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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
        }

        header {
            background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

        header.scrolled {
            padding: 0.5rem 0;
        }

        .header-content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo h1 {
            font-size: 1.8rem;
            font-weight: bold;
        }

        .logo p {
            font-size: 0.9rem;
            opacity: 0.9;
        }

        nav ul {
            list-style: none;
            display: flex;
            gap: 2rem;
        }

        nav a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            transition: opacity 0.3s;
        }

        /* Mobile Nav Toggle */
        .nav-toggle {
            display: none;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 1rem;
        }

        .hamburger {
            display: block;
            position: relative;
        }

        .hamburger, .hamburger::before, .hamburger::after {
            background: white;
            width: 2em;
            height: 3px;
            border-radius: 1em;
            transition: transform 250ms ease-in-out, opacity 250ms linear;
        }

        .hamburger::before, .hamburger::after {
            content: '';
            position: absolute;
            left: 0;
            right: 0;
        }

        .hamburger::before { top: -10px; }
        .hamburger::after { bottom: -10px; }

        /* Back to Top Button */
        #backToTop {
            position: fixed;
            bottom: 20px;
            right: 20px;
            display: none;
            background: #ff6b35;
            color: white;
            border: none;
            border-radius: 50%;
            width: 50px;
            height: 50px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            font-size: 20px;
            z-index: 1001;
            box-shadow: 0 4px 10px rgba(0,0,0,0.3);
            transition: opacity 0.3s, visibility 0.3s;
        }

        #backToTop.visible {
            display: flex;
        }

        /* WhatsApp Floating Button */
        .whatsapp-float {
            position: fixed;
            bottom: 20px;
            left: 20px;
            background-color: #25d366;
            color: white;
            width: 60px;
            height: 60px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 1001;
            box-shadow: 0 4px 10px rgba(0,0,0,0.3);
            transition: transform 0.3s ease;
        }

        .whatsapp-float:hover {
            transform: scale(1.1);
        }

        .whatsapp-icon {
            width: 35px;
            height: 35px;
        }

        nav a:hover {
            opacity: 0.8;
        }

        /* Scroll Reveal Base Classes */
        .reveal {
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.8s ease-out;
        }

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

        .hero {
            background: linear-gradient(rgba(30, 60, 114, 0.8), rgba(30, 60, 114, 0.8)), 
                        url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><rect fill="%23f0f4f8" width="1200" height="600"/><path fill="%231e3c72" opacity="0.1" d="M0 300L50 283.3C100 266.7 200 233.3 300 233.3C400 233.3 500 266.7 600 283.3C700 300 800 300 900 283.3C1000 266.7 1100 233.3 1150 216.7L1200 200V600H1150C1100 600 1000 600 900 600C800 600 700 600 600 600C500 600 400 600 300 600C200 600 100 600 50 600H0V300Z"/></svg>');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 6rem 2rem;
            text-align: center;
        }

        .hero h2 {
            font-size: 3rem;
            margin-bottom: 1rem;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }

        .hero p {
            font-size: 1.3rem;
            margin-bottom: 2rem;
            text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
        }

        .cta-button {
            display: inline-block;
            background: #ff6b35;
            color: white;
            padding: 1rem 2.5rem;
            text-decoration: none;
            border-radius: 50px;
            font-weight: bold;
            transition: transform 0.3s, box-shadow 0.3s;
        }

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 4rem 2rem;
        }

        .section-title {
            text-align: center;
            font-size: 2.5rem;
            margin-bottom: 3rem;
            color: #1e3c72;
        }

        .about {
            background: #f8f9fa;
        }

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

        .about-text h3 {
            color: #1e3c72;
            margin-bottom: 1rem;
            font-size: 1.8rem;
        }

        .about-text p {
            margin-bottom: 1rem;
            line-height: 1.8;
        }

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

        .feature-card {
            background: white;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            transition: transform 0.3s;
            text-align: center;
        }

        .feature-card:hover {
            transform: translateY(-10px);
        }

        .feature-icon {
            font-size: 3rem;
            margin-bottom: 1rem;
        }

        .feature-card h3 {
            color: #1e3c72;
            margin-bottom: 1rem;
        }

        .programs {
            background: #fff;
        }

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

        .program-card {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 2rem;
            border-radius: 10px;
            text-align: center;
        }

        .program-card h3 {
            margin-bottom: 1rem;
            font-size: 1.5rem;
        }

        .admissions {
            background: #f8f9fa;
        }

        .admission-info {
            background: white;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }

        .admission-info h3 {
            color: #1e3c72;
            margin-bottom: 1rem;
        }

        .admission-info ul {
            list-style-position: inside;
            margin-bottom: 1rem;
        }

        .admission-info li {
            padding: 0.5rem 0;
        }

        .contact {
            background: #1e3c72;
            color: white;
        }

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

        .contact-item {
            text-align: center;
        }

        .contact-item h3 {
            margin-bottom: 1rem;
        }

        footer {
            background: #0f1e3a;
            color: white;
            text-align: center;
            padding: 2rem;
        }

        .contact-link {
            color: white;
            text-decoration: none;
        }

        .contact-form-container {
            margin-top: 3rem;
            max-width: 600px;
            margin: 3rem auto 0;
        }

        .contact-form {
            background: white;
            padding: 2.5rem;
            border-radius: 10px;
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
        }

        .contact-form input, .contact-form textarea {
            padding: 1rem;
            border: 1px solid #ddd;
            border-radius: 5px;
            font-family: inherit;
            font-size: 1rem;
            width: 100%;
        }

        .contact-form input.valid, .contact-form textarea.valid {
            border-color: #2ecc71;
            background-color: #fafffa;
        }

        .contact-form input.invalid, .contact-form textarea.invalid {
            border-color: #ff6b35;
            background-color: #fffafa;
        }

        .contact-form textarea {
            height: 120px;
            resize: vertical;
        }

        .form-response {
            margin-top: 1.5rem;
            text-align: center;
            font-weight: 600;
            display: none;
        }

        .social-links {
            display: flex;
            justify-content: center;
            gap: 1.5rem;
            margin-bottom: 1rem;
        }

        .social-link {
            color: white;
            transition: transform 0.3s, opacity 0.3s;
        }

        .social-link:hover {
            transform: translateY(-3px);
            opacity: 0.8;
        }

        @media (max-width: 768px) {
            .header-content {
                flex-direction: column;
                gap: 1rem;
            }
            
            .nav-toggle {
                display: block;
                position: absolute;
                right: 1rem;
                top: 1rem;
            }

            nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                text-align: center;
                padding-bottom: 1rem;
            }

            nav.active ul {
                display: flex;
            }

            .nav-open .hamburger {
                transform: rotate(45deg);
            }

            .nav-open .hamburger::before {
                opacity: 0;
            }

            .nav-open .hamburger::after {
                transform: rotate(90deg) translate(0px);
                bottom: 0;
            }

            .hero h2 {
                font-size: 2rem;
            }

            .hero p {
                font-size: 1rem;
            }

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