/* ============================================
   Toys Collection - Design System
   ============================================ */

/* CSS Custom Properties */
:root {
  /* Colors */
  --primary: #FF6B35;
  --primary-dark: #E55A2B;
  --secondary: #4ECDC4;
  --secondary-dark: #3DB8B0;
  --accent: #FFE66D;
  --success: #7CB518;
  --dark: #2C3E50;
  --dark-light: #34495E;
  --light: #F8F9FA;
  --white: #FFFFFF;
  --gray-100: #F1F3F5;
  --gray-200: #E9ECEF;
  --gray-300: #DEE2E6;
  --gray-400: #CED4DA;
  --gray-500: #ADB5BD;
  --gray-600: #6C757D;
  
  /* Typography */
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;
  
  /* 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 25px rgba(0,0,0,0.15);
  --shadow-xl: 0 20px 40px rgba(0,0,0,0.2);
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--dark);
  background-color: var(--white);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--dark);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

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

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

ul {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  outline: none;
}

/* Container */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* ============================================
   Header
   ============================================ */
.header {
  background: var(--white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-top {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--white);
  font-size: 0.875rem;
  padding: var(--space-xs) 0;
  text-align: center;
}

.header-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) 0;
  gap: var(--space-xl);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--primary);
}

.logo-icon {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

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

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

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

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

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

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

.search-box {
  display: flex;
  align-items: center;
  background: var(--gray-100);
  border-radius: var(--radius-full);
  padding: var(--space-sm) var(--space-md);
  gap: var(--space-sm);
}

.search-box input {
  border: none;
  background: transparent;
  outline: none;
  font-size: 0.9rem;
  width: 200px;
}

.search-box button {
  background: none;
  color: var(--gray-600);
  font-size: 1.1rem;
}

.cart-btn {
  position: relative;
  background: none;
  font-size: 1.5rem;
  color: var(--dark);
  transition: color var(--transition-fast);
}

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

.cart-badge {
  position: absolute;
  top: -8px;
  right: -8px;
  background: var(--primary);
  color: var(--white);
  font-size: 0.7rem;
  font-weight: 600;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mobile-menu-btn {
  display: none;
  background: none;
  font-size: 1.5rem;
  color: var(--dark);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
  background: linear-gradient(135deg, #FFF5F0 0%, #E8F8F7 50%, #FFFBEB 100%);
  padding: var(--space-3xl) 0;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255,107,53,0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.hero-text {
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-block;
  background: var(--accent);
  color: var(--dark);
  font-size: 0.875rem;
  font-weight: 600;
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-md);
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: var(--space-lg);
  background: linear-gradient(135deg, var(--dark), var(--primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.125rem;
  color: var(--gray-600);
  margin-bottom: var(--space-xl);
  max-width: 500px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: all var(--transition-normal);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--white);
  box-shadow: 0 4px 15px rgba(255,107,53,0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255,107,53,0.5);
}

.btn-secondary {
  background: var(--white);
  color: var(--dark);
  border: 2px solid var(--gray-300);
}

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

.hero-image {
  position: relative;
}

.hero-image img {
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
}

.hero-stats {
  display: flex;
  gap: var(--space-xl);
  margin-top: var(--space-xl);
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--gray-600);
}

/* ============================================
   Section Common
   ============================================ */
.section {
  padding: var(--space-3xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section-header h2 {
  margin-bottom: var(--space-sm);
}

.section-header p {
  color: var(--gray-600);
  max-width: 600px;
  margin: 0 auto;
}

/* ============================================
   Categories
   ============================================ */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-lg);
}

.category-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  cursor: pointer;
}

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

.category-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-md);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
}

.category-card:nth-child(1) .category-icon { background: linear-gradient(135deg, #FFE5D9, #FFCAB8); }
.category-card:nth-child(2) .category-icon { background: linear-gradient(135deg, #D9F2F1, #B8E8E6); }
.category-card:nth-child(3) .category-icon { background: linear-gradient(135deg, #FFF3CD, #FFE69C); }
.category-card:nth-child(4) .category-icon { background: linear-gradient(135deg, #E2D9F3, #C5B3E6); }
.category-card:nth-child(5) .category-icon { background: linear-gradient(135deg, #D4EDDA, #A8DFAF); }
.category-card:nth-child(6) .category-icon { background: linear-gradient(135deg, #F8D7DA, #F1AEB5); }

.category-card h4 {
  margin-bottom: var(--space-xs);
}

.category-card span {
  font-size: 0.875rem;
  color: var(--gray-600);
}

/* ============================================
   Products
   ============================================ */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-xl);
}

