* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
  background: linear-gradient(180deg, #1a1a2e, #16213e, #0f3460);
  color: #ffffff;
}

header {
  padding: 30px;
  text-align: center;
}

header h1 {
  font-size: 3rem;
  letter-spacing: 2px;
}

header p {
  margin-top: 10px;
  opacity: 0.9;
}

.container {
  max-width: 1200px;
  margin: 40px auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.card {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 15px 40px rgba(0,0,0,0.4);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.card:hover {
  transform: translateY(-12px) scale(1.02);
  box-shadow: 0 25px 60px rgba(0,0,0,0.6);
}

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

.card-content {
  padding: 20px;
}

.card-content h2 {
  font-size: 1.5rem;
  margin-bottom: 10px;
}

.info {
  font-size: 0.95rem;
  line-height: 1.5;
  opacity: 0.9;
  margin-bottom: 15px;
}

.details {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  margin-bottom: 20px;
  opacity: 0.85;
}

.price {
  font-size: 1.2rem;
  font-weight: bold;
  color: #f9c74f;
}

.book-btn {
  display: block;
  width: 100%;
  padding: 14px;
  border-radius: 30px;
  border: none;
  background: linear-gradient(135deg, #f9c74f, #f9844a);
  color: #2a2a2a;
  font-size: 1rem;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s ease;
}

.book-btn:hover {
  background: linear-gradient(135deg, #f9844a, #f9c74f);
  transform: scale(1.05);
}

footer {
  text-align: center;
  padding: 25px;
  margin-top: 40px;
  font-size: 0.9rem;
  opacity: 0.75;
}