:root {
            --white: #FFFFFF;
            --black: #000000;
            --light-green: #90EE90;
            --accent: #FF6B6B;
            --gray-light: #f5f5f5;
            --gray: #777;
            --shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
            --border: 1px solid rgba(255, 255, 255, 0.5);
        }

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

        body {
            font-family: 'Inter', sans-serif;
            color: var(--black);
            background-color: var(--white);
            line-height: 1.6;
            overflow-x: hidden;
        }

        h1, h2, h3, h4, h5 {
            font-family: 'Poppins', sans-serif;
            font-weight: 700;
            margin-bottom: 1rem;
        }

        .mono {
            font-family: 'Roboto Mono', monospace;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
        }

        section {
            padding: 5rem 0;
        }

        .btn {
            display: inline-block;
            padding: 0.8rem 1.8rem;
            border-radius: 4px;
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s ease;
            cursor: pointer;
            font-family: 'Poppins', sans-serif;
        }

        .btn-primary {
            background-color: var(--light-green);
            color: var(--black);
            border: 2px solid var(--light-green);
        }

        .btn-primary:hover {
            background-color: transparent;
            color: var(--black);
            border: 2px solid var(--light-green);
        }

        .btn-secondary {
            background-color: transparent;
            color: var(--black);
            border: 2px solid var(--black);
        }

        .btn-secondary:hover {
            background-color: var(--black);
            color: var(--white);
        }

        .card {
            background: rgba(255, 255, 255, 0.8);
            backdrop-filter: blur(10px);
            border-radius: 12px;
            padding: 2rem;
            box-shadow: var(--shadow);
            border: var(--border);
            transition: transform 0.3s ease;
        }

        .card:hover {
            transform: translateY(-5px);
        }

        /* Header & Navigation */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            padding: 1rem 0;
            border-bottom: 1px solid rgba(0, 0, 0, 0.1);
        }

        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            font-family: 'Poppins', sans-serif;
            font-weight: 700;
            font-size: 1.5rem;
            color: var(--black);
            text-decoration: none;
        }

        .logo span {
            color: var(--light-green);
        }

        .nav-links {
            display: flex;
            list-style: none;
        }

        .nav-links li {
            margin-left: 2rem;
        }

        .nav-links a {
            text-decoration: none;
            color: var(--black);
            font-weight: 500;
            transition: color 0.3s ease;
        }

        .nav-links a:hover {
            color: var(--light-green);
        }

        .menu-toggle {
            display: none;
            cursor: pointer;
        }

        /* Hero Section */
        .hero {
            height: 100vh;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
            background: linear-gradient(135deg, rgba(144, 238, 144, 0.1) 0%, rgba(255, 255, 255, 0.2) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 700px;
        }

        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }

        .hero p {
            font-size: 1.2rem;
            margin-bottom: 2rem;
            color: var(--gray);
        }

        .hero-btns .btn {
            margin-right: 1rem;
            margin-bottom: 1rem;
        }

        .hero-animation {
            position: absolute;
            top: 0;
            right: 0;
            width: 50%;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .robot-arm {
            width: 300px;
            height: 300px;
            position: relative;
        }

        .robot-base {
            width: 100px;
            height: 20px;
            background: var(--black);
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            border-radius: 4px 4px 0 0;
        }

        .robot-segment {
            position: absolute;
            background: var(--light-green);
            border: 2px solid var(--black);
        }

        .segment-1 {
            width: 20px;
            height: 120px;
            bottom: 20px;
            left: 50%;
            transform: translateX(-50%);
            transform-origin: bottom center;
            animation: arm-move-1 4s infinite alternate;
        }

        .segment-2 {
            width: 20px;
            height: 100px;
            bottom: 140px;
            left: 50%;
            transform: translateX(-50%) rotate(30deg);
            transform-origin: bottom center;
            animation: arm-move-2 4s infinite alternate;
        }

        .segment-3 {
            width: 15px;
            height: 80px;
            bottom: 235px;
            left: 50%;
            transform: translateX(-50%) rotate(-15deg);
            transform-origin: bottom center;
            animation: arm-move-3 4s infinite alternate;
        }

