/* CSS Variables from theme */
        :root {
            --primary-font: 'Chivo', sans-serif;
            --secondary-font: 'Noto Sans', sans-serif;
            --color-primary: #006d77;
            --color-gray-900: #101828;
            --color-gray-500: #667085;
            --color-gray-100: #f2f4f7;
            --color-white: #fff;
        }

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

        body {
            font-family: var(--secondary-font);
            color: var(--color-gray-900);
            background: #fff;
            overflow-x: hidden;
            line-height: 1.6;
        }

        /* Hero Section with 3D Background */
        .hero-teachers {
            position: relative;
            min-height: 100vh;
            background: linear-gradient(135deg, #fde2e4 0%, #fad2e1 100%);
            overflow: hidden;
            padding: 120px 0 80px;
        }

        #canvas-3d {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 10;
        }

        .hero-teachers h1 {
            font-family: var(--primary-font);
            font-size: 64px;
            font-weight: 700;
            line-height: 1.2;
            color: var(--color-gray-900);
            margin-bottom: 30px;
            animation: fadeInUp 0.8s ease-out;
        }

        .hero-teachers .lead-text {
            font-size: 22px;
            line-height: 1.6;
            color: var(--color-gray-500);
            margin-bottom: 40px;
            max-width: 600px;
            animation: fadeInUp 0.8s ease-out 0.2s both;
        }

        .badge-ai {
            background: linear-gradient(135deg, #006d77 0%, #004b52 100%);
            color: white;
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 700;
            display: inline-block;
            margin-bottom: 20px;
            animation: fadeInUp 0.8s ease-out 0.1s both;
        }

        .btn-primary-custom {
            background-color: var(--color-primary);
            color: white;
            padding: 18px 40px;
            border-radius: 50px;
            font-size: 18px;
            font-weight: 700;
            border: none;
            transition: all 0.3s ease;
            display: inline-block;
            text-decoration: none;
            animation: fadeInUp 0.8s ease-out 0.4s both;
        }

        .btn-primary-custom:hover {
            background-color: #101828;
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(0, 109, 119, 0.3);
        }

        .btn-secondary-custom {
            background-color: transparent;
            color: var(--color-gray-900);
            padding: 18px 40px;
            border-radius: 50px;
            font-size: 18px;
            font-weight: 700;
            border: 2px solid var(--color-gray-900);
            transition: all 0.3s ease;
            display: inline-block;
            text-decoration: none;
            margin-left: 20px;
            animation: fadeInUp 0.8s ease-out 0.4s both;
        }

        .btn-secondary-custom:hover {
            background-color: var(--color-gray-900);
            color: white;
            transform: translateY(-3px);
        }

        /* AI Features Showcase */
        .ai-showcase {
            background: linear-gradient(180deg, #fff 0%, #f2f4f7 100%);
            padding: 100px 0;
            position: relative;
        }

        .section-title {
            font-family: var(--primary-font);
            font-size: 56px;
            font-weight: 700;
            color: var(--color-gray-900);
            text-align: center;
            margin-bottom: 20px;
        }

        .section-subtitle {
            font-size: 20px;
            color: var(--color-gray-500);
            text-align: center;
            margin-bottom: 60px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        .ai-feature-card {
            background: white;
            border-radius: 24px;
            padding: 50px 40px;
            margin-bottom: 30px;
            position: relative;
            overflow: hidden;
            transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
            border: 2px solid transparent;
            cursor: pointer;
            transform-style: preserve-3d;
        }

        .ai-feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(0, 109, 119, 0.1), transparent);
            transition: left 0.6s ease;
        }

        .ai-feature-card:hover::before {
            left: 100%;
        }

        .ai-feature-card:hover {
            transform: translateY(-15px) scale(1.02);
            box-shadow: 0 40px 80px rgba(0, 0, 0, 0.15);
            border-color: var(--color-primary);
        }

        .ai-icon {
            width: 90px;
            height: 90px;
            background: linear-gradient(135deg, #fad2e1 0%, #e29578 100%);
            border-radius: 22px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 25px;
            font-size: 42px;
            transition: all 0.4s ease;
            position: relative;
        }

        .ai-feature-card:hover .ai-icon {
            transform: rotateY(180deg) scale(1.1);
            background: linear-gradient(135deg, var(--color-primary) 0%, #004b52 100%);
        }

