body {
  margin: 0;
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #5918e5;
  box-sizing: border-box;
  
    background-image: url('img/BACKGROUND.png');
    background-size: cover; 
    background-repeat: no-repeat; 
    background-position: center center;
  }
  
 
header {
  color: white;
  padding-bottom: 1rem;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background-color: #357ABD;
  flex-wrap: wrap;
}

nav h1 {
  color: #000000;
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: 1px;
  transition: transform 0.3s ease;
  cursor: pointer;
  background-color: red;
  border: 4px solid black;
  border-radius: 20px;
  padding: 0.3rem 1rem;
  margin: 0;
}

nav h1:hover {
  transform: scale(1.05);
  color: #bbf119;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  margin: 0;
  padding: 0;
}

nav ul li {
  background-color: rgb(40, 54, 206);
  border: 4px solid black;
  border-radius: 20px;
  transition: background-color 0.3s, transform 0.3s;
}

nav ul li:hover {
  background-color: rgb(0, 141, 104);
  transform: scale(1.05);
  border-radius: 50px;
  border: 4px solid rgb(178, 49, 49);
  color: rgb(184, 129, 20);
}

nav a {
  color: white;
  text-decoration: none;
  font-weight: bold;
  display: block;
  padding: 0.5rem 1rem;
}
 
.hero {
  text-align: center;
  padding: 2.5rem;
  background-color: #7dab1b;
  border-radius: 30px;
  transition: background-color 0.4s ease, transform 0.3s ease;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
  color: white;
}

.hero:hover {
  background-color: #008d68;
  transform: scale(1.03);
  border-radius: 40px;
  border: 3px solid #b23131;
  color: #fddf8b;
}

.hero h2 {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
  transition: color 0.6s ease, transform 0.6s ease;
}

.hero:hover h2 {
  transform: translateY(-5px);
  color: #ffe600;
}

.hero p {
  font-size: 1.2rem;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
  transition: color 0.6s ease;
}

.hero:hover p {
  color: #fff9d8;
}
 
.book-section {
  padding: 2rem;
}

.book-section h1 {
  text-align: center;
  margin: 2rem 0 1.5rem 0;
  padding: 1rem;
  color: #2200ff;
  font-size: 2.5rem;
  background-color: #d2d21a;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgb(149, 172, 19);
}

.book-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); 
  gap: 2rem; 
  padding: 2rem 1rem;
  margin: 0 auto;
  max-width: 1400px; 
  width: 100%;
}

.book {
  background: linear-gradient(to bottom right, #2c49b3, #b83806);
  padding: 1.5rem;
  border-radius: 16px;
  box-shadow: 0 8px 20px rgb(0, 0, 0); 
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  max-width: 300px;
  margin: 0 auto;
  color: #000000;
}

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

.book img {
  width: 100%;
  height: auto;
  border-radius: 4px;
}




#about {
  background-color: #e3f2fd;
  padding: 2rem;
  text-align: center;
  animation: fadeSlideIn 1.5s ease-out;
  border-radius: 20px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  /* margin-bottom: 50px; */
}


@keyframes fadeSlideIn {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}


.site-footer {
  background-color: #222;
  color: #fff;
  text-align: center;
  padding: 1.5rem 1rem;
  margin-top: 2rem;
  font-size: 1rem;
  position: relative;
}

.site-footer .social-link {
  display: inline-block;
  margin-top: 0.5rem;
  color: #1877f2;
  font-size: 1.8rem;
  transition: transform 0.3s ease, color 0.3s ease;
}

.site-footer .social-link:hover {
  transform: scale(1.2);
  color: #0e5cd7;
}

@media (max-width: 768px) {
  nav {
    flex-direction: column;
    align-items: center;
    gap: 1rem;
  }

  nav h1 {
    font-size: 1.5rem;
    text-align: center;
  }

  nav ul {
    flex-direction: column;
    align-items: center;
    width: 100%;
  }

  nav ul li {
    width: 90%;
    text-align: center;
  }

  .hero {
    padding: 2rem 1rem;
  }

  .hero h2 {
    font-size: 1.8rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .book-section h1 {
    font-size: 2rem;
    padding: 0.8rem;
    
  }

  .book-grid {
    grid-template-columns: 1fr;
    gap: 5rem;
    padding: 0.1rem;
    
  }

  #about {
    padding: 1.5rem 1rem;
    margin-top: 50px;
  }

  .site-footer {
    font-size: 0.9rem;
    padding: 1rem;
  }

  .site-footer .social-link {
    font-size: 1.5rem;
  }
}
.BUY-NOW {
  background-color: #e9d310;
  border: 2px solid blue;
  color: #000;
  padding: 0.5rem 1rem;
  font-weight: bold;
  font-size: 1rem;
  border-radius: 50px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.BUY-NOW:hover {
  background-color: #ff0059;
  border-color: darkblue;
  transform: scale(1.05);
  color: white;
  /* border-radius: 50px; */
}