/* Google Fonts */
        @import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&family=Inter:wght@300;400;500;600&display=swap');

        /* Reset and Base */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            color: #1a1a1a;
            line-height: 1.6;
            background: #FFF8F0;
        }

        h1, h2, h3, h4, h5, h6 {
            font-family: 'Playfair Display', 'Georgia', serif;
            font-weight: 600;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header */
        .header {
            background: #1A237E;
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 20px rgba(0,0,0,0.15);
        }

        .header .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .logo {
            font-family: 'Playfair Display', 'Georgia', serif;
            font-size: 1.8rem;
            font-weight: 700;
            color: white;
            text-decoration: none;
            letter-spacing: 1px;
        }

        .logo span {
            color: #FF6F00;
        }

        .nav {
            display: flex;
            gap: 1.5rem;
            flex-wrap: wrap;
            align-items: center;
        }

        .nav a {
            color: white;
            text-decoration: none;
            transition: all 0.3s;
            font-size: 0.95rem;
            font-weight: 400;
            letter-spacing: 0.5px;
        }

        .nav a:hover {
            color: #FF6F00;
        }

        .nav a.active {
            color: #FF6F00;
            border-bottom: 2px solid #FF6F00;
        }

        /* Buttons */
        .btn {
            display: inline-block;
            padding: 14px 35px;
            border-radius: 50px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s;
            border: none;
            cursor: pointer;
            font-size: 1rem;
            letter-spacing: 0.5px;
        }

        .btn-primary {
            background: #FF6F00;
            color: white;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(255, 111, 0, 0.4);
            background: #e86500;
        }

        .btn-secondary {
            background: #1A237E;
            color: white;
        }

        .btn-secondary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(26, 35, 126, 0.3);
        }

        .btn-accent {
            background: #2E7D32;
            color: white;
        }

        .btn-accent:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(46, 125, 50, 0.3);
        }

        .btn-outline {
            background: transparent;
            border: 2px solid white;
            color: white;
        }

        .btn-outline:hover {
            background: white;
            color: #1A237E;
        }

        /* Hero */
        .hero {
            padding: 100px 0;
            background: linear-gradient(135deg, #1A237E 0%, #0d1445 100%);
            color: white;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '📚';
            position: absolute;
            top: -50%;
            right: -10%;
            font-size: 30rem;
            opacity: 0.05;
            transform: rotate(20deg);
        }

        .hero .container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .hero h1 {
            font-size: 3.5rem;
            line-height: 1.1;
            margin-bottom: 1.5rem;
            font-weight: 700;
        }

        .hero h1 span {
            color: #FF6F00;
        }

        .hero p {
            font-size: 1.2rem;
            opacity: 0.9;
            margin-bottom: 2rem;
            line-height: 1.8;
        }

        .hero-buttons {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .hero-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            background: rgba(255,255,255,0.05);
            padding: 30px;
            border-radius: 16px;
            border: 1px solid rgba(255,255,255,0.1);
        }

        .hero-stats .stat {
            text-align: center;
        }

        .hero-stats .stat-number {
            font-size: 2rem;
            font-weight: 700;
            color: #FF6F00;
        }

        .hero-stats .stat-label {
            font-size: 0.9rem;
            opacity: 0.7;
        }

        /* Sections */
        .section {
            padding: 80px 0;
        }

        .section-light {
            background: white;
        }

        .section-cream {
            background: #FFF8F0;
        }

        .section-title {
            text-align: center;
            font-size: 2.8rem;
            margin-bottom: 1rem;
            font-family: 'Playfair Display', 'Georgia', serif;
        }

        .section-subtitle {
            text-align: center;
            color: #666;
            max-width: 700px;
            margin: 0 auto 3rem auto;
            font-size: 1.1rem;
        }

        /* Book Grid */
        .book-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 30px;
        }

        .book-card {
            background: white;
            border-radius: 16px;
            padding: 25px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.06);
            transition: all 0.3s;
            border: 1px solid #eee;
            display: flex;
            flex-direction: column;
        }

        .book-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 8px 40px rgba(0,0,0,0.12);
            border-color: #FF6F00;
        }

        .book-card .book-icon {
            font-size: 3rem;
            margin-bottom: 10px;
        }

        .book-card .book-category {
            display: inline-block;
            padding: 3px 12px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 10px;
            background: #FFF8F0;
            color: #1A237E;
        }

        .book-card h3 {
            font-size: 1.1rem;
            margin-bottom: 8px;
            color: #1A237E;
            font-family: 'Playfair Display', 'Georgia', serif;
            line-height: 1.3;
        }