        .ai-badge {
            position: absolute;
            top: -8px;
            right: -8px;
            background: #e29578;
            color: white;
            font-size: 10px;
            font-weight: 700;
            padding: 4px 8px;
            border-radius: 10px;
            text-transform: uppercase;
        }

        .ai-feature-card h3 {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-gray-900);
            margin-bottom: 15px;
            font-family: var(--primary-font);
        }

        .ai-feature-card p {
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-gray-500);
            margin-bottom: 20px;
        }

        .feature-list {
            list-style: none;
            padding: 0;
            margin: 20px 0;
        }

        .feature-list li {
            padding: 8px 0;
            padding-left: 30px;
            position: relative;
            color: var(--color-gray-500);
            font-size: 15px;
        }

        .feature-list li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--color-primary);
            font-weight: 700;
            font-size: 18px;
        }

        /* Interactive Demo Section */
        .demo-section {
            background: linear-gradient(135deg, #006d77 0%, #004b52 100%);
            padding: 100px 0;
            position: relative;
            overflow: hidden;
        }

        .demo-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml,<svg width="60" height="60" xmlns="http://www.w3.org/2000/svg"><circle cx="2" cy="2" r="1" fill="rgba(255,255,255,0.1)"/></svg>');
            animation: parallaxMove 20s linear infinite;
        }

        @keyframes parallaxMove {
            0% { transform: translate(0, 0); }
            100% { transform: translate(60px, 60px); }
        }

        .demo-container {
            position: relative;
            z-index: 2;
        }

        .demo-card {
            background: rgba(255, 255, 255, 0.95);
            border-radius: 24px;
            padding: 60px 50px;
            box-shadow: 0 40px 80px rgba(0, 0, 0, 0.3);
            backdrop-filter: blur(10px);
        }

        .demo-tabs {
            display: flex;
            gap: 15px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }

        .demo-tab {
            background: #f2f4f7;
            color: var(--color-gray-900);
            padding: 12px 24px;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            border: 2px solid transparent;
        }

        .demo-tab:hover {
            background: #e4e7ec;
            transform: translateY(-2px);
        }

        .demo-tab.active {
            background: var(--color-primary);
            color: white;
            border-color: var(--color-primary);
        }

        .demo-content {
            display: none;
            animation: fadeIn 0.5s ease-out;
        }

        .demo-content.active {
            display: block;
        }

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

        .demo-visual {
            background: linear-gradient(135deg, #fad2e1 0%, #bee1e6 100%);
            border-radius: 16px;
            padding: 40px;
            min-height: 300px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 30px;
            position: relative;
            overflow: hidden;
        }

        .demo-visual::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(255,255,255,0.3) 1px, transparent 1px);
            background-size: 30px 30px;
            animation: demoGrid 15s linear infinite;
        }

        @keyframes demoGrid {
            0% { transform: translate(0, 0) rotate(0deg); }
            100% { transform: translate(30px, 30px) rotate(360deg); }
        }

        /* Benefits Grid */
        .benefits-section {
            padding: 100px 0;
            background: white;
        }

        .benefit-card {
            background: linear-gradient(135deg, #fff3ea 0%, #ffffff 100%);
            border-radius: 20px;
            padding: 40px 35px;
            height: 100%;
            transition: all 0.4s ease;
            border: 2px solid transparent;
            position: relative;
            overflow: hidden;
        }

        .benefit-card::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--color-primary) 0%, #e29578 100%);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.4s ease;
        }

        .benefit-card:hover::after {
            transform: scaleX(1);
        }

        .benefit-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
            border-color: var(--color-primary);
        }

        .benefit-number {
            font-size: 72px;
            font-weight: 900;
            background: linear-gradient(135deg, var(--color-primary) 0%, #e29578 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 20px;
            font-family: var(--primary-font);
        }

        .benefit-card h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--color-gray-900);
            margin-bottom: 15px;
        }

        .benefit-card p {
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-gray-500);
        }

        /* Testimonials Carousel */
        .testimonials-section {
            background: linear-gradient(180deg, #dbece5 0%, #afeae4 100%);
            padding: 100px 0;
            position: relative;
        }

        .testimonial-carousel {
            position: relative;
            max-width: 900px;
            margin: 0 auto;
        }

