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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            line-height: 1.6;
            color: #333;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
        }

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

        header {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            padding: 2rem 0;
            text-align: center;
            margin-bottom: 2rem;
        }

        header h1 {
            font-size: 2.5rem;
            font-weight: 700;
            color: #2d3748;
            margin-bottom: 0.5rem;
        }

        .subtitle {
            font-size: 1.2rem;
            color: #4a5568;
            max-width: 800px;
            margin: 0 auto;
        }

        .comparison-hero {
            background: white;
            border-radius: 20px;
            padding: 3rem;
            margin-bottom: 3rem;
            box-shadow: 0 20px 40px rgba(0,0,0,0.1);
        }

        .vs-container {
            display: grid;
            grid-template-columns: 1fr auto 1fr;
            gap: 2rem;
            align-items: center;
            margin-bottom: 2rem;
        }

        .platform-card {
            text-align: center;
            padding: 2rem;
            border-radius: 15px;
            transition: transform 0.3s ease;
        }

        .platform-card.algoexpert {
            background: linear-gradient(135deg, #ff6b6b, #ee5a24);
            color: white;
        }

        .platform-card.interview-terminator {
            background: linear-gradient(135deg, #4ecdc4, #44a08d);
            color: white;
            transform: scale(1.05);
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
        }

        .vs-badge {
            background: #667eea;
            color: white;
            padding: 1rem 2rem;
            border-radius: 50px;
            font-weight: bold;
            font-size: 1.2rem;
        }

        .platform-logo {
            font-size: 3rem;
            margin-bottom: 1rem;
        }

        .platform-name {
            font-size: 1.5rem;
            font-weight: bold;
            margin-bottom: 0.5rem;
        }

        .platform-desc {
            opacity: 0.9;
        }

        .features-comparison {
            background: white;
            border-radius: 20px;
            padding: 3rem;
            margin-bottom: 3rem;
            box-shadow: 0 20px 40px rgba(0,0,0,0.1);
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 2rem;
            margin-top: 2rem;
        }

        .feature-card {
            padding: 2rem;
            border-radius: 15px;
            background: linear-gradient(135deg, #f8f9fa, #e9ecef);
            border-left: 5px solid #4ecdc4;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        }

        .feature-card h4 {
            color: #2d3748;
            margin-bottom: 1rem;
            font-size: 1.2rem;
        }

        .feature-card p {
            color: #4a5568;
            line-height: 1.6;
        }

        .pricing-comparison {
            background: white;
            border-radius: 20px;
            padding: 3rem;
            margin-bottom: 3rem;
            box-shadow: 0 20px 40px rgba(0,0,0,0.1);
        }

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

        .pricing-card {
            padding: 2rem;
            border-radius: 15px;
            text-align: center;
            transition: transform 0.3s ease;
        }

        .pricing-card.algoexpert {
            background: linear-gradient(135deg, #ff6b6b, #ee5a24);
            color: white;
        }

        .pricing-card.interview-terminator {
            background: linear-gradient(135deg, #4ecdc4, #44a08d);
            color: white;
            transform: scale(1.05);
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
        }

        .price {
            font-size: 2.5rem;
            font-weight: bold;
            margin-bottom: 1rem;
        }

        .price-desc {
            opacity: 0.9;
            margin-bottom: 2rem;
        }

        .features-list {
            list-style: none;
            text-align: left;
        }

        .features-list li {
            padding: 0.5rem 0;
            border-bottom: 1px solid rgba(255,255,255,0.2);
        }

        .features-list li:before {
            content: "✓ ";
            color: #4ecdc4;
            font-weight: bold;
        }

        .testimonials {
            background: white;
            border-radius: 20px;
            padding: 3rem;
            margin-bottom: 3rem;
            box-shadow: 0 20px 40px rgba(0,0,0,0.1);
        }

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

        .testimonial-card {
            padding: 2rem;
            border-radius: 15px;
            background: linear-gradient(135deg, #f8f9fa, #e9ecef);
            border-left: 5px solid #4ecdc4;
        }

        .testimonial-text {
            font-style: italic;
            margin-bottom: 1rem;
            color: #4a5568;
        }

        .testimonial-author {
            font-weight: bold;
            color: #2d3748;
        }

        .cta-section {
            background: linear-gradient(135deg, #4ecdc4, #44a08d);
            border-radius: 20px;
            padding: 3rem;
            text-align: center;
            color: white;
            margin-bottom: 3rem;
        }

        .cta-button {
            display: inline-block;
            background: white;
            color: #44a08d;
            padding: 1rem 2rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: bold;
            font-size: 1.1rem;
            margin-top: 1rem;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .cta-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.2);
        }

        .section-title {
            font-size: 2rem;
            font-weight: bold;
            text-align: center;
            margin-bottom: 1rem;
            color: #2d3748;
        }

        .section-subtitle {
            text-align: center;
            color: #4a5568;
            margin-bottom: 2rem;
            font-size: 1.1rem;
        }

        @media (max-width: 768px) {
            .vs-container {
                grid-template-columns: 1fr;
                gap: 1rem;
            }

            .vs-badge {
                order: -1;
            }

            header h1 {
                font-size: 2rem;
            }

            .subtitle {
                font-size: 1rem;
            }

            .comparison-hero,
            .features-comparison,
            .pricing-comparison,
            .testimonials,
            .cta-section {
                padding: 2rem;
            }
        }