.hero-section {
            background: url('../../images/banner-1.jpg');
            background-size: cover;
            background-position: center;
            min-height: 70vh;
            display: flex;
            align-items: center;
            color: white;
            text-align: center;
        }
        
        .hero-text {
            font-size: 3.5rem;
            font-weight: bold;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.8);
            line-height: 1.2;
        }
        
        .hero-quote {
            font-size: 1.2rem;
            margin-top: 1rem;
            font-style: italic;
        }
        
        .shop-now-btn {
            background-color: #ff4444;
            border: none;
            padding: 15px 40px;
            font-size: 1.1rem;
            font-weight: bold;
            margin-top: 2rem;
            border-radius: 5px;
        }
        
        .shop-now-btn:hover {
            background-color: #cc3333;
        }
        
        .category-card {
            position: relative;
            overflow: hidden;
            border-radius: 10px;
            height: 300px;
            cursor: pointer;
            transition: transform 0.3s ease;
        }
        
        .category-card:hover {
            transform: translateY(-5px);
        }
        
        .category-overlay {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(rgba(0,0,0,0.4), rgba(0,0,0,0.6));
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
        }
        
        .category-title {
            font-size: 2.5rem;
            font-weight: bold;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.8);
        }
        
        .book-card {
            border: none;
            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            height: 100%;
        }
        
        .book-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 15px rgba(0,0,0,0.2);
        }
        
        .book-image {
            height: 250px;
            object-fit: cover;
        }
        
        .rating {
            color: #ffc107;
        }
        
        .price {
            font-size: 1.2rem;
            font-weight: bold;
            color: #28a745;
        }
        
        .navbar-brand img {
            height: 40px;
        }
        
        .search-bar {
            max-width: 400px;
        }

.ratio-2x3 {
  position: relative;
  width: 100%;
  padding-top: 150%; 
  overflow: hidden;
  border-radius: 8px;
}

.ratio-2x3 img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover; 
  object-position: center;
}

        
        @media (max-width: 768px) {
            .hero-text {
                font-size: 2.5rem;
            }
            
            .category-title {
                font-size: 2rem;
            }
        }