/* 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-students {
            position: relative;
            min-height: 100vh;
            background: linear-gradient(135deg, #d1ecfd 0%, #dfe7fd 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-students 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-students .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-fun {
            background: linear-gradient(135deg, #e29578 0%, #fad2e1 100%);
            color: var(--color-gray-900);
            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);
            color: white;
        }

        .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);
        }

        /* Features Grid */
        .features-section {
            background: white;
            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;
        }

        .feature-card-student {
            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 #e4e7ec;
            cursor: pointer;
            transform-style: preserve-3d;
            height: 100%;
        }

        .feature-card-student::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(0, 109, 119, 0.1) 0%, transparent 70%);
            transform: scale(0);
            transition: transform 0.6s ease;
        }

        .feature-card-student:hover::before {
            transform: scale(1);
        }

        .feature-card-student:hover {
            transform: translateY(-15px) rotateX(5deg);
            box-shadow: 0 40px 80px rgba(0, 0, 0, 0.15);
            border-color: var(--color-primary);
        }

        .feature-icon-student {
            width: 90px;
            height: 90px;
            background: linear-gradient(135deg, #d1ecfd 0%, #bee1e6 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;
        }

        .feature-card-student:hover .feature-icon-student {
            transform: scale(1.15) rotate(-5deg);
            background: linear-gradient(135deg, var(--color-primary) 0%, #004b52 100%);
        }

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

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

        .feature-tag {
            display: inline-block;
            background: rgba(0, 109, 119, 0.1);
            color: var(--color-primary);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            margin-right: 8px;
            margin-top: 10px;
        }

        /* Interactive Learning Section */
        .interactive-section {
            background: linear-gradient(135deg, #fff3ea 0%, #fde2e4 100%);
            padding: 100px 0;
            position: relative;
            overflow: hidden;
        }

        .interactive-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml,<svg width="80" height="80" xmlns="http://www.w3.org/2000/svg"><polygon points="40,10 70,70 10,70" fill="rgba(0,109,119,0.05)"/></svg>');
            animation: patternMove 25s linear infinite;
        }

        @keyframes patternMove {
            0% { transform: translate(0, 0); }
            100% { transform: translate(80px, 80px); }
        }

        .interactive-card {
            background: white;
            border-radius: 24px;
            padding: 50px;
            position: relative;
            z-index: 2;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
            transition: all 0.4s ease;
        }

        .interactive-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 30px 80px rgba(0, 0, 0, 0.15);
        }

        .interactive-visual {
            background: linear-gradient(135deg, #afeae4 0%, #83c5be 100%);
            border-radius: 16px;
            padding: 40px;
            min-height: 350px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 30px;
            position: relative;
            overflow: hidden;
        }

        .interactive-visual::after {
            content: '';
            position: absolute;
            top: 20%;
            left: 10%;
            width: 150px;
            height: 150px;
            background: radial-gradient(circle, rgba(255,255,255,0.3) 0%, transparent 70%);
            border-radius: 50%;
            animation: pulse 4s ease-in-out infinite;
        }

        @keyframes pulse {
            0%, 100% { transform: scale(1); opacity: 0.5; }
            50% { transform: scale(1.2); opacity: 0.8; }
        }

        /* Progress Dashboard */
        .progress-section {
            background: linear-gradient(180deg, white 0%, #f2f4f7 100%);
            padding: 100px 0;
        }

        .progress-card {
            background: white;
            border-radius: 20px;
            padding: 40px;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
            margin-bottom: 30px;
            transition: all 0.3s ease;
        }

        .progress-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.12);
        }

        .progress-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 25px;
        }

        .progress-subject {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-gray-900);
        }

        .progress-percentage {
            font-size: 32px;
            font-weight: 900;
            background: linear-gradient(135deg, var(--color-primary) 0%, #83c5be 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .progress-bar-container {
            background: #f2f4f7;
            height: 12px;
            border-radius: 20px;
            overflow: hidden;
            margin-bottom: 20px;
            position: relative;
        }

        .progress-bar-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--color-primary) 0%, #83c5be 100%);
            border-radius: 20px;
            transition: width 1.5s ease-out;
            position: relative;
            overflow: hidden;
        }

        .progress-bar-fill::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
            animation: shimmer 2s infinite;
        }