        .book-card p {
            color: #666;
            font-size: 0.9rem;
            flex: 1;
            margin-bottom: 15px;
        }

        .book-card .book-link {
            display: inline-block;
            padding: 10px 20px;
            background: #FF6F00;
            color: white;
            text-decoration: none;
            border-radius: 8px;
            font-weight: 600;
            text-align: center;
            transition: all 0.3s;
            font-size: 0.9rem;
        }

        .book-card .book-link:hover {
            background: #1A237E;
            transform: scale(1.02);
        }

        /* Category Filters */
        .category-filters {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            justify-content: center;
            margin-bottom: 30px;
        }

        .category-filter {
            padding: 10px 25px;
            border: 2px solid #e0e0e0;
            border-radius: 30px;
            background: white;
            cursor: pointer;
            transition: all 0.3s;
            font-weight: 500;
            font-size: 0.9rem;
        }

        .category-filter:hover {
            border-color: #FF6F00;
            color: #FF6F00;
        }

        .category-filter.active {
            background: #FF6F00;
            border-color: #FF6F00;
            color: white;
        }

        /* Newsletter */
        .newsletter {
            padding: 80px 0;
            background: #FFF8F0;
        }

        .newsletter .container {
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
        }

        .newsletter h2 {
            font-size: 2.5rem;
            margin-bottom: 1rem;
            font-family: 'Playfair Display', 'Georgia', serif;
        }

        .newsletter p {
            color: #666;
            margin-bottom: 2rem;
            font-size: 1.1rem;
        }

        .newsletter .input-group {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .newsletter input {
            flex: 1;
            min-width: 250px;
            padding: 14px 20px;
            border: 2px solid #e0e0e0;
            border-radius: 50px;
            font-size: 1rem;
            transition: border-color 0.3s;
        }

        .newsletter input:focus {
            border-color: #FF6F00;
            outline: none;
        }

        /* Footer */
        .footer {
            background: #1a1a1a;
            color: rgba(255,255,255,0.8);
            padding: 60px 0 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer h4 {
            color: white;
            font-family: 'Playfair Display', 'Georgia', serif;
            margin-bottom: 15px;
            font-size: 1.2rem;
        }

        .footer a {
            color: rgba(255,255,255,0.7);
            text-decoration: none;
            display: block;
            margin: 8px 0;
            transition: color 0.3s;
        }

        .footer a:hover {
            color: #FF6F00;
        }

        .footer .social-links {
            display: flex;
            gap: 15px;
            margin-top: 15px;
        }

        .footer .social-links a {
            background: rgba(255,255,255,0.1);
            padding: 10px 15px;
            border-radius: 50%;
            display: inline-block;
            font-size: 1.2rem;
        }

        .footer .social-links a:hover {
            background: #FF6F00;
            color: white;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 30px;
            text-align: center;
            font-size: 0.9rem;
        }

        /* Animations */
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }

        /* Responsive */
        @media (max-width: 992px) {
            .hero .container {
                grid-template-columns: 1fr;
                text-align: center;
            }

            .hero h1 {
                font-size: 2.8rem;
            }

            .hero-buttons {
                justify-content: center;
            }

            .hero-stats {
                grid-template-columns: repeat(3, 1fr);
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .header .container {
                flex-direction: column;
                gap: 1rem;
            }

            .nav {
                justify-content: center;
                gap: 0.8rem;
            }

            .nav a {
                font-size: 0.85rem;
            }

            .hero {
                padding: 60px 0;
            }

            .hero h1 {
                font-size: 2.2rem;
            }

            .hero-stats {
                grid-template-columns: 1fr 1fr 1fr;
                padding: 20px;
                gap: 10px;
            }

            .hero-stats .stat-number {
                font-size: 1.5rem;
            }

            .section-title {
                font-size: 2rem;
            }

            .section {
                padding: 50px 0;
            }

            .book-grid {
                grid-template-columns: 1fr 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                text-align: center;
            }

            .footer .social-links {
                justify-content: center;
            }

            .newsletter h2 {
                font-size: 2rem;
            }
        }

        @media (max-width: 480px) {
            .book-grid {
                grid-template-columns: 1fr;
            }

            .hero-stats {
                grid-template-columns: 1fr;
            }

            .category-filters {
                gap: 5px;
            }

            .category-filter {
                padding: 8px 15px;
                font-size: 0.8rem;
            }
        }