        .gripper {
            position: absolute;
            width: 30px;
            height: 20px;
            background: var(--accent);
            bottom: 315px;
            left: 50%;
            transform: translateX(-50%);
            border-radius: 0 0 4px 4px;
            animation: gripper-move 4s infinite alternate;
        }

        @keyframes arm-move-1 {
            0%, 100% { transform: translateX(-50%) rotate(-10deg); }
            50% { transform: translateX(-50%) rotate(10deg); }
        }

        @keyframes arm-move-2 {
            0%, 100% { transform: translateX(-50%) rotate(40deg); }
            50% { transform: translateX(-50%) rotate(20deg); }
        }

        @keyframes arm-move-3 {
            0%, 100% { transform: translateX(-50%) rotate(-25deg); }
            50% { transform: translateX(-50%) rotate(5deg); }
        }

        @keyframes gripper-move {
            0%, 100% { height: 20px; }
            50% { height: 30px; }
        }

        /* Programs Section */
        .section-title {
            text-align: center;
            margin-bottom: 3rem;
        }

        .section-title h2 {
            font-size: 2.5rem;
            display: inline-block;
            position: relative;
        }

        .section-title h2:after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: var(--light-green);
        }

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

        .program-card {
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .program-card h3 {
            color: var(--black);
            margin-bottom: 0.5rem;
        }

        .program-card .age-group {
            color: var(--gray);
            margin-bottom: 1rem;
            font-size: 0.9rem;
        }

        .program-card .price {
            font-family: 'Poppins', sans-serif;
            font-weight: 700;
            font-size: 1.5rem;
            color: var(--accent);
            margin: 1rem 0;
        }

        .program-features {
            list-style: none;
            margin: 1rem 0;
            flex-grow: 1;
        }

        .program-features li {
            margin-bottom: 0.5rem;
            display: flex;
            align-items: center;
        }

        .program-features li:before {
            content: '✓';
            color: var(--light-green);
            font-weight: bold;
            margin-right: 0.5rem;
        }

        .brochure-download {
            text-align: center;
            margin-top: 3rem;
        }

        /* About & Achievements */
        .about-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }

        .mission-statement {
            margin-bottom: 2rem;
        }

        .achievements {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
            margin-top: 2rem;
        }

        .achievement-card {
            text-align: center;
            padding: 1.5rem;
        }

        .achievement-card i {
            font-size: 2.5rem;
            color: var(--light-green);
            margin-bottom: 1rem;
        }

        .counter {
            font-size: 2.5rem;
            font-weight: 700;
            font-family: 'Poppins', sans-serif;
            color: var(--black);
            margin-bottom: 0.5rem;
        }

        .achievement-card p {
            color: var(--gray);
        }

        /* Events Section */
        .events-tabs {
            display: flex;
            justify-content: center;
            margin-bottom: 2rem;
        }

        .tab-btn {
            padding: 0.8rem 1.5rem;
            background: transparent;
            border: none;
            font-family: 'Poppins', sans-serif;
            font-weight: 500;
            font-size: 1rem;
            cursor: pointer;
            border-bottom: 3px solid transparent;
            transition: all 0.3s ease;
        }

        .tab-btn.active {
            border-bottom: 3px solid var(--light-green);
            color: var(--black);
        }

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

        .event-card {
            position: relative;
            overflow: hidden;
            height: 100%;
        }

        .event-date {
            position: absolute;
            top: 1rem;
            left: 1rem;
            background: var(--accent);
            color: white;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            font-weight: 500;
            z-index: 2;
        }

        .event-image {
            height: 200px;
            background-color: var(--gray-light);
            background-size: cover;
            background-position: center;
            border-radius: 8px 8px 0 0;
        }

        .event-details {
            padding: 1.5rem;
        }

        .event-details h3 {
            margin-bottom: 0.5rem;
        }

        .event-details p {
            color: var(--gray);
            margin-bottom: 1rem;
        }

        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.8);
            z-index: 2000;
            overflow-y: auto;
            padding: 2rem;
        }

        .modal-content {
            background: var(--white);
            max-width: 800px;
            margin: 2rem auto;
            padding: 2rem;
            border-radius: 12px;
            position: relative;
        }