        @keyframes shimmer {
            0% { transform: translateX(-100%); }
            100% { transform: translateX(100%); }
        }

        .progress-stats {
            display: flex;
            gap: 30px;
            flex-wrap: wrap;
        }

        .stat-item {
            flex: 1;
            min-width: 150px;
        }

        .stat-label {
            font-size: 13px;
            color: var(--color-gray-500);
            margin-bottom: 5px;
        }

        .stat-value {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-gray-900);
        }

        /* Gamification Section */
        .gamification-section {
            background: linear-gradient(135deg, #ddd3fa 0%, #fad2e1 100%);
            padding: 100px 0;
            position: relative;
            overflow: hidden;
        }

        .gamification-section::before {
            content: '⭐';
            position: absolute;
            font-size: 200px;
            opacity: 0.1;
            top: 10%;
            right: 5%;
            animation: rotate 20s linear infinite;
        }

        .gamification-section::after {
            content: '🏆';
            position: absolute;
            font-size: 150px;
            opacity: 0.1;
            bottom: 10%;
            left: 5%;
            animation: float 8s ease-in-out infinite;
        }

        @keyframes rotate {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        .achievement-card {
            background: white;
            border-radius: 20px;
            padding: 40px 30px;
            text-align: center;
            box-shadow: 0 15px 50px rgba(0, 0, 0, 0.1);
            transition: all 0.4s ease;
            position: relative;
            z-index: 2;
            height: 100%;
        }

        .achievement-card:hover {
            transform: translateY(-15px) scale(1.05);
            box-shadow: 0 25px 70px rgba(0, 0, 0, 0.15);
        }

        .achievement-icon {
            font-size: 72px;
            margin-bottom: 20px;
            display: block;
            animation: bounce 2s ease-in-out infinite;
        }

        @keyframes bounce {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-15px); }
        }

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

        .achievement-card p {
            font-size: 15px;
            line-height: 1.7;
            color: var(--color-gray-500);
        }

        .points-badge {
            display: inline-block;
            background: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%);
            color: var(--color-gray-900);
            padding: 8px 20px;
            border-radius: 20px;
            font-weight: 700;
            margin-top: 15px;
            box-shadow: 0 5px 15px rgba(255, 215, 0, 0.4);
        }

        /* Testimonials */
        .testimonials-students {
            background: white;
            padding: 100px 0;
        }

        .testimonial-card-student {
            background: linear-gradient(135deg, #bee1e6 0%, #afeae4 100%);
            border-radius: 24px;
            padding: 40px 35px;
            margin-bottom: 30px;
            position: relative;
            transition: all 0.4s ease;
            height: 100%;
        }

        .testimonial-card-student:hover {
            transform: translateY(-10px) rotateZ(2deg);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
        }

        .student-avatar {
            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: 36px;
            margin-bottom: 20px;
            border: 4px solid white;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
        }

        .testimonial-text-student {
            font-size: 17px;
            line-height: 1.7;
            color: var(--color-gray-900);
            margin-bottom: 20px;
            font-style: italic;
        }

        .student-name {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-gray-900);
            margin-bottom: 5px;
        }

        .student-info {
            font-size: 14px;
            color: var(--color-gray-500);
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary) 0%, #004b52 100%);
            padding: 100px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
            border-radius: 50%;
            animation: float 12s ease-in-out infinite;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40%;
            right: -15%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%);
            border-radius: 50%;
            animation: float 15s ease-in-out infinite reverse;
        }

        @keyframes float {
            0%, 100% { transform: translate(0, 0); }
            50% { transform: translate(40px, -40px); }
        }

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

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

        .cta-section p {
            font-size: 22px;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 40px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-cta-white {
            background: white;
            color: var(--color-primary);
            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(255, 255, 255, 0.3);
        }

        .btn-cta-white:hover {
            background: #afeae4;
            color: var(--color-gray-900);
            transform: translateY(-5px) scale(1.05);
            box-shadow: 0 20px 50px rgba(255, 255, 255, 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-students h1 {
                font-size: 48px;
            }

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

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

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

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

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

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

            .interactive-card {
                padding: 30px 20px;
            }

            .progress-card {
                padding: 25px 20px;
            }

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

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

            .progress-stats {
                gap: 15px;
            }
        }