/* General Styles */
body {
  margin: 0;
  font-family: 'Arial', sans-serif;
  background-color: #0a0a0a;
  color: #fff;
  overflow-x: hidden;
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  background-color: rgba(10, 10, 10, 0.9);
  padding: 1rem 2rem;
  z-index: 1000;
  backdrop-filter: blur(10px);
}

.navbar-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: #ffd700;
  text-decoration: none;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 2rem;
}

.nav-links a {
  color: #fff;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

.nav-links a:hover {
  color: #ffd700;
}

/* Order PC Section */
.order-pc-section {
  padding: 5rem 2rem;
  text-align: center;
}

.section-title {
  font-size: 2.5rem;
  color: #ffd700;
  margin-bottom: 1rem;
}

.section-description {
  font-size: 1.2rem;
  color: #ccc;
  margin-bottom: 2rem;
}

/* PC Range */
.pc-range {
  margin-bottom: 4rem;
}

.range-title {
  font-size: 2rem;
  color: #ffd700;
  margin-bottom: 0.5rem;
}

.range-description {
  font-size: 1.1rem;
  color: #ccc;
  margin-bottom: 2rem;
}

.pc-tiers {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
}

.pc-tier {
  flex: 1;
  background-color: #1a1a1a;
  padding: 2rem;
  border-radius: 10px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.pc-tier:hover {
  transform: translateY(-10px);
  box-shadow: 0 0 20px rgba(255, 215, 0, 0.7);
}

.pc-tier h4 {
  font-size: 1.5rem;
  color: #ffd700;
  margin-bottom: 1rem;
}

.pc-tier ul {
  list-style: none;
  padding: 0;
  margin-bottom: 1.5rem;
}

.pc-tier ul li {
  font-size: 1rem;
  color: #ccc;
  margin-bottom: 0.5rem;
}

.performance {
  margin-bottom: 1.5rem;
}

.performance h5 {
  font-size: 1.2rem;
  color: #ffd700;
  margin-bottom: 0.5rem;
}

.performance ul {
  list-style: none;
  padding: 0;
}

.performance ul li {
  font-size: 1rem;
  color: #ccc;
  margin-bottom: 0.5rem;
}

.btn {
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: bold;
  text-decoration: none;
  border-radius: 5px;
  transition: background-color 0.3s ease, transform 0.3s ease;
}

.btn-primary {
  background-color: #ffd700;
  color: #0a0a0a;
}

.btn-primary:hover {
  transform: scale(1.05);
}

/* Build Your Own PC Section */
.build-your-own-section {
  padding: 5rem 2rem;
  text-align: center;
}

.build-form {
  max-width: 800px;
  margin: 0 auto;
  text-align: left;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  font-size: 1.1rem;
  color: #ffd700;
  display: block;
  margin-bottom: 0.5rem;
}

.form-group select {
  width: 100%;
  padding: 0.75rem;
  font-size: 1rem;
  border-radius: 5px;
  border: 1px solid #444;
  background-color: #1a1a1a;
  color: #fff;
  transition: border-color 0.3s ease;
}

.form-group select:focus {
  border-color: #ffd700;
  outline: none;
}

#build-button {
  width: 100%;
  padding: 1rem;
  font-size: 1.1rem;
  margin-top: 1rem;
}

/* Checkout Section */
.checkout-section {
  text-align: center;
  margin: 4rem 0;
}

.checkout-button {
  padding: 1rem 2rem;
  font-size: 1.2rem;
  font-weight: bold;
  background-color: #ffd700;
  color: #0a0a0a;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.checkout-button:hover {
  transform: scale(1.05);
  box-shadow: 0 0 20px rgba(255, 215, 0, 0.7);
}

/* Selected Tier */
.pc-tier.selected {
  transform: translateY(-10px);
  box-shadow: 0 0 20px rgba(255, 215, 0, 0.7);
}