        .close-modal {
            position: absolute;
            top: 1rem;
            right: 1rem;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--gray);
        }

        /* Partners Section */
        .partners-slider {
            display: flex;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
            gap: 3rem;
            margin: 2rem 0;
        }

        .partner-logo {
            filter: grayscale(100%);
            opacity: 0.7;
            transition: all 0.3s ease;
            max-width: 150px;
            height: 80px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .partner-logo:hover {
            filter: grayscale(0%);
            opacity: 1;
        }

        /* Testimonials */
        .testimonials-slider {
            max-width: 800px;
            margin: 0 auto;
            position: relative;
        }

        .testimonial-card {
            text-align: center;
            padding: 2rem;
        }

        .testimonial-avatar {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            margin: 0 auto 1rem;
            background-color: var(--gray-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            color: var(--gray);
        }

        .testimonial-quote {
            font-style: italic;
            margin-bottom: 1rem;
            position: relative;
        }

        .testimonial-quote:before,
        .testimonial-quote:after {
            content: '"';
            font-size: 2rem;
            color: var(--light-green);
            position: absolute;
        }

        .testimonial-quote:before {
            top: -1rem;
            left: -1.5rem;
        }

        .testimonial-quote:after {
            bottom: -2rem;
            right: -1.5rem;
        }

        .testimonial-author {
            font-weight: 500;
        }

        .testimonial-role {
            color: var(--gray);
            font-size: 0.9rem;
        }

        /* Footer */
        footer {
            background: var(--black);
            color: var(--white);
            padding: 4rem 0 2rem;
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }

        .footer-column h3 {
            color: var(--white);
            margin-bottom: 1.5rem;
            position: relative;
        }

        .footer-column h3:after {
            content: '';
            position: absolute;
            bottom: -0.5rem;
            left: 0;
            width: 40px;
            height: 3px;
            background: var(--light-green);
        }

        .footer-links {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 0.8rem;
        }

        .footer-links a {
            color: var(--gray-light);
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .footer-links a:hover {
            color: var(--light-green);
        }

        .social-links {
            display: flex;
            gap: 1rem;
            margin-top: 1rem;
        }

        .social-links a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            color: var(--white);
            transition: all 0.3s ease;
        }

        .social-links a:hover {
            background: var(--light-green);
            color: var(--black);
        }

        .newsletter-form {
            display: flex;
            margin-top: 1rem;
        }

        .newsletter-form input {
            flex-grow: 1;
            padding: 0.8rem;
            border: none;
            border-radius: 4px 0 0 4px;
            font-family: 'Inter', sans-serif;
        }

        .newsletter-form button {
            background: var(--light-green);
            color: var(--black);
            border: none;
            padding: 0 1rem;
            border-radius: 0 4px 4px 0;
            font-family: 'Poppins', sans-serif;
            font-weight: 500;
            cursor: pointer;
        }

        .copyright {
            text-align: center;
            margin-top: 3rem;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--gray);
            font-size: 0.9rem;
        }

        /* Responsive Styles */
        @media (max-width: 992px) {
            .hero h1 {
                font-size: 2.8rem;
            }
            
            .about-content {
                grid-template-columns: 1fr;
            }
            
            .hero-animation {
                display: none;
            }
        }

        @media (max-width: 768px) {
            .menu-toggle {
                display: block;
            }
            
            .nav-links {
                position: fixed;
                top: 70px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 70px);
                background: var(--white);
                flex-direction: column;
                align-items: center;
                justify-content: center;
                transition: all 0.3s ease;
            }
            
            .nav-links.active {
                left: 0;
            }
            
            .nav-links li {
                margin: 1.5rem 0;
            }
            
            .hero h1 {
                font-size: 2.3rem;
            }
            
            .section-title h2 {
                font-size: 2rem;
            }
            
            .achievements {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 576px) {
            .hero h1 {
                font-size: 2rem;
            }
            
            .hero-btns .btn {
                display: block;
                width: 100%;
                margin-right: 0;
                text-align: center;
            }
            
            .programs-grid,
            .events-grid {
                grid-template-columns: 1fr;
            }
        }