:root {
            --brand-yellow: #FFD700;
            --brand-white: #FFFFFF;
            --brand-black: #000000;
        }

        body {
            font-family: 'Montserrat', sans-serif;
            background-color: var(--brand-white);
            color: var(--brand-black);
            overflow-x: hidden;
        }

        h1, h2, h3, .lexend {
            font-family: 'Lexend', sans-serif;
        }

        /* Marquee Animation */
        .marquee-container {
            background: var(--brand-white);
            border-top: 2px solid var(--brand-black);
            border-bottom: 2px solid var(--brand-black);
            overflow: hidden;
            white-space: nowrap;
            padding: 15px 0;
        }

        .marquee-content {
            display: inline-block;
            animation: marquee 20s linear infinite;
            font-weight: 900;
            text-transform: uppercase;
            font-family: 'Lexend';
            font-size: 1.5rem;
        }

        @keyframes marquee {
            0% { transform: translateX(0); }
            100% { transform: translateX(-50%); }
        }

        /* Buttons */
        .btn-study {
            padding: 12px 30px;
            border: 2px solid var(--brand-black);
            font-weight: 600;
            text-transform: uppercase;
            transition: all 0.3s ease;
            display: inline-block;
            cursor: pointer;
            background: transparent;
        }

        .btn-study:hover {
            background: var(--brand-black);
            color: var(--brand-white);
            transform: translateY(-2px);
        }

        /* Section Split Layouts */
        .split-section {
            display: grid;
            grid-template-cols: 1fr;
            min-height: 70vh;
        }

        @media (min-width: 1024px) {
            .split-section { grid-template-cols: 1fr 1fr; }
        }




        .modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.85);
    z-index: 9999;
    display: none;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.modal-body {
    background: white;
    border: 4px solid var(--brand-black);
    width: 100%;
    max-width: 900px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
}

        /* Page Routing */
        .page { display: none; }
        .page.active { display: block; }

        /* Modal */
        .modal-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0,0,0,0.85);
            z-index: 9999;
            display: none;
            justify-content: center;
            align-items: center;
            padding: 20px;
        }

        .modal-body {
            background: white;
            border: 4px solid var(--brand-black);
            width: 100%;
            max-width: 900px;
            max-height: 90vh;
            overflow-y: auto;
            position: relative;
        }

        .reveal-text {
            clip-path: polygon(0 0, 100% 0, 100% 100%, 0% 100%);
        }