.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem 2rem;
  border-bottom: 1px solid #eaeaea;
  background-color: #fff;
  position: relative;
}

.logo {
  font-size: 1.6rem;
  font-weight: bold;
  color: #b30000;
}

.main-nav {
  display: flex;
  justify-content: center;
  flex: 1;
  gap: 2rem;
}

.main-nav a {
  text-decoration: none;
  font-weight: 500;
  color: #333;
  transition: color 0.2s ease;
}

.main-nav a:hover {
  color: #b30000;
}

/* Hamburger icon */
.menu-toggle {
  font-size: 2rem;
  cursor: pointer;
  display: none;
}

/* Mobile Styles */
@media (max-width: 768px) {
  .main-nav {
    display: none;
    flex-direction: column;
    background-color: #fff;
    position: absolute;
    top: 100%;
    right: 0;
    width: 200px;
    border: 1px solid #eee;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    z-index: 100;
  }

  .main-nav.show {
    display: flex;
  }

  .menu-toggle {
    display: block;
  }
}


.books-section {
  padding: 4rem 2rem;
  text-align: center;
  background: #f9f9f9;
}

.books-section h1 {
  font-size: 2.5rem;
  margin-bottom: 2rem;
  color: #b30000;
}

.book-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
}

.book-card {
  background: white;
  border: 1px solid #ddd;
  border-radius: 10px;
  padding: 1.5rem;
  width: 280px;
  box-shadow: 0 3px 6px rgba(0,0,0,0.05);
  transition: transform 0.2s ease;
}

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

.book-card img {
  width: 100%;
  height: auto;
  border-radius: 5px;
  margin-bottom: 1rem;
}

.book-card h3 {
  margin: 0.5rem 0 0.3rem;
}

.book-card p {
  margin: 0.3rem 0;
  font-size: 0.95rem;
  color: #555;
}

.book-card .desc {
  font-size: 0.9rem;
  color: #777;
  margin-bottom: 1rem;
}

.book-actions {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.buy-btn,
.borrow-btn {
  flex: 1;
  padding: 0.5rem 0;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-weight: 600;
}

.buy-btn {
  background: #b30000;
  color: white;
}

.borrow-btn {
  background: #f0f0f0;
  color: #333;
}



/* === FOOTER === */
.site-footer {
  background: #1a1a1a;
  color: #eee;
  padding: 3rem 2rem 2rem;
  text-align: center;
  margin-top: 4rem;
}

.footer-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: center;
}

.footer-logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: #fff;
}

.footer-links a {
  color: #ccc;
  margin: 0 1rem;
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: #fff;
}

.footer-social a {
  color: #ccc;
  font-size: 1.5rem;
  margin: 0 0.75rem;
  transition: color 0.3s ease;
}

.footer-social a:hover {
  color: #b30000;
}

footer p {
  font-size: 0.8rem;
  color: #777;
  margin-top: 2rem;
}