);
}

.footer-brand .logo-icon {
  color: var(--accent);
}

.footer-brand p {
  color: var(--secondary-light);
  font-size: var(--text-sm);
}

.footer-links h4 {
  color: var(--white);
  font-size: var(--text-base);
  margin-bottom: var(--space-4);
}

.footer-links a {
  display: block;
  color: var(--secondary-light);
  font-size: var(--text-sm);
  padding: var(--space-2) 0;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  color: var(--secondary-light);
  font-size: var(--text-sm);
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
  }
  
  .footer-brand {
    grid-column: span 2;
  }
}

@media (max-width: 480px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-brand {
    grid-column: span 1;
  }
}

/* === Cart Sidebar === */
.cart-sidebar {
  position: fixed;
  top: 0;
  right: 0;
  width: 400px;
  max-width: 100%;
  height: 100vh;
  background: var(--white);
  box-shadow: var(--shadow-xl);
  z-index: var(--z-modal);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--transition-base);
}

.cart-sidebar.active {
  transform: translateX(0);
}

.cart-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: calc(var(--z-modal) - 1);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

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

.cart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-6);
  border-bottom: 1px solid var(--border);
}

.cart-header h3 {
  font-size: var(--text-xl);
}

.cart-items {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-4);
}

.cart-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  text-align: center;
  color: var(--text-muted);
  gap: var(--space-4);
}

.cart-item {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-4);
  border-bottom: 1px solid var(--border);
}

.cart-item-image {
  width: 80px;
  height: 80px;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  flex-shrink: 0;
}

.cart-item-details {
  flex: 1;
  min-width: 0;
}

.cart-item-name {
  font-weight: 600;
  margin-bottom: var(--space-1);
}

.cart-item-variant {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-bottom: var(--space-1);
}

.cart-item-personalization {
  font-size: var(--text-xs);
  color: var(--text-secondary);
  background: var(--bg-secondary);
  padding: var(--space-2);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-2);
}

.cart-item-price {
  font-weight: 600;
  color: var(--primary);
}

.cart-item-remove {
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.cart-item-remove:hover {
  color: var(--error);
}

.cart-footer {
  padding: var(--space-6);
  border-top: 1px solid var(--border);
}

.cart-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-4);
  font-size: var(--text-lg);
}

.cart-total-amount {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--primary);
}

/* === Loading === */
.loading-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.loading-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.loading-skeleton {
  background: linear-gradient(90deg, var(--bg-secondary) 25%, var(--border) 50%, var(--bg-secondary) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

.loading-card .loading-image {
  aspect-ratio: 1;
}

.loading-card .loading-text {
  height: 20px;
  margin: var(--space-4);
  border-radius: var(--radius-sm);
}

.loading-card .loading-text.short {
  width: 60%;
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

@media (max-width: 1024px) {
  .loading-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .loading-grid {
    grid-template-columns: 1fr;
  }
}