* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Montserrat', sans-serif;
            background: linear-gradient(135deg, #f8f4ff 0%, #fff5f8 100%);
            color: #2c3e50;
        }
        
        header {
            background: linear-gradient(135deg, #6B2E6E 0%, #9B4D96 50%, #D96C9C 100%);
            color: white;
            padding: 1rem 0;
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }
        
        nav {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .logo {
            font-size: 1.5rem;
            font-weight: 700;
            font-family: 'Playfair Display', serif;
        }
        
        .logo span {
            color: #D9FFA8;
        }
        
        .nav-links {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        
        .nav-links a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s ease;
        }
        
        .nav-links a:hover,
        .nav-links a.active {
            color: #D9FFA8;
        }
        
        .menu-toggle {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
        }
        
        .hero {
            background: linear-gradient(135deg, rgba(107,46,110,0.85), rgba(217,108,156,0.85)), url('https://images.unsplash.com/photo-1507525428034-b723cf961d3e?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80');
            background-attachment: fixed;
            background-position: center;
            background-repeat: no-repeat;
            background-size: cover;
            color: white;
            padding: 120px 0 60px;
            text-align: center;
        }
        
        .hero h1 {
            font-size: 3rem;
            font-family: 'Playfair Display', serif;
            margin-bottom: 1rem;
            animation: fadeInUp 1s ease;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        .libros-section {
            padding: 60px 0;
        }
        
        .libro-item {
            display: flex;
            gap: 2rem;
            background: white;
            border-radius: 20px;
            padding: 2rem;
            margin-bottom: 2rem;
            box-shadow: 0 10px 30px rgba(107,46,110,0.1);
            transition: all 0.3s ease;
            animation: fadeInUp 0.6s ease both;
        }
        
        .libro-item:nth-child(even) {
            flex-direction: row-reverse;
        }
        
        .libro-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 40px rgba(107,46,110,0.2);
        }
        
        .libro-imagen {
            flex: 0 0 250px;
        }
        
        .libro-imagen img {
            width: 100%;
            border-radius: 15px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
            transition: transform 0.3s ease;
        }
        
        .libro-imagen img:hover {
            transform: scale(1.02);
        }
        
        .libro-info {
            flex: 1;
        }
        
        .libro-info h2 {
            color: #6B2E6E;
            font-family: 'Playfair Display', serif;
            margin-bottom: 1rem;
            font-size: 1.8rem;
        }
        
        .libro-info p {
            color: #555;
            line-height: 1.8;
            text-align: justify;
        }
        
        footer {
            background: linear-gradient(135deg, #6B2E6E 0%, #9B4D96 100%);
            color: white;
            text-align: center;
            padding: 2rem 0;
            margin-top: 3rem;
        }
        
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        @media (max-width: 768px) {
            .menu-toggle {
                display: block;
            }
            
            .nav-links {
                display: none;
                width: 100%;
                flex-direction: column;
                text-align: center;
                padding: 1rem 0;
                gap: 1rem;
            }
            
            .nav-links.active {
                display: flex;
            }
            
            .hero h1 {
                font-size: 2rem;
            }
            
            .libro-item {
                flex-direction: column !important;
            }
            
            .libro-imagen {
                flex: 0 0 auto;
                max-width: 200px;
                margin: 0 auto;
            }
        }