* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Georgia', 'Times New Roman', serif;
            line-height: 1.6;
            color: #2c3e50;
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            min-height: 100vh;
        }

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

        /* Header Styles */
        .hero {
            background: linear-gradient(135deg, #0f1a2d 0%, #2c3e50 50%, #34495e 100%);
            color: white;
            padding: 4rem 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="20" cy="20" r="1" fill="white" opacity="0.1"/><circle cx="80" cy="40" r="1" fill="white" opacity="0.1"/><circle cx="40" cy="80" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
            opacity: 0.1;
        }

        .hero-content {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 3rem;
            flex-wrap: wrap;
        }

        .author-avatar {
            width: 180px;
            height: 180px;
            border-radius: 50%;
            border: 4px solid rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 3rem;
            color: rgba(255, 255, 255, 0.7);
            backdrop-filter: blur(10px);
            overflow: hidden;
            position: relative;
        }

        .author-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 50%;
        }

        .hero-text h1 {
            font-size: 3.5rem;
            margin-bottom: 0.5rem;
            font-weight: 300;
            letter-spacing: 2px;
        }

        .hero-text .tagline {
            font-size: 1.3rem;
            color: rgba(255, 255, 255, 0.9);
            font-style: italic;
            margin-bottom: 1rem;
        }

        .hero-text .intro {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 500px;
            line-height: 1.5;
        }

        /* Main Content */
        .main-content {
            padding: 4rem 0;
        }

        .section {
            background: white;
            margin: 2rem 0;
            padding: 3rem;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            border: 1px solid rgba(44, 62, 80, 0.1);
        }

        .section h2 {
            color: #0f1a2d;
            font-size: 2.2rem;
            margin-bottom: 1.5rem;
            text-align: center;
            position: relative;
            padding-bottom: 1rem;
        }

        .section h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 3px;
            background: linear-gradient(90deg, #2c3e50, #34495e);
            border-radius: 2px;
        }

        .section-description {
            text-align: center;
            font-size: 1.1rem;
            color: #5a6c7d;
            margin-bottom: 2.5rem;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }

        /* Books Section */
        .books-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
            margin-top: 2rem;
        }

        .book-card {
            background: #f8f9fa;
            border-radius: 12px;
            padding: 1.5rem;
            text-align: center;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            border: 2px solid transparent;
        }

        .book-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
            border-color: #34495e;
        }

         .book-thumbnail {
            width: 120px;
            height: 180px;
            background: linear-gradient(135deg, #34495e 0%, #2c3e50 100%);
            border-radius: 8px;
            margin: 0 auto 1.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 2rem;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
            overflow: hidden;
            position: relative;
        }

        .book-thumbnail img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 8px;
        }

        .book-card h3 {
            color: #0f1a2d;
            font-size: 1.3rem;
            margin-bottom: 0.8rem;
        }

        .book-card p {
            color: #5a6c7d;
            font-size: 0.95rem;
            line-height: 1.5;
            margin-bottom: 1rem;
        }

        .book-links {
            display: flex;
            justify-content: center;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .book-link {
            background: linear-gradient(135deg, #2c3e50, #34495e);
            color: white;
            text-decoration: none;
            padding: 0.6rem 1.2rem;
            border-radius: 25px;
            font-size: 0.9rem;
            transition: all 0.3s ease;
        }

        .book-link:hover {
            background: linear-gradient(135deg, #34495e, #2c3e50);
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }

        /* Electronics Section */
        .sonciel-header {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 2rem;
            margin-bottom: 2rem;
            flex-wrap: wrap;
        }

        .sonciel-logo {
            width: 200px;
            height: 92px;
            background: linear-gradient(135deg, #2c3e50, #34495e);
            /*border-radius: 50%;*/
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.2rem;
            font-weight: bold;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
        }

        .products-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-top: 2rem;
        }

        .product-card {
            background: #f8f9fa;
            border-radius: 12px;
            padding: 2rem;
            text-align: center;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            border: 2px solid transparent;
        }

        .product-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
            border-color: #34495e;
        }

        .product-image {
            width: 120px;
            height: 120px;
            background: linear-gradient(135deg, #34495e, #2c3e50);
            /* border-radius: 12px; */
            margin: 0 auto 1.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 2rem;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }

        .product-image img {
                    width: 100%;
                    height: 100%;
                    object-fit: cover;
        }
        /* Development Section */
        .dev-links {
            display: flex;
            justify-content: center;
            gap: 2rem;
            flex-wrap: wrap;
            margin-top: 2rem;
        }

        .dev-link {
            background: linear-gradient(135deg, #2c3e50, #34495e);
            color: white;
            text-decoration: none;
            padding: 1rem 2rem;
            border-radius: 30px;
            font-size: 1.1rem;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .dev-link:hover {
            background: linear-gradient(135deg, #34495e, #2c3e50);
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
        }

        /* Quote and Advice Sections */
        .interactive-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
            gap: 2rem;
            margin: 2rem 0;
        }

        .quote-box, .advice-box {
            background: white;
            padding: 2.5rem;
            border-radius: 15px;
            text-align: center;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            border: 1px solid rgba(44, 62, 80, 0.1);
        }

        .quote-content, .advice-content {
            font-size: 1.2rem;
            font-style: italic;
            color: #2c3e50;
            line-height: 1.6;
            min-height: 80px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* Footer */
        .footer {
            background: #0f1a2d;
            color: white;
            padding: 3rem 0;
            text-align: center;
        }

        .footer-links {
            display: flex;
            justify-content: center;
            gap: 2rem;
            flex-wrap: wrap;
            margin-bottom: 2rem;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .footer-links a:hover {
            color: white;
        }

        .footer p {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .hero-content {
                flex-direction: column;
                gap: 2rem;
            }

            .hero-text h1 {
                font-size: 2.5rem;
            }

            .author-avatar {
                width: 150px;
                height: 150px;
            }

            .section {
                padding: 2rem;
                margin: 1rem 0;
            }

            .interactive-content {
                grid-template-columns: 1fr;
            }
        }