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

body {
  background: #fdfdfd;
  color: #333;
}

/* Navbar */
.navbar {
  width: 100%;
  padding: 15px 8%;
  background: #fff;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.logo {
  font-size: 1.5em;
  font-weight: bold;
  color: #3b3b3b;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 20px;
}

.nav-links a {
  text-decoration: none;
  color: #333;
  font-weight: 500;
}

.signup-btn {
  background: #4a6cf7;
  color: white;
  padding: 6px 14px;
  border-radius: 6px;
}

/* Hero Section */
.hero {
  text-align: center;
  padding: 80px 20px;
  background: linear-gradient(to bottom right, #f0f4ff, #ffffff);
}

.hero h1 {
  font-size: 3em;
  margin-bottom: 10px;
}

.hero span {
  color: #4a6cf7;
}

.hero p {
  color: #666;
  margin-bottom: 20px;
  font-size: 1.2em;
}

.cta-btn {
  display: inline-block;
  background: #4a6cf7;
  color: white;
  padding: 10px 20px;
  border-radius: 8px;
  text-decoration: none;
  transition: 0.3s;
}

.cta-btn:hover {
  background: #2d4ae0;
}

/* Book Section */
.books {
  text-align: center;
  padding: 50px 20px;
}

.book-container {
  display: flex;
  justify-content: center;
  gap: 30px;
  flex-wrap: wrap;
  margin-top: 30px;
}

.book {
  background: white;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
  padding: 20px;
  cursor: pointer;
  transition: transform 0.3s;
  width: 200px;
}

.book:hover {
  transform: translateY(-5px);
}

.book img {
  width: 100%;
  border-radius: 8px;
}

.book h3 {
  margin-top: 10px;
  color: #333;
}