/* BOOKS */
.books-premium {
  padding: 90px 20px;
  background: linear-gradient(135deg, #f6f9fc, #ffffff);
}

.books-wrapper {
  max-width: 1200px;
  margin: auto;
}

.books-header {
  text-align: center;
  margin-bottom: 50px;
}

.books-header h2 {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  color: #0f2b2e;
}

.books-header span {
  color: #5f24e9;
}

.books-header p {
  font-size: 16px;
  color: #666;
  margin-top: 8px;
}

.books-hero {
  display: flex;
  justify-content: center;
  margin-bottom: 60px;
}

.books-hero img {
  max-width: 100%;
  border-radius: 22px;
  box-shadow: 0 25px 60px rgba(0,0,0,.15);
}

.books-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 35px;
}

.book-card {
  background: #fff;
  border-radius: 22px;
  /* padding: 25px; */
  text-align: center;
  text-decoration: none;
  box-shadow: 0 15px 35px rgba(0,0,0,.08);
  transition: all .4s ease;
}

.book-card img {
  width: 100%;
  max-height: 420px;
  object-fit: contain;
  transition: transform .4s ease;
}

.book-card h4 {
  margin-top: 18px;
  font-size: 16px;
  color: #0f2b2e;
  font-weight: 600;
}

.book-card:hover {
  transform: translateY(-12px);
  box-shadow: 0 30px 70px rgba(95,36,233,.25);
}

.book-card:hover img {
  transform: scale(1.08);
}

/* TESTIMONIALS */
.testimonial-section .card {
  border-radius: 20px;
  border: none;
}

.testimonial-section .card-body {
  background-color: #fff;
  color: #333;
  border-radius: 20px;
  position: relative;
}

/* MOBILE */
@media (max-width: 768px) {
  .books-premium {
    padding: 60px 15px;
  }
}