body {
  font-family: 'Manrope', sans-serif;
  background: linear-gradient(135deg, #0f0f0f, #1a1a1a);
  color: #fff;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

.container {
  max-width: 1200px;
  width: 90%;
  background: linear-gradient(145deg, #252525, #2d2d2d);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.7);
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 30px 40px;
  background: linear-gradient(90deg, #333, #444);
  border-bottom: 1px solid #00ffcc;
}

header h1 {
  margin: 0;
  font-size: 2.5em;
  color: #00ffcc;
  text-transform: uppercase;
  letter-spacing: 2px;
}

nav a {
  color: #fff;
  text-decoration: none;
  margin-left: 30px;
  font-size: 1.1em;
  transition: all 0.3s ease;
  position: relative;
}

nav a:hover {
  color: #00ffcc;
}

nav a:hover::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 2px;
  background: #00ffcc;
  left: 0;
  bottom: -5px;
}

section {
  padding: 50px 40px;
}

h2 {
  text-align: center;
  font-size: 2.5em;
  margin-bottom: 30px;
  color: #00ffcc;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.product-grid, .case-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 25px;
}

.product-card, .case-card {
  background: linear-gradient(135deg, #2a2a2a, #3a3a3a);
  padding: 20px;
  text-align: center;
  border-radius: 15px;
  transition: all 0.4s ease;
  border: 1px solid rgba(0, 255, 204, 0.2);
}

.product-card img, .case-card img {
  width: 150px;
  height: 150px;
  object-fit: cover;
  border-radius: 10px;
  transition: transform 0.3s ease;
}

.product-card h3, .case-card h3 {
  margin: 15px 0;
  font-size: 1.3em;
  color: #fff;
}

.product-card p, .case-card p {
  margin: 5px 0;
  color: #00ffcc;
  font-weight: 700;
}

.product-card:hover, .case-card:hover {
  transform: scale(1.08);
  box-shadow: 0 8px 20px rgba(0, 255, 204, 0.3);
}

.product-card:hover img, .case-card:hover img {
  transform: scale(1.1);
}

.buy-btn {
  background: linear-gradient(45deg, #00ffcc, #00b388);
  border: none;
  padding: 12px 25px;
  border-radius: 25px;
  cursor: pointer;
  font-weight: 700;
  transition: all 0.4s ease;
  margin-top: 10px;
}

.buy-btn:hover {
  background: linear-gradient(45deg, #00b388, #008866);
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 5px 15px rgba(0, 255, 204, 0.4);
}

.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  justify-content: center;
  align-items: center;
}

.modal-content {
  background: linear-gradient(135deg, #252525, #2d2d2d);
  padding: 30px;
  border-radius: 15px;
  width: 450px;
  text-align: center;
  border: 1px solid #00ffcc;
  box-shadow: 0 10px 30px rgba(0, 255, 204, 0.2);
}

.close-btn {
  float: right;
  font-size: 1.8em;
  cursor: pointer;
  color: #fff;
  transition: color 0.3s ease;
}

.close-btn:hover {
  color: #00ffcc;
}

form input {
  display: block;
  width: 85%;
  margin: 15px auto;
  padding: 12px;
  border: 1px solid #00ffcc;
  border-radius: 25px;
  background: #2a2a2a;
  color: #fff;
  transition: all 0.3s ease;
}

form input:focus {
  outline: none;
  border-color: #00b388;
  box-shadow: 0 0 10px rgba(0, 255, 204, 0.5);
}

form button {
  background: linear-gradient(45deg, #00ffcc, #00b388);
  border: none;
  padding: 12px 30px;
  border-radius: 25px;
  cursor: pointer;
  font-weight: 700;
  transition: all 0.4s ease;
}

form button:hover {
  background: linear-gradient(45deg, #00b388, #008866);
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 5px 15px rgba(0, 255, 204, 0.4);
}