.product-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
}

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

.product-image {
  position: relative;
  padding-top: 100%;
  background: var(--gray-100);
  overflow: hidden;
}

.product-image img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

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

.product-badge {
  position: absolute;
  top: var(--space-md);
  left: var(--space-md);
  background: var(--primary);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 600;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
}

.product-badge.sale {
  background: var(--success);
}

.product-wishlist {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  background: var(--white);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-fast);
}

.product-wishlist:hover {
  background: var(--primary);
  color: var(--white);
}

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

.product-category {
  font-size: 0.75rem;
  color: var(--secondary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--space-xs);
}

.product-info h4 {
  margin-bottom: var(--space-sm);
  transition: color var(--transition-fast);
}

.product-card:hover .product-info h4 {
  color: var(--primary);
}

.product-rating {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-sm);
}

.stars {
  color: var(--accent);
}

.rating-count {
  font-size: 0.875rem;
  color: var(--gray-500);
}

.product-price {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.current-price {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
}

.original-price {
  font-size: 0.9rem;
  color: var(--gray-500);
  text-decoration: line-through;
}

.add-to-cart {
  width: 100%;
  margin-top: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--white);
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
}

.add-to-cart:hover {
  box-shadow: 0 4px 15px rgba(255,107,53,0.4);
}

/* ============================================
   Features
   ============================================ */
.features {
  background: var(--gray-100);
}

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

.feature-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
  transition: all var(--transition-normal);
}

.feature-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.feature-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto var(--space-md);
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
}

.feature-card h4 {
  margin-bottom: var(--space-sm);
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--gray-600);
}

/* ============================================
   Newsletter
   ============================================ */
.newsletter {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--white);
  text-align: center;
}

.newsletter h2 {
  color: var(--white);
  margin-bottom: var(--space-sm);
}

.newsletter p {
  opacity: 0.9;
  margin-bottom: var(--space-xl);
}

.newsletter-form {
  display: flex;
  max-width: 500px;
  margin: 0 auto;
  gap: var(--space-sm);
}

.newsletter-form input {
  flex: 1;
  padding: var(--space-md) var(--space-lg);
  border: none;
  border-radius: var(--radius-full);
  font-size: 1rem;
  outline: none;
}

.newsletter-form button {
  padding: var(--space-md) var(--space-xl);
  background: var(--dark);
  color: var(--white);
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: all var(--transition-normal);
}

.newsletter-form button:hover {
  background: var(--white);
  color: var(--dark);
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background: var(--dark);
  color: var(--white);
  padding: var(--space-3xl) 0 var(--space-lg);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

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

.footer-brand p {
  color: var(--gray-400);
  margin-bottom: var(--space-lg);
}

.social-links {
  display: flex;
  gap: var(--space-sm);
}

.social-link {
  width: 40px;
  height: 40px;
  background: var(--dark-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.social-link:hover {
  background: var(--primary);
}

.footer-column h4 {
  color: var(--white);
  margin-bottom: var(--space-lg);
  font-size: 1.1rem;
}

.footer-column ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-column a {
  color: var(--gray-400);
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  border-top: 1px solid var(--dark-light);
  padding-top: var(--space-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--gray-500);
  font-size: 0.875rem;
}

.footer-payments {
  display: flex;
  gap: var(--space-sm);
}

.payment-icon {
  width: 40px;
  height: 25px;
  background: var(--dark-light);
  border-radius: var(--radius-sm);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
  .hero h1 {
    font-size: 2.75rem;
  }
  
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .header-main {
    flex-wrap: wrap;
  }
  
  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: var(--space-lg);
    gap: var(--space-md);
    box-shadow: var(--shadow-lg);
  }
  
  .nav.active {
    display: flex;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .search-box {
    order: 4;
    width: 100%;
    margin-top: var(--space-md);
  }
  
  .search-box input {
    width: 100%;
  }
  
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero h1 {
    font-size: 2.25rem;
  }
  
  .hero p {
    margin: 0 auto var(--space-xl);
  }
  
  .hero-buttons {
    justify-content: center;
  }
  
  .hero-stats {
    justify-content: center;
  }
  
  .newsletter-form {
    flex-direction: column;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .social-links {
    justify-content: center;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: var(--space-md);
  }
}

@media (max-width: 480px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.75rem; }
  
  .container {
    padding: 0 var(--space-md);
  }
  
  .products-grid {
    grid-template-columns: 1fr;
  }
}