:root {
  --primary-color: #2c3e50;
  --secondary-color: #3498db;
  --accent-color: #e74c3c;
  --text-color: #2c3e50;
  --light-bg: #f8f9fa;
  --white: #ffffff;
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Poppins', sans-serif;
}

body {
  background-color: var(--light-bg);
  color: var(--text-color);
  line-height: 1.6;
}

.header {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: var(--white);
  padding: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header h1 {
  font-size: 1.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.cart-summary {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  background: rgba(255, 255, 255, 0.1);
  padding: 0.8rem 1.5rem;
  border-radius: 30px;
  backdrop-filter: blur(5px);
}

.cart-summary p {
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.cart-summary button {
  background: var(--accent-color);
  color: var(--white);
  border: none;
  padding: 0.6rem 1.2rem;
  border-radius: 25px;
  cursor: pointer;
  font-weight: 500;
  transition: var(--transition);
}

.cart-summary button:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 2rem;
  padding: 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

.product-card {
  background: var(--white);
  border-radius: 15px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 15px rgba(0, 0, 0, 0.1);
}

.product-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
  transition: var(--transition);
}

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

.product-card h3 {
  padding: 1rem;
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--primary-color);
}

.product-card p {
  padding: 0 1rem;
  font-size: 1.1rem;
  color: var(--accent-color);
  font-weight: 500;
}

.product-card button {
  width: calc(100% - 2rem);
  margin: 1rem;
  padding: 0.8rem;
  background: var(--secondary-color);
  color: var(--white);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 500;
  transition: var(--transition);
}

.product-card button:hover {
  background: var(--primary-color);
  transform: translateY(-2px);
}

@media (max-width: 768px) {
  .header {
      flex-direction: column;
      gap: 1rem;
      text-align: center;
  }

  .cart-summary {
      width: 100%;
      justify-content: center;
  }

  .product-grid {
      grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
      padding: 1rem;
  }
}