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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  color: #333;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

header {
  background: #1a1a2e;
  color: white;
  padding: 15px 0;
}

header nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

header .logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: #f39c12;
  text-decoration: none;
}

header nav a {
  color: white;
  text-decoration: none;
  margin-left: 25px;
}

header nav a:hover {
  color: #f39c12;
}

.hero {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  color: white;
  padding: 80px 0;
  text-align: center;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 20px;
}

.hero p {
  font-size: 1.2rem;
  opacity: 0.9;
}

.btn {
  display: inline-block;
  padding: 12px 30px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: 600;
  margin-top: 20px;
}

.btn-primary {
  background: #f39c12;
  color: #1a1a2e;
}

.btn-primary:hover {
  background: #e67e22;
}

section {
  padding: 60px 0;
}

section h1, section h2 {
  margin-bottom: 30px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.product-card {
  background: white;
  border: 1px solid #eee;
  border-radius: 10px;
  overflow: hidden;
  transition: box-shadow 0.3s;
}

.product-card:hover {
  box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.product-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.product-card .info {
  padding: 20px;
}

.product-card h3 {
  margin-bottom: 10px;
}

.product-card .price {
  color: #f39c12;
  font-size: 1.25rem;
  font-weight: bold;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.category-card {
  background: #f8f9fa;
  padding: 40px;
  text-align: center;
  border-radius: 10px;
}

.features {
  background: #f8f9fa;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.feature-item {
  text-align: center;
  padding: 30px;
}

.feature-item h3 {
  margin: 15px 0;
}

footer {
  background: #1a1a2e;
  color: white;
  padding: 40px 0;
  text-align: center;
}

footer a {
  color: #f39c12;
  text-decoration: none;
}

.page-header {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  color: white;
  padding: 60px 0;
  text-align: center;
}

.page-content {
  padding: 60px 0;
}

.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.product-gallery img {
  width: 100%;
  border-radius: 10px;
}

.product-info h1 {
  margin-bottom: 20px;
}

.product-info .price {
  font-size: 2rem;
  color: #f39c12;
  margin-bottom: 20px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 5px;
  font-weight: 600;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px;
  border: 1px solid #ddd;
  border-radius: 5px;
  font-size: 16px;
}

.blog-post {
  max-width: 800px;
  margin: 0 auto;
}

.blog-post h2 {
  margin-top: 40px;
}

.error-page {
  text-align: center;
  padding: 100px 20px;
}

.error-page h1 {
  font-size: 6rem;
  color: #e74c3c;
}