        .testimonial-slide {
            background: white;
            border-radius: 24px;
            padding: 60px 50px;
            box-shadow: 0 30px 60px rgba(0, 0, 0, 0.15);
            text-align: center;
            display: none;
            animation: slideIn 0.6s ease-out;
        }

        .testimonial-slide.active {
            display: block;
        }

        @keyframes slideIn {
            from { opacity: 0; transform: scale(0.95); }
            to { opacity: 1; transform: scale(1); }
        }

        .quote-icon {
            font-size: 80px;
            color: var(--color-primary);
            opacity: 0.3;
            line-height: 1;
            margin-bottom: 20px;
        }

        .testimonial-text {
            font-size: 22px;
            line-height: 1.7;
            color: var(--color-gray-500);
            margin-bottom: 40px;
            font-style: italic;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
        }

        .author-image {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-primary) 0%, #e29578 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 32px;
            color: white;
            font-weight: 700;
        }

        .author-info h4 {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-gray-900);
            margin-bottom: 5px;
            text-align: left;
        }

        .author-info p {
            font-size: 15px;
            color: var(--color-gray-500);
            margin: 0;
            text-align: left;
        }

        .carousel-controls {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-top: 40px;
        }

        .carousel-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: white;
            border: 2px solid var(--color-primary);
            color: var(--color-primary);
            font-size: 20px;
            cursor: pointer;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .carousel-btn:hover {
            background: var(--color-primary);
            color: white;
            transform: scale(1.1);
        }

        .carousel-dots {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin-top: 30px;
        }

        .dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: rgba(0, 109, 119, 0.3);
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .dot.active {
            background: var(--color-primary);
            width: 30px;
            border-radius: 6px;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, #e29578 0%, #fad2e1 100%);
            padding: 100px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255,255,255,0.2) 0%, transparent 70%);
            border-radius: 50%;
            animation: float 8s ease-in-out infinite;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255,255,255,0.15) 0%, transparent 70%);
            border-radius: 50%;
            animation: float 10s ease-in-out infinite reverse;
        }

        @keyframes float {
            0%, 100% { transform: translate(0, 0) scale(1); }
            50% { transform: translate(30px, -30px) scale(1.1); }
        }

        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .cta-section h2 {
            font-size: 52px;
            font-weight: 700;
            color: var(--color-gray-900);
            margin-bottom: 20px;
            font-family: var(--primary-font);
        }

        .cta-section p {
            font-size: 22px;
            color: var(--color-gray-500);
            margin-bottom: 40px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-cta-primary {
            background: var(--color-primary);
            color: white;
            padding: 20px 50px;
            border-radius: 50px;
            font-size: 18px;
            font-weight: 700;
            border: none;
            transition: all 0.3s ease;
            display: inline-block;
            text-decoration: none;
            box-shadow: 0 10px 30px rgba(0, 109, 119, 0.3);
        }

        .btn-cta-primary:hover {
            background: #101828;
            transform: translateY(-5px) scale(1.05);
            box-shadow: 0 20px 50px rgba(16, 24, 40, 0.4);
        }

        /* Floating Animation */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(50px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .float-animation {
            animation: float 6s ease-in-out infinite;
        }

        /* Scroll Animations */
        .scroll-reveal {
            transform: translateY(50px);
            transition: all 0.8s ease-out;
        }

        .scroll-reveal.active {
            opacity: 1;
            transform: translateY(0);
        }

        /* Responsive Design */
        @media (max-width: 992px) {
            .hero-teachers h1 {
                font-size: 48px;
            }

            .section-title {
                font-size: 42px;
            }

            .demo-tabs {
                justify-content: center;
            }
        }

        @media (max-width: 768px) {
            .hero-teachers h1 {
                font-size: 36px;
            }

            .hero-teachers .lead-text {
                font-size: 18px;
            }

            .btn-secondary-custom {
                margin-left: 0;
                margin-top: 15px;
            }

            .section-title {
                font-size: 32px;
            }

            .ai-feature-card {
                padding: 35px 25px;
            }

            .demo-card {
                padding: 40px 25px;
            }

            .testimonial-slide {
                padding: 40px 25px;
            }

            .testimonial-text {
                font-size: 18px;
            }

            .cta-section h2 {
                font-size: 36px;
            }

            .cta-section p {
                font-size: 18px;
            }
        }