/* Reset and Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #f5f5f5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

/* Header */
header {
  background-color: #2c3e50;
  color: white;
  padding: 20px 0;
  text-align: center;
}

header h1 {
  font-size: 2rem;
  margin-bottom: 5px;
}

header h1 a {
  color: white;
  text-decoration: none;
}

header h1 a:hover {
  opacity: 0.9;
}

.tagline {
  font-size: 1rem;
  opacity: 0.8;
}

/* Main Content */
main {
  flex: 1;
  padding: 40px 0;
}

main h2 {
  text-align: center;
  margin-bottom: 30px;
  font-size: 1.8rem;
  color: #2c3e50;
}

/* Product Grid */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.product-card {
  background: white;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  transition: transform 0.2s, box-shadow 0.2s;
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}

.product-image {
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
  font-weight: bold;
}

.product-info {
  padding: 20px;
}

.product-info h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
  color: #2c3e50;
}

.product-description {
  color: #666;
  font-size: 0.9rem;
  margin-bottom: 15px;
}

.product-price {
  font-size: 1.4rem;
  font-weight: bold;
  color: #27ae60;
  margin-bottom: 15px;
}

/* Buttons */
.btn {
  display: inline-block;
  background-color: #3498db;
  color: white;
  padding: 12px 24px;
  border: none;
  border-radius: 5px;
  font-size: 1rem;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
  transition: background-color 0.2s;
}

.btn:hover {
  background-color: #2980b9;
}

.btn-large {
  width: 100%;
  padding: 15px;
  font-size: 1.1rem;
}

/* Checkout Page */
.checkout-wrapper {
  max-width: 500px;
  margin: 0 auto;
  background: white;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.order-summary {
  background: #f8f9fa;
  padding: 20px;
  border-radius: 5px;
  margin-bottom: 30px;
}

.order-summary h3 {
  margin-bottom: 10px;
  font-size: 1.1rem;
}

.order-summary p {
  margin: 5px 0;
}

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

.checkout-form label {
  display: block;
  margin-bottom: 5px;
  font-weight: 500;
  color: #555;
}

.checkout-form input {
  width: 100%;
  padding: 12px;
  border: 1px solid #ddd;
  border-radius: 5px;
  font-size: 1rem;
}

.checkout-form input:focus {
  outline: none;
  border-color: #3498db;
  box-shadow: 0 0 0 2px rgba(52,152,219,0.2);
}

.form-row {
  display: flex;
  gap: 15px;
}

.form-group.half {
  flex: 1;
}

/* Thank You Page */
.confirmation {
  text-align: center;
  background: white;
  padding: 50px 30px;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  max-width: 500px;
  margin: 0 auto;
}

.confirmation-icon {
  width: 80px;
  height: 80px;
  background-color: #27ae60;
  color: white;
  font-size: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.confirmation h2 {
  color: #27ae60;
  margin-bottom: 15px;
}

.confirmation p {
  margin-bottom: 10px;
  color: #666;
}

.order-details {
  font-size: 1.2rem;
  margin: 20px 0;
}

.confirmation .btn {
  margin-top: 20px;
}

/* Footer */
footer {
  background-color: #2c3e50;
  color: white;
  text-align: center;
  padding: 15px 0;
  margin-top: auto;
}

footer p {
  font-size: 0.9rem;
  opacity: 0.8;
}

/* Responsive */
@media (max-width: 600px) {
  header h1 {
    font-size: 1.5rem;
  }

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

  .form-row {
    flex-direction: column;
    gap: 0;
  }
}